/*
Theme Name: Kadence Child Theme
Template: kadence
Version:  v1.2.8
*/

/* ==========================================================================
   Lontion 全局样式基础配置 (继承 Kadence 核心设置)
   ========================================================================== */

:root {
	/* 容器最大宽度规范 */
    --ltn-container-max: 1280px;
	
    /* 1. 优先映射 Kadence 全局调色盘 (实现后台控制中心统一指挥) */
    --ltn-primary:          var(--global-palette1, #0284c7);
    --ltn-primary-hover:    var(--global-palette2, #0369a1);
    --ltn-text-main:        var(--global-palette3, #0f172a);
    --ltn-text-muted:       var(--global-palette4, #475569);
    --ltn-bg-main:          var(--global-palette7, #ffffff);
    --ltn-bg-alt:           var(--global-palette8, #f8fafc);
    
    /* 2. Kadence 未覆盖的工业站专属细分变量 (补丁层) */
    --ltn-primary-light:    #e0f2fe;
    --ltn-text-light:       #94a3b8;
    --ltn-border:           #e2e8f0;
    --ltn-border-hover:     #cbd5e1;

    /* 3. 基础组件物理规范 (与主题保持解耦) */
    --ltn-radius-sm: 4px;
    --ltn-radius-md: 8px;
    --ltn-radius-lg: 12px;
    --ltn-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}


/* ==========================================================================
   顶部 Top Bar样式 Header Top Bar Minimalist & Left/Right Native Layout (v1.2.6)
   ========================================================================== */

.site-top-header-wrap {
    background-color: var(--ltn-bg-alt) !important;
    border-bottom: 1px solid var(--ltn-border) !important;
    font-size: 0.8125rem !important;
    color: var(--ltn-text-muted) !important;
}

.site-top-header-wrap .site-header-main-section-left,
.site-top-header-wrap .header-html {
    font-weight: 500;
    letter-spacing: 0.02em;
}

.site-top-header-wrap a,
.site-top-header-wrap .topbar-email-link {
    color: var(--ltn-text-main) !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    font-family: monospace;
    transition: var(--ltn-transition) !important;
}

.site-top-header-wrap a:hover,
.site-top-header-wrap .topbar-email-link:hover {
    color: var(--ltn-primary) !important;
    text-decoration: underline !important;
}



/* ==========================================================================
   Lontion 导航Mega菜单 Mega Menu - Absolute Hitbox Isolation Fix
   ========================================================================== */

@media (min-width: 1025px) {

    .primary-menu-container ul.menu > li.lontion-megamenu-parent {
        position: static !important;
    }

    .primary-menu-container ul.menu > li.lontion-megamenu-parent > a {
        position: relative !important;
    }

    /* 隐形热区桥接：覆盖导航底部到菜单顶部的20px悬停轨迹，专供鼠标顺滑下移 */
    .primary-menu-container ul.menu > li.lontion-megamenu-parent:hover > a::after {
        content: '' !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        width: 100% !important;
        height: 20px !important;
        background: transparent !important;
        display: block !important;
        z-index: 99999 !important;
    }

    /* 核心修正：让 Mega 菜单精准紧贴导航栏底部，彻底消除中间的丑陋间隙 */
    .primary-menu-container ul.menu > li.lontion-megamenu-parent > .sub-menu {
        position: absolute !important;
        top: 100% !important;
        left: 50% !important;
        transform: translateX(-50%) translateY(0) !important;
        width: 100% !important;
        max-width: 1280px !important;
        background-color: var(--ltn-bg-main) !important;
        border: 1px solid var(--ltn-border) !important;
        border-radius: var(--ltn-radius-md) !important;
        box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.12), 0 10px 15px -5px rgba(15, 23, 42, 0.04) !important;
        padding: 32px 36px !important;
        box-sizing: border-box !important;
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        transition: opacity 0.15s ease, transform 0.15s ease !important;
        z-index: 99999 !important;
    }

    .primary-menu-container ul.menu > li.lontion-megamenu-parent:hover > .sub-menu {
        display: grid !important;
        grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
        gap: 36px !important;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
        transform: translateX(-50%) translateY(0) !important;
    }

    .primary-menu-container ul.menu > li.lontion-megamenu-parent > .sub-menu > li {
        margin: 0 !important;
        padding: 0 !important;
        list-style: none !important;
        background: transparent !important;
    }

    .primary-menu-container ul.menu > li.lontion-megamenu-parent > .sub-menu > li > a {
        font-weight: 700 !important;
        font-size: 0.9rem !important;
        color: var(--ltn-text-main) !important;
        text-transform: uppercase !important;
        letter-spacing: 0.04em !important;
        border-bottom: 2px solid var(--ltn-border) !important;
        padding: 0 0 10px 0 !important;
        margin-bottom: 14px !important;
        display: block !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        background: transparent !important;
    }

    .primary-menu-container ul.menu > li.lontion-megamenu-parent > .sub-menu > li > a:hover {
        border-color: var(--ltn-primary) !important;
        color: var(--ltn-primary) !important;
        background: transparent !important;
    }

