/* ========================================
   GPM产品详情页样式 - 优化整合版
   ======================================== */

/* ========== CSS变量定义 ========== */
:root {
    /* 专用详情页保留结构变量，但将主视觉值直接锚定到 V2 token。 */
    --primary-gradient: linear-gradient(135deg, var(--v2-primary-500), var(--v2-primary-600));
    --light-gradient: linear-gradient(135deg, var(--v2-bg-functional) 0%, var(--v2-bg-primary) 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --transition-default: all 0.3s ease;
}

/* ========== 页面基础布局 ========== */
.page-wrapper {
    background: linear-gradient(180deg, var(--v2-bg-content) 0%, var(--v2-bg-functional) 100%);
    min-height: 100vh;
}



.atf-section-padding {
    padding: 40px 0;
}

.atf_portfolio__details-area .container {
    background-color: #ffffff;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    margin: 20px auto;
}

/* ========== 旧图片型详情页统一收口 ==========
   说明：
   1. 导星家族里仍有一批历史页面沿用“左图片 / 右推荐”两栏模板；
   2. 这批页面现在统一改成全宽图片区 + 下沉 Related Cameras，避免右栏在不同断点下掉位；
   3. 样式同时兼容直接 img 和 picture 两种旧写法，减少历史模板差异带来的维护成本。 */
.legacy-detail-media {
    width: 100%;
}

.legacy-image-gallery {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
    overflow: hidden;
    border-radius: var(--v2-radius-sm);
}

.legacy-image-gallery > img,
.legacy-image-gallery > picture {
    width: 100%;
    display: block;
    height: auto;
    margin: 0;
}

/* 历史页里直接使用了 Bootstrap 的 col-12 类。
 * 这里显式移除列内边距，确保图片在全宽模式下不被左右压缩。 */
.legacy-image-gallery > img.col-12 {
    padding-left: 0;
    padding-right: 0;
}

.legacy-image-gallery > picture img {
    width: 100%;
    height: auto;
    display: block;
    margin: 0;
}

.legacy-detail-media .atf_portfolio__details-title {
    font-size: 24px;
    line-height: 32px;
    font-weight: 500;
    color: var(--v2-text-heading);
}

/* Related Cameras 区块直接对齐 ATR2600C：
 * 标题独立成区，卡片网格在下，不再作为右侧附属栏位存在。 */
.legacy-related-cameras {
    margin-top: 48px;
}

.legacy-related-cameras h3 {
    margin-bottom: 24px;
    font-size: 32px;
    line-height: 40px;
    font-weight: 500;
    color: var(--v2-text-heading);
}

.g3m-product-details {
    font-family: var(--thm-font);
    color: var(--v2-text-body);
    line-height: 1.6;
    position: relative;
    background-color: transparent;
}

.g3m-product-details * {
    box-sizing: border-box;
}

/* ========== 悬浮导航 ========== */
.g3m-floating-nav {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    transition: var(--transition-default);
}

.g3m-floating-nav .nav-toggle {
    position: absolute;
    left: 0;
    top: 0;
    width: auto;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--v2-primary-600), var(--v2-primary-500));
    border: none;
    border-radius: 0 8px 8px 0;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-default);
    font-size: 14px;
    font-weight: 500;
    animation: pulse 2s infinite;
}

.g3m-floating-nav .nav-toggle:hover {
    background: var(--v2-primary-600);
    padding-right: 20px;
}

.g3m-floating-nav.active .nav-toggle {
    animation: none;
}

.g3m-floating-nav.active .nav-toggle .nav-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.g3m-floating-nav .nav-content {
    position: relative;
    background: #fff;
    border-radius: 0 12px 12px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 20px 40px 30px 20px;
    width: 240px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-100%);
    transition: var(--transition-default);
}

.g3m-floating-nav.active .nav-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.g3m-floating-nav .nav-close {
    position: absolute;
    right: 10px;
    top: 10px;
    width: 30px;
    height: 30px;
    background: var(--v2-bg-functional);
    border: none;
    border-radius: 50%;
    color: var(--v2-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-default);
}

