/* ==========================================================================
   设计令牌 — 严格对标 sharevdi.com 配色
   ========================================================================== */
:root {
    --sv-dark:        #020228;   /* 顶栏 / Header / Footer 深蓝黑 */
    --sv-primary:     #0F8FCA;   /* 品牌蓝：导航 / 按钮 / 分类栏 */
    --sv-hover:       #009B4C;   /* 按钮悬停绿（sharevdi 特征色） */
    --sv-text-main:   #333333;   /* 正文主色 */
    --sv-text-muted:  #666666;   /* 辅助文字 */
    --sv-text-light:  #999999;   /* 更浅文字 */
    --sv-bg-light:    #F4F7F9;   /* 浅色区块背景 */
    --sv-bg-lighter:  #F9F9F9;   /* 更浅背景 */
    --sv-border:      #f0f0f0;   /* 边框 */
    --sv-white:       #ffffff;

    /* ===== 流体排版标尺（clamp + vw，随屏宽平滑缩放，适配 4K） ===== */
    --fs-base:    clamp(14px, 0.85vw, 22px);    /* 正文基准（1920px≈16px, 3840px≈22px） */
    --fs-sm:      clamp(11px, 0.65vw, 18px);    /* 辅助小字 */
    --fs-nav:     clamp(15px, 0.95vw, 22px);    /* 导航链接 */
    --fs-card:    clamp(12px, 0.7vw, 18px);     /* 卡片标题 */
    --fs-sub:     clamp(11px, 0.6vw, 16px);     /* 卡片子项 */
    --fs-h5:      clamp(14px, 0.85vw, 20px);    /* 栏目标题 */
    --fs-h2:      clamp(22px, 2vw, 48px);       /* 区块大标题（1920px≈38px, 3840px≈48px） */

    /* 固定头部相关高度（流体） */
    --topbar-h:   clamp(28px, 2.4vw, 50px);     /* 顶栏高度 */
    --header-h:   clamp(60px, 6vw, 110px);      /* 主头高度 */
    --head-offset: calc(var(--topbar-h) + var(--header-h));

    /* 流体间距 */
    --sp-sec:     clamp(40px, 6vw, 120px);      /* 区块上下内边距 */
    --sp-sec-head:clamp(28px, 4vw, 70px);       /* 区块标题下间距 */
    --sp-container:clamp(12px, 2vw, 40px);      /* 容器左右内边距 */
}

html {
    font-size: var(--fs-base);
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    padding-top: var(--head-offset); /* 流体：顶栏 + 主头 */
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
    color: var(--sv-text-main);
    background-color: var(--sv-white);
    line-height: 1.6;
    font-size: var(--fs-base);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.25s ease;
}

.container {
    max-width: clamp(1100px, 88vw, 1680px);
    margin: 0 auto;
    padding: 0 var(--sp-container);
}

/* ==========================================================================
   顶部栏 (Top Bar) — 深蓝黑底白字
   ========================================================================== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background-color: var(--sv-dark);
    color: #cccccc;
    font-size: var(--fs-sm);
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.top-bar-left span {
    margin-right: 18px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* 绀句氦濯掍綋鍥炬爣 */
.top-social {
    display: flex;
    align-items: center;
    gap: 10px;
}

.top-social .social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    color: #ffffff;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.top-social .social-icon:hover {
    transform: translateY(-2px);
    opacity: 0.85;
}

.top-social .social-facebook  { background: #1877F2; }
.top-social .social-x         { background: #000000; }
.top-social .social-youtube   { background: #FF0000; }
.top-social .social-whatsapp  { background: #25D366; }


/* ==========================================================================
   主 Header — 深蓝黑底 + 白色导航
   ========================================================================== */
.site-header {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    right: 0;
    background: var(--sv-dark);
    z-index: 9999;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-h);
    position: relative;
    max-width: clamp(1100px, 95vw, 2400px);
}

.top-bar-content {
    max-width: clamp(1100px, 95vw, 2400px);
}

.site-logo img {
    /* 调整后：最小 48px，流式比例提升至 5vw，最大放宽到 90px */
    max-height: clamp(48px, 5vw, 90px);
    width: auto;
    display: block;
}

.site-nav {
    height: 100%;
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    justify-content: center;
}

.main-nav {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    height: 100%;
}

.main-nav > li {
    height: 100%;
    display: flex;
    align-items: center;
}

.main-nav > li > a {
    padding: 0 clamp(10px, 1.2vw, 26px);
    color: #ffffff;
    font-weight: 500;
    font-size: var(--fs-nav);
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;
    transition: color 0.25s ease;
}

.main-nav > li:hover > a {
    color: var(--sv-primary);
}

/* 当前激活项 */
.main-nav > li.current-menu-item > a,
.main-nav > li.current-page-ancestor > a {
    color: var(--sv-primary);
}

.main-nav > li.current-menu-item > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 22px;
    right: 22px;
    height: 3px;
    background: var(--sv-primary);
}

