/* Thanh điều hướng — nền trắng, chữ đen, header gọn */
.cn247-service-nav {
    --cn247-sn-bg: #ffffff;
    --cn247-sn-bg-elevated: #f8fafc;
    --cn247-sn-border: #e2e8f0;
    --cn247-sn-text: #000000;
    --cn247-sn-muted: #64748b;
    --cn247-sn-hover: rgba(15, 23, 42, 0.06);
    --cn247-sn-active: rgba(37, 99, 235, 0.12);
    --cn247-sn-tech: #2563eb;
    --cn247-sn-tech2: #0891b2;
    --cn247-sn-tech3: #0369a1;
}

.cn247-service-nav .cn247-sn-navbar {
    background: var(--cn247-sn-bg) !important;
    border-bottom: 1px solid var(--cn247-sn-border) !important;
    box-shadow: 0 1px 12px rgba(15, 23, 42, 0.06);
    padding: 0.2rem 0 !important;
    min-height: 0;
    align-items: center !important;
    z-index: 1030;
}

.cn247-service-nav .cn247-sn-navbar > .container {
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.35rem;
}

.cn247-service-nav .navbar-brand {
    font-weight: 700 !important;
    color: var(--cn247-sn-text) !important;
    font-size: 1rem !important;
}

.cn247-service-nav .navbar-brand.cn247-sn-brand-logo {
    display: inline-flex !important;
    align-items: center;
    flex-shrink: 1 !important;
    flex-grow: 0;
    flex-wrap: nowrap;
    gap: 0.35rem;
    min-width: 0;
    max-width: calc(100% - 3.25rem);
    padding-top: 0;
    padding-bottom: 0;
    margin-right: 0.25rem;
    text-decoration: none !important;
}

/* Ảnh logo: Bootstrap img { max-width:100%; height:auto } làm logo dọc phình toàn màn hình — bắt buộc khối cố định */
.cn247-service-nav .cn247-sn-logo-img {
    display: block;
    box-sizing: border-box;
    width: auto !important;
    height: 34px !important;
    max-height: 34px !important;
    max-width: min(120px, 32vw) !important;
    object-fit: contain;
    object-position: left center;
    background: transparent !important;
    background-color: transparent !important;
    flex: 0 0 auto;
}

@media (min-width: 400px) {
    .cn247-service-nav .cn247-sn-logo-img {
        height: 36px !important;
        max-height: 36px !important;
        max-width: min(160px, 40vw) !important;
    }
}

@media (min-width: 576px) {
    .cn247-service-nav .navbar-brand.cn247-sn-brand-logo {
        max-width: calc(100% - 3.5rem);
        gap: 0.45rem;
    }
    .cn247-service-nav .cn247-sn-logo-img {
        height: 40px !important;
        max-height: 40px !important;
        max-width: min(220px, 48vw) !important;
    }
}

@media (min-width: 992px) {
    .cn247-service-nav .navbar-brand.cn247-sn-brand-logo {
        flex-shrink: 0 !important;
        max-width: none;
        margin-right: 0.5rem;
        gap: 0.5rem;
    }
    .cn247-service-nav .cn247-sn-logo-img {
        height: 44px !important;
        max-height: 44px !important;
        max-width: min(320px, 28vw) !important;
    }
}

/* Chữ kèm logo — gradient xanh công nghệ, “247” lớn hơn */
.cn247-service-nav .cn247-sn-wordmark {
    display: inline-flex;
    align-items: baseline;
    gap: 0.2rem;
    min-width: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    letter-spacing: -0.03em;
    white-space: nowrap;
    flex-shrink: 1;
}

.cn247-service-nav .cn247-sn-wordmark-title {
    font-size: clamp(0.72rem, 3.2vw, 1.25rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--cn247-sn-tech3) 0%, var(--cn247-sn-tech) 50%, var(--cn247-sn-tech2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.cn247-service-nav .cn247-sn-wordmark-num {
    font-size: clamp(0.88rem, 4.5vw, 1.85rem);
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 1;
    background: linear-gradient(125deg, #1e40af 0%, #2563eb 38%, #0ea5e9 72%, #06b6d4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

