/* ==========================================================================
   Neuvition 页面级样式（骨架阶段：Hero 基础 + 首页点云容器）
   Task 4 将按 UI Design Document 扩充 4 套模板样式
   ========================================================================== */

/* ---------- Hero（首页，3D 点云背景） ---------- */
.nv-hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    background: var(--nv-navy-900);
    overflow: hidden;
}
.nv-hero__canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
}
.nv-hero__canvas canvas { display: block; }

/* 文字叠加层：左侧渐变压暗保证对比度（WCAG AA） */
.nv-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(90deg, rgba(10, 22, 40, 0.88) 0%, rgba(10, 22, 40, 0.45) 40%, rgba(10, 22, 40, 0.05) 70%, rgba(10, 22, 40, 0) 100%);
    pointer-events: none;
}
.nv-hero__content {
    position: relative;
    z-index: 3;
    width: min(var(--nv-container), 92%);
    margin: 0 auto;
    color: #fff;
    padding: calc(var(--nv-header-h) + var(--nv-space-5)) 0 var(--nv-space-6);
}
.nv-hero__content > * { pointer-events: auto; }
.nv-hero__badge {
    display: inline-block;
    font-size: var(--nv-text-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nv-cyan-500);
    border: 1px solid rgba(0, 194, 255, 0.4);
    border-radius: var(--nv-radius-full);
    padding: 6px 14px;
    margin-bottom: var(--nv-space-3);
}
.nv-hero__title {
    font-size: var(--nv-text-4xl);
    line-height: var(--nv-leading-tight);
    color: #fff;
    max-width: 640px;
    margin: 0 0 var(--nv-space-2);
}
.nv-hero__subtitle {
    font-size: var(--nv-text-lg);
    color: var(--nv-text-on-dark);
    max-width: 560px;
    line-height: var(--nv-leading-normal);
    margin: 0 0 var(--nv-space-4);
}
.nv-hero__ctas {
    display: flex;
    gap: var(--nv-space-2);
    flex-wrap: wrap;
}

/* 无 WebGL 降级：隐藏画布，显示静态点云图背景 */
.no-webgl .nv-hero__canvas { display: none; }
.no-webgl .nv-hero {
    background: var(--nv-navy-900) url('../img/pointcloud-fallback.jpg') center/cover no-repeat;
}

/* ---------- 通用页面头（内页 Hero）—— 深色标准头，对齐参考静态站 page-header */
.nv-page-header {
    background: linear-gradient(135deg, var(--nv-navy-900), var(--nv-navy-700));
    color: #fff;
    padding: calc(var(--nv-header-h) + var(--nv-space-6)) 0 var(--nv-space-6);
    position: relative;
    overflow: hidden;
}
/* 科技感光晕背景 */
.nv-page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 700px 350px at 15% 60%, rgba(0, 194, 255, 0.12), transparent),
        radial-gradient(ellipse 500px 300px at 85% 30%, rgba(45, 204, 211, 0.08), transparent);
    pointer-events: none;
}
.nv-page-header > div { position: relative; z-index: 1; text-align: center; }
.nv-page-header h1 {
    color: #fff;
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    font-weight: 700;
    line-height: var(--nv-leading-tight);
    margin: var(--nv-space-2) 0 var(--nv-space-3);
}
.nv-page-header p {
    color: rgba(255, 255, 255, 0.72);
    font-size: var(--nv-text-lg);
    line-height: var(--nv-leading-loose);
    max-width: 640px;
    margin: 0 auto var(--nv-space-3);
}
.nv-page-header .nv-breadcrumb {
    font-size: var(--nv-text-sm);
    color: rgba(255, 255, 255, 0.5);
    justify-content: center;
}
.nv-page-header .nv-breadcrumb a { color: var(--nv-cyan-400); text-decoration: none; }
.nv-page-header .nv-breadcrumb span { color: rgba(255, 255, 255, 0.3); }

/* Hero 顶部小徽标（[ NEUVITION ... ] 风格，深色头上浅色描边胶囊） */
.nv-page-header .nv-hero__badge {
    display: inline-block;
    font-size: var(--nv-text-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nv-cyan-400);
    border: 1px solid rgba(0, 194, 255, 0.4);
    border-radius: var(--nv-radius-full);
    padding: 6px 14px;
    margin-bottom: var(--nv-space-3);
}

/* 产品详情页 Hero：桌面双栏，移动端单列 */
@media (max-width: 900px) {
    .nv-hero-grid { grid-template-columns: 1fr !important; }
    .nv-hero-media { order: -1; }
}

/* ---------- 区块通用 ---------- */
.nv-section { padding: var(--nv-space-7) 0; }
.nv-section--soft { background: var(--nv-bg-soft); }
.nv-section__head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--nv-space-5);
}
.nv-section__head .nv-kicker {
    font-size: var(--nv-text-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nv-cyan-600);
}
.nv-section__head h2 { margin: var(--nv-space-1) 0; }
.nv-section__head p { color: var(--nv-text-secondary); }

/* 卡片栅格 */
.nv-grid { display: grid; gap: var(--nv-space-3); }
.nv-grid--3 { grid-template-columns: repeat(3, 1fr); }
.nv-grid--4 { grid-template-columns: repeat(4, 1fr); }
.nv-grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1199px) {
    .nv-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .nv-grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
    .nv-grid--4, .nv-grid--3, .nv-grid--2 { grid-template-columns: 1fr; }
    .nv-section { padding: var(--nv-space-5) 0; }
}

/* ==========================================================================
   产品列表页 & 详情页样式（Industrial PM Redesign v1.0）
   ========================================================================== */

/* ---------- 分类筛选标签栏 ---------- */
.nv-filter-bar {
    background: var(--nv-white);
    border-bottom: 1px solid var(--nv-border);
    padding: var(--nv-space-2) 0;
    position: sticky;
    top: var(--nv-header-h);
    z-index: 50;
}
.nv-filter-bar__inner {
    width: min(var(--nv-container), 92%);
    margin: 0 auto;
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.nv-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: var(--nv-radius-full);
    border: 1px solid var(--nv-border);
    background: var(--nv-white);
    color: var(--nv-text-secondary);
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--nv-fast) var(--nv-ease);
    white-space: nowrap;
}
.nv-filter-tag:hover {
    border-color: var(--nv-cyan-500);
    color: var(--nv-cyan-600);
}
.nv-filter-tag.is-active {
    background: var(--nv-navy-900);
    color: #fff;
    border-color: var(--nv-navy-900);
}
.nv-filter-tag__count {
    font-size: var(--nv-text-xs);
    opacity: 0.6;
    font-weight: 400;
}
.nv-filter-tag.is-active .nv-filter-tag__count { opacity: 0.8; }
@media (max-width: 767px) {
    .nv-filter-bar__inner {
        justify-content: flex-start;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        scrollbar-width: none;
        padding-bottom: 4px;
    }
    .nv-filter-bar__inner::-webkit-scrollbar { display: none; }
}

/* ==========================================================================
   Module 1: 痛点识别区
   ========================================================================== */
.nv-pain-section {
    background: var(--nv-bg-soft);
    padding: var(--nv-space-7) 0;
}
.nv-pain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-3);
}
.nv-pain-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-left: 4px solid #DC2626;
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-4);
    transition: all var(--nv-normal) var(--nv-ease);
    display: flex;
    flex-direction: column;
    gap: var(--nv-space-1);
}
.nv-pain-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--nv-shadow-lg);
    border-color: var(--nv-cyan-500);
    border-left-color: #DC2626;
}
.nv-pain-card__icon {
    width: 48px;
    height: 48px;
    background: var(--nv-cyan-100);
    border-radius: var(--nv-radius-md);
    display: grid;
    place-items: center;
    color: var(--nv-cyan-600);
    margin-bottom: var(--nv-space-1);
}
.nv-pain-card__title {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-2xl);
    font-weight: 600;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
    margin: 0;
}
.nv-pain-card__desc {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-secondary);
    line-height: var(--nv-leading-normal);
    margin: 0;
    flex: 1;
}
.nv-pain-card__number {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 700;
    color: #DC2626;
    margin: var(--nv-space-1) 0 0;
}
.nv-pain-card__tag {
    display: inline-block;
    align-self: flex-start;
    font-size: var(--nv-text-xs);
    color: var(--nv-cyan-600);
    background: var(--nv-cyan-100);
    border-radius: var(--nv-radius-full);
    padding: 4px 12px;
    margin-top: var(--nv-space-1);
}
@media (max-width: 1199px) {
    .nv-pain-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
    .nv-pain-section { padding: var(--nv-space-5) 0; }
    .nv-pain-grid { grid-template-columns: 1fr; gap: 16px; }
    .nv-pain-card { padding: var(--nv-space-3); }
}

/* ==========================================================================
   Module 2: 技术原理区
   ========================================================================== */
.nv-howitworks-section {
    background: var(--nv-white);
    padding: var(--nv-space-7) 0;
}
.nv-howitworks-video {
    aspect-ratio: 16/9;
    max-width: 960px;
    margin: 0 auto var(--nv-space-5);
    background: linear-gradient(135deg, var(--nv-navy-900), var(--nv-navy-700));
    border-radius: var(--nv-radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--nv-space-2);
    cursor: pointer;
    transition: all var(--nv-normal) var(--nv-ease);
    position: relative;
}
.nv-howitworks-video:hover .nv-howitworks-video__play {
    transform: scale(1.1);
    box-shadow: var(--nv-glow-cyan);
}
.nv-howitworks-video__play {
    width: 64px;
    height: 64px;
    border-radius: var(--nv-radius-full);
    background: var(--nv-cyan-500);
    display: grid;
    place-items: center;
    color: #fff;
    transition: all var(--nv-fast) var(--nv-ease);
}
.nv-howitworks-video__label {
    color: rgba(255,255,255,0.7);
    font-size: var(--nv-text-sm);
    font-family: var(--nv-font-heading);
}
.nv-howitworks-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--nv-space-2);
    position: relative;
}
.nv-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--nv-space-1);
    position: relative;
}
.nv-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 32px;
    left: 50%;
    right: -50%;
    border-top: 1px dashed var(--nv-gray-300);
    z-index: 0;
}
.nv-step__num {
    width: 64px;
    height: 64px;
    border-radius: var(--nv-radius-full);
    background: linear-gradient(135deg, var(--nv-cyan-500), var(--nv-cyan-600));
    color: var(--nv-white);
    font-family: var(--nv-font-heading);
    font-weight: 700;
    font-size: var(--nv-text-xl);
    display: grid;
    place-items: center;
    position: relative;
    z-index: 1;
}
.nv-step__title {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 600;
    color: var(--nv-navy-900);
    margin: 0;
}
.nv-step__note {
    font-size: var(--nv-text-xs);
    color: var(--nv-text-secondary);
    line-height: var(--nv-leading-normal);
    margin: 0;
}
@media (max-width: 1199px) {
    .nv-howitworks-steps { grid-template-columns: repeat(3, 1fr); gap: var(--nv-space-3) var(--nv-space-2); }
    .nv-step:nth-child(4), .nv-step:nth-child(5) { grid-column: span 1; }
    .nv-step:nth-child(4) { grid-column-start: 2; }
    .nv-step:nth-child(5) { grid-column-start: 3; }
}
@media (max-width: 767px) {
    .nv-howitworks-section { padding: var(--nv-space-5) 0; }
    .nv-howitworks-steps { grid-template-columns: 1fr; gap: var(--nv-space-3); }
    .nv-step:not(:last-child)::after { display: none; }
    .nv-step__num { width: 40px; height: 40px; font-size: var(--nv-text-sm); }
}

