/* --------------------------------------------------------------------------
   2. 产品主体 Hero 核心格栅 (Product Hero Core Grid)
   -------------------------------------------------------------------------- */
body.single-products .td-product-hero {
    display: grid !important;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr) !important;
    gap: clamp(24px, 4vw, 48px) !important;
    align-items: start !important;

    width: 100%;
    max-width: var(--td-container-width);
    margin: 0 auto 20px;
    padding: 10px 20px 30px;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    body.single-products .td-product-hero {
        padding-left: 16px;
        padding-right: 16px;
    }
}

.td-product-hero .td-hero-left-media {
    overflow: visible !important; 
    display: flex !important;
    flex-direction: column !important;
    background: transparent !important;
    padding: 0;
    width: 100%;
}

.td-product-hero .td-hero-main-window {
    width: 100%;
    overflow: hidden;
    background: transparent;
    margin-bottom: 12px;
    box-sizing: border-box;
}

.td-product-hero .td-hero-main-window img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.td-hero-right-meta {
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    padding-top: 5px;
    width: 100%;
}

.td-hero-model-tag {
    font-size: 13px;
    font-weight: normal; 
    color: var(--theme-palette-color-5, #4A4F55); 
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.td-hero-title {
    font-size: clamp(30px, 3vw, 42px);
    font-weight: 800;
    line-height: 1.12;
    color: var(--theme-heading-color, #1F2327);
    margin: 0 0 18px 0;
}

.td-hero-slogan {
    font-size: 16px;
    font-weight: 500;
    color: var(--theme-palette-color-5, #4A4F55);
    margin: 0 0 35px 0;
    line-height: 1.4;
}

.td-hero-short-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--theme-text-color, #4A4F55);
    margin: 0 0 30px 0;
}

.td-hero-quick-specs {
    margin: 0 0 35px 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
}

.td-quick-spec-block {
    display: flex;
    flex-direction: column;
    padding-right: 24px;
    margin-right: 24px;
    border-right: 1px solid var(--theme-palette-color-6, #EDEFF2);
    box-sizing: border-box;
}

.td-quick-spec-block:last-child {
    border-right: none;
    padding-right: 0;
    margin-right: 0;
}

.td-quick-spec-block .td-quick-spec-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--theme-palette-color-5, #4A4F55); 
    margin-bottom: 6px;
}

.td-quick-spec-block .td-quick-spec-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--theme-heading-color, #1F2327); 
    white-space: nowrap;
}

/* --------------------------------------------------------------------------
   3. CTA 核心响应组 (Hero CTA Group)
   -------------------------------------------------------------------------- */
.td-hero-cta-group {
    display: flex;
    gap: 15px;
    align-items: center;
}

.td-hero-cta-group .td-btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 32px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border: 1px solid transparent;
    border-radius: 0px; 
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.25s ease;
}

.td-hero-cta-group .td-btn-cta,
.td-hero-cta-group .td-btn-cta:hover {
    transform: none;
    box-shadow: none;
}

.td-btn-cta:focus-visible {
    outline: 2px solid var(--theme-palette-color-1, #F14000);
    outline-offset: 2px;
}

.td-hero-cta-group a.td-btn-primary {
    background-color: var(--theme-palette-color-1, #F14000); 
    color: var(--theme-palette-color-8, #FFFFFF);
}

.td-hero-cta-group a.td-btn-primary:hover {
    background-color: var(--theme-palette-color-2, #FF5C26) !important; 
    color: var(--theme-palette-color-8, #FFFFFF);
}

.entry-content .td-hero-cta-group a.td-btn-whatsapp,
.td-hero-cta-group a.td-btn-whatsapp {
    background-color: var(--theme-palette-color-4, #2B2F33); 
    color: var(--theme-palette-color-8, #FFFFFF);
}

.entry-content .td-hero-cta-group a.td-btn-whatsapp:hover,
.td-hero-cta-group a.td-btn-whatsapp:hover {
    background-color: var(--theme-palette-color-7, #F7F8F9); 
    color: var(--theme-palette-color-4, #2B2F33); 
    border-color: var(--theme-palette-color-5, #4A4F55);
}