@media (min-width: 992px) {
    .cn247-service-nav .cn247-sn-wordmark {
        gap: 0.35rem;
    }
    .cn247-service-nav .cn247-sn-wordmark-title {
        font-size: clamp(0.95rem, 2.6vw, 1.25rem);
    }
    .cn247-service-nav .cn247-sn-wordmark-num {
        font-size: clamp(1.2rem, 3.8vw, 1.85rem);
    }
}

.cn247-service-nav .navbar-brand.cn247-sn-brand-logo:hover .cn247-sn-wordmark-title,
.cn247-service-nav .navbar-brand.cn247-sn-brand-logo:hover .cn247-sn-wordmark-num {
    filter: brightness(1.06);
}

/* Mũi tên submenu trên desktop (Bootstrap .dropdown-toggle::after) */
.cn247-service-nav .cn247-sn-navbar .dropdown-toggle::after {
    vertical-align: 0.15em;
    margin-left: 0.35em;
}

.cn247-service-nav .cn247-sn-navbar .nav-link {
    color: #000000 !important;
    font-weight: 600 !important;
    font-size: 0.875rem !important;
    border-radius: 6px !important;
    padding: 0.28rem 0.5rem !important;
    white-space: nowrap;
}

.cn247-service-nav .cn247-sn-navbar .nav-link:hover {
    background: var(--cn247-sn-hover) !important;
    color: #000000 !important;
}

.cn247-service-nav .cn247-sn-navbar .nav-link.active {
    background: var(--cn247-sn-active) !important;
    color: #1d4ed8 !important;
}

.cn247-service-nav .navbar-toggler {
    border: 1px solid var(--cn247-sn-border) !important;
    padding: 0.3rem 0.45rem !important;
    flex-shrink: 0;
    margin-left: auto;
}

.cn247-service-nav .cn247-sn-hotline {
    display: inline-flex;
    align-items: center;
    gap: 0.44rem;
    margin-left: 0.9rem;
    margin-right: 0.35rem;
    text-decoration: none;
    white-space: nowrap;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    border: 1px solid rgba(37, 99, 235, 0.28);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.16);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.cn247-service-nav .cn247-sn-hotline i,
.cn247-service-nav .cn247-sn-hotline span {
    display: inline-block !important;
}

.cn247-service-nav .cn247-sn-hotline i {
    color: #2563eb;
    font-size: 0.74rem;
    filter: drop-shadow(0 1px 2px rgba(37,99,235,.35));
}

.cn247-service-nav .cn247-sn-hotline span {
    font-weight: 800;
    font-size: 0.82rem;
    letter-spacing: .01em;
    line-height: 1;
    background: linear-gradient(125deg, #1d4ed8 0%, #2563eb 40%, #0ea5e9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.cn247-service-nav .cn247-sn-hotline:hover {
    transform: translateY(-1px);
    border-color: rgba(37, 99, 235, 0.45);
    box-shadow: 0 8px 22px rgba(37, 99, 235, 0.24);
}

@media (min-width: 992px) {
    .cn247-service-nav .cn247-sn-hotline {
        margin-left: 0.8rem;
        padding: 0.42rem 0.95rem;
        gap: 0.52rem;
    }
    .cn247-service-nav .cn247-sn-hotline i {
        font-size: 1.02rem;
    }
    .cn247-service-nav .cn247-sn-hotline span {
        font-size: 1.22rem;
    }
}

@media (max-width: 991.98px) {
    .cn247-service-nav .cn247-sn-navbar > .container {
        position: relative;
    }
    .cn247-service-nav .navbar-brand.cn247-sn-brand-logo {
        max-width: calc(100% - 8.45rem);
        margin-right: 0;
    }
    .cn247-service-nav .cn247-sn-logo-img {
        height: 37px !important;
        max-height: 37px !important;
        max-width: min(138px, 40vw) !important;
    }
    .cn247-service-nav .cn247-sn-hotline {
        position: absolute;
        right: 3.65rem;
        top: 50%;
        transform: translateY(-50%);
        margin: 0;
        padding: 0.14rem 0.36rem;
        gap: 0.22rem;
        z-index: 1;
    }
    .cn247-service-nav .cn247-sn-hotline i {
        font-size: 0.56rem;
    }
    .cn247-service-nav .cn247-sn-hotline span {
        font-size: 0.62rem;
    }
}