/* ==========================================================================
   Module 3: 核心数据表区
   ========================================================================== */
.nv-fielddata-section {
    background: var(--nv-bg-soft);
    padding: var(--nv-space-7) 0;
}
.nv-fielddata-table-wrap {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    overflow: hidden;
}
.nv-fielddata-table {
    width: 100%;
    border-collapse: collapse;
}
.nv-fielddata-table th {
    background: var(--nv-bg-soft);
    font-family: var(--nv-font-heading);
    font-weight: 600;
    color: var(--nv-navy-900);
    text-align: left;
    padding: 16px;
    border-bottom: 1px solid var(--nv-border);
    font-size: var(--nv-text-sm);
}
.nv-fielddata-table .col-our {
    text-align: right;
    font-family: var(--nv-font-heading);
    font-weight: 700;
    color: var(--nv-cyan-600);
}
.nv-fielddata-table .col-typical {
    text-align: right;
    color: var(--nv-text-secondary);
}
.nv-fielddata-table .col-meaning {
    color: #16A34A;
    font-size: var(--nv-text-sm);
}
.nv-fielddata-table td {
    padding: 16px;
    border-bottom: 1px solid var(--nv-border);
    font-size: var(--nv-text-base);
}
.nv-fielddata-table tr:last-child td { border-bottom: 0; }
.nv-fielddata-table tr:hover {
    background: var(--nv-cyan-100);
}
.nv-fielddata-table th.col-question { width: 38%; }
.nv-fielddata-table th.col-our { width: 20%; }
.nv-fielddata-table th.col-typical { width: 20%; }
.nv-fielddata-table th.col-meaning { width: 22%; }
@media (max-width: 767px) {
    .nv-fielddata-section { padding: var(--nv-space-5) 0; }
    .nv-fielddata-table thead { display: none; }
    .nv-fielddata-table, .nv-fielddata-table tbody, .nv-fielddata-table tr, .nv-fielddata-table td {
        display: block;
        width: 100%;
    }
    .nv-fielddata-table tr {
        border: 1px solid var(--nv-border);
        border-radius: var(--nv-radius-md);
        margin-bottom: 16px;
        padding: 16px;
    }
    .nv-fielddata-table tr:hover { background: transparent; }
    .nv-fielddata-table td {
        padding: 6px 0;
        border: 0;
    }
    .nv-fielddata-table td.col-question {
        font-family: var(--nv-font-heading);
        font-weight: 600;
        font-size: var(--nv-text-lg);
        color: var(--nv-navy-900);
        margin-bottom: 8px;
    }
    .nv-fielddata-table td.col-our,
    .nv-fielddata-table td.col-typical {
        display: inline-block;
        width: 48%;
        text-align: left;
    }
    .nv-fielddata-table td.col-our::before { content: '我们： '; font-weight: 400; color: var(--nv-text-secondary); font-size: var(--nv-text-xs); }
    .nv-fielddata-table td.col-typical::before { content: '行业： '; font-weight: 400; color: var(--nv-text-secondary); font-size: var(--nv-text-xs); }
    .nv-fielddata-table td.col-meaning {
        border-top: 1px solid var(--nv-border);
        margin-top: 8px;
        padding-top: 8px;
    }
}

/* ==========================================================================
   Module 4: 安装集成区
   ========================================================================== */
.nv-install-section {
    background: var(--nv-white);
    padding: var(--nv-space-7) 0;
}
.nv-install-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-4);
}
.nv-install-col {
    display: flex;
    flex-direction: column;
    gap: var(--nv-space-2);
}
.nv-install-col__title {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-2xl);
    font-weight: 600;
    color: var(--nv-navy-900);
    margin: 0 0 var(--nv-space-1);
}
.nv-install-params {
    margin: 0 0 var(--nv-space-2);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.nv-install-param dt {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-secondary);
    margin-bottom: 2px;
}
.nv-install-param dd {
    font-size: var(--nv-text-base);
    color: var(--nv-navy-900);
    font-weight: 500;
    margin: 0;
}
.nv-install-diagram {
    width: 100%;
    aspect-ratio: 3/2;
    background: linear-gradient(135deg, var(--nv-gray-100), var(--nv-gray-200));
    border-radius: var(--nv-radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--nv-cyan-500);
    margin-top: auto;
    transition: all var(--nv-normal) var(--nv-ease);
}
.nv-install-diagram--wide {
    aspect-ratio: 2/1;
}
.nv-install-diagram:hover {
    transform: scale(1.02);
    box-shadow: var(--nv-shadow-md);
}
.nv-install-diagram__label {
    font-size: var(--nv-text-xs);
    color: var(--nv-text-secondary);
}
.nv-protocol-list {
    list-style: none;
    margin: 0 0 var(--nv-space-2);
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.nv-protocol-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--nv-border);
}
.nv-protocol-list__name {
    font-family: var(--nv-font-heading);
    font-weight: 600;
    color: var(--nv-cyan-600);
    font-size: var(--nv-text-base);
}
.nv-protocol-list__sys {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-secondary);
}
.nv-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.nv-checklist__item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 0;
    font-size: var(--nv-text-base);
    color: var(--nv-navy-900);
}
.nv-checklist__check {
    width: 24px;
    height: 24px;
    border-radius: var(--nv-radius-full);
    background: var(--nv-cyan-500);
    display: grid;
    place-items: center;
    flex-shrink: 0;
    color: #fff;
}
@media (max-width: 1199px) {
    .nv-install-grid { grid-template-columns: repeat(2, 1fr); }
    .nv-install-col:nth-child(3) { grid-column: span 2; }
}
@media (max-width: 767px) {
    .nv-install-section { padding: var(--nv-space-5) 0; }
    .nv-install-grid { grid-template-columns: 1fr; gap: var(--nv-space-3); }
    .nv-install-col:nth-child(3) { grid-column: span 1; }
}

/* ==========================================================================
   Module 5: 场景 ROI 区
   ========================================================================== */
.nv-scenarios-section {
    background: var(--nv-bg-soft);
    padding: var(--nv-space-7) 0;
}
.nv-scenario-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-4);
    margin-bottom: var(--nv-space-5);
    display: flex;
    flex-direction: column;
    gap: var(--nv-space-3);
}
.nv-scenario-card:last-child { margin-bottom: 0; }
.nv-scenario-card__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.nv-scenario-card__title-row {
    display: flex;
    align-items: center;
    gap: var(--nv-space-2);
}
.nv-scenario-card__letter {
    width: 48px;
    height: 48px;
    border-radius: var(--nv-radius-full);
    background: linear-gradient(135deg, var(--nv-cyan-500), var(--nv-cyan-600));
    color: var(--nv-white);
    font-family: var(--nv-font-heading);
    font-weight: 700;
    font-size: var(--nv-text-xl);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}
.nv-scenario-card__name {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-2xl);
    font-weight: 600;
    color: var(--nv-navy-900);
    margin: 0;
}
.nv-scenario-card__industry {
    display: inline-block;
    font-size: var(--nv-text-xs);
    font-weight: 600;
    color: var(--nv-cyan-600);
    background: var(--nv-cyan-100);
    border-radius: var(--nv-radius-full);
    padding: 6px 16px;
}
.nv-scenario-params {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--nv-space-2);
}
.nv-scenario-param {
    background: var(--nv-bg-soft);
    border-radius: var(--nv-radius-md);
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.nv-scenario-param__name {
    font-size: var(--nv-text-xs);
    color: var(--nv-text-secondary);
}
.nv-scenario-param__value {
    font-size: var(--nv-text-base);
    font-weight: 600;
    color: var(--nv-navy-900);
    font-family: var(--nv-font-heading);
}
.nv-roi-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--nv-radius-md);
    overflow: hidden;
    border: 1px solid var(--nv-border);
}
.nv-roi-table th {
    background: var(--nv-bg-soft);
    font-family: var(--nv-font-heading);
    font-weight: 600;
    color: var(--nv-navy-900);
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--nv-border);
    font-size: var(--nv-text-sm);
}
.nv-roi-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--nv-border);
    font-size: var(--nv-text-sm);
}
.nv-roi-table tr:last-child td { border-bottom: 0; }
.nv-roi-table .col-metric {
    font-weight: 600;
    color: var(--nv-navy-900);
}
.nv-roi-table .col-before {
    color: var(--nv-text-secondary);
    text-decoration: line-through;
}
.nv-roi-table .col-after {
    color: var(--nv-cyan-600);
    font-weight: 700;
    font-family: var(--nv-font-heading);
}
.nv-roi-table tr:hover { background: var(--nv-cyan-100); }
.nv-roi-conclusion {
    background: var(--nv-cyan-100);
    border-radius: var(--nv-radius-md);
    padding: var(--nv-space-3) var(--nv-space-4);
    display: flex;
    align-items: center;
    gap: var(--nv-space-3);
}
.nv-roi-conclusion__number {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-4xl);
    font-weight: 700;
    color: var(--nv-orange-500);
    flex-shrink: 0;
}
.nv-roi-conclusion__label {
    font-size: var(--nv-text-sm);
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-normal);
}
.nv-roi-calculator {
    background: var(--nv-bg-soft);
    border-radius: var(--nv-radius-md);
    padding: var(--nv-space-3);
    margin-top: var(--nv-space-2);
}
.nv-roi-calculator__title {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-lg);
    font-weight: 600;
    color: var(--nv-navy-900);
    margin: 0 0 var(--nv-space-2);
}
.nv-roi-calculator__sliders {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-3);
    margin-bottom: var(--nv-space-2);
}
.nv-roi-calculator__slider-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.nv-roi-calculator__label {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-secondary);
    display: flex;
    align-items: baseline;
    gap: 4px;
    flex-wrap: wrap;
}
.nv-roi-calculator__value {
    font-family: var(--nv-font-heading);
    font-weight: 700;
    color: var(--nv-cyan-600);
    font-size: var(--nv-text-base);
}
.nv-roi-calculator__slider {
    width: 100%;
    height: 4px;
    background: var(--nv-gray-200);
    border-radius: var(--nv-radius-full);
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    cursor: pointer;
}
.nv-roi-calculator__slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: var(--nv-radius-full);
    background: var(--nv-cyan-500);
    cursor: pointer;
    border: 2px solid var(--nv-white);
    box-shadow: var(--nv-shadow-sm);
}
.nv-roi-calculator__slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: var(--nv-radius-full);
    background: var(--nv-cyan-500);
    cursor: pointer;
    border: 2px solid var(--nv-white);
    box-shadow: var(--nv-shadow-sm);
}
.nv-roi-calculator__result-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: var(--nv-space-2) var(--nv-space-3);
    background: var(--nv-white);
    border-radius: var(--nv-radius-sm);
}
.nv-roi-calculator__result-label {
    font-size: var(--nv-text-base);
    color: var(--nv-text-secondary);
}
.nv-roi-calculator__result {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-2xl);
    font-weight: 700;
    color: var(--nv-orange-500);
    transition: color 180ms var(--nv-ease);
}
.nv-roi-calculator__result.is-pulse {
    color: var(--nv-cyan-600);
}
@media (max-width: 1199px) {
    .nv-scenario-params { grid-template-columns: repeat(2, 1fr); }
    .nv-roi-calculator__sliders { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
    .nv-scenarios-section { padding: var(--nv-space-5) 0; }
    .nv-scenario-card { padding: var(--nv-space-3); }
    .nv-scenario-card__name { font-size: var(--nv-text-xl); }
    .nv-roi-conclusion__number { font-size: var(--nv-text-3xl); }
}