/* --------------------------------------------------------------------------
   4. 多媒体画廊与灯箱 (Gallery, Video & Lightbox Remedies)
   -------------------------------------------------------------------------- */
.td-hero-gallery-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    width: 100%;
    margin-top: 20px;
}

.td-hero-gallery-grid .td-gallery-thumb-item {
    flex: 0 0 calc((100% - 36px) / 4);
    aspect-ratio: 4 / 3;
    overflow: hidden;
    position: relative;
    background: transparent; 
    box-sizing: border-box;
}

.td-hero-gallery-grid .td-thumb-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    cursor: pointer;
}

.td-hero-gallery-grid .td-thumb-link img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: transparent;
    opacity: 0.6;
    transition: opacity 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.td-hero-gallery-grid .td-gallery-thumb-item.is-active img,
.td-hero-gallery-grid .td-gallery-thumb-item:hover img {
    opacity: 1;
}

.td-hero-gallery-grid .td-thumb-video-card {
    background-color: var(--theme-palette-color-4, #2B2F33);
}

.td-hero-gallery-grid .td-thumb-video-card img {
    position: absolute !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    opacity: 0.6;
}

.td-hero-gallery-grid .td-thumb-video-card:hover .td-thumb-link::after {
    opacity: 0;
}

.td-hero-gallery-grid .td-video-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none !important;
}

.td-hero-gallery-grid .td-video-play-overlay {
    color: var(--theme-palette-color-1, #F14000);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s ease;
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.td-hero-gallery-grid .td-thumb-video-card:hover .td-video-play-overlay {
    transform: scale(1.15);
}

.td-hero-gallery-grid .td-video-tag {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--theme-palette-color-8, #FFFFFF);
    line-height: 1;
    position: absolute;
    bottom: 8px;
    z-index: 2;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.td-hero-gallery-grid .td-video-fallback-bg {
    position: absolute;
    inset: 0;
    background: var(--theme-palette-color-4, #2B2F33);
}

.ct-lightbox,
.pswp__bg {
    background-color: rgba(31, 35, 39, 0.82) !important;
    -webkit-backdrop-filter: blur(4px) !important;
    backdrop-filter: blur(4px) !important; 
}

.pswp__img {
    max-width: 88vw !important;
    max-height: 82vh !important;
    object-fit: contain !important;
}

/* --------------------------------------------------------------------------
   5. 大橱窗视频流接管组件 (Main Window Video Controls)
   -------------------------------------------------------------------------- */
.td-product-hero .td-main-video-frame,
.td-product-hero .td-main-video-player {
    width: 100% !important;
    height: 100% !important;
    display: block;
    border: none;
}

.td-product-hero .td-main-video-player {
    object-fit: contain;
}

.td-product-hero .td-hero-main-window.is-video-active {
    aspect-ratio: 16 / 9 !important;
    height: auto !important; 
    background-color: #1a1a1a;
    position: relative;
    overflow: hidden;
    animation: tdVideoBuffer 1.5s ease-in-out infinite;
}

@keyframes tdVideoBuffer {
    0%   { background-color: #1a1a1a; }
    50%  { background-color: #262626; }
    100% { background-color: #1a1a1a; }
}

/* --------------------------------------------------------------------------
   6. 🖥️ 媒体查询大尺寸控制 (Desktop Optimization 901px+)
   -------------------------------------------------------------------------- */
@media (min-width: 901px) {
    .td-hero-title { font-size: clamp(24px, 2.4vw, 34px); line-height: 1.15; }
    .td-hero-slogan { margin-bottom: 26px; }
    .td-hero-quick-specs { flex-wrap: nowrap; margin-bottom: 28px; }
    .td-quick-spec-block { flex: 1 1 0; min-width: 0; padding-right: 14px; margin-right: 14px; }
    .td-quick-spec-block .td-quick-spec-label { font-size: 10px; }
    .td-quick-spec-block .td-quick-spec-value { font-size: 16px; }
    .td-hero-cta-group { gap: 12px; flex-wrap: nowrap; }
    .td-hero-cta-group .td-btn-cta { min-height: 48px; padding: 0 20px; font-size: 13px; }
}