    .primary-menu-container ul.menu > li.lontion-megamenu-parent > .sub-menu > li > .sub-menu {
        position: static !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
        background: transparent !important;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
        transform: none !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 8px !important;
    }

    .primary-menu-container ul.menu > li.lontion-megamenu-parent > .sub-menu > li > .sub-menu li {
        margin: 0 !important;
        padding: 0 !important;
        list-style: none !important;
        background: transparent !important;
    }

    .primary-menu-container ul.menu > li.lontion-megamenu-parent > .sub-menu > li > .sub-menu li a {
        font-size: 0.85rem !important;
        font-weight: 400 !important;
        color: var(--ltn-text-muted) !important;
        padding: 4px 0 !important;
        background: transparent !important;
        display: inline-block !important;
        transition: color 0.15s ease, transform 0.15s ease !important;
    }

    .primary-menu-container ul.menu > li.lontion-megamenu-parent > .sub-menu > li > .sub-menu li a:hover {
        color: var(--ltn-primary) !important;
        background: transparent !important;
        transform: translateX(4px) !important;
    }

    .primary-menu-container ul.menu > li.lontion-megamenu-parent .sub-menu li.current-menu-item > a,
    .primary-menu-container ul.menu > li.lontion-megamenu-parent .sub-menu li.current_page_item > a,
    .primary-menu-container ul.menu > li.lontion-megamenu-parent .sub-menu li.current-menu-ancestor > a {
        background-color: transparent !important;
        background: transparent !important;
        color: var(--ltn-primary) !important;
        font-weight: 600 !important;
    }
}

/* ==========================================================================
   Lontion 导航单列下拉菜单样式 Standard Single-Column Dropdown Styling
   ========================================================================== */

@media (min-width: 1025px) {

    .primary-menu-container ul.menu > li:not(.lontion-megamenu-parent) .sub-menu {
        background-color: var(--ltn-bg-main) !important;
        border: 1px solid var(--ltn-border) !important;
        border-radius: var(--ltn-radius-md) !important;
        box-shadow: 0 15px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04) !important;
        padding: 8px 0 !important;
        min-width: 220px !important;
        margin: 0 !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        transform: translateY(8px) !important;
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s !important;
        transition-delay: 0.08s !important;
        z-index: 9999 !important;
    }

    .primary-menu-container ul.menu > li:not(.lontion-megamenu-parent):hover > .sub-menu {
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
        transform: translateY(0) !important;
        transition-delay: 0s !important;
    }

    .primary-menu-container ul.menu > li:not(.lontion-megamenu-parent) > a::after {
        content: '' !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        width: 100% !important;
        height: 16px !important;
        background: transparent !important;
        display: block !important;
    }

    .primary-menu-container ul.menu > li:not(.lontion-megamenu-parent) .sub-menu li {
        margin: 0 !important;
        padding: 0 !important;
        list-style: none !important;
        background: transparent !important;
    }

    .primary-menu-container ul.menu > li:not(.lontion-megamenu-parent) .sub-menu li a {
        font-size: 0.875rem !important;
        font-weight: 500 !important;
        color: var(--ltn-text-muted) !important;
        padding: 9px 20px !important;
        display: block !important;
        background: transparent !important;
        transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease !important;
        box-shadow: none !important;
    }

    .primary-menu-container ul.menu > li:not(.lontion-megamenu-parent) .sub-menu li a:hover {
        background-color: var(--ltn-bg-alt) !important;
        color: var(--ltn-primary) !important;
        transform: translateX(3px) !important;
    }

    .primary-menu-container ul.menu > li:not(.lontion-megamenu-parent) .sub-menu li.current-menu-item > a,
    .primary-menu-container ul.menu > li:not(.lontion-megamenu-parent) .sub-menu li.current_page_item > a {
        background: transparent !important;
        color: var(--ltn-primary) !important;
        font-weight: 600 !important;
    }
}


/* =================================================================
   Lontion头部和导航字体 Custom Header & Navigation Typography Control
   ================================================================ */

.site-navigation, 
.kadence-navigation-link, 
.header-navigation .menu-item > a,
.site-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.site-header .header-navigation .menu-item > a {
    font-weight: 400 !important;
    font-size: 14.5px !important;
    color: var(--ltn-text-muted, #52606d) !important;
    letter-spacing: 0.02em !important;
    transition: color 0.2s ease !important;
}

.site-header .header-navigation .menu-item > a:hover {
    color: var(--ltn-text-main, #0f172a) !important;
}

.site-header .site-header-row.site-header-main-row,
.site-header .entry-hero-header-row {
    padding-top: 8px !important;
    padding-bottom: 8px !important;
}


/* =================================================================
   Lontion Navigation Active & Sub-menu State Styling
   ================================================================ */