/* ==========================================================================
   Module 6: 故障保障区
   ========================================================================== */
.nv-failure-section {
    background: var(--nv-white);
    padding: var(--nv-space-7) 0;
}
.nv-failure-table-wrap {
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    overflow: hidden;
    margin-bottom: var(--nv-space-5);
}
.nv-failure-table {
    width: 100%;
    border-collapse: collapse;
}
.nv-failure-table th {
    background: var(--nv-bg-soft);
    font-family: var(--nv-font-heading);
    font-weight: 600;
    color: var(--nv-navy-900);
    text-align: left;
    padding: 16px;
    border-bottom: 1px solid var(--nv-border);
    font-size: var(--nv-text-sm);
}
.nv-failure-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--nv-border);
    font-size: var(--nv-text-sm);
}
.nv-failure-table tr:last-child td { border-bottom: 0; }
.nv-failure-table tr:hover { background: var(--nv-cyan-100); }
.nv-failure-table .col-fault {
    font-weight: 600;
    color: var(--nv-navy-900);
}
.nv-failure-table .col-recovery {
    color: var(--nv-cyan-600);
    font-weight: 600;
    font-family: var(--nv-font-heading);
}
.nv-failure-bottom {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--nv-space-4);
    align-items: start;
}
.nv-maintenance-timeline {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    padding: var(--nv-space-3) 0;
}
.nv-maintenance-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--nv-cyan-500), var(--nv-cyan-600));
    z-index: 0;
}
.nv-maintenance-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 8px;
}
.nv-maintenance-node__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--nv-radius-full);
    background: var(--nv-cyan-100);
    border: 2px solid var(--nv-cyan-500);
    display: grid;
    place-items: center;
    color: var(--nv-cyan-600);
}
.nv-maintenance-node__label {
    font-family: var(--nv-font-heading);
    font-weight: 600;
    color: var(--nv-navy-900);
    font-size: var(--nv-text-base);
}
.nv-maintenance-node__content {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-secondary);
    line-height: var(--nv-leading-normal);
}
.nv-support-card {
    background: linear-gradient(135deg, var(--nv-navy-900), var(--nv-navy-700));
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-4);
    color: var(--nv-white);
    display: flex;
    flex-direction: column;
    gap: var(--nv-space-2);
}
.nv-support-card__title {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 600;
    margin: 0 0 var(--nv-space-1);
}
.nv-support-card__item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.nv-support-card__item:last-child { border-bottom: 0; }
.nv-support-card__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--nv-radius-md);
    background: rgba(0,194,255,0.15);
    border: 1px solid rgba(0,194,255,0.3);
    display: grid;
    place-items: center;
    flex-shrink: 0;
    color: var(--nv-cyan-500);
}
.nv-support-card__text {
    font-size: var(--nv-text-sm);
    color: rgba(255,255,255,0.85);
    line-height: var(--nv-leading-normal);
    margin: 0;
    padding-top: 6px;
}
@media (max-width: 1199px) {
    .nv-failure-bottom { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
    .nv-failure-section { padding: var(--nv-space-5) 0; }
    .nv-failure-table thead { display: none; }
    .nv-failure-table, .nv-failure-table tbody, .nv-failure-table tr, .nv-failure-table td {
        display: block;
        width: 100%;
    }
    .nv-failure-table tr {
        border: 1px solid var(--nv-border);
        border-radius: var(--nv-radius-md);
        margin-bottom: 12px;
        padding: 12px;
    }
    .nv-failure-table tr:hover { background: transparent; }
    .nv-failure-table td {
        padding: 4px 0;
        border: 0;
    }
    .nv-failure-table td.col-fault {
        font-size: var(--nv-text-lg);
        margin-bottom: 8px;
    }
    .nv-maintenance-timeline { flex-direction: column; gap: var(--nv-space-3); }
    .nv-maintenance-timeline::before { display: none; }
    .nv-maintenance-node { flex-direction: row; text-align: left; }
}

/* ==========================================================================
   Module 7: CTA 转化区
   ========================================================================== */
.nv-cta-report-section {
    background: linear-gradient(135deg, var(--nv-navy-900), var(--nv-navy-700));
    padding: var(--nv-space-7) 0;
    color: var(--nv-white);
}
.nv-cta-report-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--nv-space-5);
    align-items: start;
}
.nv-cta-report-title {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-3xl);
    font-weight: 700;
    color: var(--nv-white);
    line-height: var(--nv-leading-tight);
    margin: 0 0 var(--nv-space-3);
}
.nv-cta-steps {
    display: flex;
    gap: var(--nv-space-2);
    align-items: center;
    margin-bottom: var(--nv-space-4);
    flex-wrap: wrap;
}
.nv-cta-step {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 180px;
}
.nv-cta-step__num {
    width: 40px;
    height: 40px;
    border-radius: var(--nv-radius-full);
    background: var(--nv-cyan-500);
    color: var(--nv-white);
    font-family: var(--nv-font-heading);
    font-weight: 700;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    font-size: var(--nv-text-base);
}
.nv-cta-step__body { display: flex; flex-direction: column; gap: 2px; }
.nv-cta-step__title {
    font-family: var(--nv-font-heading);
    font-weight: 600;
    color: var(--nv-white);
    margin: 0;
    font-size: var(--nv-text-base);
}
.nv-cta-step__desc {
    font-size: var(--nv-text-xs);
    color: rgba(255,255,255,0.6);
    margin: 0;
}
.nv-cta-step__arrow {
    color: var(--nv-cyan-500);
    flex-shrink: 0;
}
.nv-cta-form-wrap {
    margin-top: var(--nv-space-2);
}
.nv-cta-form-fallback {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-4);
}
/* 深色底表单覆盖样式 */
.nv-cta-form-wrap .ff-form-wrapper,
.nv-cta-form-wrap form {
    --nv-form-bg: rgba(255,255,255,0.06);
}
.nv-cta-form-wrap input[type="text"],
.nv-cta-form-wrap input[type="email"],
.nv-cta-form-wrap input[type="tel"],
.nv-cta-form-wrap input[type="file"],
.nv-cta-form-wrap select,
.nv-cta-form-wrap textarea {
    background: rgba(255,255,255,0.06) !important;
    border: 1px solid rgba(255,255,255,0.2) !important;
    border-radius: var(--nv-radius-sm) !important;
    color: var(--nv-white) !important;
    padding: 12px 16px !important;
    transition: all var(--nv-fast) var(--nv-ease);
}
.nv-cta-form-wrap input:focus,
.nv-cta-form-wrap select:focus,
.nv-cta-form-wrap textarea:focus {
    border-color: var(--nv-cyan-500) !important;
    box-shadow: 0 0 0 3px rgba(0,194,255,0.15) !important;
    outline: none !important;
}
.nv-cta-form-wrap input::placeholder,
.nv-cta-form-wrap textarea::placeholder {
    color: rgba(255,255,255,0.4) !important;
}
.nv-cta-form-wrap label {
    color: rgba(255,255,255,0.8) !important;
}
.nv-cta-form-wrap button[type="submit"],
.nv-cta-form-wrap .ff_btn_style {
    background: var(--nv-cyan-500) !important;
    color: var(--nv-white) !important;
    border: none !important;
    border-radius: var(--nv-radius-sm) !important;
    padding: 12px 32px !important;
    font-family: var(--nv-font-heading) !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all var(--nv-fast) var(--nv-ease) !important;
}
.nv-cta-form-wrap button[type="submit"]:hover,
.nv-cta-form-wrap .ff_btn_style:hover {
    background: var(--nv-cyan-600) !important;
    transform: translateY(-2px);
}
.nv-cta-report-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--nv-space-1);
}
.nv-report-thumb {
    aspect-ratio: 3/4;
    width: 100%;
    max-width: 300px;
    background: rgba(255,255,255,0.08);
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: var(--nv-radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--nv-space-2);
    color: rgba(0,194,255,0.6);
    transition: all var(--nv-normal) var(--nv-ease);
}
.nv-report-thumb:hover {
    transform: scale(1.03);
    box-shadow: var(--nv-glow-cyan);
}
.nv-report-thumb__watermark {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 600;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.05em;
}
.nv-report-thumb__caption {
    font-size: var(--nv-text-xs);
    color: rgba(255,255,255,0.5);
    text-align: center;
    margin: 0;
}
@media (max-width: 767px) {
    .nv-cta-report-section { padding: var(--nv-space-5) 0; }
    .nv-cta-report-grid { grid-template-columns: 1fr; gap: var(--nv-space-4); }
    .nv-cta-steps { flex-direction: column; align-items: flex-start; }
    .nv-cta-step__arrow { display: none; }
    .nv-cta-report-title { font-size: var(--nv-text-2xl); }
    .nv-cta-report-right { order: -1; }
}

/* ==========================================================================
   列表页新卡片样式
   ========================================================================== */
.nv-archive-card--problem {
    background: var(--nv-white);
    border-radius: 20px;
    padding: var(--nv-space-4);
    box-shadow: 0 8px 32px rgba(5,35,75,0.18);
    display: flex;
    flex-direction: column;
    gap: var(--nv-space-2);
    transition: all var(--nv-normal) var(--nv-ease);
}
.nv-archive-card--problem:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(5,35,75,0.25);
}
.nv-archive-card__icon {
    width: 48px;
    height: 48px;
    background: var(--nv-cyan-100);
    border: 1px solid var(--nv-cyan-500);
    border-radius: var(--nv-radius-md);
    display: grid;
    place-items: center;
    color: var(--nv-cyan-600);
    flex-shrink: 0;
}
.nv-archive-card__problem {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-2xl);
    font-weight: 600;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
    margin: 0;
}
.nv-archive-card__model-badge {
    display: inline-block;
    align-self: flex-start;
    font-size: var(--nv-text-xs);
    font-weight: 600;
    color: var(--nv-cyan-600);
    background: var(--nv-cyan-100);
    border-radius: var(--nv-radius-full);
    padding: 4px 14px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.nv-archive-card__stats {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: var(--nv-space-2) 0;
    border-top: 1px solid var(--nv-border);
    border-bottom: 1px solid var(--nv-border);
}
.nv-archive-card__stat {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}
.nv-archive-card__stat-value {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 700;
    color: var(--nv-cyan-600);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nv-archive-card__stat-label {
    font-size: var(--nv-text-xs);
    color: var(--nv-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nv-archive-card__stat-divider {
    width: 1px;
    height: 32px;
    background: var(--nv-gray-200);
    flex-shrink: 0;
}
.nv-archive-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
    font-family: var(--nv-font-heading);
    font-weight: 600;
    font-size: var(--nv-text-sm);
    color: var(--nv-cyan-600);
    border: 1px solid var(--nv-cyan-500);
    border-radius: var(--nv-radius-full);
    padding: 8px 20px;
    text-decoration: none;
    transition: all var(--nv-fast) var(--nv-ease);
    margin-top: auto;
}
.nv-archive-card__cta:hover {
    background: var(--nv-cyan-500);
    color: var(--nv-white);
}

/* ---------- 列表页 Why Us 3 列等宽 ---------- */
.nv-whyus__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-3);
}
.nv-whyus__card {
    background: var(--nv-bg-soft);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-4);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--nv-space-2);
}
.nv-whyus__icon {
    width: 64px;
    height: 64px;
    border-radius: var(--nv-radius-full);
    background: var(--nv-cyan-100);
    border: 1px solid var(--nv-cyan-500);
    display: grid;
    place-items: center;
    color: var(--nv-cyan-600);
}
.nv-whyus__card-title {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 600;
    color: var(--nv-navy-900);
    margin: 0;
}
.nv-whyus__text {
    color: var(--nv-text-secondary);
    font-size: var(--nv-text-sm);
    line-height: var(--nv-leading-normal);
    margin: 0;
}
@media (max-width: 1199px) {
    .nv-whyus__grid { grid-template-columns: repeat(2, 1fr); }
    .nv-whyus__card:nth-child(3) { grid-column: span 2; max-width: 500px; margin: 0 auto; }
}
@media (max-width: 767px) {
    .nv-whyus__grid { grid-template-columns: 1fr; }
    .nv-whyus__card:nth-child(3) { grid-column: span 1; }
}