/* CTA 按钮 */


/* 鎼滅储妗?*/
.header-search {
    display: flex;
    align-items: center;
    margin: 0 16px;
    flex-shrink: 0;
}

.search-form {
    display: flex;
    align-items: stretch;
    background: #ffffff;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: box-shadow 0.25s ease;
}

.search-form:focus-within {
    box-shadow: 0 2px 12px rgba(15, 143, 202, 0.35);
}

.search-input {
    border: none;
    outline: none;
    padding: 0 clamp(10px, 1vw, 14px);
    height: clamp(32px, 3vw, 52px);
    width: clamp(100px, 11vw, 220px);
    font-size: var(--fs-sm);
    color: #333;
    background: transparent;
}

.search-input::placeholder {
    color: #999;
}

.search-submit {
    border: none;
    background: var(--sv-primary);
    color: #ffffff;
    width: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.25s ease;
}

.search-submit:hover {
    background: var(--sv-hover);
}

/* ==========================================================================
   Mega Menu 全宽下拉面板
   ========================================================================== */
.main-nav > li.has-mega-menu {
    position: static !important;
}

.mega-menu-dropdown {
    position: absolute;
    top: var(--header-h);
    left: 50%;
    width: 95%;
    max-width: clamp(1100px, 95vw, 2400px);
    background: var(--sv-white);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    border-top: 3px solid var(--sv-primary);
    padding: clamp(20px, 2.5vw, 45px) 0;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 12px);
    transition: opacity 0.28s ease, transform 0.28s ease, visibility 0.28s ease;
    pointer-events: none;
    z-index: 1000;
}

.main-nav > li.has-mega-menu:hover .mega-menu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
    pointer-events: auto;
}

/* ==========================================================================
   Mega Menu 卡片网格 — 对标 sharevdi 下拉卡片
   ========================================================================== */
.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(12px, 1.5vw, 20px);
}

/* 卡片外层：浅灰底 + 细边框 */
.mega-catalog-card {
    display: flex;
    flex-direction: column;
    background: var(--sv-bg-lighter);
    border: 1px solid var(--sv-border);
    border-radius: 6px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.mega-catalog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(15, 143, 202, 0.12);
    border-color: var(--sv-primary);
}

/* 顶部长方形产品图区域 */
.card-img-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #ffffff;
    padding: clamp(12px, 1.5vw, 18px);
    height: clamp(100px, 11vw, 220px);
    transition: background 0.3s ease;
}

.mega-catalog-card:hover .card-img-wrapper {
    background: #f0f9fc;
}

.card-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.35s ease;
}

.mega-catalog-card:hover .card-img {
    transform: scale(1.06);
}

/* 二级分类标题栏：品牌蓝底 + 白字 */
.card-category-bar {
    background-color: var(--sv-primary);
    color: #ffffff !important;
    font-size: var(--fs-card);
    font-weight: 600;
    padding: clamp(8px, 0.9vw, 11px) clamp(12px, 1.3vw, 16px);
    display: block;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background-color 0.3s ease;
}

.card-category-bar:hover {
    background-color: var(--sv-hover);
    color: #ffffff !important;
}

/* 底部三级列表区域 */
.card-sub-body {
    padding: 12px 16px 16px 16px;
    flex-grow: 1;
}

.card-sub-list {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: left;
}

.card-sub-list li {
    margin-bottom: 8px;
}

.card-sub-list li:last-child {
    margin-bottom: 0;
}

.card-sub-list li a {
    color: #222222;
    font-size: var(--fs-sub);
    display: block;
    line-height: 1.5;
    transition: color 0.2s ease, transform 0.2s ease, padding-left 0.2s ease;
}

.card-sub-list li a::before {
    content: '›';
    color: var(--sv-primary);
    margin-right: 6px;
    font-weight: 700;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.card-sub-list li a:hover {
    color: var(--sv-primary);
    padding-left: 4px;
}

.card-sub-list li a:hover::before {
    opacity: 1;
}

/* ==========================================================================
   传统文字下拉菜单 (Simple Dropdown)
   ========================================================================== */
.main-nav > li.has-simple-dropdown {
    position: relative !important;
}

.simple-dropdown {
    position: absolute;
    top: var(--header-h);
    left: 0;
    min-width: clamp(180px, 16vw, 220px);
    background: var(--sv-white);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-top: 3px solid var(--sv-primary);
    border-radius: 0 0 6px 6px;
    list-style: none;
    margin: 0;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    pointer-events: none;
    z-index: 1000;
}

.main-nav > li.has-simple-dropdown:hover .simple-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.simple-dropdown li {
    width: 100%;
}

.simple-dropdown li a {
    display: block;
    padding: clamp(8px, 0.8vw, 10px) clamp(14px, 1.4vw, 20px);
    color: var(--sv-text-main);
    font-size: var(--fs-card);
    white-space: nowrap;
    transition: background-color 0.2s, color 0.2s, padding-left 0.2s;
}