.site-header .header-navigation .menu-item.current-menu-item > a,
.site-header .header-navigation .menu-item.current-menu-ancestor > a,
.site-header .header-navigation .menu-item.current-menu-parent > a {
    color: var(--ltn-primary, #0284c7) !important;
    font-weight: 600 !important;
}

.site-header .header-navigation .sub-menu {
    border: 1px solid var(--ltn-border, #e2e8f0);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
    border-radius: var(--ltn-radius-md, 6px);
    padding: 8px 0;
    background: #ffffff;
}

.site-header .header-navigation .sub-menu .menu-item > a {
    font-size: 13.5px !important;
    padding: 8px 16px !important;
    color: var(--ltn-text-muted, #52606d) !important;
    transition: all 0.15s ease !important;
}

.site-header .header-navigation .sub-menu .menu-item > a:hover,
.site-header .header-navigation .sub-menu .menu-item.current-menu-item > a {
    color: var(--ltn-primary, #0284c7) !important;
    background-color: var(--ltn-bg-alt, #f8fafc) !important;
    font-weight: 600 !important;
}


/* ==========================================================================
   Lontion 产品归档页样式
   ========================================================================== */

.lontion-products-archive-container {
    padding-top: 40px;
    padding-bottom: 70px;
    background-color: var(--ltn-bg-alt);
}

/* 列表顶部标题区 */
.archive-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 45px auto;
}

.archive-header .archive-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--ltn-text-main);
    margin-bottom: 12px;
}

.archive-header .archive-description {
    font-size: 1.05rem;
    color: var(--ltn-text-muted);
    line-height: 1.6;
}

/* 响应式网格布局 (1列 -> 2列 -> 3列) */
.lontion-products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 640px) {
    .lontion-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .lontion-products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 单个产品卡片样式 */
.product-card-item {
    background: var(--ltn-bg-main);
    border: 1px solid var(--ltn-border);
    border-radius: var(--ltn-radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--ltn-transition);
}

.product-card-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px -5px rgba(0, 0, 0, 0.08);
}

/* 卡片缩略图包装框 */
.card-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 66.66%; /* 3:2 宽高比 */
    background-color: var(--ltn-bg-alt);
    overflow: hidden;
}

.card-image-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card-item:hover .card-image-wrapper img {
    transform: scale(1.04);
}

.card-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ltn-text-light);
    font-size: 0.9rem;
}

.card-code-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(15, 23, 42, 0.85);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: var(--ltn-radius-sm);
    backdrop-filter: blur(4px);
}

/* 卡片内容主体 */
.card-content-wrapper {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.card-title a {
    color: var(--ltn-text-main);
    text-decoration: none;
    transition: color 0.2s;
}

.card-title a:hover {
    color: var(--ltn-primary);
}

/* 规格短标签 */
.card-specs-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.825rem;
    color: var(--ltn-text-muted);
}

.spec-tag {
    background-color: var(--ltn-bg-alt);
    padding: 3px 8px;
    border-radius: var(--ltn-radius-sm);
    border: 1px solid var(--ltn-border);
}

.card-excerpt {
    font-size: 0.9rem;
    color: var(--ltn-text-muted);
    line-height: 1.5;
    margin-bottom: 20px;
}

/* 底部按钮固定到底部 */
.card-footer {
    margin-top: auto;
    border-top: 1px solid var(--ltn-border);
    padding-top: 15px;
}

.card-link-btn {
    display: inline-block;
    width: 100%;
    text-align: center;
    background-color: var(--ltn-primary);
    color: #ffffff !important;
    border: 1px solid var(--ltn-primary);
    padding: 8px 16px;
    border-radius: var(--ltn-radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--ltn-transition);
}

.card-link-btn:hover {
    background-color: var(--ltn-primary-hover);
    border-color: var(--ltn-primary-hover);
    color: #ffffff !important;
}

/* 分页控件样式 */
.lontion-pagination {
    margin-top: 50px;
    text-align: center;
}

.lontion-pagination .nav-links {
    display: inline-flex;
    gap: 8px;
}

.lontion-pagination a,
.lontion-pagination span {
    padding: 8px 14px;
    background: var(--ltn-bg-main);
    border: 1px solid var(--ltn-border-hover);
    border-radius: var(--ltn-radius-sm);
    color: var(--ltn-text-muted);
    text-decoration: none;
    font-weight: 500;
}

.lontion-pagination .current {
    background: var(--ltn-primary);
    color: #ffffff;
    border-color: var(--ltn-primary);
}



/* ==========================================================================
   Lontion 产品单页自定义样式
   ========================================================================== */

.lontion-product-single-container {
    padding-top: 40px;
    padding-bottom: 60px;
}

.product-header {
    border-bottom: 2px solid var(--ltn-border);
    padding-bottom: 15px;
    margin-bottom: 30px;
}

.product-header .product-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--ltn-text-main);
    margin-bottom: 8px;
}

.product-code-badge {
    display: inline-block;
    background-color: var(--ltn-bg-alt);
    color: var(--ltn-text-muted);
    padding: 4px 10px;
    border-radius: var(--ltn-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