.g3m-floating-nav .nav-close:hover {
    background: var(--v2-primary-600);
    color: #fff;
}

.g3m-floating-nav h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--v2-text-heading);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--v2-bg-functional);
}

.g3m-floating-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.g3m-floating-nav li {
    margin-bottom: 8px;
}

.g3m-floating-nav .nav-link {
    display: block;
    padding: 8px 12px;
    color: var(--v2-text-body);
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    transition: var(--transition-default);
    position: relative;
    overflow: hidden;
}

.g3m-floating-nav .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--v2-primary-600);
    transition: height 0.3s ease;
}

.g3m-floating-nav .nav-link:hover,
.g3m-floating-nav .nav-link.active {
    background: var(--v2-bg-functional);
    color: var(--v2-primary-600);
}

.g3m-floating-nav .nav-link.active::before {
    height: 60%;
}

.g3m-floating-nav .nav-divider {
    height: 1px;
    background: var(--v2-bg-divider);
    margin: 20px 0;
}

.g3m-floating-nav .manual-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--v2-primary-600), var(--v2-primary-500));
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition-default);
    box-shadow: var(--shadow-sm);
}

.g3m-floating-nav .manual-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, var(--v2-primary-500), var(--v2-primary-600));
}

.g3m-floating-nav .manual-link i:first-child {
    font-size: 18px;
    margin-right: 10px;
}

.g3m-floating-nav .manual-link i:last-child {
    font-size: 12px;
    margin-left: 8px;
    opacity: 0.8;
}

/* ========== 产品区块 ========== */
.product-section {
    background-color: #ffffff;
    padding: 60px;
    border-radius: 16px;
    margin-bottom: 30px;
    scroll-margin-top: 100px;
}

/* 英雄区域 */
.hero-section {
    text-align: center;
    margin-bottom: 60px;
}

.product-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--thm-black);
    margin-bottom: 20px;
    line-height: 1.2;
}

.product-subtitle {
    font-size: 20px;
    color: var(--thm-gray);
    max-width: 1000px;
    margin: 0 auto;
}

.main-product-image {
    text-align: center;
    margin-bottom: 40px;
}

/* 主产品图片 - 兼容 picture 标签和 img 标签 */
.main-product-image img,
.main-product-image picture {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    display: block;
}

/* picture 标签内的 img 继承样式 */
.main-product-image picture img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 区块标题 */
.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--thm-black);
    margin-bottom: 40px;
    text-align: center;
}

.section-desc {
    font-size: 18px;
    color: var(--thm-gray);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
}

/* ========== 功能描述 ========== */
.function-description {
    background: var(--light-gradient);
    padding: 60px;
    border-radius: 20px;
    margin-top: 60px;
}

.function-description h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--thm-black);
    margin-bottom: 25px;
}

.function-description > p {
    font-size: 18px;
    color: var(--thm-gray);
    line-height: 1.8;
    margin-bottom: 40px;
}

/* 特性列表 */
.feature-list {
    background: #fff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.feature-list h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--thm-black);
    margin-bottom: 25px;
}

.feature-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
}

.feature-list li {
    display: flex;
    align-items: center;
    font-size: 16px;
    color: var(--thm-p);
    padding: 10px 0;
}

.feature-list li i {
    color: var(--thm-base);
    margin-right: 12px;
    font-size: 18px;
    flex-shrink: 0;
}

/* ========== 特性网格 ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background: var(--thm-f6);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition-default);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--thm-base);
    margin-bottom: 15px;
}

.feature-label {
    font-size: 20px;
    font-weight: 600;
    color: var(--thm-black);
    margin-bottom: 10px;
}

.feature-desc {
    font-size: 14px;
    color: var(--thm-gray);
}

/* ========== 技术特性 ========== */
.tech-highlight {
    background: var(--primary-gradient);
    color: #fff;
    padding: 60px;
    border-radius: 20px;
    text-align: center;
    margin-bottom: 60px;
}