.simple-dropdown li a:hover {
    background-color: var(--sv-bg-light);
    color: var(--sv-primary);
    padding-left: 26px;
}

/* ==========================================================================
   首页区块通用
   ========================================================================== */
.sec-padding {
    padding: var(--sp-sec) 0;
}

.bg-light {
    background-color: var(--sv-bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: var(--sp-sec-head);
}

.section-header h2 {
    font-size: var(--fs-h2);
    color: #1a252f;
    margin: 0 0 clamp(8px, 0.8vw, 10px) 0;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--sv-primary);
    margin: 12px auto 0 auto;
    border-radius: 2px;
}

/* ==========================================================================
   Footer — 深蓝黑底白字
   ========================================================================== */
.site-footer {
    background: var(--sv-dark);
    color: #cccccc;
    padding: clamp(32px, 4vw, 50px) 0 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(20px, 3vw, 60px);
    padding-bottom: clamp(24px, 3vw, 60px);
}

.footer-col h5 {
    color: #ffffff;
    font-size: var(--fs-h5);
    margin: 0 0 clamp(12px, 1.4vw, 18px) 0;
    position: relative;
    padding-bottom: clamp(8px, 1vw, 12px);
}

.footer-col h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--sv-primary);
}

.footer-col p {
    font-size: var(--fs-sm);
    line-height: 1.8;
    margin: 0 0 clamp(5px, 0.6vw, 8px) 0;
    color: #b0b0b0;
}

.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #b0b0b0;
    font-size: var(--fs-sm);
    transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-col ul li a:hover {
    color: var(--sv-primary);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: clamp(12px, 1.3vw, 18px) 0;
    text-align: center;
    font-size: var(--fs-sm);
    color: #888;
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 992px) {
    .mega-menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .mega-menu-grid {
        grid-template-columns: 1fr;
    }
    .footer-top {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   登录态 WordPress Admin Bar 偏移（避免遮挡固定头部）
   ========================================================================== */
body.admin-bar {
    padding-top: calc(var(--head-offset) + 32px);
}

body.admin-bar .top-bar {
    top: 32px;
}

body.admin-bar .site-header {
    top: calc(32px + var(--topbar-h));
}

body.admin-bar .hero-section {
    margin-top: calc((var(--head-offset) + 32px) * -1);
    padding-top: calc(223px + 32px);
}

@media screen and (max-width: 782px) {
    body.admin-bar {
        padding-top: calc(var(--head-offset) + 46px);
    }
    body.admin-bar .top-bar {
        top: 46px;
    }
    body.admin-bar .site-header {
        top: calc(46px + var(--topbar-h));
    }
    body.admin-bar .hero-section {
        margin-top: calc((var(--head-offset) + 46px) * -1);
        padding-top: calc(223px + 46px);
    }
}

/* 移动端搜索框：桌面端隐藏 */
.mobile-search {
    display: none !important;
}

/* ==========================================================================
   移动端菜单 — mega 卡片改为普通折叠列表
   ========================================================================== */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}
.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    margin: 0 auto;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.mobile-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}
.mobile-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 992px) {
    /* 显示汉堡按钮 */
    .mobile-toggle { display: flex; }

    /* 导航面板：从 header 下方下滑出现，深色底 */
    .site-nav {
        position: fixed;
        top: var(--head-offset);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--sv-dark);
        overflow-y: auto;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
        z-index: 9998;
        padding: 1.5rem;
    }
    .site-nav.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .main-nav {
        flex-direction: column;
        align-items: stretch;
        height: auto;
        padding: 0;
        margin: 0;
    }
    .main-nav > li {
        height: auto;
        flex-direction: column;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .main-nav > li > a {
        height: auto;
        padding: 14px 0;
        font-size: var(--fs-nav);
        justify-content: space-between;
        display: flex;
        align-items: center;
    }
    /* 展开图标：右箭头 ▸，展开时旋转 180° 变向下 */
    .main-nav > li.has-children > a::after {
        content: '▸';
        font-size: 13px;
        color: #999;
        transition: transform 0.22s ease;
        flex-shrink: 0;
    }
    .main-nav > li.mobile-open > a::after {
        transform: rotate(90deg);
    }

    /* Mega menu 下拉：折叠块 */
    .mega-menu-dropdown {
        position: static;
        width: 100%;
        max-width: none;
        left: auto;
        transform: none;
        box-shadow: none;
        border-top: none;
        padding: 0;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        display: none;
    }
    .main-nav > li.mobile-open > .mega-menu-dropdown {
        display: block;
    }
    .main-nav > li.has-mega-menu:hover .mega-menu-dropdown {
        transform: none;
    }