/* 主展示网格（响应式适配） */
.product-hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

@media (min-width: 768px) {
    .product-hero-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* 左侧图片样式 */
.product-gallery-wrapper .main-image img {
    width: 100%;
    height: auto;
    border-radius: var(--ltn-radius-md);
    border: 1px solid var(--ltn-border);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

/* 右侧参数表与询价卡片 */
.quick-specs-card {
    background-color: var(--ltn-bg-alt);
    border: 1px solid var(--ltn-border);
    border-radius: var(--ltn-radius-sm);
    padding: 20px;
    margin: 20px 0;
}

.quick-specs-card h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--ltn-text-main);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table th, 
.specs-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--ltn-border-hover);
    font-size: 0.95rem;
}

.specs-table th {
    color: var(--ltn-text-muted);
    font-weight: 600;
    width: 45%;
}

.specs-table td {
    color: var(--ltn-text-main);
    font-weight: 500;
}

/* 询价按钮样式 */
.lontion-inquiry-btn {
    display: inline-block;
    width: 100%;
    text-align: center;
    background-color: var(--ltn-primary);
    color: #ffffff !important;
    padding: 14px 24px;
    border-radius: var(--ltn-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--ltn-transition);
}

.lontion-inquiry-btn:hover {
    background-color: var(--ltn-primary-hover);
}

/* 下方详情主体样式 */
.product-content-body {
    border-top: 1px solid var(--ltn-border);
    padding-top: 40px;
}


/* ==========================================================================
   Lontion CPT关联样式 CPT Relations Styling
   ========================================================================== */

/* 内联关联链接 */
.relation-inline-link {
    color: var(--ltn-primary);
    font-weight: 600;
    text-decoration: none;
}

.relation-inline-link:hover {
    text-decoration: underline;
}

/* 关联区块容器 */
.related-cpt-section {
    margin: 40px 0;
    padding-top: 30px;
    border-top: 1px solid var(--ltn-border);
}

.related-cpt-section .section-title,
.related-products-section .section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ltn-text-main);
    margin-bottom: 25px;
}

/* 关联应用场景卡片网格 */
.relation-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.relation-card {
    background: var(--ltn-bg-main);
    border: 1px solid var(--ltn-border);
    border-radius: var(--ltn-radius-sm);
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 12px;
    gap: 15px;
    transition: var(--ltn-transition);
}

.relation-card:hover {
    border-color: var(--ltn-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.relation-card-media {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
}

.relation-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--ltn-radius-sm);
}

.relation-card-content h3 {
    font-size: 1rem;
    margin: 0 0 4px 0;
}

.relation-card-content h3 a {
    color: var(--ltn-text-main);
    text-decoration: none;
}

.relation-readmore {
    font-size: 0.8rem;
    color: var(--ltn-primary);
    font-weight: 600;
    text-decoration: none;
}


/* ==========================================================================
   Lontion 面包屑统一样式 (Matched with Material & Product Style)
   ========================================================================== */

/* 外层容器：严格匹配 Kadence 1280px 页面宽度与两侧安全边距 */
.breadcrumb-wrapper-container {
    max-width: 1280px;
    margin: 0 auto 24px auto;
    padding: 0 20px;
    box-sizing: border-box;
}

nav.lontion-breadcrumbs {
    font-size: 14px;
    color: var(--ltn-text-muted, #64748b);
    margin-bottom: 0;
}

nav.lontion-breadcrumbs ol,
nav.lontion-breadcrumbs ul {
    list-style: none !important;
    list-style-type: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    justify-content: flex-start !important;
}

nav.lontion-breadcrumbs li {
    display: inline-flex !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
    background: none !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
}

nav.lontion-breadcrumbs li a {
    color: var(--ltn-text-muted, #64748b) !important;
    text-decoration: none !important;
    box-shadow: none !important;
    border: none !important;
    transition: color 0.2s ease;
}

nav.lontion-breadcrumbs li a:hover {
    color: var(--ltn-primary, #2563eb) !important;
    text-decoration: underline !important;
}

/* 当前页标题样式 */
nav.lontion-breadcrumbs li span.breadcrumb-current,
nav.lontion-breadcrumbs li.active {
    color: var(--ltn-text-main, #0f172a) !important;
    font-weight: 600 !important;
}

/* 箭头分隔符样式 */
nav.lontion-breadcrumbs .delimiter {
    margin: 0 10px !important;
    color: var(--ltn-text-light, #94a3b8) !important;
    font-size: 12px !important;
    display: inline-block !important;
}




/* ==========================================================================
   Lontion B2B Dark Industrial Footer Widget Styling
   ========================================================================== */

.site-footer {
    background-color: var(--ltn-text-main) !important;
    color: var(--ltn-text-light) !important;
    border-top: 3px solid var(--ltn-primary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.site-footer .widget-area {
    padding-top: 50px;
    padding-bottom: 40px;
}