.tech-highlight h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
}

.tech-highlight p {
    font-size: 18px;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.tech-feature {
    margin-bottom: 60px;
}

.tech-feature h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--thm-black);
    margin-bottom: 20px;
}

.tech-feature p {
    font-size: 18px;
    color: var(--thm-gray);
    line-height: 1.8;
    margin-bottom: 30px;
}

/* 技术特性图片 - 兼容 picture 标签和 img 标签。
 * 仅给 tech-feature 的直接媒体子节点加间距，避免 picture 内部 img 继承后产生重复缝隙。 */
.tech-feature > img,
.tech-feature > picture {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin-top: 20px;
    box-shadow: var(--shadow-md);
    display: block;
}

/* picture 标签内的 img 继承样式。
 * 切分机械图在同一 tech-feature 内需要首尾贴合，这里显式移除内部图片额外外边距。 */
.tech-feature > picture img {
    width: 100%;
    height: auto;
    display: block;
    margin-top: 0;
}

/* 同一组被拆分的机械图需要无缝拼接。
 * 连续的直接媒体子节点不再额外增加顶部间距，并移除圆角和阴影，
 * 避免图与图之间因为圆角露底色或阴影外扩而看起来有白缝。 */
.tech-feature > img + img,
.tech-feature > img + picture,
.tech-feature > picture + img,
.tech-feature > picture + picture {
    margin-top: 0;
    border-radius: 0;
    box-shadow: none;
}

/* 连续切图中的首张如果保留底部圆角或阴影，拼接处仍会显得断层。
 * 因此只要后面还有直接媒体兄弟节点，就同步取消首张的圆角和阴影。 */
.tech-feature > img:has(+ img),
.tech-feature > img:has(+ picture),
.tech-feature > picture:has(+ img),
.tech-feature > picture:has(+ picture) {
    border-radius: 0;
    box-shadow: none;
}

.feature-with-bg {
    background: var(--thm-fb);
    border-radius: 20px;
    padding: 60px;
}

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

.text-content h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--thm-black);
    margin-bottom: 20px;
}

.text-content p {
    font-size: 18px;
    color: var(--thm-gray);
    line-height: 1.8;
}

/* ========== GPM专属：帧缓存说明 ========== */
.gpm-frame-buffer {
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 100%);
    border-radius: 20px;
    padding: 50px;
    margin-bottom: 60px;
}

.buffer-explanation {
    background: #ffffff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.buffer-content h4 {
    font-size: 22px;
    font-weight: 600;
    color: var(--thm-base);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.buffer-content h4::before {
    content: '💾';
    margin-right: 10px;
    font-size: 24px;
}

.buffer-content > p {
    font-size: 17px;
    color: var(--thm-gray);
    line-height: 1.8;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--thm-f6);
    border-radius: 12px;
    border-left: 4px solid var(--thm-base);
}

.buffer-benefits h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--thm-black);
    margin-bottom: 25px;
}

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

.buffer-list li {
    background: var(--thm-f6);
    padding: 20px 25px;
    margin-bottom: 15px;
    border-radius: 12px;
    border-left: 3px solid var(--thm-base);
    transition: var(--transition-default);
}

.buffer-list li:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.buffer-list li strong {
    color: var(--thm-base);
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
}

/* ========== GPM专属：导星性能分析 ========== */
.guiding-performance {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.performance-chart {
    background: var(--thm-f6);
    padding: 40px;
    border-radius: 16px;
}

.performance-chart h3,
.performance-data h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--thm-black);
    margin-bottom: 20px;
}

.performance-data {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.performance-data h3 {
    text-align: center;
}

.chart-description {
    font-size: 15px;
    color: var(--thm-gray);
    line-height: 1.7;
    margin: 15px 0 20px 0;
    padding: 15px;
    background: var(--thm-f6);
    border-radius: 8px;
    border-left: 3px solid var(--thm-base);
}

