.ec-nav-container {
    width: 100%;
    background: #1c8ed6; 
    position: relative;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.ec-nav-center {
    position: relative;
}

.ec-nav-level1 {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
}
.ec-nav-level1__item {
    position: relative;
}
.ec-nav-level1__link {
    display: flex;
    align-items: center;
    padding: 0 22px;
    height: 56px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9); 
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.ec-nav-level1__item:hover .ec-nav-level1__link {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
}
.ec-nav-level1__item .ec-nav-level1__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #ffffff; 
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}
.ec-nav-level1__item:hover .ec-nav-level1__link::after {
    width: calc(100% - 24px);
}

.ec-icon--arrow-down {
    font-size: 11px;
    margin-left: 6px;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}
.ec-nav-level1__item:hover .ec-icon--arrow-down {
    color: #ffffff; 
    transform: rotate(180deg);
}


.ec-nav-dropdown-container {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    z-index: 999;
}


.ec-nav-dropdown {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    /*min-width: 1200px;*/
    max-width: 1200px;
    background-color: #ffffff;
    border: 1px solid #d0e8f8; 
    border-top: none;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 6px 20px rgba(28, 142, 214, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.ec-nav-level1__item:hover ~ .ec-nav-dropdown-container .ec-nav-dropdown,
.ec-nav-dropdown:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.ec-nav-dropdown__inner {
    padding: 28px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 30px 20px;
}

.ec-nav-category-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 10px;
    break-inside: avoid;
    position: relative;
    padding-left: 15px;
    border-left: 2px solid #e6f2fb; 
}


.ec-nav-level2 {
    margin-bottom: 12px;
    position: relative;
}
.ec-nav-level2__link {
    font-size: 15px;
    font-weight: 600;
    color: #1c8ed6; 
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-block;
    padding: 4px 0 4px 8px;
    position: relative;
}
.ec-nav-level2__link:hover {
    color: #0d6efd;
}
.ec-nav-level2__link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 4px;
    height: 4px;
    background: #1c8ed6;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.ec-nav-level2__link:hover::before {
    opacity: 1;
}


.ec-nav-level3 {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}
.ec-nav-level3__item {
    margin: 0;
    padding: 0;
    position: relative;
}
.ec-nav-level3__link {
    display: block;

    color: #555; 
    font-size: 14px;

    text-decoration: none;
    transition: all 0.2s ease;
    padding: 6px 8px 6px 20px;
    border-radius: 4px;
    line-height: 1.4;
    position: relative;
}
.ec-nav-level3__link::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    width: 4px;
    height: 1px;
    background: #aaa;
    transform: translateY(-50%);
    transition: all 0.2s ease;
}
.ec-nav-level3__link:hover {
    color: #1c8ed6; 
    background-color: #f0f8ff;
    padding-left: 24px;
    text-decoration: none;
}
.ec-nav-level3__link:hover::before {
    background: #1c8ed6; 
    width: 6px;
}


.ec-nav-custom {
    grid-column: 1 / -1;
    margin-top: 10px;
    padding-top: 20px;
    border-top: 1px dashed #e6f2fb; 
}
.ec-nav-custom img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    transition: transform 0.3s ease;
}
.ec-nav-custom img:hover {
    transform: translateY(-3px);
}


@media (max-width: 1200px) {
    .ec-nav-center {
        width: 100%;
        padding: 0 16px;
    }
    .ec-nav-dropdown {
        min-width: 100%;
        left: 0;
        right: 0;
    }
    .ec-nav-dropdown__inner {
        padding: 20px 16px;
        gap: 20px;
    }
}
@media (max-width: 992px) {
    .ec-nav-level1 {
        flex-wrap: wrap;
    }
    .ec-nav-level1__link {
        height: 48px;
        padding: 0 16px;
    }
    .ec-nav-dropdown__inner {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .ec-nav-level1__link {
        padding: 0 12px;
        font-size: 14px;
        height: 44px;
    }
    .ec-nav-level2__link {
        font-size: 14px;
    }
    .ec-nav-level3__link {
        font-size: 12px;
    }
    .ec-nav-dropdown-container {
        position: static;
    }
    .ec-nav-dropdown {
        position: static;
        display: none;
        box-shadow: none;
        border: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        min-width: 100%;
    }
    .ec-nav-level1__item:hover ~ .ec-nav-dropdown-container .ec-nav-dropdown,
    .ec-nav-dropdown:hover {
        display: block;
        transform: none;
    }
    .ec-nav-dropdown__inner {
        padding: 15px;
        grid-template-columns: 1fr;
    }
    .ec-nav-category-group {
        padding-left: 10px;
        border-left-width: 1px;
    }
    .ec-nav-level3__link {
        padding-left: 16px;
    }
    .ec-nav-level3__link:hover {
        padding-left: 20px;
    }
}

.ec-icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    line-height: 1;
    font-style: normal;
    font-weight: normal;
    speak: none;
    text-transform: none;
    vertical-align: middle;
}
.ec-icon--arrow-down::before {
    content: "▼";
}

.ec-nav-dropdown {
    will-change: opacity, transform;
}