/* --------------------------------------------------------------------------
   7. 📱 媒体查询小尺寸控制 (Mobile Optimization 0-900px)
   -------------------------------------------------------------------------- */
@media (max-width: 999px) {

    body.single-products .td-product-hero {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
    }

    body.single-products .td-hero-right-meta {
        max-width: 100% !important;
    }

    body.single-products .td-hero-gallery-grid .td-gallery-thumb-item {
        flex: 0 0 calc((100% - 24px) / 3) !important;
    }

    body.single-products .td-hero-cta-group {
        flex-direction: column !important;
        gap: 10px !important;
        width: 100% !important;
    }

    body.single-products .td-hero-cta-group .td-btn-cta {
        width: 100% !important;
    }
}

/* ==========================================================================
   TITANDRILL SCALABLE DESIGN SYSTEM (V6.7 - INTEGRATED CONTAINER ARCHITECTURE)
   ========================================================================= */

/* --------------------------------------------------------------------------
   A. 工业级全局变量骨架 & 纯净域滚动锁
   -------------------------------------------------------------------------- */
body.single-products {
    --td-container-width: 1200px;
    --td-section-gap: 60px;
    --td-header-offset: 52px;          /* 桌面端 Blocksy 主题吸顶导航高度 */
    --td-nav-height: 54px;
    
    /* 大厂重工标志性 CIS 配色方案 */
    --td-color-steel-black: #1a1a1a;
    --td-color-text-main: #374151;
    --td-color-text-muted: #4b5563;
    --td-color-bg-light: #f9fafb;
    --td-color-border: #e5e7eb;
    
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--td-header-offset) + var(--td-nav-height));
}

/* --------------------------------------------------------------------------
   B. 🧱 镜像大容器对齐矩阵
   -------------------------------------------------------------------------- */
body.single-products .td-sticky-nav-inner,
body.single-products .td-product-long-scroll-container {
    max-width: var(--td-container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
}

/* 吸顶条限宽底线归位 */
body.single-products .td-sticky-nav-inner {
    border-bottom: 1px solid var(--td-color-border);
}

/* --------------------------------------------------------------------------
   C. 🧭 吸顶条外壳全宽流 (完全纯净外壳)
   -------------------------------------------------------------------------- */
body.single-products .td-sticky-section-nav {
    position: -webkit-sticky;
    position: sticky;
    top: var(--td-header-offset);
    z-index: 5;
    background-color: #ffffff;
    margin-top: 50px;                 
    border-top: none;
    border-bottom: none;
}

body.single-products .td-sticky-nav-list {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

body.single-products .td-sticky-nav-list::-webkit-scrollbar {
    display: none;
}

body.single-products .td-sticky-nav-link {
    display: inline-block;
    padding: 16px 20px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--td-color-text-muted);
    text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease;
}

body.single-products .td-sticky-nav-link:hover,
body.single-products .td-sticky-nav-link:focus {
    color: var(--td-color-steel-black);
    background-color: var(--td-color-bg-light);
}

/* --------------------------------------------------------------------------
   D. 长卷流 Section 结构体 & 像素级间距清洗 (V1.2 REFINED)
   -------------------------------------------------------------------------- */
body.single-products .td-product-long-scroll-container {
    padding-top: 10px;
    padding-bottom: 80px;
}

/* 所有长卷流模块下边距统一约束至 32px 黄金工业制式 */
body.single-products .td-scroll-section {
    scroll-margin-top: calc(var(--td-header-offset) + var(--td-nav-height) + 20px);
    margin-bottom: 32px;
}