/* ========== 表格样式 ========== */
.specs-table-wrapper,
.frame-rate-table,
.performance-data {
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    border-radius: 12px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    box-shadow: var(--shadow-md);
}

.specs-table th,
.specs-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid var(--thm-f3);
}

.specs-table th {
    background: var(--thm-f6);
    font-weight: 600;
    color: var(--thm-black);
    width: 30%;
}

.specs-table td {
    color: var(--thm-gray);
}

.specs-table tr:last-child th,
.specs-table tr:last-child td {
    border-bottom: none;
}

/* 规格表格分组 */
.specs-group {
    margin-bottom: 40px;
}

.specs-subtitle {
    font-size: 22px;
    font-weight: 600;
    color: var(--thm-black);
    margin-bottom: 20px;
    padding-left: 15px;
    position: relative;
}

.specs-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--thm-base);
    border-radius: 2px;
}

/* 性能表格 */
.performance-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: 10px;
}

.performance-table thead {
    background: var(--thm-line);
    color: #ffffff;
}

.performance-table th {
    padding: 15px 12px;
    text-align: center;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.3px;
}

.performance-table tbody td {
    padding: 16px 12px;
    text-align: center;
    border: 1px solid var(--thm-f3);
    font-size: 15px;
    color: var(--thm-p);
    font-weight: 500;
}

.performance-table tbody tr:hover {
    background-color: var(--thm-f6);
    transform: scale(1.01);
    box-shadow: var(--shadow-sm);
}

.performance-table tbody td:first-child {
    font-weight: 600;
    color: var(--thm-black);
    background-color: rgba(245, 248, 250, 0.5);
}

.performance-table tbody td:not(:first-child) {
    font-family: 'Roboto Mono', monospace;
    color: var(--thm-base);
}

.table-note {
    font-size: 14px;
    color: var(--thm-gray);
    font-style: italic;
    margin-top: 10px;
}

/* GPM导星性能表格特殊样式 */
.performance-data .specs-table thead th {
    background: var(--thm-line);
    color: #ffffff;
    text-align: center;
    padding: 15px 10px;
    font-size: 14px;
}

.performance-data .specs-table tbody th {
    background: var(--thm-f6);
    font-weight: 600;
    text-align: left;
    padding: 12px 15px;
    white-space: nowrap;
}

.performance-data .specs-table tbody td {
    text-align: center;
    color: var(--thm-base);
    font-weight: 500;
    font-family: 'Roboto Mono', monospace;
}

/* ========== 尺寸接口 ========== */
.dimensions-gallery {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 尺寸图库图片 - 兼容 picture 标签和 img 标签 */
.dimensions-gallery img,
.dimensions-gallery picture {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
}

/* picture 标签内的 img 继承样式 */
.dimensions-gallery picture img {
    width: 100%;
    height: auto;
    display: block;
}

.dimension-notes {
    margin-top: 40px;
    background: var(--thm-f6);
    padding: 40px;
    border-radius: 16px;
}

.dimension-notes h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--thm-black);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
}

.dimension-notes h3::before {
    content: '';
    width: 4px;
    height: 22px;
    background: var(--thm-base);
    margin-right: 12px;
    border-radius: 2px;
}

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

.dimension-list li {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--thm-f3);
    font-size: 16px;
    color: var(--thm-p);
}

.dimension-list li:last-child {
    border-bottom: none;
}

.dimension-list li::before {
    content: '▸';
    color: var(--thm-base);
    margin-right: 12px;
    font-weight: bold;
    font-size: 18px;
}

/* ========== 包装内容 ========== */
.package-images {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 30px;
}

/* 包装图片 - 兼容 picture 标签和 img 标签 */
.package-images img,
.package-images picture {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
}

/* picture 标签内的 img 继承样式 */
.package-images picture img {
    width: 100%;
    height: auto;
    display: block;
}

.package-list {
    background: var(--thm-f6);
    padding: 40px;
    border-radius: 16px;
    margin-top: 30px;
}

.package-list h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--thm-black);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
}