/* ---------- Lightbox（复用） ---------- */
.nv-lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(10, 22, 40, 0.92);
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--nv-normal) var(--nv-ease);
}
.nv-lightbox.is-open {
    display: flex;
    opacity: 1;
}
.nv-lightbox__image {
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nv-lightbox__image img,
.nv-lightbox__image video {
    max-width: 100%;
    max-height: 85vh;
    border-radius: var(--nv-radius-lg);
    object-fit: contain;
}
.nv-lightbox__close,
.nv-lightbox__prev,
.nv-lightbox__next {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all var(--nv-fast) var(--nv-ease);
}
.nv-lightbox__close:hover,
.nv-lightbox__prev:hover,
.nv-lightbox__next:hover {
    background: rgba(0, 194, 255, 0.3);
    border-color: var(--nv-cyan-500);
}
.nv-lightbox__close { top: 24px; right: 24px; }
.nv-lightbox__prev { left: 24px; top: 50%; transform: translateY(-50%); }
.nv-lightbox__next { right: 24px; top: 50%; transform: translateY(-50%); }
.nv-lightbox__counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-sm);
}
@media (max-width: 767px) {
    .nv-lightbox__close { top: 12px; right: 12px; width: 40px; height: 40px; }
    .nv-lightbox__prev { left: 8px; width: 40px; height: 40px; }
    .nv-lightbox__next { right: 8px; width: 40px; height: 40px; }
}

/* ---------- 滚动动画补充（stagger delay 支持） ---------- */
.nv-fade-in[style*="--nv-delay"] {
    transition-delay: var(--nv-delay);
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    .nv-fade-in, .nv-stagger > *, .nv-slide-left, .nv-slide-right {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* ==========================================================================
   V2 首页：TechVico 风格重设计（客户问题驱动 + 欧美审美）
   区块顺序 = 客户心理问题链：
   Hero → Trust → Pain → Products → Industries → HowItWorks → WhyUs → SocialProof → CTA
   ========================================================================== */

/* ---- Section Spacing ---- */
.nv-home-section {
    padding: 100px 0;
}
.nv-home-section--alt {
    background: var(--nv-gray-50);
}
@media (max-width: 767px) {
    .nv-home-section { padding: 64px 0; }
}

/* ---- Container ---- */
.nv-home-container {
    width: min(var(--nv-container), 92%);
    margin: 0 auto;
}

/* ==========================================================================
   Section 1: Hero — "What does Neuvition do?"
   ========================================================================== */
.nv-hero-v2 {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: stretch;
    background: var(--nv-navy-900);
    overflow: hidden;
}
.nv-hero-v2__bg {
    position: relative;
    flex: 1 1 50%;
    min-width: 0;
    order: 2;
    z-index: 1;
    background: linear-gradient(
        90deg,
        rgba(10,22,40,0.95) 0%,
        rgba(10,22,40,0.55) 45%,
        rgba(10,22,40,0.15) 100%
    );
}
.nv-hero-v2__bg canvas { display: block; }
.nv-hero-v2__overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(
        90deg,
        rgba(10,22,40,0.94) 0%,
        rgba(10,22,40,0.62) 55%,
        rgba(10,22,40,0.12) 88%,
        rgba(10,22,40,0) 100%
    );
    pointer-events: none;
}
.nv-hero-v2__content {
    position: relative;
    z-index: 3;
    flex: 0 0 50%;
    max-width: 50%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    color: #fff;
    padding: calc(var(--nv-header-h) + 48px) clamp(28px, 3vw, 56px) 80px;
}
.nv-hero-v2__badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--nv-cyan-400);
    border: 1px solid rgba(0,194,255,0.35);
    border-radius: 100px;
    padding: 7px 16px;
    margin-bottom: 28px;
}
.nv-hero-v2 h1 {
    font-family: var(--nv-font-heading);
    font-size: clamp(2.5rem, 4.5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: #fff;
    margin: 0 0 24px;
    max-width: 100%;
}
.nv-hero-v2 h1 span {
    color: var(--nv-cyan-400);
    white-space: nowrap;
}
.nv-hero-v2__subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.7;
    color: rgba(255,255,255,0.75);
    margin: 0 0 40px;
    max-width: 560px;
}
.nv-hero-v2__ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.nv-hero-v2__ctas .nv-btn--outline-white {
    background: transparent;
    border: 1.5px solid rgba(255,255,255,0.4);
    color: #fff;
    font-size: 0.9375rem;
    padding: 15px 32px;
    border-radius: 8px;
    font-family: var(--nv-font-heading);
    font-weight: 600;
    text-decoration: none;
    transition: all 200ms ease;
}
.nv-hero-v2__ctas .nv-btn--outline-white:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.08);
    transform: translateY(-2px);
}

/* 平板 / 移动端：点云回退为全屏背景，文字覆盖其上（不做左右分栏） */
@media (max-width: 1023px) {
    .nv-hero-v2 {
        align-items: center;
    }
    .nv-hero-v2__bg {
        position: absolute;
        inset: 0;
        flex: none;
        order: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(
            180deg,
            rgba(10,22,40,0.9) 0%,
            rgba(10,22,40,0.45) 60%,
            rgba(10,22,40,0.25) 100%
        );
    }
    .nv-hero-v2__overlay {
        background: linear-gradient(
            180deg,
            rgba(10,22,40,0.85) 0%,
            rgba(10,22,40,0.65) 55%,
            rgba(10,22,40,0.35) 100%
        );
    }
    .nv-hero-v2__content {
        flex: none;
        max-width: 100%;
        width: 100%;
        padding: calc(var(--nv-header-h) + 40px) 24px 64px;
    }
    .nv-hero-v2 h1 {
        font-size: clamp(1.625rem, 7.5vw, 2.25rem);
        line-height: 1.25;
    }
}

/* ==========================================================================
   Section 3: Pain Points — "Do you understand my problems?"
   ========================================================================== */
.nv-pain-v2__head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
}
.nv-pain-v2__head h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--nv-navy-900);
    line-height: 1.2;
    margin: 0 0 16px;
}
.nv-pain-v2__head p {
    font-size: 1.0625rem;
    color: var(--nv-text-secondary);
    line-height: 1.6;
    margin: 0;
}
.nv-pain-v2__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.nv-pain-v2__card {
    background: #fff;
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: 0 1px 3px rgba(10,22,40,0.04), 0 8px 24px rgba(10,22,40,0.06);
    border: 1px solid var(--nv-gray-200);
    transition: all 300ms ease;
    position: relative;
    overflow: hidden;
}
.nv-pain-v2__card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, #EF4444, #F97316);
}
.nv-pain-v2__card:hover {
    transform: translateY(-6px);
    box-shadow: 0 4px 12px rgba(10,22,40,0.08), 0 16px 40px rgba(10,22,40,0.12);
}
.nv-pain-v2__icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: #FEF2F2;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #EF4444;
}
.nv-pain-v2__question {
    font-family: var(--nv-font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--nv-navy-900);
    line-height: 1.35;
    margin: 0 0 12px;
}
.nv-pain-v2__answer {
    font-size: 0.9375rem;
    color: var(--nv-text-secondary);
    line-height: 1.65;
    margin: 0 0 16px;
}
.nv-pain-v2__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--nv-font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--nv-cyan-600);
    text-decoration: none;
    transition: gap 200ms ease;
}
.nv-pain-v2__link:hover { gap: 10px; }
@media (max-width: 991px) {
    .nv-pain-v2__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .nv-pain-v2__grid { grid-template-columns: 1fr; }
    .nv-pain-v2__card { padding: 28px 24px; }
}

/* ==========================================================================
   Section 4: Products — "What solutions do you offer?"
   ========================================================================== */
.nv-products-v2__head {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 56px;
}
.nv-products-v2__head h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 16px;
}
.nv-products-v2__head p {
    font-size: 1.0625rem;
    color: var(--nv-text-secondary);
    line-height: 1.6;
    margin: 0;
}
.nv-products-v2__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.nv-product-v2__card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(10,22,40,0.04), 0 8px 24px rgba(10,22,40,0.06);
    border: 1px solid var(--nv-gray-200);
    transition: all 300ms ease;
    text-decoration: none;
    display: flex;
    flex-direction: column;
}
.nv-product-v2__card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(10,22,40,0.08), 0 24px 48px rgba(10,22,40,0.14);
    border-color: var(--nv-cyan-300);
}
.nv-product-v2__media {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--nv-gray-100), var(--nv-gray-200));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.nv-product-v2__media-label {
    font-family: var(--nv-font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--nv-gray-400);
    text-align: center;
}
.nv-product-v2__body {
    padding: 28px 28px 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.nv-product-v2__model {
    font-family: var(--nv-font-heading);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--nv-cyan-600);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.nv-product-v2__name {
    font-family: var(--nv-font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--nv-navy-900);
    line-height: 1.3;
    margin: 0 0 10px;
}
.nv-product-v2__desc {
    font-size: 0.9375rem;
    color: var(--nv-text-secondary);
    line-height: 1.6;
    margin: 0 0 20px;
    flex: 1;
}
.nv-product-v2__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--nv-font-heading);
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--nv-cyan-600);
}
@media (max-width: 991px) {
    .nv-products-v2__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .nv-products-v2__grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
}

/* ==========================================================================
   Section 5: Industries — "Do you work in my industry?"
   ========================================================================== */
.nv-industries-v2__head {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 56px;
}
.nv-industries-v2__head h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 16px;
}
.nv-industries-v2__kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nv-cyan-600);
    margin-bottom: 12px;
}
.nv-industries-v2__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.nv-industry-v2__card {
    background: #fff;
    border-radius: 14px;
    padding: 28px 24px;
    border: 1px solid var(--nv-gray-200);
    transition: all 250ms ease;
    text-decoration: none;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    cursor: default;
}
a.nv-industry-v2__card {
    cursor: pointer;
}
.nv-industry-v2__card:hover {
    border-color: var(--nv-cyan-400);
    box-shadow: 0 4px 16px rgba(10,22,40,0.08);
    transform: translateY(-3px);
}
.nv-industry-v2__icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--nv-cyan-100);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--nv-cyan-600);
}
.nv-industry-v2__info h3 {
    font-family: var(--nv-font-heading);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--nv-navy-900);
    margin: 0 0 4px;
}
.nv-industry-v2__info p {
    font-size: 0.8125rem;
    color: var(--nv-text-secondary);
    margin: 0;
    line-height: 1.5;
}
@media (max-width: 991px) {
    .nv-industries-v2__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .nv-industries-v2__grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Section 6: How It Works — "How does your technology work?"
   ========================================================================== */
.nv-how-v2__head {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 56px;
}
.nv-how-v2__head h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 16px;
}
/* 区块标题单行：仅中文站点（桌面/平板）不折行；英文长标题不强制（自然换行防溢出）、移动端正常换行 */
.nv-products-v2__head h2:lang(zh),
.nv-how-v2__head h2:lang(zh),
.nv-why-v2__head h2:lang(zh) {
    white-space: nowrap;
}
@media (max-width: 767px) {
    .nv-products-v2__head h2:lang(zh),
    .nv-how-v2__head h2:lang(zh),
    .nv-why-v2__head h2:lang(zh) {
        white-space: normal;
    }
}
.nv-how-v2__kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nv-cyan-600);
    margin-bottom: 12px;
}
.nv-how-v2__visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    margin-bottom: 64px;
}
.nv-how-v2__diagram {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--nv-navy-900), var(--nv-navy-700));
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: rgba(0,194,255,0.4);
    position: relative;
    overflow: hidden;
}
.nv-how-v2__diagram::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 300px 200px at 30% 40%, rgba(0,194,255,0.08), transparent),
        radial-gradient(ellipse 200px 150px at 70% 60%, rgba(45,204,211,0.06), transparent);
}
.nv-how-v2__diagram-label {
    position: relative;
    z-index: 1;
    font-family: var(--nv-font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    text-align: center;
}
.nv-how-v2__diagram-sub {
    position: relative;
    z-index: 1;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.4);
}
.nv-how-v2__steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.nv-how-v2__step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.nv-how-v2__step-num {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--nv-cyan-500), var(--nv-cyan-600));
    color: #fff;
    font-family: var(--nv-font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.nv-how-v2__step-body h3 {
    font-family: var(--nv-font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--nv-navy-900);
    margin: 0 0 4px;
}
.nv-how-v2__step-body p {
    font-size: 0.9375rem;
    color: var(--nv-text-secondary);
    margin: 0;
    line-height: 1.55;
}
@media (max-width: 900px) {
    .nv-how-v2__visual { grid-template-columns: 1fr; gap: 32px; }
    .nv-how-v2__diagram { aspect-ratio: 2/1; max-width: 500px; margin: 0 auto; }
    .nv-how-v2__steps { max-width: 500px; margin: 0 auto; }
}