    /* 卡片网格改单列，去卡片样式 */
    .mega-menu-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .mega-catalog-card {
        background: transparent;
        border: none;
        border-radius: 0;
    }
    .mega-catalog-card:hover {
        transform: none;
        box-shadow: none;
    }
    /* 隐藏卡片图片 — 移动端不要任何图片 */
    .card-img-wrapper,
    .mega-catalog-card .card-img,
    .mega-catalog-card .card-img-wrapper a {
        display: none !important;
    }
    /* 二级标题：缩进 1.5rem */
    .card-category-bar {
        background: transparent;
        color: #ccc !important;
        padding: 10px 0 10px 1.5rem;
        font-size: var(--fs-card);
        white-space: normal;
        display: block;
    }
    .card-category-bar:hover {
        background: transparent;
        color: var(--sv-primary) !important;
    }
    /* 三级列表：再缩进 1.5rem */
    .card-sub-body {
        padding: 0 0 8px 1.5rem;
    }
    .card-sub-list li a {
        color: #999;
        padding: 6px 0 6px 1.5rem;
        display: block;
    }
    .card-sub-list li a:hover {
        color: var(--sv-primary);
        padding-left: 1.5rem;
    }

    /* 普通下拉也改折叠 */
    .simple-dropdown {
        position: static;
        min-width: 0;
        width: 100%;
        box-shadow: none;
        border-top: none;
        border-radius: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
        display: none;
        padding: 0;
    }
    .main-nav > li.mobile-open > .simple-dropdown {
        display: block;
    }
    .simple-dropdown li a {
        color: #ccc;
        padding: 10px 0 10px 1.5rem;
    }
    .simple-dropdown li a:hover {
        color: var(--sv-primary);
        padding-left: 1.5rem;
    }

    /* 移动端：隐藏 header 搜索框，显示菜单内搜索框 */
    .header-search {
        display: none !important;
    }
    .mobile-search {
        display: block !important;
        margin-bottom: 1rem;
    }
    .mobile-search .search-form {
        width: 100%;
    }
    .mobile-search .search-input {
        width: 100%;
        flex: 1;
    }
}

@media (max-width: 576px) {
    .top-bar-left span:nth-child(2) { display: none; }
    .site-logo img { max-height: 36px; }
}
/* === Mobile Hotfix === */
@media (max-width: 992px) {
    :root { --header-h: 60px; --topbar-h: 28px; }
    .header-inner { height: 60px !important; }
    .site-header { top: 28px !important; }
    .mobile-toggle { display: flex !important; width: 44px !important; height: 44px !important; position: relative; z-index: 10000; flex-shrink: 0; }
    .mobile-toggle span { width: 26px !important; height: 3px !important; background: #ffffff !important; }
    .site-logo img { max-height: 36px !important; }
    .site-nav { top: 88px !important; }
    .top-bar-left span { font-size: 11px !important; margin-right: 8px; }
    .top-social { gap: 6px; }
    .top-social .social-icon { width: 20px; height: 20px; }
    .top-bar-right { gap: 6px; }
}
@media (max-width: 480px) {
    .top-bar-left span:first-child { display: none; }
    .header-inner { padding: 0 10px !important; }
}

/* mobile-search: only visible inside hamburger menu on mobile */



/* =============================================
   移动端：搜索按钮 + 展开式搜索条 + 溢出修复
   ============================================= */

/* --- 搜索按钮（header 内放大镜）--- */
.mobile-search-toggle {
    display: none;               /* 桌面默认隐藏 */
    background: transparent;
    border: none;
    color: #ffffff;
    cursor: pointer;
    padding: 8px;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: color 0.2s ease;
}
.mobile-search-toggle:hover,
.mobile-search-toggle[aria-expanded="true"] {
    color: var(--sv-primary);
}

/* --- 展开式搜索条 --- */
.mobile-search-bar {
    display: none;                /* 默认隐藏 */
    position: absolute;
    top: 100%;                    /* 紧贴 header 下方 */
    left: 0;
    right: 0;
    background: var(--sv-dark, #1a1a1a);
    padding: 12px 16px;
    z-index: 10001;               /* 比汉堡 z-index:10000 高 */
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
}
.mobile-search-bar.open {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.mobile-search-bar .search-form {
    display: flex;
    gap: 8px;
    width: 100%;
}
.mobile-search-bar .search-input {
    flex: 1;
    min-width: 0;
    padding: 10px 12px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 4px;
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-size: 14px;
    outline: none;
}
.mobile-search-bar .search-input::placeholder { color: rgba(255,255,255,0.5); }
.mobile-search-bar .search-input:focus { border-color: var(--sv-primary, #ff6b35); }
.mobile-search-bar .search-submit {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: var(--sv-primary, #ff6b35);
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- 首页文案溢出修复 --- */
.site-logo img { max-width: 100%; height: auto; }
.site-logo { flex-shrink: 0; max-width: 45%; }

/* --- 移动端媒体查询 --- */
@media (max-width: 992px) {
    /* 显示搜索按钮 */
    .mobile-search-toggle {
        display: flex !important;
        position: relative;
        z-index: 10000;
    }
    /* header 允许绝对定位子元素 */
    .header-inner { position: relative; overflow: visible !important; }