.package-list h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--thm-base);
    margin-right: 12px;
    border-radius: 2px;
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.package-item {
    display: flex;
    align-items: flex-start;
    padding: 15px 20px;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-default);
}

.package-item:hover {
    transform: translateX(8px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    background: linear-gradient(to right, #ffffff, var(--thm-f6));
}

.package-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--thm-base);
    color: #ffffff;
    font-weight: 700;
    font-size: 18px;
    border-radius: 50%;
    margin-right: 15px;
    flex-shrink: 0;
}

.package-desc {
    flex: 1;
    font-size: 16px;
    color: var(--thm-p);
    line-height: 1.6;
}

.package-note {
    font-size: 14px;
    color: var(--thm-gray);
    font-style: italic;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    border-left: 3px solid var(--thm-base);
}

/* ========== 动画 ========== */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(85, 198, 239, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(85, 198, 239, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(85, 198, 239, 0);
    }
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
    .g3m-floating-nav {
        display: none;
    }

    .product-title {
        font-size: 36px;
    }

    .section-title {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .atf_portfolio__details-area .container {
        padding: 20px;
        border-radius: var(--v2-radius-sm);
    }

    .legacy-detail-media .atf_portfolio__details-title {
        font-size: 20px;
        line-height: 28px;
        font-weight: 500;
    }

    .legacy-related-cameras h3 {
        font-size: 24px;
        line-height: 32px;
        font-weight: 500;
    }

    .product-section {
        padding: 40px 20px;
        margin-bottom: 20px;
    }

    .hero-section {
        margin-bottom: 40px;
    }

    .product-title {
        font-size: 28px;
    }

    .product-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    /* 特性网格 */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .feature-value {
        font-size: 36px;
    }

    /* 功能描述 */
    .function-description {
        padding: 40px 20px;
        margin-top: 40px;
    }

    .function-description h2 {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .function-description > p {
        font-size: 16px;
        margin-bottom: 30px;
    }

    /* 特性列表 */
    .feature-list {
        padding: 25px 20px;
    }

    .feature-list h3 {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .feature-list ul {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .feature-list li {
        font-size: 15px;
        padding: 8px 0;
    }

    /* 技术特性 */
    .tech-highlight {
        padding: 40px 20px;
    }

    .tech-highlight h3 {
        font-size: 24px;
    }

    .tech-highlight p {
        font-size: 16px;
    }

    .feature-with-bg {
        padding: 40px 20px;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    /* GPM帧缓存 */
    .gpm-frame-buffer {
        padding: 30px 20px;
    }

    .buffer-explanation {
        padding: 25px 20px;
    }

    .buffer-content h4 {
        font-size: 20px;
    }

    .buffer-content > p {
        font-size: 15px;
        padding: 15px;
    }

    .buffer-list li {
        padding: 15px 20px;
        font-size: 14px;
    }

    /* 导星性能 */
    .performance-chart,
    .performance-data {
        padding: 25px 20px;
    }

    .performance-chart h3,
    .performance-data h3 {
        font-size: 20px;
    }

    /* 表格 */
    .specs-table {
        font-size: 14px;
    }

    .specs-table th,
    .specs-table td {
        padding: 15px;
    }

    .performance-table {
        min-width: 500px;
        font-size: 14px;
    }

    .performance-data > .specs-table {
        min-width: 560px;
    }

    .performance-table th,
    .performance-table td {
        padding: 10px 8px;
        font-size: 13px;
    }

    /* 尺寸说明 */
    .dimension-notes {
        padding: 25px 20px;
    }

    .dimension-notes h3 {
        font-size: 20px;
    }

    .dimension-list li {
        font-size: 14px;
        padding: 10px 0;
    }

    /* 包装内容 */
    .package-list {
        padding: 30px 20px;
    }

    .package-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .package-item {
        padding: 12px 15px;
    }

    .package-label {
        width: 30px;
        height: 30px;
        font-size: 16px;
        margin-right: 12px;
    }

    .package-desc {
        font-size: 14px;
    }

    /* 图表说明 */
    .chart-description {
        font-size: 14px;
        padding: 12px;
        margin: 12px 0 16px 0;
    }
}