/* ==========================================================================
   Section 7: Why Neuvition — "Why should I choose you?"
   ========================================================================== */
.nv-why-v2__head {
    max-width: 700px;
    margin-bottom: 56px;
}
.nv-why-v2__head h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 16px;
}
.nv-why-v2__kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nv-cyan-600);
    margin-bottom: 12px;
}
.nv-why-v2__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}
.nv-why-v2__intro p {
    font-size: 1.0625rem;
    color: var(--nv-text-secondary);
    line-height: 1.7;
    margin: 0 0 28px;
}
.nv-why-v2__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.nv-why-v2__item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.nv-why-v2__check {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--nv-cyan-100);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--nv-cyan-600);
    margin-top: 2px;
}
.nv-why-v2__item-body h3 {
    font-family: var(--nv-font-heading);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--nv-navy-900);
    margin: 0 0 4px;
}
.nv-why-v2__item-body p {
    font-size: 0.9375rem;
    color: var(--nv-text-secondary);
    margin: 0;
    line-height: 1.55;
}
.nv-why-v2__visual {
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--nv-gray-100), var(--nv-gray-200));
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nv-gray-400);
    font-family: var(--nv-font-heading);
    font-weight: 600;
    font-size: 1rem;
}
@media (max-width: 900px) {
    .nv-why-v2__layout { grid-template-columns: 1fr; gap: 32px; }
    .nv-why-v2__visual { max-width: 500px; margin: 0 auto; order: -1; }
}

/* ==========================================================================
   Section 8: Social Proof — "Can you prove it works?"
   ========================================================================== */
.nv-proof-v2__head {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 56px;
}
.nv-proof-v2__head h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 16px;
}
.nv-proof-v2__kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nv-cyan-600);
    margin-bottom: 12px;
}
.nv-proof-v2__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 56px;
}
.nv-proof-v2__card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 28px;
    box-shadow: 0 1px 3px rgba(10,22,40,0.04), 0 8px 24px rgba(10,22,40,0.06);
    border: 1px solid var(--nv-gray-200);
    transition: all 300ms ease;
}
.nv-proof-v2__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(10,22,40,0.08), 0 24px 48px rgba(10,22,40,0.12);
}
.nv-proof-v2__scene {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--nv-cyan-600);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.nv-proof-v2__client {
    font-family: var(--nv-font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 20px;
    line-height: 1.3;
}
.nv-proof-v2__metrics {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.nv-proof-v2__metric {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.nv-proof-v2__metric-value {
    font-family: var(--nv-font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--nv-cyan-600);
    line-height: 1;
}
.nv-proof-v2__metric-label {
    font-size: 0.75rem;
    color: var(--nv-text-secondary);
}
/* Logo Wall */
.nv-proof-v2__logo-wall {
    text-align: center;
}
.nv-proof-v2__logo-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--nv-text-secondary);
    margin-bottom: 24px;
}
.nv-proof-v2__logos {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    opacity: 0.6;
}
.nv-proof-v2__logo-placeholder {
    font-family: var(--nv-font-heading);
    font-weight: 600;
    color: var(--nv-gray-400);
    border: 1px dashed var(--nv-gray-300);
    border-radius: 8px;
    padding: 12px 28px;
    font-size: 0.8125rem;
}
@media (max-width: 991px) {
    .nv-proof-v2__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .nv-proof-v2__grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
    .nv-proof-v2__logos { gap: 16px; }
}

/* ==========================================================================
   Section 9: Final CTA — "How do I get started?"
   ========================================================================== */
.nv-cta-v2 {
    background: linear-gradient(135deg, var(--nv-navy-900), #0D1F3C);
    padding: 100px 0;
    text-align: center;
    color: #fff;
}
.nv-cta-v2__inner {
    max-width: 620px;
    margin: 0 auto;
}
.nv-cta-v2__inner h2 {
    font-family: var(--nv-font-heading);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin: 0 0 16px;
}
.nv-cta-v2__inner p {
    font-size: 1.0625rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.65;
    margin: 0 0 36px;
}
.nv-cta-v2__inner .nv-btn--primary {
    font-size: 1rem;
    padding: 16px 40px;
    border-radius: 10px;
}
.nv-cta-v2__reassurance {
    display: flex;
    justify-content: center;
    gap: 28px;
    margin-top: 28px;
    flex-wrap: wrap;
}
.nv-cta-v2__reassure-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.55);
}
.nv-cta-v2__reassure-item svg {
    color: rgba(0,194,255,0.6);
    flex-shrink: 0;
}

/* ============================================================
   Home V2: Proof CTA link
   ============================================================ */
.nv-proof-v2__cta {
    text-align: center;
    margin-top: 36px;
}

/* ============================================================
   Customer Cases Page
   ============================================================ */

/* -- Hero -- */
.nv-cases-hero {
    padding: 100px 24px 64px;
    text-align: center;
    background: var(--nv-navy, #0a1628);
    color: #fff;
}
.nv-cases-hero__kicker {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--nv-accent, #00c2ff);
    margin-bottom: 16px;
}
.nv-cases-hero h1 {
    font-family: var(--nv-font-heading);
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 auto 16px;
    max-width: 720px;
}
.nv-cases-hero__sub {
    font-size: 1.0625rem;
    color: rgba(255,255,255,0.65);
    margin: 0 auto;
    max-width: 620px;
    line-height: 1.65;
}

/* -- Filter Bar -- */
.nv-cases-filter {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    border-bottom: 1px solid #eee;
    padding: 16px 0;
}
.nv-cases-filter__list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}
.nv-cases-filter__btn {
    font-size: 0.8125rem;
    font-weight: 500;
    color: #5a6a7e;
    background: #f4f6f9;
    border: 1px solid transparent;
    border-radius: 100px;
    padding: 8px 18px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.nv-cases-filter__btn:hover {
    color: var(--nv-accent, #00c2ff);
    border-color: var(--nv-accent, #00c2ff);
    background: rgba(0,194,255,0.04);
}
.nv-cases-filter__btn.is-active {
    color: #fff;
    background: var(--nv-accent, #00c2ff);
    border-color: var(--nv-accent, #00c2ff);
}

/* -- Grid -- */
.nv-cases-grid {
    padding: 80px 24px;
}
.nv-cases-grid__inner {
    display: flex;
    flex-direction: column;
    gap: 48px;
    max-width: 860px;
    margin: 0 auto;
}

/* -- Case Card -- */
.nv-case-card {
    border-bottom: 1px solid #eef1f5;
    padding-bottom: 48px;
}
.nv-case-card:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.nv-case-card__top {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}
.nv-case-card__id {
    font-family: var(--nv-font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--nv-accent, #00c2ff);
    line-height: 1;
}
.nv-case-card__tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.nv-case-card__tag {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #6b7c93;
    background: #f0f3f7;
    border-radius: 4px;
    padding: 3px 8px;
}
.nv-case-card__title {
    font-family: var(--nv-font-heading);
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 700;
    color: var(--nv-navy, #0a1628);
    line-height: 1.3;
    margin: 0 0 6px;
}
.nv-case-card__client {
    font-size: 0.9375rem;
    color: var(--nv-accent, #00c2ff);
    font-weight: 500;
    margin: 0 0 28px;
}
.nv-case-card__body {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 28px;
    margin-bottom: 24px;
}
.nv-case-card__col h3 {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #909db0;
    margin: 0 0 10px;
}
.nv-case-card__col p {
    font-size: 0.9375rem;
    color: #3a4a5c;
    line-height: 1.6;
    margin: 0;
}
.nv-case-card__kpis {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.nv-case-card__kpi {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.nv-case-card__kpi-val {
    font-family: var(--nv-font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--nv-navy, #0a1628);
    line-height: 1.15;
}
.nv-case-card__kpi-lbl {
    font-size: 0.75rem;
    color: #7a8b9e;
    font-weight: 500;
}

/* -- Bottom CTA -- */
.nv-cases-cta {
    padding: 80px 24px;
    text-align: center;
    background: var(--nv-navy, #0a1628);
    color: #fff;
}
.nv-cases-cta h2 {
    font-family: var(--nv-font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin: 0 0 12px;
}
.nv-cases-cta p {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.6);
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.6;
}
.nv-cases-cta .nv-btn--primary {
    font-size: 1rem;
    padding: 16px 40px;
    border-radius: 10px;
}

/* Cases Page — Responsive */
@media (max-width: 768px) {
    .nv-cases-hero {
        padding: 72px 20px 48px;
    }
    .nv-cases-grid {
        padding: 48px 20px;
    }
    .nv-cases-grid__inner {
        gap: 36px;
    }
    .nv-case-card {
        padding-bottom: 36px;
    }
    .nv-case-card__body {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ==========================================================================
   Section: 归档页 v2 组件库（2026-08-13 重写：solutions/products/cases/blog/about）
   对齐参考静态站（solutions.html / products.html / cases.html / news.html /
   about.html）的布局语言，颜色/间距统一沿用 nv- 设计令牌。
   ========================================================================== */

/* ---------- 区块通用头（kicker + h2 + 描述，居中） ---------- */
.nv-section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--nv-space-5);
}
.nv-section-head .nv-kicker {
    display: inline-block;
    font-size: var(--nv-text-xs);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--nv-cyan-600);
    margin-bottom: var(--nv-space-1);
}
.nv-section-head h2 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-3xl);
    font-weight: 700;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
    margin: 0 0 var(--nv-space-2);
}
.nv-section-head p {
    color: var(--nv-text-secondary);
    font-size: var(--nv-text-base);
    line-height: var(--nv-leading-loose);
    margin: 0;
}

/* ---------- 解决方案页：3 列行业卡 + 方案架构流程 ---------- */
.nv-solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-3);
}
@media (max-width: 1199px) { .nv-solutions-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .nv-solutions-grid { grid-template-columns: 1fr; } }

.nv-solution-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-4);
    transition: transform var(--nv-normal) var(--nv-ease), box-shadow var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease);
    display: flex;
    flex-direction: column;
    position: relative;
    cursor: pointer;
}
.nv-solution-card:focus-visible {
    outline: 2px solid var(--nv-cyan-500, #00C2FF);
    outline-offset: 3px;
}
.nv-solution-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--nv-shadow-lg);
    border-color: var(--nv-cyan-500);
}
.nv-solution-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--nv-radius-md);
    background: var(--nv-cyan-100);
    color: var(--nv-cyan-600);
    display: grid;
    place-items: center;
    margin-bottom: var(--nv-space-2);
}
.nv-solution-card h3 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 700;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
    margin: 0 0 4px;
}
.nv-solution-card__title-link {
    color: inherit;
    text-decoration: none;
    transition: color var(--nv-fast) var(--nv-ease);
}
.nv-solution-card__title-link:hover,
.nv-solution-card__title-link:focus {
    color: var(--nv-cyan-600, #00C2FF);
}
.nv-solution-card__tagline {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-secondary);
    font-style: italic;
    margin: 0 0 var(--nv-space-2);
}
.nv-solution-card__desc {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-normal);
    margin: 0 0 var(--nv-space-3);
    flex: 1;
}
.nv-solution-card__products {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin: 0 0 var(--nv-space-3);
}
.nv-solution-card__product-tag {
    background: var(--nv-navy-900);
    color: var(--nv-cyan-400);
    padding: 3px 10px;
    border-radius: var(--nv-radius-sm);
    font-size: var(--nv-text-xs);
    font-weight: 600;
    font-family: var(--nv-font-heading);
}
.nv-solution-card__points {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--nv-space-3);
}
.nv-solution-card__points li {
    position: relative;
    padding: 4px 0 4px 18px;
    font-size: var(--nv-text-sm);
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-normal);
}
.nv-solution-card__points li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 11px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--nv-cyan-500);
}
.nv-solution-card__link {
    display: inline-block;
    color: var(--nv-cyan-600);
    font-family: var(--nv-font-heading);
    font-weight: 600;
    font-size: var(--nv-text-sm);
    text-decoration: none;
    transition: color var(--nv-fast) var(--nv-ease);
}
.nv-solution-card__link:hover { color: var(--nv-cyan-500); }