.site-footer .widget {
    margin-bottom: 24px;
}

.site-footer h6.widget-title,
.site-footer .widget-title {
    color: #ffffff !important;
    font-size: 1.05rem !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 20px !important;
    padding-bottom: 10px;
    position: relative;
    display: inline-block;
}

.site-footer h6.widget-title::after,
.site-footer .widget-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 2px;
    background-color: var(--ltn-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.site-footer .widget:hover h6.widget-title::after {
    width: 48px;
}

.site-footer ul {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.site-footer ul li {
    margin: 0 !important;
    padding: 0 !important;
    position: relative;
    display: flex;
    align-items: center;
}

.site-footer ul li a,
.site-footer a {
    color: var(--ltn-text-light) !important;
    text-decoration: none !important;
    font-weight: 400;
    font-size: 0.9rem;
    transition: var(--ltn-transition);
    display: inline-flex;
    align-items: center;
}

.site-footer ul li a:hover,
.site-footer a:hover {
    color: #38bdf8 !important;
    transform: translateX(5px);
}

.site-footer .widget_nav_menu ul li a::before,
.site-footer .widget_pages ul li a::before,
.site-footer .widget_archive ul li a::before,
.site-footer .widget_categories ul li a::before {
    content: "›";
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--ltn-primary);
    margin-right: 8px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.site-footer .widget_nav_menu ul li a:hover::before {
    color: #38bdf8;
    transform: translateX(2px);
}

.site-footer p {
    color: var(--ltn-text-light);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.site-footer .site-footer-row-bottom {
    border-top: 1px solid #1e293b !important;
    background-color: #0b1329 !important;
    padding: 20px 0;
    font-size: 0.85rem;
    color: var(--ltn-text-light);
}

.site-footer .site-footer-row-bottom a {
    color: var(--ltn-text-light) !important;
}

.site-footer .site-footer-row-bottom a:hover {
    color: #38bdf8 !important;
}


/* ==========================================================================
    Fluent表单 Fluent Forms Industrial Minimalist & Variable Styling
   ========================================================================== */

.fluentform ::placeholder {
    color: var(--ltn-text-light) !important;
    opacity: 0.7 !important;
    font-size: 0.9rem;
}

.fluentform .ff-el-form-control {
    border-color: var(--ltn-border) !important;
    border-radius: var(--ltn-radius-md) !important;
    transition: var(--ltn-transition) !important;
}

.fluentform .ff-el-form-control:focus {
    border-color: var(--ltn-primary) !important;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15) !important;
}


/* ==========================================================================
   Card & Search Button Full-State Contrast Fix (v1.2.6 High-Priority)
   ========================================================================== */

.read-more-btn,
.card-link-btn,
.search-card .read-more-btn,
a.read-more-btn,
a.read-more-btn:link,
a.read-more-btn:visited,
a.read-more-btn:active,
a.card-link-btn,
a.card-link-btn:link,
a.card-link-btn:visited,
a.card-link-btn:active {
    background-color: var(--ltn-primary) !important;
    color: #ffffff !important;
    border-color: var(--ltn-primary) !important;
    text-decoration: none !important;
}

.read-more-btn:hover,
.read-more-btn:focus,
.card-link-btn:hover,
.card-link-btn:focus,
a.read-more-btn:hover,
a.read-more-btn:focus,
a.read-more-btn:visited:hover,
a.card-link-btn:hover,
a.card-link-btn:focus,
a.card-link-btn:visited:hover {
    background-color: var(--ltn-primary-hover) !important;
    color: #ffffff !important;
    border-color: var(--ltn-primary-hover) !important;
    opacity: 0.95;
}



/* =================================================================
   Mobile Overflow & Grid Fixes (Prevent Horizontal Scrolling)
   ================================================================ */

@media (max-width: 768px) {
    .lontion-archive-grid,
    .hp-cpt-card,
    .site-main-content {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .lontion-archive-grid *, 
    .hp-cpt-card * {
        max-width: 100%;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    body, html {
        overflow-x: hidden !important;
        width: 100% !important;
    }
}


/* ==========================================================================
   Lontion Custom Contact Page & RFQ Section (Unified & Class-Matched)
   ========================================================================== */

/* 1. 外层主区块 */
.ltn-contact-section {
    padding: 60px 0;
    background-color: var(--ltn-bg-main, #ffffff);
}

/* 2. 网格布局：PC端 2 列 (1:1.2)，移动端 1 列 */
.ltn-contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 24px;
}

@media (min-width: 992px) {
    .ltn-contact-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: 48px;
        align-items: start;
    }
}

/* 3. 左侧：公司信息卡片 (完全对齐 .ltn-contact-card) */
.ltn-contact-card {
    background: var(--ltn-bg-alt, #f8fafc);
    border: 1px solid var(--ltn-border, #e2e8f0);
    border-radius: var(--ltn-radius-md, 8px);
    padding: 36px 32px;
    box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.03);
}

.ltn-contact-card h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--ltn-text-main, #0f172a);
    margin-bottom: 12px;
}