    /* header 布局防止溢出 */
    .site-logo  { flex-shrink: 1 !important; min-width: 0; max-width: 40%; }
    .site-logo img { max-height: 36px !important; width: auto; }
    .site-nav   { flex-shrink: 0; }

    /* 搜索条跟随 header top-bar 偏移 */
    .mobile-search-bar { top: 100%; }

    /* 隐藏旧的 nav 内 mobile-search 兜底 */
    nav .mobile-search { display: none !important; }
}

/* ================================================
   移动端菜单 — 按设计稿改成白色 Sheet 风格
   覆盖之前 728-897 行的深色样式
   ================================================ */

@media (max-width: 992px) {
    /* nav 面板：白色背景 + 顶部滑下 + 有阴影 */
    .site-nav {
        background: #ffffff !important;
        top: var(--head-offset, 88px) !important;
        left: 0 !important;
        right: 0 !important;
        bottom: auto !important;         /* 不撑到页脚 */
        max-height: 85vh !important;     /* 最多占视口 85% */
        padding: 0 !important;           /* 取消额外内边距 */
        box-shadow: 0 8px 24px rgba(0,0,0,0.15) !important;
        border-top: 1px solid #eee !important;
        flex-direction: column !important;
    }

    /* 主菜单列表 — 全宽 */
    .main-nav {
        flex-direction: column !important;
        align-items: stretch !important;
        padding: 0 !important;
        margin: 0 !important;
        height: auto !important;
        list-style: none !important;
    }

    .main-nav > li {
        height: auto !important;
        flex-direction: column !important;
        border-bottom: 1px solid #eaeaea !important;
        padding: 0 20px !important;
    }
    /* 最后一项不要底线 */
    .main-nav > li:last-child { border-bottom: none !important; }

    /* 顶级菜单项链接 — 干净文字 */
    .main-nav > li > a {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 16px 0 !important;
        color: #222222 !important;
        font-size: 16px !important;
        font-weight: 500 !important;
        height: auto !important;
        transition: color 0.15s ease !important;
    }
    .main-nav > li > a:hover { color: var(--sv-primary, #ff6b35) !important; }

    /* 去掉之前 ::after 加的箭头，改用展开后旋转 */
    .main-nav > li.has-children > a::after {
        content: '\25BE' !important;    /* ▾ 向下 */
        color: #999 !important;
        font-size: 12px !important;
        transition: transform 0.22s ease !important;
    }
    .main-nav > li.mobile-open > a::after {
        transform: rotate(180deg) !important;   /* ▴ 向上 */
    }

    /* ======= Mega / Simple 下拉：折叠成简洁子列表 ======= */
    .mega-menu-dropdown,
    .simple-dropdown {
        display: none !important;
        position: static !important;
        width: 100% !important;
        background: #fafafa !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
    }
    .main-nav > li.mobile-open > .mega-menu-dropdown,
    .main-nav > li.mobile-open > .simple-dropdown {
        display: block !important;
    }

    /* Mega 菜单内部容器 — 去卡片化 */
    .mega-menu-dropdown .container { max-width: 100% !important; padding: 0 !important; }
    .mega-menu-grid {
        grid-template-columns: 1fr !important;
        gap: 0 !important;
    }

    /* 隐藏所有卡片图片 — 纯文字 */
    .card-img-wrapper,
    .mega-catalog-card .card-img,
    .mega-catalog-card .card-img-wrapper a {
        display: none !important;
    }
    .mega-catalog-card {
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        padding: 0 !important;
    }
    .mega-catalog-card:hover { transform: none !important; }

    /* 二级标题 — 缩进 */
    .card-category-bar {
        display: block !important;
        background: transparent !important;
        color: #555 !important;
        padding: 12px 0 12px 24px !important;
        font-size: 14px !important;
        font-weight: 500 !important;
        border-bottom: 1px solid #eee !important;
        text-decoration: none !important;
    }
    .card-category-bar:hover { color: var(--sv-primary, #ff6b35) !important; }

    /* 三级 — 再缩进 */
    .card-sub-body { padding: 0 0 4px 24px !important; }
    .card-sub-list { list-style: none !important; padding: 0 !important; margin: 0 !important; }
    .card-sub-list li a {
        display: block !important;
        color: #888 !important;
        padding: 8px 0 8px 36px !important;
        font-size: 13px !important;
        text-decoration: none !important;
        border-bottom: 1px solid #f0f0f0 !important;
    }
    .card-sub-list li a:hover { color: var(--sv-primary, #ff6b35) !important; }

    /* Simple 下拉子列表 */
    .simple-dropdown {
        list-style: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    .simple-dropdown li {
        border-bottom: 1px solid #eee !important;
    }
    .simple-dropdown li a {
        display: block !important;
        color: #555 !important;
        padding: 12px 0 12px 24px !important;
        font-size: 14px !important;
        text-decoration: none !important;
    }
    .simple-dropdown li a:hover { color: var(--sv-primary, #ff6b35) !important; }
}