/* ==========================================================================
   方案详情页（single-solution.php）：正文大卡片 + FAQ/案例/竞品 卡片化
   ========================================================================== */

/* 正文大卡片（沉浸式阅读：内边距 + 白底 + 圆角 + 阴影） */
.nv-solution-article {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    box-shadow: var(--nv-shadow-md);
    padding: clamp(var(--nv-space-4), 4vw, var(--nv-space-6));
}
.nv-solution-article h2 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-2xl);
    font-weight: 700;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
    margin: var(--nv-space-5) 0 var(--nv-space-2);
    padding-bottom: var(--nv-space-2);
    border-bottom: 1px solid var(--nv-border);
}
.nv-solution-article h2:first-child { margin-top: 0; }
.nv-solution-article p {
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-loose);
    margin: 0 0 var(--nv-space-3);
}
.nv-solution-article ul,
.nv-solution-article ol {
    margin: 0 0 var(--nv-space-3);
    padding-left: 1.4em;
}
.nv-solution-article li {
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-normal);
    margin-bottom: var(--nv-space-1);
}
.nv-solution-article table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--nv-text-sm);
    margin: 0 0 var(--nv-space-3);
}
.nv-solution-article th,
.nv-solution-article td {
    border: 1px solid var(--nv-border);
    padding: var(--nv-space-2) var(--nv-space-3);
    text-align: left;
    vertical-align: top;
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-normal);
}
.nv-solution-article th {
    background: var(--nv-bg-soft);
    font-weight: 600;
    color: var(--nv-navy-900);
}

/* FAQ 一问一答卡片网格 */
.nv-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--nv-space-3);
    max-width: 900px;
    margin: 0 auto;
}
.nv-faq-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-md);
    padding: var(--nv-space-4);
    box-shadow: var(--nv-shadow-md);
    transition: transform var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease);
}
.nv-faq-card:hover { transform: translateY(-2px); border-color: var(--nv-cyan-500); }
.nv-faq-card__q {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-lg);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 var(--nv-space-2);
    line-height: var(--nv-leading-tight);
}
.nv-faq-card__q::before {
    content: 'Q';
    font-family: var(--nv-font-heading);
    font-weight: 700;
    color: var(--nv-cyan-600);
    margin-right: 8px;
}
.nv-faq-card__a {
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-normal);
    margin: 0;
}

/* 参考案例卡片网格 */
.nv-sol-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--nv-space-3);
    max-width: 900px;
    margin: 0 auto;
}
.nv-sol-case-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-md);
    padding: var(--nv-space-4);
    box-shadow: var(--nv-shadow-md);
    transition: transform var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease);
}
.nv-sol-case-card:hover { transform: translateY(-2px); border-color: var(--nv-cyan-500); }
.nv-sol-case-card__tag {
    display: inline-block;
    background: var(--nv-navy-900);
    color: var(--nv-cyan-400);
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xs);
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--nv-radius-sm);
    margin-bottom: var(--nv-space-2);
}
.nv-sol-case-card__title {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-lg);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 var(--nv-space-2);
    line-height: var(--nv-leading-tight);
}
.nv-sol-case-card__desc {
    color: var(--nv-text-primary);
    font-size: var(--nv-text-sm);
    line-height: var(--nv-leading-normal);
    margin: 0;
}

/* 竞品 / 替代方案卡片 */
.nv-compare-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-3);
    max-width: 900px;
    margin: 0 auto;
}
.nv-compare-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-md);
    padding: var(--nv-space-4);
    text-align: center;
    box-shadow: var(--nv-shadow-md);
    transition: transform var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease);
}
.nv-compare-card:hover { transform: translateY(-2px); border-color: var(--nv-cyan-500); }
.nv-compare-card__badge {
    display: inline-block;
    background: var(--nv-bg-soft);
    color: var(--nv-text-secondary);
    font-size: var(--nv-text-xs);
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--nv-radius-full);
    margin-bottom: var(--nv-space-2);
}
.nv-compare-card__name {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-lg);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0;
    line-height: var(--nv-leading-tight);
}

/* 收益指标浅色卡片（融入布局，替代深色悬浮条） */
.nv-metric-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--nv-space-3);
    max-width: 900px;
    margin: 0 auto;
}
.nv-metric-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-md);
    padding: var(--nv-space-4);
    text-align: center;
    box-shadow: var(--nv-shadow-md);
}
.nv-metric-card__num {
    font-family: var(--nv-font-heading);
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--nv-cyan-600);
}
.nv-metric-card__label {
    color: var(--nv-text-primary);
    font-size: var(--nv-text-sm);
    margin-top: var(--nv-space-2);
}

/* 响应式：FAQ/案例 2 列 → 1 列；竞品/收益 3-4 列 → 2 列 → 1 列 */
@media (max-width: 1199px) {
    .nv-metric-grid { grid-template-columns: repeat(2, 1fr); }
    .nv-compare-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
    .nv-faq-grid,
    .nv-sol-cases-grid,
    .nv-compare-grid,
    .nv-metric-grid { grid-template-columns: 1fr; }
}

/* 方案架构流程：4 步骤横排（→ 箭头） */
.nv-arch-flow {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.nv-arch-step {
    flex: 1 1 200px;
    max-width: 240px;
    text-align: center;
    padding: var(--nv-space-4) var(--nv-space-3);
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-md);
}
.nv-arch-step__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--nv-space-2);
    background: var(--nv-cyan-100);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: var(--nv-cyan-600);
}
.nv-arch-step h4 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-base);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 6px;
}
.nv-arch-step p {
    font-size: var(--nv-text-xs);
    color: var(--nv-text-secondary);
    line-height: var(--nv-leading-normal);
    margin: 0;
}
.nv-arch-arrow {
    display: grid;
    place-items: center;
    color: var(--nv-gray-300);
    font-size: var(--nv-text-2xl);
    font-weight: 700;
    flex: 0 0 24px;
}
@media (max-width: 767px) { .nv-arch-flow { flex-direction: column; } .nv-arch-arrow { transform: rotate(90deg); } }

/* ---------- 产品页：3 列产品卡（图标 + 型号徽章 + 标题 + 描述 + 3 数据） ----------
   2026-08-14 数据区重设计：去掉局促的浅灰底块，改为顶部细线 + 单元格分隔线 +
   更大留白 + clamp 自适应字号，长参数值（如 ±3%（12~25m³））不再换行挤压。 */
.nv-prod-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-4);
}
@media (max-width: 1199px) { .nv-prod-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .nv-prod-grid { grid-template-columns: 1fr; } }

.nv-prod-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-4);
    transition: transform var(--nv-normal) var(--nv-ease), box-shadow var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease);
    display: flex;
    flex-direction: column;
}
.nv-prod-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--nv-shadow-lg);
    border-color: var(--nv-cyan-500);
}
.nv-prod-card__icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--nv-space-2);
    color: var(--nv-cyan-600);
    display: grid;
    place-items: center;
}
.nv-prod-card__badge {
    display: inline-block;
    align-self: flex-start;
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xs);
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--nv-navy-900);
    background: var(--nv-cyan-100);
    padding: 4px 10px;
    border-radius: var(--nv-radius-sm);
    margin-bottom: var(--nv-space-2);
}
.nv-prod-card h3 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 700;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
    margin: 0 0 var(--nv-space-2);
}
.nv-prod-card__desc {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-normal);
    margin: 0 0 var(--nv-space-3);
    flex: 1;
}
.nv-prod-card__data {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: var(--nv-space-3);
    border-top: 1px solid var(--nv-border);
    padding: var(--nv-space-3) 0 0;
}
.nv-prod-card__data-cell {
    text-align: center;
    padding: 0 var(--nv-space-2);
    border-left: 1px solid var(--nv-border);
}
.nv-prod-card__data-cell:first-child { border-left: 0; padding-left: 0; }
.nv-prod-card__data-cell:last-child { padding-right: 0; }
.nv-prod-card__data-value {
    font-family: var(--nv-font-heading);
    font-size: clamp(1.125rem, 1.4vw, 1.375rem);
    font-weight: 700;
    color: var(--nv-cyan-600);
    line-height: 1.2;
    letter-spacing: -0.01em;
    word-break: break-word;
    margin-bottom: 6px;
}
.nv-prod-card__data-label {
    font-size: var(--nv-text-xs);
    color: var(--nv-text-secondary);
    letter-spacing: 0.06em;
    line-height: 1.5;
}
@media (max-width: 767px) {
    .nv-prod-card__data { padding-top: var(--nv-space-2); }
    .nv-prod-card__data-cell { padding: 0 var(--nv-space-1); }
}
.nv-prod-card__cta {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--nv-cyan-600);
    font-family: var(--nv-font-heading);
    font-weight: 600;
    font-size: var(--nv-text-sm);
    text-decoration: none;
    transition: gap var(--nv-fast) var(--nv-ease), color var(--nv-fast) var(--nv-ease);
}
.nv-prod-card__cta:hover { gap: 10px; color: var(--nv-cyan-500); }

/* ---------- 产品方案详情页（文件驱动 /products/{model}/） ---------- */
.nv-prod-detail__hero-cta {
    display: flex;
    gap: var(--nv-space-2);
    justify-content: center;
    margin-top: var(--nv-space-3);
    flex-wrap: wrap;
}

/* 核心指标条 */
.nv-prod-detail__stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--nv-space-3);
}
@media (max-width: 1199px) { .nv-prod-detail__stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .nv-prod-detail__stats { grid-template-columns: 1fr; } }

.nv-prod-detail__stat {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-3);
    text-align: center;
    box-shadow: var(--nv-shadow-sm);
    transition: transform var(--nv-normal) var(--nv-ease), box-shadow var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease);
}
.nv-prod-detail__stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--nv-shadow-md);
    border-color: var(--nv-cyan-500);
}
.nv-prod-detail__stat-value {
    font-family: var(--nv-font-heading);
    font-size: clamp(1.25rem, 1.8vw, 1.625rem);
    font-weight: 700;
    color: var(--nv-cyan-600);
    line-height: 1.25;
    letter-spacing: -0.01em;
    word-break: break-word;
    margin-bottom: 8px;
}
.nv-prod-detail__stat-label {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-secondary);
    letter-spacing: 0.06em;
}