.ltn-contact-card p.ltn-lead {
    font-size: 15px;
    color: var(--ltn-text-muted, #475569);
    line-height: 1.6;
    margin-bottom: 28px;
}

/* 联系信息列表 */
.ltn-contact-list,
.ltn-contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    border-top: 1px solid var(--ltn-border, #e2e8f0);
    padding-top: 24px;
}

.ltn-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.ltn-contact-icon {
    width: 42px;
    height: 42px;
    background: #e0f2fe;
    color: #0284c7;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.ltn-contact-text label,
.ltn-contact-detail label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #94a3b8;
    margin-bottom: 2px;
    font-weight: 600;
}

.ltn-contact-text a,
.ltn-contact-text span,
.ltn-contact-detail a,
.ltn-contact-detail span {
    font-size: 15px;
    color: var(--ltn-text-main, #0f172a);
    font-weight: 600;
    text-decoration: none;
    line-height: 1.5;
}

.ltn-contact-text a:hover,
.ltn-contact-detail a:hover {
    color: #0284c7;
}

/* 信任背书框 (Trust Box) */
.ltn-contact-trust-box {
    margin-top: 28px;
    background: #ffffff;
    border: 1px solid var(--ltn-border, #e2e8f0);
    border-left: 3px solid #0284c7;
    padding: 16px;
    border-radius: 0 6px 6px 0;
}

.ltn-contact-trust-box p {
    font-size: 13.5px;
    color: #475569;
    margin: 0;
    line-height: 1.5;
}

/* 4. 右侧：Fluent Forms 询价表单包装 */
.ltn-contact-form-wrap {
    background: #ffffff;
    border: 1px solid var(--ltn-border, #e2e8f0);
    border-radius: var(--ltn-radius-md, 8px);
    padding: 36px 32px;
    box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
}

.ltn-contact-form-wrap h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--ltn-text-main, #0f172a);
}


/* ==========================================================================
   Contact 页面移动端安全响应式 Patch (安全限定在 .ltn-contact-section 内)
   ========================================================================== */
@media screen and (max-width: 768px) {

    /* 1. 调整卡片内边距 */
    .ltn-contact-card,
    .ltn-contact-form-wrap {
        padding: 24px 20px !important;
    }

    /* 2. 重置 Contact 内部容器，防止窄屏下被截断 */
    .ltn-contact-section .contact-left,
    .ltn-contact-section .contact-right,
    .ltn-contact-section .contact-info-block,
    .ltn-contact-section .contact-form-block,
    .ltn-contact-section .wp-block-column {
        width: 100% !important;
        max-width: 100% !important;
        flex: 0 0 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
    }

    /* 3. 修复 Fluent Forms 表单控件与提交按钮宽度 */
    .ltn-contact-form-wrap .fluentform,
    .ltn-contact-form-wrap .fluentform *,
    .ltn-contact-form-wrap .ff-el-form-control,
    .ltn-contact-form-wrap .ff-btn-submit,
    .ltn-contact-form-wrap .ff-btn {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* 4. 提交按钮 100% 居中及自动换行 */
    .ltn-contact-form-wrap .ff-btn-submit,
    .ltn-contact-form-wrap button[type="submit"] {
        width: 100% !important;
        white-space: normal !important;
        height: auto !important;
        padding: 12px 15px !important;
        font-size: 15px !important;
        line-height: 1.3 !important;
        text-align: center !important;
    }

    /* 5. 局限于 Contact 区块内部文本折行处理，防止全站污染 */
    .ltn-contact-section p,
    .ltn-contact-section span,
    .ltn-contact-section a,
    .ltn-contact-section h1,
    .ltn-contact-section h2,
    .ltn-contact-section h3 {
        word-break: break-word !important;
        overflow-wrap: break-word !important;
    }
}


/* =================================================_
   Lontion Single Product Page Styles 产品单页样式
   ================================================= */

/* 1. 全局容器与两栏首屏布局 */
.product-single-container {
    max-width: 1280px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #1f2937;
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
    margin-bottom: 60px;
}

@media (max-width: 768px) {
    .grid-2-col {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* 2. 左侧图片区 */
.product-gallery .main-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
}

/* 3. 右侧核心元数据与转化区 */
.meta-badges {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.badge {
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 4px;
}

.badge-material {
    background-color: #eff6ff;
    color: #1d4ed8;
    border: 1px. solid #bfdbfe;
}

.badge-purity {
    background-color: #f0fdf4;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.product-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 10px 0;
    color: #111827;
}

.product-code {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 15px;
}

.primary-feature-tag {
    display: inline-block;
    background-color: #f3f4f6;
    color: #374151;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 15px;
}

.short-description p {
    font-size: 15px;
    line-height: 1.6;
    color: #4b5563;
    margin-bottom: 20px;
}

.customization-notice {
    font-size: 14px;
    color: #047857;
    background-color: #ecfdf5;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 25px;
    border-left: 4px solid #10b981;
}

/* 按钮组 */
.product-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background-color: #2563eb;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

.btn-secondary {
    background-color: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background-color: #e5e7eb;
}