/* ====== 手机菜单：去空白 + 贴左对齐 ====== */
@media (max-width: 992px) {
    /* 紧贴 header 底边，不留缝 */
    .site-nav {
        top: 30px !important;              /* 从 top-bar 下方开始，紧贴 header */
        padding: 0 !important;             /* 零上下内边距 */
        border-top: none !important;       /* 去掉额外分割线 */
        border-radius: 0 !important;       /* 去圆角，直角 sheet */
        left: 0 !important;
        right: 0 !important;
    }

    /* 菜单项 — 贴左边 */
    .main-nav > li {
        padding: 0 16px !important;
    }
    .main-nav > li > a {
        padding: 14px 0 !important;        /* 只留上下呼吸 */
    }

    /* 二级、三级缩进也贴紧 */
    .card-category-bar { padding: 10px 0 10px 16px !important; }
    .card-sub-list li a { padding: 6px 0 6px 28px !important; }
    .simple-dropdown li a { padding: 10px 0 10px 16px !important; }
}


/* =============================================
   🎯 手机菜单终版：顶级居中 + 子项左缩进 + 零空白
   ============================================= */
@media (max-width: 992px) {

    /* ---------- nav 面板本身 ---------- */
    .site-nav {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        background: #fff !important;
        z-index: 9998 !important;
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        max-height: none !important;
        overflow-y: auto !important;
        flex-direction: column !important;
        display: flex !important;
        transform: translateY(-100%) !important;
        visibility: hidden !important;
        opacity: 1 !important;
        transition: transform 0.28s ease, visibility 0.28s ease !important;
    }
    .site-nav.open {
        transform: translateY(0) !important;
        visibility: visible !important;
    }

    /* 菜单列表 — 全宽、无 padding */
    .main-nav {
        flex-direction: column !important;
        align-items: stretch !important;
        list-style: none !important;
        padding: 0 !important;
        margin: 0 !important;
        height: auto !important;
        width: 100% !important;
    }

    /* 顶级 li — 无额外 padding */
    .main-nav > li {
        padding: 0 !important;
        margin: 0 !important;
        height: auto !important;
        flex-direction: column !important;
        border-bottom: 1px solid #eee !important;
        width: 100% !important;
    }
    .main-nav > li:last-child { border-bottom: none !important; }

    /* ====== 关键：顶级菜单项 → 居中对齐 ====== */
    .main-nav > li > a {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 0 !important;
        text-align: center !important;
        width: 100% !important;
        padding: 16px 24px !important;
        margin: 0 !important;
        color: #222 !important;
        font-size: 16px !important;
        font-weight: 500 !important;
        line-height: 1.4 !important;
        text-decoration: none !important;
        box-sizing: border-box !important;
        padding-right: 24px !important;
    }
    .main-nav > li > a:hover { color: #ff6b35 !important; }
    .main-nav > li.mobile-open > a { color: #ff6b35 !important; }

    /* 有子项的顶级项 — 右侧加小箭头 */
    .main-nav > li.has-children > a::after {
        content: '\25BE' !important;
        margin-left: 10px !important;
        font-size: 12px !important;
        color: #999 !important;
        transition: transform 0.2s ease !important;
    }
    .main-nav > li.mobile-open > a::after {
        transform: rotate(180deg) !important;
    }

    /* ====== Mega / Simple 下拉：展开后显示 ====== */
    .mega-menu-dropdown,
    .simple-dropdown {
        display: none !important;
        position: static !important;
        width: 100% !important;
        background: #fff !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        max-height: none !important;
    }
    .main-nav > li.mobile-open > .mega-menu-dropdown,
    .main-nav > li.mobile-open > .simple-dropdown {
        display: block !important;
    }

    /* Mega 菜单内部 — 去卡片化 */
    .mega-menu-dropdown .container { max-width: 100% !important; padding: 0 !important; margin: 0 !important; }
    .mega-menu-grid { display: block !important; padding: 0 !important; margin: 0 !important; gap: 0 !important; }
    .mega-catalog-card {
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        padding: 0 !important;
        margin: 0 !important;
        display: block !important;
    }
    .card-img-wrapper,
    .card-img,
    .mega-catalog-card a img { display: none !important; }
    .mega-catalog-card:hover { transform: none !important; }

    /* 二级项 — 左对齐、缩进、浅灰底 */
    .card-category-bar {
        display: block !important;
        background: #fafafa !important;
        color: #444 !important;
        padding: 12px 20px !important;
        margin: 0 !important;
        font-size: 14px !important;
        font-weight: 500 !important;
        text-align: left !important;
        text-decoration: none !important;
        border-bottom: 1px solid #eee !important;
        border-radius: 0 !important;
        line-height: 1.4 !important;
    }
    .card-category-bar:hover { color: #ff6b35 !important; background: #f4f4f4 !important; }