/* 仅在连续后续模块出现时注入 24px 精英呼吸感垫，使总间距死死锁在 56px */
body.single-products .td-scroll-section + .td-scroll-section {
    padding-top: 24px;
}

body.single-products .td-section-specs {
    border-top: none;
    padding-top: 12px;
}

body.single-products .td-section-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--td-color-steel-black);
    letter-spacing: -0.02em;
    margin: 0 0 16px 0;
    text-transform: uppercase;
}

body.single-products .td-section-specs .td-section-title {
    margin-bottom: 16px;
}

/* 🟢【加固保留规则】：新引擎依然输出此最外层壳，强制其间距归零，完美融入 V7.7 模块化底盘 */
body.single-products .td-section-specs .td-product-specs {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
}

/* --------------------------------------------------------------------------
   E. 后续重工长卷流网格与组件 (Features, Applications, Downloads, FAQ)
   -------------------------------------------------------------------------- */
body.single-products .td-features-box-grid,
body.single-products .td-apps-box-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
    align-items: center;
}

body.single-products .td-features-img-col,
body.single-products .td-apps-img-col,
body.single-products .td-features-text-col,
body.single-products .td-apps-text-col {
    min-width: 0;
}

body.single-products .td-features-img-col,
body.single-products .td-apps-img-col {
    overflow: visible !important;
}

body.single-products .td-features-img-col img,
body.single-products .td-apps-img-col img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 0;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08) !important;
}

body.single-products .td-features-text-col,
body.single-products .td-apps-text-col {
    font-size: 16px;
    line-height: 1.75;
    color: var(--td-color-text-main);
    overflow-wrap: anywhere;
    word-break: normal;
}

/* 🟢【总工高弹定盘】：拒绝 margin-bottom 债，全量改用弹性 gap 主控，100% 滤清脏字符 */
body.single-products .td-download-action-card {
    background-color: var(--td-color-bg-light);
    border: 1px solid var(--td-color-border);
    padding: 30px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between; 
    gap: 32px;
    text-align: left;
    border-radius: 0;
}

body.single-products .td-asset-meta-box {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

body.single-products .td-asset-icon {
    flex-shrink: 0;
    color: var(--theme-palette-color-1, #F14000);
    display: flex;
    align-items: center;
}

body.single-products .td-asset-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
    margin-bottom: 0;
}

body.single-products .td-asset-filename {
    font-size: 16px;
    font-weight: 700;
    color: var(--td-color-steel-black);
    overflow-wrap: anywhere;
}

body.single-products .td-asset-specs-line {
    font-size: 13px;
    color: var(--td-color-text-muted);
}

body.single-products .td-btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--td-color-steel-black);
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 14px 28px;
    height: 48px;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.2s ease;
    border-radius: 0;
    flex-shrink: 0;
}

body.single-products .td-btn-download:hover {
    background-color: var(--theme-palette-color-1, #F14000);
}


/* --------------------------------------------------------------------------
   F. ⚙️ 终极响应式断点控制
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
    body.single-products .td-sticky-nav-link { padding: 14px 18px; font-size: 13px; }
    body.single-products .td-features-box-grid, body.single-products .td-apps-box-grid { grid-template-columns: 1fr; gap: 24px; }
    body.single-products .td-section-title { font-size: 24px; }
}

@media (max-width: 768px) {
    body.single-products {
        --td-section-gap: 40px;
        --td-header-offset: 52px;
        --td-nav-height: 52px;
    }
    body.single-products .td-sticky-nav-inner,
    body.single-products .td-product-long-scroll-container {
        padding-left: 16px;
        padding-right: 16px;
    }
    /* 🟢【总工移动端弹性流】：手机端自动转为纵向流，完美应用 24px 复合 gap 占位 */
    body.single-products .td-download-action-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
        padding: 24px;
    }
    body.single-products .td-btn-download {
        width: 100%;
    }
}

/* --------------------------------------------------------------------------
   👉 只取消第一个 Tab 的左 padding，实现文字与表格边沿最终绝对咬合
   -------------------------------------------------------------------------- */
body.single-products .td-sticky-nav-item:first-child .td-sticky-nav-link {
    padding-left: 0;
}

