body {
    padding-top: 78px !important;
}

.top-status-bar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 100%;
    background: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(12px);
}

.top-status-bar,
.top-status-bar * {
    box-sizing: border-box;
}

.top-status-bar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(1280px, 92%);
    height: 78px;
    margin: 0 auto;
}

.top-status-bar__logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

.top-status-bar__logo img {
    display: block;
    width: auto;
    max-width: 190px;
    max-height: 48px;
    object-fit: contain;
}

.top-status-bar__nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 18px;
    margin-left: 48px;
}

.top-status-bar__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 78px;
    padding: 0 22px;
    color: #1a1a1a;
    font-size: 16px;
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    background: transparent;
    border: 0;
    cursor: pointer;
    transition: color 0.2s ease;
    font-family: inherit;
}

.top-status-bar__link::after {
    content: "";
    position: absolute;
    right: 22px;
    bottom: 0;
    left: 22px;
    height: 2px;
    background: #e53e3e;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.2s ease;
}

.top-status-bar__link:hover,
.top-status-bar__link:focus-visible,
.top-status-bar__link.is-active {
    color: #e53e3e;
    outline: none;
}

.top-status-bar__link:hover::after,
.top-status-bar__link:focus-visible::after,
.top-status-bar__link.is-active::after {
    transform: scaleX(1);
}

.top-status-bar__link.is-active {
    color: #000000;
    font-weight: 700;
}


.top-status-bar__item {
    position: relative;
}

.top-status-bar__arrow {
    font-size: 12px;
    transition: transform 0.2s ease;
    transform: rotate(-90deg);
}

.top-status-bar__item--has-dropdown.is-dropdown-open .top-status-bar__arrow {
    transform: rotate(0deg);
}

.top-status-bar__dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    min-width: 310px;
    padding: 10px 0;
    background: rgba(8, 20, 34, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0 !important;
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.24);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 12px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.top-status-bar__item--has-dropdown:hover .top-status-bar__dropdown,
.top-status-bar__item--has-dropdown:focus-within .top-status-bar__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.top-status-bar__subitem {
    position: relative;
}

.top-status-bar__dropdown-link,
.top-status-bar__submenu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 13px 20px;
    color: rgba(0, 0, 0, 0.78);
    font-size: 14px;
    line-height: 1.45;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    background: transparent;
    border: 0;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease, padding-left 0.2s ease;
    font-family: inherit;
}
/* 产品二级分类：左对齐 + 窄宽度 */
.top-status-bar__dropdown-link {
    justify-content: flex-start !important;
    text-align: left !important;
}
.top-status-bar__dropdown {
    min-width: 140px !important;
}

.top-status-bar__dropdown-link:hover,
.top-status-bar__dropdown-link:focus-visible,
.top-status-bar__submenu a:hover,
.top-status-bar__submenu a:focus-visible {
    color: #e53e3e;
    background: rgba(229, 62, 62, 0.08);
    padding-left: 26px;
    outline: none;
}
/* 产品二级分类选中/激活状态：颜色与“产品介绍”导航栏主题色（#e53e3e）保持一致 */
.top-status-bar__dropdown-link.is-active,
.top-status-bar__submenu a.is-active {
    color: #e53e3e;
    font-weight: 700;
    background: rgba(229, 62, 62, 0.08);
}



.top-status-bar__submenu {
    position: absolute;
    top: 0;
    left: 100%;
    min-width: 390px;
    padding: 10px 0;
    background: rgba(8, 20, 34, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0 !important;
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.24);
    opacity: 0;
    visibility: hidden;
    transform: translateX(12px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.top-status-bar__subitem--has-dropdown:hover .top-status-bar__submenu,
.top-status-bar__subitem--has-dropdown:focus-within .top-status-bar__submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.top-status-bar__subitem-arrow {
    flex-shrink: 0;
    margin-left: 16px;
    font-size: 18px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.top-status-bar__subitem--has-dropdown:hover .top-status-bar__subitem-arrow,
.top-status-bar__subitem--has-dropdown:focus-within .top-status-bar__subitem-arrow {
    transform: rotate(180deg);
}

.top-status-bar__toggle {
    display: none;
    width: 44px !important;
    height: 44px !important;
    padding: 0;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    cursor: pointer;
}

.top-status-bar__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 5px auto;
    background: #ffffff;
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.top-status-bar.is-open .top-status-bar__toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.top-status-bar.is-open .top-status-bar__toggle span:nth-child(2) {
    opacity: 0;
}