/* 技术原理流程 */
.nv-prod-detail__flow {
    display: flex;
    align-items: stretch;
    gap: var(--nv-space-3);
    flex-wrap: wrap;
    justify-content: center;
}
.nv-prod-detail__step {
    flex: 1 1 180px;
    max-width: 240px;
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-3);
    text-align: center;
    transition: transform var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease), box-shadow var(--nv-normal) var(--nv-ease);
}
.nv-prod-detail__step:hover {
    transform: translateY(-4px);
    border-color: var(--nv-cyan-500);
    box-shadow: var(--nv-shadow-md);
}
.nv-prod-detail__step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--nv-radius-full);
    background: var(--nv-cyan-100);
    color: var(--nv-cyan-600);
    font-family: var(--nv-font-heading);
    font-weight: 700;
    font-size: var(--nv-text-sm);
    margin-bottom: var(--nv-space-2);
}
.nv-prod-detail__step-text {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-normal);
    margin: 0;
}
.nv-prod-detail__step-arrow {
    display: grid;
    place-items: center;
    color: var(--nv-gray-300);
    font-size: var(--nv-text-2xl);
    font-weight: 700;
    flex: 0 0 24px;
}
@media (max-width: 767px) {
    .nv-prod-detail__flow { flex-direction: column; align-items: center; }
    .nv-prod-detail__step { max-width: 100%; width: 100%; }
    .nv-prod-detail__step-arrow { transform: rotate(90deg); }
}

/* 核心参数分组表格 */
.nv-prod-detail__specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--nv-space-4);
}
@media (max-width: 767px) { .nv-prod-detail__specs { grid-template-columns: 1fr; } }

.nv-prod-detail__spec-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-3);
    box-shadow: var(--nv-shadow-sm);
}
.nv-prod-detail__spec-title {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-lg);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 var(--nv-space-2);
    padding-bottom: var(--nv-space-2);
    border-bottom: 2px solid var(--nv-cyan-100);
}
.nv-prod-detail__spec-icon {
    display: inline-flex;
    vertical-align: -3px;
    margin-right: 6px;
    color: var(--nv-cyan-600);
}
.nv-prod-detail__spec-card .nv-spec-table th { background: transparent; }
.nv-prod-detail__spec-card .nv-spec-table td { color: var(--nv-text-primary); }

/* 行业痛点 */
.nv-prod-detail__pains {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-4);
}
@media (max-width: 1199px) { .nv-prod-detail__pains { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .nv-prod-detail__pains { grid-template-columns: 1fr; } }

.nv-prod-detail__pain-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-left: 4px solid var(--nv-orange-500);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-3);
}
.nv-prod-detail__pain-title {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-base);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 var(--nv-space-1);
}
.nv-prod-detail__pain-desc {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-normal);
    margin: 0 0 var(--nv-space-2);
}
.nv-prod-detail__pain-number {
    display: inline-block;
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-sm);
    font-weight: 700;
    color: var(--nv-orange-500);
    background: var(--nv-orange-100);
    border-radius: var(--nv-radius-sm);
    padding: 2px 10px;
}

/* 核心卖点 */
.nv-prod-detail__selling {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-4);
}
@media (max-width: 1199px) { .nv-prod-detail__selling { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .nv-prod-detail__selling { grid-template-columns: 1fr; } }

.nv-prod-detail__sell-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-3);
    display: flex;
    gap: var(--nv-space-2);
    align-items: flex-start;
    transition: transform var(--nv-normal) var(--nv-ease), box-shadow var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease);
}
.nv-prod-detail__sell-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--nv-shadow-md);
    border-color: var(--nv-cyan-500);
}
.nv-prod-detail__sell-icon {
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: var(--nv-radius-md);
    background: var(--nv-cyan-100);
    color: var(--nv-cyan-600);
}
.nv-prod-detail__sell-card p {
    margin: 0;
    font-size: var(--nv-text-sm);
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-normal);
    padding-top: 6px;
}

/* 应用场景 */
.nv-prod-detail__scenarios {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-3);
}
@media (max-width: 1199px) { .nv-prod-detail__scenarios { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .nv-prod-detail__scenarios { grid-template-columns: 1fr; } }

.nv-prod-detail__scenario {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-md);
    padding: var(--nv-space-3);
    transition: border-color var(--nv-fast) var(--nv-ease), transform var(--nv-fast) var(--nv-ease);
}
.nv-prod-detail__scenario:hover { border-color: var(--nv-cyan-500); transform: translateY(-2px); }
.nv-prod-detail__scenario-name {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-base);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 var(--nv-space-1);
}
.nv-prod-detail__scenario-customer {
    font-size: var(--nv-text-xs);
    color: var(--nv-text-secondary);
}

/* ---------- 客户案例页：深色卡头（行业徽章+标题+地点）+ 指标区 ---------- */
.nv-case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--nv-space-4);
}
@media (max-width: 1199px) { .nv-case-grid { grid-template-columns: 1fr; } }

.nv-case-card-v2 {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: 20px;
    overflow: hidden;
    transition: transform var(--nv-normal) var(--nv-ease), box-shadow var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease);
}
.nv-case-card-v2:hover {
    transform: translateY(-6px);
    box-shadow: var(--nv-shadow-lg);
    border-color: transparent;
}
.nv-case-card-v2__header {
    position: relative;
    height: 220px; /* A6: 对齐静态站 cases.html .case-card-header 220px */
    background: linear-gradient(135deg, var(--nv-navy-900), var(--nv-navy-700));
    overflow: hidden;
}
.nv-case-card-v2__header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 40%, rgba(0,194,255,0.15) 0%, transparent 60%);
}
.nv-case-card-v2__header::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}
.nv-case-card-v2__industry {
    position: absolute;
    top: 16px;
    left: 20px;
    z-index: 2;
    padding: 5px 14px;
    background: rgba(0, 194, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 194, 255, 0.3);
    color: var(--nv-cyan-400);
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xs);
    font-weight: 600;
    border-radius: var(--nv-radius-full);
}
.nv-case-card-v2__title-block {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 18px 24px;
    z-index: 2;
}
.nv-case-card-v2__title {
    color: #fff;
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 700;
    line-height: var(--nv-leading-tight);
    margin: 0 0 4px;
}
.nv-case-card-v2__location {
    font-size: var(--nv-text-xs);
    color: rgba(255, 255, 255, 0.45);
}
.nv-case-card-v2__body {
    padding: var(--nv-space-4);
}
.nv-case-card-v2__summary {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-normal);
    margin: 0 0 var(--nv-space-3);
}
.nv-case-card-v2__metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-2);
    padding: var(--nv-space-3);
    background: var(--nv-bg-soft);
    border-radius: var(--nv-radius-md);
    margin-bottom: var(--nv-space-3);
}
.nv-case-card-v2__metric { text-align: center; }
.nv-case-card-v2__metric-value {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 700;
    color: var(--nv-cyan-600);
    line-height: 1.1;
    margin-bottom: 4px;
}
.nv-case-card-v2__metric-label {
    font-size: var(--nv-text-xs);
    color: var(--nv-text-secondary);
}
.nv-case-card-v2__tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.nv-case-card-v2__tag {
    padding: 4px 10px;
    background: var(--nv-bg-soft);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-full);
    font-size: var(--nv-text-xs);
    color: var(--nv-text-secondary);
}
.nv-case-card-v2__link-wrap { padding: 0 var(--nv-space-4) var(--nv-space-4); }

/* ---------- 新闻洞察页：特色新闻（主+侧）+ 3 列新闻卡 ---------- */
.nv-news-featured {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--nv-space-3);
    margin-bottom: var(--nv-space-5);
}
@media (max-width: 1199px) { .nv-news-featured { grid-template-columns: 1fr; } }
.nv-news-featured__main {
    position: relative;
    min-height: 360px;
    border-radius: 20px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--nv-navy-900), var(--nv-navy-700));
    display: block;
    text-decoration: none;
    color: inherit;
    transition: transform var(--nv-normal) var(--nv-ease), box-shadow var(--nv-normal) var(--nv-ease);
}
.nv-news-featured__main:hover { transform: translateY(-4px); box-shadow: var(--nv-shadow-lg); }
.nv-news-featured__main::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(0,194,255,0.18) 0%, transparent 60%);
}
.nv-news-featured__main::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}
.nv-news-featured__main-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--nv-space-5);
    z-index: 2;
}
.nv-news-featured__main-tag {
    display: inline-block;
    font-size: var(--nv-text-xs);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--nv-cyan-400);
    border: 1px solid rgba(0, 194, 255, 0.4);
    border-radius: var(--nv-radius-full);
    padding: 4px 12px;
    margin-bottom: var(--nv-space-2);
}
.nv-news-featured__main h3 {
    color: #fff;
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-2xl);
    font-weight: 700;
    line-height: var(--nv-leading-tight);
    margin: 0 0 var(--nv-space-2);
}
.nv-news-featured__main p {
    color: rgba(255, 255, 255, 0.65);
    font-size: var(--nv-text-sm);
    line-height: var(--nv-leading-normal);
    margin: 0 0 var(--nv-space-2);
}
.nv-news-featured__main-meta {
    font-size: var(--nv-text-xs);
    color: rgba(255, 255, 255, 0.45);
}
.nv-news-featured__main-meta span + span::before { content: " · "; }

.nv-news-featured__side { display: grid; gap: var(--nv-space-2); }
.nv-news-side-card {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: var(--nv-space-2);
    align-items: center;
    padding: var(--nv-space-2);
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-md);
    text-decoration: none;
    color: inherit;
    transition: border-color var(--nv-fast) var(--nv-ease), transform var(--nv-fast) var(--nv-ease);
}
.nv-news-side-card:hover { border-color: var(--nv-cyan-500); transform: translateX(4px); }
.nv-news-side-card__date {
    width: 64px;
    text-align: center;
    background: var(--nv-bg-soft);
    border-radius: var(--nv-radius-sm);
    padding: 8px 0;
}
.nv-news-side-card__date .day {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 700;
    color: var(--nv-cyan-600);
    line-height: 1;
}
.nv-news-side-card__date .month {
    font-size: var(--nv-text-xs);
    color: var(--nv-text-secondary);
    margin-top: 4px;
}
.nv-news-side-card__content h4 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-sm);
    font-weight: 600;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
    margin: 0 0 4px;
}
.nv-news-side-card__content .nv-news-side-tag {
    display: inline-block;
    font-size: var(--nv-text-xs);
    color: var(--nv-cyan-600);
}

/* 新闻卡 3 列（image + tag + date + title + excerpt + link） */
.nv-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-4);
}
@media (max-width: 1199px) { .nv-news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .nv-news-grid { grid-template-columns: 1fr; } }

.nv-news-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    overflow: hidden;
    transition: transform var(--nv-normal) var(--nv-ease), box-shadow var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease);
    display: flex;
    flex-direction: column;
}
.nv-news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--nv-shadow-md);
    border-color: var(--nv-cyan-500);
}
.nv-news-card__image {
    position: relative;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--nv-navy-900), var(--nv-navy-700));
    display: grid;
    place-items: center;
    color: var(--nv-cyan-400);
}
.nv-news-card__image-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 4px 10px;
    background: rgba(0, 194, 255, 0.15);
    border: 1px solid rgba(0, 194, 255, 0.3);
    color: var(--nv-cyan-400);
    font-size: var(--nv-text-xs);
    font-weight: 600;
    border-radius: var(--nv-radius-full);
}
.nv-news-card__body {
    padding: var(--nv-space-3);
    display: flex;
    flex-direction: column;
    flex: 1;
}
.nv-news-card__date {
    font-size: var(--nv-text-xs);
    color: var(--nv-text-secondary);
    margin-bottom: var(--nv-space-1);
}
.nv-news-card__title {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-lg);
    font-weight: 700;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
    margin: 0 0 var(--nv-space-1);
}
.nv-news-card__excerpt {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-secondary);
    line-height: var(--nv-leading-normal);
    margin: 0 0 var(--nv-space-2);
    flex: 1;
}
.nv-news-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--nv-cyan-600);
    font-family: var(--nv-font-heading);
    font-weight: 600;
    font-size: var(--nv-text-sm);
    text-decoration: none;
    transition: gap var(--nv-fast) var(--nv-ease), color var(--nv-fast) var(--nv-ease);
}
.nv-news-card__link:hover { gap: 10px; color: var(--nv-cyan-500); }