@media (max-width: 480px) {
    .product-title {
        font-size: 24px;
    }

    .product-subtitle {
        font-size: 14px;
    }

    .section-title {
        font-size: 20px;
    }

    .feature-value {
        font-size: 28px;
    }

    .feature-label {
        font-size: 16px;
    }

    /* 功能描述 */
    .function-description {
        padding: 30px 15px;
        margin-top: 30px;
    }

    .function-description h2 {
        font-size: 22px;
    }

    .function-description > p {
        font-size: 15px;
        line-height: 1.6;
    }

    .feature-list {
        padding: 20px 15px;
    }

    .feature-list h3 {
        font-size: 18px;
    }

    .feature-list li {
        font-size: 14px;
        padding: 6px 0;
    }

    /* GPM帧缓存 */
    .gpm-frame-buffer {
        padding: 20px 15px;
        margin-bottom: 40px;
    }

    .buffer-explanation {
        padding: 20px 15px;
    }

    .buffer-content h4 {
        font-size: 18px;
    }

    .buffer-content > p {
        font-size: 14px;
        padding: 12px;
        margin-bottom: 20px;
    }

    .buffer-list li {
        padding: 12px 15px;
        margin-bottom: 10px;
        font-size: 13px;
    }

    /* 导星性能 */
    .performance-chart,
    .performance-data {
        padding: 20px 15px;
    }

    .performance-chart h3,
    .performance-data h3 {
        font-size: 18px;
        margin-bottom: 15px;
    }

    /* 尺寸说明 */
    .dimension-notes {
        padding: 20px 15px;
        margin-top: 30px;
    }

    .dimension-notes h3 {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .dimension-list li {
        font-size: 13px;
        padding: 8px 0;
    }

    /* 包装内容 */
    .package-label {
        width: 26px;
        height: 26px;
        font-size: 13px;
    }

    .package-desc {
        font-size: 13px;
    }

    .package-note {
        font-size: 12px;
        padding: 12px 15px;
    }
}

/* ========== 打印样式 ========== */
@media print {
    .g3m-floating-nav {
        display: none;
    }

    .product-section {
        page-break-inside: avoid;
        padding: 30px;
    }

    .specs-table,
    .performance-table {
        font-size: 11px;
    }

    .buffer-list li,
    .dimension-list li,
    .package-item {
        page-break-inside: avoid;
    }
}
/* ========================================
   V2 Shared Alignment
   说明：导星相机页沿用原有结构，仅将通用详情层收口到共享 V2 视觉。
   ======================================== */

body.product-detail-v2 .page-wrapper {
    /* 详情页外层背景统一回到视觉规范内容底色，避免家族样式再次叠加品牌渐变。 */
    background: var(--v2-bg-content);
}

body.product-detail-v2 .atf_portfolio__details-area .container {
    border: 1px solid rgba(var(--v2-primary-500-rgb), 0.06);
    border-radius: var(--v2-radius-sm);
    box-shadow: var(--v2-shadow-card);
}

body.product-detail-v2 .guiding-camera-details {
    color: var(--v2-text-body);
}

body.product-detail-v2 .guiding-camera-floating-nav .nav-toggle {
    animation: none;
}

body.product-detail-v2 .product-section {
    border: 1px solid rgba(var(--v2-primary-500-rgb), 0.06);
    border-radius: var(--v2-radius-lg);
    box-shadow: var(--v2-shadow-card);
    scroll-margin-top: var(--detail-scroll-offset);
}

body.product-detail-v2 .product-title {
    color: var(--v2-text-heading);
}

body.product-detail-v2 .product-subtitle {
    color: var(--v2-text-secondary);
}

body.product-detail-v2 .main-product-image img,
body.product-detail-v2 .main-product-image picture,
body.product-detail-v2 .main-product-image .img-fluid {
    border-radius: var(--v2-radius-md);
    box-shadow: var(--v2-shadow-card);
}

body.product-detail-v2 .main-product-image img:hover,
body.product-detail-v2 .main-product-image picture:hover,
body.product-detail-v2 .main-product-image .img-fluid:hover {
    transform: translateY(-4px);
    box-shadow: var(--v2-shadow-card-hover);
}