.top-status-bar.is-open .top-status-bar__toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 平板端（iPad，768px - 1199px）：保持水平导航常显，仅收紧间距以容纳所有导航项 */
@media (min-width: 768px) and (max-width: 1199.9px) {
    .top-status-bar__nav {
        gap: 6px;
        margin-left: 20px;
    }

    .top-status-bar__link {
        padding: 0 14px;
        font-size: 15px;
    }

    .top-status-bar__link::after {
        right: 14px;
        left: 14px;
    }
}

/* 手机端（<=767px）：折叠为汉堡菜单 */
@media (max-width: 767.9px) {
    body {
        padding-top: 64px !important;
    }

    .top-status-bar__inner {
        height: 64px;
    }

    .top-status-bar__logo img {
        max-width: 150px;
        max-height: 40px;
    }

    .top-status-bar__toggle {
        display: block;
    }


















    .top-status-bar__nav {
        position: absolute;
        top: 64px;
        right: 0;
        left: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        max-height: calc(100vh - 64px);
        margin-left: 0;
        padding: 8px 4%;
        overflow-y: auto;
        background: rgba(8, 20, 34, 0.98);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 18px 30px rgba(0, 0, 0, 0.2);
    }

    .top-status-bar.is-open .top-status-bar__nav {
        display: flex;
    }

    .top-status-bar__link {
        justify-content: space-between;
        min-height: 48px;
        width: 100%;
        padding: 0 8px;
        font-size: 15px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .top-status-bar__link::after {
        display: none;
    }

    .top-status-bar__item {
        width: 100%;
    }

    .top-status-bar__dropdown {
        position: static;
        display: none;
        min-width: 0;
        padding: 0 0 8px;
        background: rgba(255, 255, 255, 0.04);
        border: 0;
        border-radius: 0 !important;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        transition: none;
    }

    .top-status-bar__item--has-dropdown:hover .top-status-bar__dropdown,
    .top-status-bar__item--has-dropdown:focus-within .top-status-bar__dropdown {
        transform: none;
    }

    .top-status-bar__item--has-dropdown.is-dropdown-open .top-status-bar__dropdown {
        display: block;
    }


    .top-status-bar__subitem {
        width: 100%;
    }

    .top-status-bar__dropdown-link,
    .top-status-bar__submenu a {
        min-height: 44px;
        padding: 12px 16px;
        font-size: 14px;
        white-space: normal;
    }

    .top-status-bar__submenu {
        position: static;
        display: none;
        min-width: 0;
        padding: 0 0 6px 12px;
        background: rgba(255, 255, 255, 0.04);
        border: 0;
        border-radius: 0 !important;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        transition: none;
    }

    .top-status-bar__subitem--has-dropdown:hover .top-status-bar__submenu,
    .top-status-bar__subitem--has-dropdown:focus-within .top-status-bar__submenu {
        transform: none;
    }

    .top-status-bar__subitem--has-dropdown.is-submenu-open .top-status-bar__submenu {
        display: block;
    }

    .top-status-bar__subitem--has-dropdown.is-submenu-open .top-status-bar__subitem-arrow {
        transform: rotate(90deg);
    }

    .top-status-bar__dropdown-link:hover,
    .top-status-bar__dropdown-link:focus-visible,
    .top-status-bar__submenu a:hover,
    .top-status-bar__submenu a:focus-visible {
        padding-left: 22px;
    }
}

@media (min-width: 1200px) {
    .top-status-bar__item--has-dropdown:hover .top-status-bar__dropdown,
    .top-status-bar__item--has-dropdown:focus-within .top-status-bar__dropdown {
        opacity: 1;
        visibility: visible;
        transform: translate(-50%, 0);
    }
}

/* ===== 白色导航栏统一配色覆盖 ===== */
.top-status-bar {
    border-bottom: 1px solid #d9d9d9;
}

.top-status-bar__link:hover,
.top-status-bar__link:focus-visible {
    color: #000000;
}

.top-status-bar__toggle {
    border: 1px solid rgba(0, 0, 0, 0.2);
}

.top-status-bar__toggle span {
    background: #1a1a1a;
}

.top-status-bar__dropdown,
.top-status-bar__submenu {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.12);
}

@media (max-width: 767.9px) {
    .top-status-bar__nav {
        background: #ffffff;
        border-top: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow: 0 18px 30px rgba(0, 0, 0, 0.12);
    }

    .top-status-bar__link {
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    }

    .top-status-bar__dropdown,
    .top-status-bar__submenu {
        background: rgba(0, 0, 0, 0.03);
        box-shadow: none;
    }
}