/* ---------- 关于我们页：简介 + 使命愿景 + 价值观 + 时间线 ---------- */
.nv-about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--nv-space-6);
    align-items: center;
}
@media (max-width: 1199px) { .nv-about-intro { grid-template-columns: 1fr; gap: var(--nv-space-4); } }
.nv-about-intro__text h2 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-3xl);
    font-weight: 700;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
    margin: var(--nv-space-2) 0 var(--nv-space-3);
}
.nv-about-intro__text p {
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-loose);
    margin: 0 0 var(--nv-space-2);
}
.nv-about-intro__visual {
    height: 360px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--nv-navy-900), var(--nv-navy-700));
    position: relative;
    overflow: hidden;
    display: grid;
    place-items: center;
    color: #fff;
}
.nv-about-intro__visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 40%, rgba(0,194,255,0.18) 0%, transparent 60%);
}
.nv-about-intro__visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}
.nv-about-intro__visual-inner {
    position: relative;
    text-align: center;
}
.nv-about-intro__year {
    font-family: var(--nv-font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--nv-cyan-500), var(--nv-orange-500));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    line-height: 1;
}
.nv-about-intro__year-label {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--nv-text-sm);
    margin-top: 8px;
}

.nv-mv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--nv-space-3);
}
@media (max-width: 767px) { .nv-mv-grid { grid-template-columns: 1fr; } }
.nv-mv-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-5);
    transition: transform var(--nv-normal) var(--nv-ease), box-shadow var(--nv-normal) var(--nv-ease);
}
.nv-mv-card:hover { transform: translateY(-4px); box-shadow: var(--nv-shadow-lg); }
.nv-mv-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--nv-radius-md);
    background: var(--nv-cyan-100);
    color: var(--nv-cyan-600);
    display: grid;
    place-items: center;
    margin-bottom: var(--nv-space-2);
}
.nv-mv-card h3 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 var(--nv-space-2);
}
.nv-mv-card p {
    color: var(--nv-text-primary);
    line-height: var(--nv-leading-loose);
    margin: 0;
}

.nv-values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--nv-space-3);
}
@media (max-width: 1199px) { .nv-values-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .nv-values-grid { grid-template-columns: 1fr; } }
.nv-value-card {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-radius: var(--nv-radius-lg);
    padding: var(--nv-space-4);
    transition: transform var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease);
}
.nv-value-card:hover { transform: translateY(-3px); border-color: var(--nv-cyan-500); }
.nv-value-card__num {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-base);
    font-weight: 700;
    color: var(--nv-cyan-600);
    letter-spacing: 0.08em;
    margin-bottom: var(--nv-space-1);
}
.nv-value-card h4 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-lg);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 var(--nv-space-1);
}
.nv-value-card p {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-secondary);
    line-height: var(--nv-leading-normal);
    margin: 0;
}

.nv-timeline {
    position: relative;
    max-width: 720px;
    margin: 0 auto;
    padding-left: 36px;
}
.nv-timeline::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--nv-cyan-500), var(--nv-navy-900));
}
.nv-timeline-item {
    position: relative;
    padding: 0 0 var(--nv-space-4) var(--nv-space-2);
}
.nv-timeline-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--nv-cyan-500);
    box-shadow: 0 0 0 4px rgba(0, 194, 255, 0.18);
}
.nv-timeline-item__year {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 700;
    color: var(--nv-cyan-600);
    margin-bottom: 4px;
}
.nv-timeline-item h4 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-lg);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: 0 0 4px;
}
.nv-timeline-item p {
    font-size: var(--nv-text-sm);
    color: var(--nv-text-secondary);
    line-height: var(--nv-leading-normal);
    margin: 0;
}

/* 关于我们 CTA（与全站 CTA 风格一致：深色 CTA 横幅） */
.nv-about-cta {
    text-align: center;
    padding: var(--nv-space-7) var(--nv-space-4);
    background: linear-gradient(135deg, var(--nv-navy-900), var(--nv-navy-700));
    border-radius: var(--nv-radius-lg);
    color: #fff;
    margin: 0 auto;
}
.nv-about-cta h2 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-3xl);
    font-weight: 700;
    color: #fff;
    margin: 0 0 var(--nv-space-2);
}
.nv-about-cta p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0 0 var(--nv-space-4);
}

/* ==========================================================================
   文章详情页正文排版（.nv-prose 通用：新闻文章/法律页/案例详情/WP 文章）
   结构依据 articles/templates/*.md 四类文章模板：
   导语（首段）→ H2 分节（段落/列表/表格/引用）→ FAQ（横向长卡片）→ CTA
   ========================================================================== */
.nv-prose {
    font-size: var(--nv-text-base);
    color: var(--nv-text-primary);
    word-wrap: break-word;
}
/* 首段（导语）引文样式：新闻模板要求首段一句话说清主题 */
.nv-prose > p:first-of-type {
    font-size: var(--nv-text-lg);
    color: var(--nv-text-heading);
    line-height: var(--nv-leading-loose);
}
.nv-prose h2 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-2xl);
    font-weight: 700;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
    margin: var(--nv-space-5) 0 var(--nv-space-3);
    padding-bottom: var(--nv-space-2);
    border-bottom: 1px solid var(--nv-border);
    scroll-margin-top: var(--nv-header-h, 80px);
}
.nv-prose h2:first-of-type { margin-top: 0; }
.nv-prose h3 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-xl);
    font-weight: 700;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
    margin: var(--nv-space-4) 0 var(--nv-space-2);
}
.nv-prose h4 {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-lg);
    font-weight: 700;
    color: var(--nv-navy-900);
    margin: var(--nv-space-3) 0 var(--nv-space-2);
}
.nv-prose p {
    line-height: var(--nv-leading-loose);
    margin: 0 0 var(--nv-space-3);
}
.nv-prose a {
    color: var(--nv-cyan-600);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.nv-prose a:hover { color: var(--nv-cyan-500); }
.nv-prose strong { color: var(--nv-navy-900); font-weight: 600; }
.nv-prose ul,
.nv-prose ol {
    margin: 0 0 var(--nv-space-3);
    padding-left: 1.5em;
}
.nv-prose li {
    line-height: var(--nv-leading-normal);
    margin-bottom: var(--nv-space-1);
}
.nv-prose table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--nv-text-sm);
    margin: 0 0 var(--nv-space-4);
}
.nv-prose th,
.nv-prose td {
    border: 1px solid var(--nv-border);
    padding: var(--nv-space-2) var(--nv-space-3);
    text-align: left;
    vertical-align: top;
    line-height: var(--nv-leading-normal);
}
.nv-prose th {
    background: var(--nv-bg-soft);
    font-weight: 600;
    color: var(--nv-navy-900);
}
.nv-prose tr:nth-child(even) td { background: var(--nv-bg-soft); }
.nv-prose blockquote {
    margin: 0 0 var(--nv-space-3);
    padding: var(--nv-space-2) var(--nv-space-3);
    border-left: 4px solid var(--nv-cyan-500);
    background: var(--nv-bg-soft);
    border-radius: 0 var(--nv-radius-sm) var(--nv-radius-sm) 0;
    color: var(--nv-text-primary);
}
.nv-prose pre {
    background: var(--nv-navy-900);
    color: var(--nv-text-on-dark);
    padding: var(--nv-space-3);
    border-radius: var(--nv-radius-md);
    overflow-x: auto;
    margin: 0 0 var(--nv-space-3);
}
.nv-prose code {
    font-family: var(--nv-font-mono, Consolas, Monaco, monospace);
    font-size: 0.875em;
}
.nv-prose hr {
    border: 0;
    border-top: 1px solid var(--nv-border);
    margin: var(--nv-space-4) 0;
}
@media (max-width: 767px) {
    .nv-prose { font-size: var(--nv-text-base); }
    .nv-prose h2 { font-size: var(--nv-text-xl); }
}

/* FAQ 横向长卡片（一问一答，全宽长条，Q/A 徽章分行） */
.nv-faq-item {
    background: var(--nv-white);
    border: 1px solid var(--nv-border);
    border-left: 4px solid var(--nv-cyan-500);
    border-radius: var(--nv-radius-md);
    box-shadow: var(--nv-shadow-md);
    padding: var(--nv-space-3) var(--nv-space-4);
    margin: 0 0 var(--nv-space-3);
    transition: transform var(--nv-normal) var(--nv-ease), border-color var(--nv-normal) var(--nv-ease);
}
.nv-faq-item:hover { transform: translateY(-2px); border-color: var(--nv-cyan-500); }
.nv-faq-item__q,
.nv-faq-item__a {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.nv-faq-item__q { margin: 0 0 var(--nv-space-2); }
.nv-faq-item__q .nv-faq-item__text {
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-lg);
    font-weight: 700;
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-tight);
}
.nv-faq-item__a { margin: 0; }
.nv-faq-item__a .nv-faq-item__text {
    /* 2026-08-14：答案文字颜色与问题（Q）统一为 navy-900，保证两处 FAQ 卡片（产品详情页 / 新闻文章页）A/Q 颜色完全一致 */
    color: var(--nv-navy-900);
    line-height: var(--nv-leading-normal);
}
.nv-faq-item__badge {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: inline-grid;
    place-items: center;
    border-radius: var(--nv-radius-sm);
    font-family: var(--nv-font-heading);
    font-size: var(--nv-text-sm);
    font-weight: 700;
    line-height: 1;
}
.nv-faq-item__q .nv-faq-item__badge { background: var(--nv-cyan-600); color: var(--nv-navy-900); }
.nv-faq-item__a .nv-faq-item__badge { background: var(--nv-cyan-100); color: var(--nv-navy-900); }
/* 2026-08-14：Q/A 徽章配色统一为青色系（Q 实底青 / A 浅青底），文字统一 navy-900，
   与整体页面 navy/cyan 品牌色一致；深浅对比保留 Q/A 区分度，A/Q 正文文字同为 navy-900。 */
@media (max-width: 767px) {
    .nv-faq-item { padding: var(--nv-space-3); }
    .nv-faq-item__q .nv-faq-item__text { font-size: var(--nv-text-base); }
}

/* ==========================================================================
   Fluent Forms 表单规范样式（H2：联系页 .nv-form 区域）
   对齐 UI 文档 §4.8 与全站 token：白底 + 1px cyan-200 描边（hover cyan-400）
   + focus 3px cyan 光环 + 圆角。实际生效以 override.css §①（wp_head 内联
   覆盖层，带 !important）为准，本块为规范声明与选择器兜底。
   ========================================================================== */
.nv-form .ff-el-form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid rgba(0, 194, 255, 0.45); /* cyan-200 系描边 */
    border-radius: var(--nv-radius-sm);         /* 6px 圆角，与全站 token 一致 */
    font-family: var(--nv-font-body);
    font-size: var(--nv-text-base);
    line-height: 1.5;
    color: var(--nv-text-primary);
    background: var(--nv-white);
    transition: border-color var(--nv-fast) var(--nv-ease), box-shadow var(--nv-fast) var(--nv-ease);
}
.nv-form .ff-el-form-control:hover {
    border-color: var(--nv-cyan-400); /* hover cyan-400 */
}
.nv-form .ff-el-form-control:focus {
    outline: none;
    border-color: var(--nv-cyan-500);
    box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.15); /* focus 3px cyan 光环 */
}
.nv-form textarea.ff-el-form-control {
    min-height: 96px;
    resize: vertical;
}
/* Fluent Forms 容器/内容类兜底（.ff-el-input--control 为表单输入项包装类） */
.nv-form .ff-el-input--control .ff-el-form-control,
.nv-form .ff-el-input--content .ff-el-form-control {
    border-radius: var(--nv-radius-sm);
}
.nv-form .ff-el-input--label label {
    font-weight: 600;
    font-size: var(--nv-text-sm);
    color: var(--nv-navy-900);
    margin-bottom: 6px;
}
.nv-form .ff-el-group {
    margin-bottom: var(--nv-space-3);
}