/* ========================================
   V2 Guide Final Alignment
   说明：
   - 导星相机页继续统一按钮、表格、参数标签和说明块。
   ======================================== */

body.product-detail-v2 .atf_portfolio__details-area.bg-f6 {
    background: transparent !important;
    background-color: transparent !important;
}

body.product-detail-v2 .product-section,
body.product-detail-v2 .guiding-feature-card,
body.product-detail-v2 .buffer-card,
body.product-detail-v2 .package-item,
body.product-detail-v2 .dimension-card {
    background: var(--v2-bg-primary);
    border-color: var(--v2-bg-divider);
}

body.product-detail-v2 .buffer-list li,
body.product-detail-v2 .dimension-list li,
body.product-detail-v2 .feature-list li {
    color: var(--v2-text-body);
}

body.product-detail-v2 .buffer-list li::before,
body.product-detail-v2 .dimension-list li::before,
body.product-detail-v2 .feature-list li i {
    color: var(--v2-primary-500);
}

body.product-detail-v2 .buy-btn,
body.product-detail-v2 .manual-link,
body.product-detail-v2 .btn-primary {
    background: var(--v2-primary-500);
    border-color: var(--v2-primary-500);
    color: var(--v2-text-inverse);
}

body.product-detail-v2 .buy-btn:hover,
body.product-detail-v2 .manual-link:hover,
body.product-detail-v2 .btn-primary:hover {
    background: var(--v2-primary-400);
    border-color: var(--v2-primary-400);
}

/* ========================================
   GPM Detail Visual Spec Alignment
   说明：
   - GPM 完整详情页保留现有内容结构，仅收口标题、正文、图片、表格和模块半径。
   - product-detail-v2-surface.css 后加载会移除阴影，这里只对本族关键视觉值加强约束。
   ======================================== */

body.product-detail-v2 .g3m-product-details .product-title {
    font-size: 48px;
    line-height: 56px;
    font-weight: 500;
    color: var(--v2-text-heading);
}

body.product-detail-v2 .g3m-product-details .product-subtitle,
body.product-detail-v2 .g3m-product-details .section-desc,
body.product-detail-v2 .g3m-product-details .function-description > p,
body.product-detail-v2 .g3m-product-details .tech-feature p,
body.product-detail-v2 .g3m-product-details .tech-highlight p,
body.product-detail-v2 .g3m-product-details .feature-desc,
body.product-detail-v2 .g3m-product-details .dimension-list li,
body.product-detail-v2 .g3m-product-details .package-desc {
    font-size: 16px;
    line-height: 24px;
    color: var(--v2-text-body);
}

body.product-detail-v2 .g3m-product-details .section-title,
body.product-detail-v2 .g3m-product-details .function-description h2,
body.product-detail-v2 .g3m-product-details .tech-highlight h3 {
    font-size: 32px;
    line-height: 40px;
    font-weight: 500;
    color: var(--v2-text-heading);
}

body.product-detail-v2 .g3m-product-details .tech-highlight h3,
body.product-detail-v2 .g3m-product-details .tech-highlight p {
    color: var(--v2-text-inverse);
}

body.product-detail-v2 .g3m-product-details .feature-list h3,
body.product-detail-v2 .g3m-product-details .tech-feature h3,
body.product-detail-v2 .g3m-product-details .dimension-notes h3,
body.product-detail-v2 .g3m-product-details .package-list h3,
body.product-detail-v2 .g3m-product-details .specs-subtitle {
    font-size: 24px;
    line-height: 32px;
    font-weight: 500;
    color: var(--v2-text-heading);
}

body.product-detail-v2 .g3m-product-details .feature-value {
    font-size: 48px;
    line-height: 56px;
    font-weight: 500;
    color: var(--v2-primary-500);
}