/* --------------------------------------------------------------------------
   💾 将内联 SVG 样式规范化收编至 CSS 中枢，锁死物理尺寸
   -------------------------------------------------------------------------- */
body.single-products .td-asset-icon .td-asset-svg {
    width: 24px;
    height: 24px;
    display: block;
}

/* ==========================================================================
   TITANDRILL SINGLE PRODUCT — BLOCKSY CONTENT SHELL RESET
   ========================================================================== */

body.single-products .site-main > .ct-container-full[data-vertical-spacing] {
    width: 100%;
    max-width: none;
    padding-top: 0 !important;
    padding-right: 0 !important;
    padding-bottom: 0 !important;
    padding-left: 0 !important;
    margin: 0;
}

body.single-products article.products {
    width: 100%;
    max-width: none;
    margin: 0 !important;
    padding: 0 !important;
}



/* ==========================================================================
   🧱 TITANDRILL INDUSTRIAL TRUST BAR (V7.0 - CHATGPT APPROVED STANDARDS)
   ========================================================================= */

/* 1. 铭牌大外壳：刚性锁死 48px 顶部间距，保持大厂阶梯秩序 */
body.single-products .td-trust-bar-section {
    margin-top: 56px;
    margin-bottom: 32px;
    width: 100%;
}

/* 2. 四格矩阵骨架：刚性 4 列等宽大厂布局，24px 工业平稳间距 */
body.single-products .td-trust-bar-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    width: 100%;
}

/* 3. 铭牌实体单件：浅灰地基、超细边框、0 阴影、0 悬浮位移，高奢铭牌感 */
body.single-products .td-trust-item {
    background-color: var(--td-color-bg-light);
    border: 1px solid var(--td-color-border);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
    min-height: 120px; /* 刚性锁定黄金中轴高度，确保 4 列高度绝对咬合 */
    box-sizing: border-box;
    border-radius: 0;
    overflow-wrap: anywhere; /* 生产环境防破相隔离：严防长词穿刺边框 */
}

/* 4. 纯 2px 线性 SVG 颜色归一控制 */
body.single-products .td-trust-icon {
    color: var(--theme-palette-color-1, #F14000);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.single-products .td-trust-icon .td-trust-icon-svg {
    width: 24px;
    height: 24px;
    display: block;
}

/* 5. 铭牌元数据文本：还原大厂文本原生呼吸感，高冷严谨 */
body.single-products .td-trust-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--td-color-steel-black);
    margin: 0 0 4px 0;
    line-height: 1.3;
    text-transform: none; 
    letter-spacing: 0.02em;
}

body.single-products .td-trust-desc {
    font-size: 12px;
    color: var(--td-color-text-muted);
    margin: 0;
    line-height: 1.4;
}

/* 6. ⚙️ Trust Bar 响应式控制 */
@media (max-width: 960px) {
    body.single-products .td-trust-bar-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }
}

@media (max-width: 560px) {
    body.single-products .td-trust-bar-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    body.single-products .td-trust-item {
        min-height: auto;
        padding: 20px;
    }
}

/* ==========================================================================
   🤖 TITANDRILL ENTERPRISE GLOBAL INQUIRY SYSTEM SKIN (V7.1 - SCOPED LOCK)
   ========================================================================= */

/* 1. 表单舱大外壳：注入 48px 重工垫高呼吸间距，实现直角全包围 */
body.single-products .td-final-cta-section {
    width: 100%;
    margin-top: 48px;
    margin-bottom: 64px;
    box-sizing: border-box;
}

body.single-products .td-cta-form-container {
    background-color: #ffffff;
    border: 1px solid var(--td-color-border);
    padding: 48px;
    border-radius: 0; /* 0px 刚性直角，拒绝消费级浮躁 */
}

/* 2. 头部标题区：标志性橙色工程左哨兵线 */
body.single-products .td-cta-header {
    margin-bottom: 36px;
    border-left: 3px solid var(--theme-palette-color-1, #F14000); 
    padding-left: 16px;
}

body.single-products .td-cta-main-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--td-color-steel-black);
    margin: 0 0 8px 0 !important;
    text-transform: none;
    letter-spacing: -0.02em;
}

body.single-products .td-cta-sub-title {
    font-size: 14px;
    color: var(--td-color-text-muted);
    margin: 0;
    line-height: 1.5;
}