.cn247-service-nav .navbar-toggler:focus {
    box-shadow: 0 0 0 0.15rem rgba(37, 99, 235, 0.2);
}

.cn247-service-nav .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280,0,0,0.92%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.cn247-service-nav .cn247-sn-dropdown.dropdown-menu {
    background: var(--cn247-sn-bg);
    border: 1px solid var(--cn247-sn-border);
    box-shadow: 0 10px 32px rgba(15, 23, 42, 0.12);
    border-radius: 8px;
    padding: 0.3rem 0;
    min-width: 11rem;
    margin-top: 0.25rem !important;
}

.cn247-service-nav .cn247-sn-dropdown .dropdown-item {
    padding: 0.4rem 0.85rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #000000;
}

.cn247-service-nav .cn247-sn-dropdown .dropdown-item:hover,
.cn247-service-nav .cn247-sn-dropdown .dropdown-item:focus {
    background: var(--cn247-sn-bg-elevated);
    color: #000000;
}

.cn247-service-nav .cn247-sn-dropdown .dropdown-divider {
    border-color: var(--cn247-sn-border);
}

.cn247-service-nav .cn247-sn-logout-item {
    color: #b91c1c !important;
}

.cn247-service-nav .cn247-sn-logout-item:hover {
    background: rgba(239, 68, 68, 0.08) !important;
    color: #991b1b !important;
}

.cn247-service-nav .cn247-sn-user-toggle {
    color: #000000 !important;
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    padding: 0.28rem 0.5rem !important;
}

.cn247-service-nav .cn247-sn-user-toggle:hover {
    color: #000000 !important;
}

@media (max-width: 991.98px) {
    .cn247-service-nav .cn247-sn-navbar .navbar-collapse {
        display: none !important;
    }
}

/* Drawer mobile — sáng, gọn */
.cn247-service-nav .cn247-sn-mobile-menu {
    position: fixed !important;
    top: 0 !important;
    left: -100% !important;
    width: 86% !important;
    max-width: 300px !important;
    height: 100vh !important;
    background: var(--cn247-sn-bg) !important;
    color: var(--cn247-sn-text) !important;
    z-index: 10001 !important;
    transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important;
    padding: 1rem 1rem 1.5rem !important;
    box-shadow: 8px 0 32px rgba(15, 23, 42, 0.12) !important;
    overflow-y: auto !important;
    border-right: 1px solid var(--cn247-sn-border) !important;
}

.cn247-service-nav .cn247-sn-mobile-menu.cn247-sn-open {
    left: 0 !important;
}

.cn247-service-nav .cn247-sn-mobile-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.65rem;
    margin-bottom: 1rem;
    padding: 0.5rem 0.5rem 0.75rem;
    border-bottom: 1px solid var(--cn247-sn-border);
    overflow: hidden;
    border-radius: 10px;
    background: var(--cn247-sn-bg-elevated) !important;
    background-image: none !important;
}

/* Nếu còn markup cũ (<h3>Menu</h3>) thì ẩn đi */
.cn247-service-nav .cn247-sn-mobile-head h3 {
    display: none !important;
}

/* Chặn triệt để ảnh/logo cũ trong đầu menu mobile (nếu còn cache markup cũ). */
.cn247-service-nav .cn247-sn-mobile-head img,
.cn247-service-nav .cn247-sn-mobile-logo {
    display: none !important;
}

.cn247-service-nav .cn247-sn-mobile-balance-top {
    margin-top: 0.18rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: #1d4ed8;
}

.cn247-service-nav .cn247-sn-mobile-close {
    background: var(--cn247-sn-bg-elevated);
    border: 1px solid var(--cn247-sn-border);
    color: var(--cn247-sn-text);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.45rem;
    border-radius: 6px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.cn247-service-nav .cn247-sn-mobile-close:hover {
    background: var(--cn247-sn-hover);
}

.cn247-service-nav .cn247-sn-balance {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--cn247-sn-bg-elevated);
    border: 1px solid var(--cn247-sn-border);
    border-radius: 10px;
    padding: 0.65rem 0.85rem;
    margin-bottom: 0.85rem;
}

.cn247-service-nav .cn247-sn-mnav {
    list-style: none;
    padding: 0;
    margin: 0 0 0.85rem;
}