/* 4. 深度工程参数区 (Tabs & Tables) */
.product-specifications-section {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.tab-nav {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0 0 25px 0;
    border-bottom: 2px solid #e5e7eb;
    gap: 30px;
}

.tab-nav li a {
    display: block;
    padding: 10px 0;
    text-decoration: none;
    color: #6b7280;
    font-weight: 600;
    font-size: 16px;
    position: relative;
    transition: color 0.2s;
}

.tab-nav li.active a,
.tab-nav li a:hover {
    color: #2563eb;
}

.tab-nav li.active a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #2563eb;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #111827;
}

/* 工程参数表格 */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.spec-table tr {
    border-bottom: 1px solid #f3f4f6;
}

.spec-table tr:hover {
    background-color: #f9fafb;
}

.spec-table th, 
.spec-table td {
    padding: 14px 16px;
    text-align: left;
    font-size: 14px;
}

.spec-table th {
    width: 35%;
    color: #374151;
    font-weight: 600;
    background-color: #f9fafb;
}

.spec-table td {
    color: #4b5563;
}


/* ==========================================================================
   Lontion Single Product High-End Layout Styling 产品单页升级版
   ========================================================================== */

.product-single-page {
    background-color: #f8fafc;
    padding-bottom: 60px;
}

.section-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 1. Hero Section */
.product-hero-section {
    background: #ffffff;
    padding: 40px 0;
    border-bottom: 1px solid #e2e8f0;
}

.product-hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

@media (max-width: 900px) {
    .product-hero-container {
        grid-template-columns: 1fr;
    }
}

/* CAD Blueprint Placeholder Box */
.cad-blueprint-box {
    position: relative;
    background: #0f172a;
    border-radius: 8px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid #334155;
}

.cad-blueprint-box.small-box {
    height: 300px;
}

.blueprint-grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

.blueprint-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(37, 99, 235, 0.2);
    color: #60a5fa;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid rgba(96, 165, 250, 0.3);
}

.blueprint-content-placeholder {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #94a3b8;
    padding: 20px;
}

.cad-icon {
    width: 48px;
    height: 48px;
    stroke: #38bdf8;
    margin-bottom: 12px;
}

.blueprint-content-placeholder span {
    display: block;
    color: #f1f5f9;
    font-weight: 500;
    font-size: 15px;
}

.blueprint-hint {
    font-size: 12px;
    color: #64748b;
    margin-top: 6px;
}

/* Right Summary Column */
.product-tagline-badge {
    display: inline-block;
    background: #eff6ff;
    color: #2563eb;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.product-main-title {
    font-size: 2.25rem;
    color: #0f172a;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 12px;
}

.product-meta-code {
    font-size: 0.95rem;
    color: #64748b;
    margin-bottom: 20px;
}

.product-meta-code .value {
    color: #0f172a;
    font-weight: 600;
    font-family: monospace;
}

.product-short-overview {
    color: #475569;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.product-action-buttons {
    display: flex;
    gap: 15px;
}

.btn-primary-lontion {
    background: #2563eb;
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-primary-lontion:hover {
    background: #1d4ed8;
    color: #ffffff;
}

.btn-secondary-lontion {
    background: #ffffff;
    color: #0f172a;
    border: 1px solid #cbd5e1;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-secondary-lontion:hover {
    border-color: #2563eb;
    color: #2563eb;
}

/* 2. Specs Matrix Section */
.product-specs-section {
    padding: 60px 0;
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
}

.section-title {
    font-size: 1.75rem;
    color: #0f172a;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
}

.section-subtitle {
    text-align: center;
    color: #64748b;
    margin-bottom: 40px;
}

.specs-grid-table {
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}

.spec-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid #e2e8f0;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row:nth-child(even) {
    background: #f8fafc;
}

.spec-name, .spec-value {
    padding: 14px 20px;
    font-size: 0.95rem;
}

.spec-name {
    font-weight: 600;
    color: #334155;
    border-right: 1px solid #e2e8f0;
}

.spec-value {
    color: #0f172a;
}

/* 3. Machining Section */
.product-machining-section {
    padding: 60px 0;
    background: #f1f5f9;
}

.machining-grid-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

@media (max-width: 900px) {
    .machining-grid-wrapper {
        grid-template-columns: 1fr;
    }
}

.sub-heading {
    display: block;
    color: #2563eb;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.machining-info h2 {
    font-size: 1.75rem;
    color: #0f172a;
    margin-bottom: 16px;
}

.machining-info p {
    color: #475569;
    line-height: 1.6;
    margin-bottom: 20px;
}

.machining-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.machining-features-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    color: #334155;
    font-weight: 500;
}

.machining-features-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

/* 4. Downloads Section */
.product-downloads-section {
    padding: 60px 0;
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
}

.downloads-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .downloads-cards-grid {
        grid-template-columns: 1fr;
    }
}

.download-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #f8fafc;
    transition: all 0.2s;
}