/* 3. 🟢【总工主权隔离网】：死锁在产品页 CTA 容器内，绝不污染全站其他通用表单字段 */
body.single-products .td-final-cta-section .fluentform .ff-el-form-control {
    border-radius: 0 !important; 
    border: 1px solid #d8d8d8 !important; /* 统一标准的单色灰度工业外框 */
    font-size: 14px !important;
    color: #111111 !important;
    padding: 12px 16px !important;
    background-color: #ffffff !important;
    box-shadow: none !important;
    transition: border-color 0.2s ease-in-out;
}

body.single-products .td-final-cta-section .fluentform .ff-el-form-control:focus {
    border-color: var(--td-color-steel-black) !important;
    outline: none !important;
}

body.single-products .td-final-cta-section .fluentform .ff-el-form-control::placeholder {
    color: #a0a0a0 !important;
    font-size: 13px;
}

body.single-products .td-final-cta-section .fluentform .ff-el-form-label {
    margin-bottom: 8px !important;
}

body.single-products .td-final-cta-section .fluentform .ff-el-form-label label {
    font-size: 13px !important;
    font-weight: 600 !important; /* 灰度字重 600 对齐大厂规范 */
    color: #333333 !important;
}

/* 4. 🟢【总工主权隔离网】：死锁在产品页 CTA 按钮域，且校准字距降调为 0.08em，低调厚重 */
body.single-products .td-final-cta-section .fluentform .ff-btn-submit {
    width: 100% !important;
    height: 56px !important; /* 56px 刚性高度锁 */
    background-color: var(--theme-palette-color-1, #F14000) !important; /* 砂砾橙主冲锋色 */
    border: none !important;
    border-radius: 0 !important;
    color: #ffffff !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important; /* 🟢【总工精细脱水】：字距降调至 0.08em，消除松散，强化凝练力量感 */
    transition: background-color 0.25s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.single-products .td-final-cta-section .fluentform .ff-btn-submit:hover {
    background-color: var(--theme-palette-color-2, #FF5C26) !important; 
}

/* 5. ⚙️ 表单跨端自适应防震 */
@media (max-width: 768px) {
    body.single-products .td-final-cta-section .td-cta-form-container {
        padding: 24px;
    }
    body.single-products .td-final-cta-section .td-cta-header {
        margin-bottom: 24px;
    }
}

/* ==========================================================================
   🧱 TITANDRILL FREEDOM SPEC CONTENT SYSTEM (V1.1 - PRODUCTION REFINED)
   ========================================================================= */

/* 1. 容器底座：提供移动端 overflow-x 横向安全滑轨（刚性保留必要锁） */
body.single-products .td-spec-content-wrapper {
    width: 100%;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    margin-top: 0;
    margin-bottom: 24px;
}

/* 2. 自由表格实体：刚性剥离任何消费级圆角，锁死直角与跨端安全滑轨底盘 */
body.single-products .td-spec-content-wrapper table {
    width: 100%;
    min-width: 640px; /* 🧱【重工防挤压底线】：严防多列复杂表格在移动端遭遇恶性压缩 */
    border-collapse: collapse;
    border-spacing: 0;
    margin: 16px 0;
    border: 1px solid var(--td-color-border, #e5e7eb);
    background-color: #ffffff;
    border-radius: 0; /* 0px 刚性直角 */
}

@media (min-width: 768px) and (max-width: 999px) {

    body.single-products .td-spec-content-wrapper table th,
    body.single-products .td-spec-content-wrapper table td {
        padding: 11px 16px;
        font-size: 13px;
    }
}

@media (max-width: 767px) {

    body.single-products .td-spec-content-wrapper {
        width: 100%;
        max-width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    body.single-products .td-spec-content-wrapper table {
        min-width: 560px;
        margin: 12px 0;
    }

    body.single-products .td-spec-content-wrapper table th,
    body.single-products .td-spec-content-wrapper table td {
        padding: 10px 14px;
        font-size: 12px;
        line-height: 1.45;
        white-space: normal;
    }
}