.cn247-service-nav .cn247-sn-mnav li {
    margin-bottom: 0.35rem;
}

.cn247-service-nav .cn247-sn-mnav .cn247-sn-mnav-item {
    margin-bottom: 0.5rem;
}

.cn247-service-nav .cn247-sn-mnav a {
    display: flex;
    align-items: center;
    padding: 0.65rem 0.85rem;
    border-radius: 8px;
    border: 1px solid var(--cn247-sn-border);
    background: var(--cn247-sn-bg-elevated);
    color: #000000;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s, border-color 0.2s;
}

.cn247-service-nav .cn247-sn-mnav a:hover {
    background: var(--cn247-sn-hover);
    border-color: #cbd5e1;
    color: #000000;
}

.cn247-service-nav .cn247-sn-mnav a.active {
    background: var(--cn247-sn-active);
    border-color: #93c5fd;
    color: #1d4ed8;
}

.cn247-service-nav .cn247-sn-submenu {
    list-style: none;
    padding: 0.3rem 0 0 0.65rem;
    margin: 0;
    display: none;
}

.cn247-service-nav .cn247-sn-submenu li {
    margin-bottom: 0.3rem;
}

.cn247-service-nav .cn247-sn-submenu a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.65rem;
    border: 1px dashed #cbd5e1;
    border-radius: 6px;
    background: #ffffff;
    color: #0a0a0a;
    font-weight: 600;
    font-size: 0.82rem;
    text-decoration: none;
}

.cn247-service-nav .cn247-sn-submenu a:hover,
.cn247-service-nav .cn247-sn-submenu a.active {
    background: var(--cn247-sn-bg-elevated);
    border-color: #94a3b8;
    color: #000000;
}

/* Icon thương hiệu — chỉ submenu Dịch vụ MXH (mobile) */
.cn247-service-nav .cn247-sn-submenu-mxh a i {
    width: 1.15rem;
    flex-shrink: 0;
    text-align: center;
    font-size: 0.95rem;
}

.cn247-service-nav .cn247-sn-submenu-mxh a i.cn247-brand-facebook {
    color: #1877f2;
}

.cn247-service-nav .cn247-sn-submenu-mxh a i.cn247-brand-telegram {
    color: #229ed9;
}

.cn247-service-nav .cn247-sn-submenu-mxh a i.cn247-brand-shopee {
    color: #ee4d2d;
}

.cn247-service-nav .cn247-sn-submenu-mxh a i.cn247-brand-youtube {
    color: #ff0000;
}

.cn247-service-nav .cn247-sn-submenu-mxh a i.cn247-brand-tiktok {
    color: #111827;
}

.cn247-service-nav .cn247-sn-submenu-mxh a i.cn247-brand-instagram {
    background: linear-gradient(45deg, #f58529 0%, #dd2a7b 50%, #8134af 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.cn247-service-nav .cn247-sn-has-submenu > a::after {
    content: "▼";
    margin-left: auto;
    font-size: 0.5rem;
    opacity: 0.55;
    transition: transform 0.2s ease;
}

.cn247-service-nav .cn247-sn-has-submenu.cn247-sn-submenu-open > a::after {
    transform: rotate(180deg);
}

.cn247-service-nav .cn247-sn-has-submenu.cn247-sn-submenu-open > .cn247-sn-submenu {
    display: block;
}

.cn247-service-nav .cn247-sn-mnav-muted {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--cn247-sn-muted);
    margin: 0.75rem 0 0.4rem;
    padding-left: 0.2rem;
}

.cn247-service-nav .cn247-sn-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s;
}

.cn247-service-nav .cn247-sn-overlay.cn247-sn-open {
    opacity: 1;
    visibility: visible;
}

.cn247-service-nav .cn247-sn-logout {
    color: #b91c1c !important;
}

.cn247-service-nav .cn247-sn-logout:hover {
    background: rgba(239, 68, 68, 0.08) !important;
    border-color: rgba(248, 113, 113, 0.45) !important;
    color: #991b1b !important;
}

@media (min-width: 992px) {
    .cn247-service-nav .navbar-expand-lg .navbar-collapse {
        display: flex !important;
        flex-basis: auto !important;
        height: auto !important;
        overflow: visible !important;
        visibility: visible !important;
    }
}