body.product-detail-v2 .g3m-product-details .feature-label {
    font-size: 20px;
    line-height: 28px;
    font-weight: 500;
    color: var(--v2-text-heading);
}

body.product-detail-v2 .g3m-product-details .feature-list li,
body.product-detail-v2 .g3m-product-details .specs-table th,
body.product-detail-v2 .g3m-product-details .specs-table td,
body.product-detail-v2 .g3m-product-details .performance-table th,
body.product-detail-v2 .g3m-product-details .performance-table td,
body.product-detail-v2 .g3m-product-details .package-note {
    font-size: 16px;
    line-height: 24px;
}

body.product-detail-v2 .g3m-product-details .main-product-image img,
body.product-detail-v2 .g3m-product-details .main-product-image picture,
body.product-detail-v2 .g3m-product-details .function-description,
body.product-detail-v2 .g3m-product-details .feature-list,
body.product-detail-v2 .g3m-product-details .feature-card,
body.product-detail-v2 .g3m-product-details .tech-highlight,
body.product-detail-v2 .g3m-product-details .tech-feature,
body.product-detail-v2 .g3m-product-details .feature-with-bg,
body.product-detail-v2 .g3m-product-details .gpm-frame-buffer,
body.product-detail-v2 .g3m-product-details .gpm-dual-gain,
body.product-detail-v2 .g3m-product-details .dual-gain-explanation,
body.product-detail-v2 .g3m-product-details .gain-mode-card,
body.product-detail-v2 .g3m-product-details .buffer-explanation,
body.product-detail-v2 .g3m-product-details .buffer-content > p,
body.product-detail-v2 .g3m-product-details .buffer-list li,
body.product-detail-v2 .g3m-product-details .tech-feature > img,
body.product-detail-v2 .g3m-product-details .tech-feature > picture,
body.product-detail-v2 .g3m-product-details .specs-table-wrapper,
body.product-detail-v2 .g3m-product-details .frame-rate-table,
body.product-detail-v2 .g3m-product-details .performance-data,
body.product-detail-v2 .g3m-product-details .specs-table,
body.product-detail-v2 .g3m-product-details .performance-table,
body.product-detail-v2 .g3m-product-details .dimensions-gallery img,
body.product-detail-v2 .g3m-product-details .dimensions-gallery picture,
body.product-detail-v2 .g3m-product-details .dimension-notes,
body.product-detail-v2 .g3m-product-details .package-images img,
body.product-detail-v2 .g3m-product-details .package-images picture,
body.product-detail-v2 .g3m-product-details .package-list,
body.product-detail-v2 .g3m-product-details .package-item,
body.product-detail-v2 .g3m-floating-nav .nav-content,
body.product-detail-v2 .g3m-floating-nav .manual-link {
    border-radius: var(--v2-radius-sm) !important;
}

body.product-detail-v2 .g3m-floating-nav .nav-content,
body.product-detail-v2 .g3m-floating-nav .nav-toggle {
    animation: none;
}

@media (max-width: 768px) {
    body.product-detail-v2 .g3m-product-details .product-title {
        font-size: 28px;
        line-height: 36px;
        font-weight: 500;
    }

    body.product-detail-v2 .g3m-product-details .section-title,
    body.product-detail-v2 .g3m-product-details .function-description h2,
    body.product-detail-v2 .g3m-product-details .tech-highlight h3 {
        font-size: 24px;
        line-height: 32px;
        font-weight: 500;
    }

    body.product-detail-v2 .g3m-product-details .feature-list h3,
    body.product-detail-v2 .g3m-product-details .tech-feature h3,
    body.product-detail-v2 .g3m-product-details .dimension-notes h3,
    body.product-detail-v2 .g3m-product-details .package-list h3,
    body.product-detail-v2 .g3m-product-details .specs-subtitle,
    body.product-detail-v2 .g3m-product-details .feature-label {
        font-size: 20px;
        line-height: 28px;
        font-weight: 500;
    }
}