.download-card:hover {
    border-color: #2563eb;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.doc-icon {
    width: 48px;
    height: 48px;
    background: #fee2e2;
    color: #dc2626;
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    flex-shrink: 0;
}

.doc-icon.cad-icn {
    background: #e0f2fe;
    color: #0284c7;
}

.doc-details h4 {
    font-size: 1rem;
    color: #0f172a;
    margin: 0 0 4px 0;
}

.doc-details p {
    font-size: 0.85rem;
    color: #64748b;
    margin: 0;
}

.btn-download-link {
    margin-left: auto;
    font-size: 0.85rem;
    font-weight: 600;
    color: #2563eb;
    text-decoration: none;
    white-space: nowrap;
}

.btn-download-link:hover {
    text-decoration: underline;
}

/* 5. Inquiry Section */
.product-inquiry-section {
    padding: 60px 0;
    background: #f8fafc;
}

.inquiry-box-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05);
}

.inquiry-header {
    text-align: center;
    margin-bottom: 30px;
}

.inquiry-header h2 {
    font-size: 1.5rem;
    color: #0f172a;
    margin-bottom: 8px;
}

.inquiry-header p {
    color: #64748b;
    font-size: 0.95rem;
}

.fluent-form-placeholder-box {
    background: #f1f5f9;
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    color: #64748b;
    font-family: monospace;
}


/* 后台真实图片渲染容器 */
.product-real-image-box {
    position: relative;
    background: #ffffff;
    border-radius: 8px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.product-real-image-box.small-box {
    height: 300px;
}

.product-real-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 保证图片高品质铺满 */
    transition: transform 0.3s ease;
}

.product-real-image-box img:hover {
    transform: scale(1.02);
}

/* single product * 底部表单提示 * */
.drawing-tip-note {
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: 6px;
    padding: 12px 16px;
    margin-top: 15px;
    font-size: 0.88rem;
    color: #0369a1;
    text-align: left;
    line-height: 1.5;
}

.drawing-tip-note strong {
    color: #0284c7;
    display: block;
    margin-bottom: 2px;
}


/* ==========================================================================
   Precision 2D Blueprint Card Style & Interactive CAD Viewport (Unified)
   ========================================================================== */

/* 1. 外层工业卡片 */
.blueprint-card-container {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.blueprint-card-container:hover {
    border-color: #94a3b8;
    box-shadow: 0 15px 35px -10px rgba(15, 23, 42, 0.12);
}

/* 2. 顶部深色科技控制条 */
.blueprint-card-topbar {
    background: #0f172a;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: monospace;
    font-size: 0.75rem;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #38bdf8;
    border-radius: 50%;
    box-shadow: 0 0 8px #38bdf8;
}

.blueprint-card-tag {
    color: #f8fafc;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.blueprint-card-info {
    color: #94a3b8;
}

/* 3. 交互式 CAD 视口底座 (已优化高度 400px，消除上下留白) */
.blueprint-interactive-viewport {
    background: #ffffff;
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: default;
    user-select: none;
    padding: 8px;
}

.blueprint-interactive-viewport:hover {
    cursor: grab;
}

.blueprint-interactive-viewport:active {
    cursor: grabbing;
}

/* 变形目标容器 (用于承载缩放与平移) */
.blueprint-transform-target {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform-origin: 0 0;
    transition: transform 0.05s ease-out;
}

.svg-drawing-viewport,
.raster-drawing-img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* 4. 顶部操作按钮区 */
.drawing-actions {
    display: flex;
    gap: 10px;
}

.blueprint-action-btn {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    color: #334155;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.blueprint-action-btn:hover {
    background: #f1f5f9;
    border-color: #94a3b8;
}

.blueprint-action-btn.primary {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
}

.blueprint-action-btn.primary:hover {
    background: #1e293b;
}


/* ==========================================================================
   Blueprint Lightbox Modal Styles (全屏弹窗)
   ========================================================================== */

.blueprint-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.blueprint-modal.is-active {
    visibility: visible;
    opacity: 1;
}

.blueprint-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.88);
}

.blueprint-modal-content {
    position: relative;
    z-index: 2;
    width: 92vw;
    height: 90vh;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.blueprint-modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    z-index: 10;
    background: #0f172a;
    color: #ffffff;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.blueprint-modal-close:hover {
    background: #0284c7;
}

.blueprint-modal-body {
    width: 100%;
    height: 100%;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
}

.blueprint-modal-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}


/* 默认情况下，在桌面端显示 3D 视口，隐藏移动端提示 */
.desktop-3d-viewport {
    display: block;
}
.mobile-fallback-viewport {
    display: none;
}

/* 当屏幕小于 768px（手机端/平板竖屏）时触发 */
@media screen and (max-width: 768px) {
    /* 隐藏沉重的 3D 视口，防止手机浏览器崩溃或无响应 */
    .desktop-3d-viewport {
        display: none !important;
    }
    /* 显示为轻量、秒开的 2D 工程图纸或实拍图替代区 */
    .mobile-fallback-viewport {
        display: block !important;
    }
}