    /* 三级项 — 更深缩进 */
    .card-sub-body { padding: 0 !important; margin: 0 !important; }
    .card-sub-list { list-style: none !important; padding: 0 !important; margin: 0 !important; }
    .card-sub-list li { border-bottom: 1px solid #f0f0f0 !important; }
    .card-sub-list li a {
        display: block !important;
        color: #777 !important;
        padding: 10px 20px 10px 40px !important;
        margin: 0 !important;
        font-size: 13px !important;
        text-align: left !important;
        text-decoration: none !important;
        border: none !important;
    }
    .card-sub-list li a:hover { color: #ff6b35 !important; }

    /* Simple 下拉 */
    .simple-dropdown { list-style: none !important; padding: 0 !important; margin: 0 !important; }
    .simple-dropdown li { border-bottom: 1px solid #f0f0f0 !important; padding: 0 !important; margin: 0 !important; }
    .simple-dropdown li a {
        display: block !important;
        color: #555 !important;
        padding: 12px 20px !important;
        margin: 0 !important;
        font-size: 14px !important;
        text-align: left !important;
        text-decoration: none !important;
        border: none !important;
    }
    .simple-dropdown li a:hover { color: #ff6b35 !important; }
}

/* 🔧 最终覆盖：全部左对齐 */
@media (max-width: 992px) {
    .main-nav > li > a {
        justify-content: flex-start !important;
        text-align: left !important;
        padding: 16px 20px !important;
    }
    .main-nav > li.has-children > a::after {
        margin-left: auto !important;  /* 箭头推最右 */
    }
}
/* 🔧 去 nav 面板上下空白 */
@media (max-width: 992px) {
    /* 紧贴 header 底边（不是 top:0） */
    .site-nav {
        top: var(--head-h, 108px) !important;
        padding: 0 !important;
    }
    /* 菜单列表自身不要上下 margin/padding */
    .site-nav .main-nav {
        padding: 0 !important;
        margin: 0 !important;
    }
    /* body 没有额外 margin */
    body { margin: 0 !important; }
}
/* ★ 终极归零层 —— 一次性清掉上面 14 层 media query 的混乱 */
@media (max-width: 992px) {
    .site-nav {
        position: fixed !important;
        top: var(--head-h, 108px) !important;
        left: 0 !important;
        right: 0 !important;
        bottom: auto !important;        /* ★ 关键：不撑到页脚 */
        height: auto !important;        /* ★ 高度由内容撑开 */
        max-height: none !important;
        background: #fff !important;
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: 0 4px 16px rgba(0,0,0,0.08) !important;
        overflow-y: auto !important;
        display: none !important;        /* 默认隐藏 */
        flex-direction: column !important;
        /* 关闭状态（无动画，直接切） */
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        transition: none !important;
    }
    .site-nav.open {
        display: flex !important;        /* ★ 开关用 display */
    }
}
/* 🔧 手机端：隐藏三级菜单 */
@media (max-width: 992px) {
    .card-sub-body,
    .card-sub-list { display: none !important; }
}
/* 🔧 搜索按钮贴汉堡 + 搜索框改成方盒子 */
@media (max-width: 992px) {
    /* 搜索按钮贴紧汉堡（不要被 space-between 拉开） */
    .mobile-search-toggle { margin-right: 0 !important; padding-right: 4px !important; }
    .mobile-toggle { margin-left: 0 !important; padding-left: 4px !important; }

    /* 搜索弹框 — 干净方盒子 */
    .mobile-search-bar {
        background: #fff !important;
        box-shadow: 0 2px 0 #ddd, 0 8px 20px rgba(0,0,0,0.1) !important;
        border: none !important;
        border-radius: 0 !important;
        padding: 12px !important;
    }
    .mobile-search-bar .search-form { gap: 8px !important; }
    .mobile-search-bar .search-input {
        background: #fff !important;
        border: 1px solid #ddd !important;
        border-radius: 0 !important;
        border-right: none !important;
        color: #333 !important;
        font-size: 14px !important;
        padding: 10px 12px !important;
    }
    .mobile-search-bar .search-submit {
        background: #333 !important;
        border-radius: 0 !important;
        width: 44px !important;
        height: 40px !important;
    }
}
/* 🔧 搜索+汉堡 靠右成组 */
@media (max-width: 992px) {
    /* logo 靠左 */
    .site-logo { margin-right: auto !important; }
    /* 搜索按钮：margin-left:auto 把自己和汉堡一起推到最右 */
    .mobile-search-toggle { margin-left: auto !important; margin-right: 4px !important; }
    .mobile-toggle { margin-left: 4px !important; }
    /* 隐藏电脑的搜索框和 nav */
    .header-search, .site-nav { display: none !important; }
}
/* ============================================
   ★ 统一下拉箭头 — 电脑端 + 手机端
   全用一个干净的 SVG chevron
   ============================================ */