/* 3. 自由表格行 (Row)：引入全时灰度悬浮与奇偶交替浅灰底座 */
body.single-products .td-spec-content-wrapper table tr {
    border-bottom: 1px solid var(--td-color-border, #e5e7eb);
    background-color: #ffffff;
    transition: background-color 0.2s ease;
}

body.single-products .td-spec-content-wrapper table tr:nth-child(even) {
    background-color: var(--td-color-bg-light, #f9fafb);
}

body.single-products .td-spec-content-wrapper table tr:hover {
    background-color: rgba(31, 35, 39, 0.02);
}

/* 4. 表头与单元格 (TH / TD)：像素级紧凑Padding与硬核字符串防爆组合 */
body.single-products .td-spec-content-wrapper table th,
body.single-products .td-spec-content-wrapper table td {
    padding: 12px 20px; /* 维持 12px/20px 黄金重工呼吸比 */
    font-size: 13px; /* 刚性校准至大厂 13px 紧凑高密度信息流 */
    line-height: 1.5;
    text-align: left;
    overflow-wrap: anywhere; /* 🧠【总工防爆线】：强制在任意字符间安全换行，严防长复杂型号穿刺 */
    word-break: normal;
    vertical-align: middle;
}

body.single-products .td-spec-content-wrapper table th {
    font-weight: 700;
    color: var(--td-color-steel-black, #1a1a1a);
    background-color: var(--td-color-bg-light, #f9fafb);
    border-bottom: 2px solid var(--td-color-border, #e5e7eb); /* 强化表头秩序感 */
}

body.single-products .td-spec-content-wrapper table td {
    color: var(--td-color-text-main, #374151);
}

/* 5. 自由段落与列表 (P / UL / OL)：排除恶性塌陷，清洗自由间距债务 */
body.single-products .td-spec-content-wrapper p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--td-color-text-main, #374151);
    margin: 0 0 16px 0;
}

body.single-products .td-spec-content-wrapper p:last-child {
    margin-bottom: 0;
}

body.single-products .td-spec-content-wrapper ul,
body.single-products .td-spec-content-wrapper ol {
    margin: 0 0 16px 24px; /* 留出标准的 24px 左缩进 */
    padding: 0;
}

body.single-products .td-spec-content-wrapper ul li,
body.single-products .td-spec-content-wrapper ol li {
    font-size: 14px;
    line-height: 1.6;
    color: var(--td-color-text-main, #374151);
    margin-bottom: 8px;
}

body.single-products .td-spec-content-wrapper ul li:last-child,
body.single-products .td-spec-content-wrapper ol li:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   🧱 TITANDRILL FEATURES & APPLICATIONS LAYOUT REFINEMENT (V1.1 FINAL)
   ========================================================================= */

/* 1. ⚙️ 无图状态防线：当后台未填图片资产时，网格平滑降维为 1 列，文字 100% 满宽饱满自适应 */
body.single-products .td-features-box-grid.td-no-image,
body.single-products .td-apps-box-grid.td-no-image {
    grid-template-columns: 1fr;
    gap: 0; /* 彻底清洗不必要的横向网格间距 */
}

/* 2. ⚙️ 有图状态加固：捍卫严格的数据/布局分离原则，桌面大屏保持 48px 重工黄金格栅比例 */
body.single-products .td-features-box-grid.td-has-image,
body.single-products .td-apps-box-grid.td-has-image {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
}

/* 3. 📱 移动端防挤压沙盒：严格回归自然阅读顺序，100% 熔断 column-reverse 乱序风险 */
@media (max-width: 960px) {
    body.single-products .td-features-box-grid.td-has-image,
    body.single-products .td-apps-box-grid.td-has-image {
        grid-template-columns: 1fr;
        gap: 24px; /* 移动端紧凑型间距对齐 */
    }
}