/* 所有带子菜单的顶级项 — 共用箭头 */
.main-nav > li.has-children > a::after {
    content: '' !important;
    display: inline-block !important;
    width: 14px !important;
    height: 8px !important;
    margin-left: 8px !important;
    vertical-align: middle !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 14 8'%3E%3Cpath d='M1 1l6 6 6-6'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-size: contain !important;
    background-position: center !important;
    transition: transform 0.22s ease !important;
    /* 覆盖之前所有 content: '\25BE' / '\25B8' 字符箭头 */
    font-size: 0 !important;
}

/* 电脑端：hover 时翻转 */
.main-nav > li.has-children:hover > a::after,
.main-nav > li.has-children:focus-within > a::after {
    transform: rotate(180deg) !important;
}

/* 手机端：展开时翻转 */
@media (max-width: 992px) {
    .main-nav > li.has-children > a::after {
        margin-left: auto !important;   /* 推到最右 */
    }
    .main-nav > li.mobile-open > a::after {
        transform: rotate(180deg) !important;
    }
}

/* ==========================================
   FIX: Desktop dropdown chevron 鈥?鏈€楂樹紭鍏堢骇
   鐢?.site-nav 宓屽鍓嶇紑锛岀數鑴戠/鎵嬫満绔兘鐢熸晥
   ========================================== */
.site-nav .main-nav > li.has-children > a::after {
    content: '' !important;
    display: inline-block !important;
    width: 12px !important;
    height: 7px !important;
    margin-left: 6px !important;
    vertical-align: middle !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='currentColor' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-size: contain !important;
    background-position: center !important;
    transition: transform 0.22s ease !important;
    font-size: 0 !important;
    position: static !important;
}

/* 鐢佃剳绔?hover 缈?*/
.site-nav .main-nav > li.has-children:hover > a::after,
.site-nav .main-nav > li.has-children:focus-within > a::after {
    transform: rotate(180deg) !important;
}

/* 鎵嬫満绔細绠ご鎺ㄦ渶鍙?+ mobile-open 缈?*/
@media (max-width: 992px) {
    .site-nav .main-nav > li.has-children > a::after { margin-left: auto !important; }
    .site-nav .main-nav > li.mobile-open > a::after { transform: rotate(180deg) !important; }
}



/* ==========================================================================
   补丁合并区（2026-09-19 去重整理）
   ========================================================================== */

/* --- 电脑端 (>= 993px) --- */
@media (min-width: 993px) {
    .header-inner {
        justify-content: flex-start !important;
        gap: 0 !important;
    }
    .header-inner > .site-logo {
        margin-right: 24px !important;
    }
    .header-inner > .site-nav {
        margin-left: 0 !important;
        margin-right: auto !important;
    }
   
}

/* --- 手机端 (<= 992px) --- */
@media (max-width: 992px) {
    .top-bar-right {
        gap: 6px !important;
    }
    
    .site-nav .main-nav > li.has-children > a::after {
        margin-left: auto !important;
    }
    .site-nav .main-nav > li.mobile-open > a::after {
        transform: rotate(180deg) !important;
    }
}

.custom-lang-dropdown {
    display: inline-block;
    font-size: 14px;
}

/* 按钮样式：深色背景，白字 */
.lang-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #1a1a1a;        /* 深灰/黑色背景 */
    color: #ffffff;             /* 白色文字 */
    border: 1px solid #333333;   /* 稍浅的深色边框 */
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.lang-dropdown-btn:hover {
    background: #2a2a2a;        /* 按钮 Hover 反馈 */
    border-color: #444444;
}

.lang-dropdown-btn .arrow {
    font-size: 10px;
    margin-left: 4px;
    color: #cccccc;             /* 箭头颜色 */
    transition: transform 0.2s ease;
}

/* 移动到 body 后的菜单基础样式：深色面板 */
.lang-dropdown-menu-body {
    display: none;
    position: fixed !important;
    margin: 0;
    padding: 0;
    list-style: none;
    background: #222222;        /* 主背景改为深灰色 */
    border: 1px solid #333333;  /* 深色边框 */
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4); /* 加深阴影 */
    z-index: 999999 !important;
    overflow: hidden;           /* 确保圆角能截断子项悬停背景 */
}

/* 菜单链接：白色文字 */
.lang-dropdown-menu-body li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: #ffffff;             /* 链接文字改为纯白 */
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease;
}

/* 选项悬停/Focus 状态：亮黑色背景 */
.lang-dropdown-menu-body li:hover {
    background-color: #333333;  /* 悬停时的深灰色 */
}

.lang-dropdown-menu-body li:hover a {
    color: #ffffff;
}

/* 当前激活状态：加亮深色背景 + 突出显示 */
.lang-dropdown-menu-body li.active {
    font-weight: bold;
    background-color: #3d3d3d;  /* 激活项背景 */
}

.lang-dropdown-menu-body li.active a {
    color: #ffffff;
}

/* 国旗图标 */
.lang-dropdown-menu-body img.flag,
.custom-lang-dropdown img.flag {
    width: 18px;
    height: auto;
    vertical-align: middle;
}