/* 产品详情页样式 */

.page-product-detail {
    background: #ffffff;
}

/* ========== Hero / 面包屑 ========== */
.pd-hero {
    position: relative;
    box-sizing: border-box;
    overflow: hidden;
    background-color: #eaf3ff;
    background-repeat: no-repeat;
    background-position: center top;
    background-size: cover;
    padding-bottom: 80px;
}

.pd-hero-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding-top: 40px;
}

.pd-breadcrumb {
    flex-shrink: 0;
    margin-bottom: 12px;
}

.pd-breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.pd-breadcrumb li {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    line-height: 1.4;
    color: #8a93a3;
}

.pd-breadcrumb li:not(:last-child)::after {
    content: '>';
    margin: 0 10px;
    color: #b0b7c3;
    font-weight: 400;
}

.pd-breadcrumb a {
    display: inline-flex;
    align-items: center;
    color: #8a93a3;
    transition: color 0.25s ease;
}

.pd-breadcrumb a:hover {
    color: #0162e4;
}

.pd-breadcrumb li[aria-current='page'] {
    color: #666666;
    max-width: 360px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pd-breadcrumb-home {
    display: block;
    width: 16px;
    height: 16px;
    color: #8a93a3;
}

/* 左右布局：左侧内容自适应，右侧自动填充剩余宽度 */
.pd-hero-main {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 24px;
    flex: 1;
    min-height: 0;
}

.pd-hero-copy {
    flex: 0 1 803px;
    width: 100%;
    max-width: 803px;
    min-width: 0;
    padding-top: 12px;
    animation: product-fade-up 0.7s ease both;
}

.pd-hero-category {
    margin: 55px 0 30px;
    font-size: clamp(22px, 2vw, 40px);
    font-weight: 500;
    line-height: 1.3;
    color: #0162e4;
}

.pd-hero-model {
    margin: 0;
    font-size: clamp(48px, 5vw, 100px);
    font-weight: 700;
    line-height: 1.1;
    color: #1a1a1a;
    letter-spacing: 0.02em;
}

.pd-hero-name {
    margin: 8px 0 0;
    font-size: clamp(28px, 2.8vw, 60px);
    font-weight: 700;
    line-height: 1.25;
    color: #222222;
}

.pd-hero-highlights {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.pd-hero-highlights li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 20px;
}

.pd-hero-highlights li:first-child {
    padding-left: 0;
}

.pd-hero-highlights li:not(:last-child) {
    border-right: 1px solid #d0d5dd;
}

.pd-hero-highlights li span {
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 20px;
    font-weight: normal;
    line-height: 20px;
    letter-spacing: 0em;
    font-variation-settings: 'opsz' auto;
    font-feature-settings: 'kern' on;
    color: #222222;
    white-space: nowrap;
}

.pd-hero-highlight-icon {
    display: block;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    object-fit: contain;
}

.pd-hero-media {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1 1 auto;
    min-width: 0;
    max-width: 900px;
    margin-left: auto;
    aspect-ratio: 1 / 1;
    animation: product-fade-up 0.75s ease both;
}

.pd-hero-media img {
    width: 100%;
    height: 100%;
    max-width: 900px;
    object-fit: contain;
    filter: drop-shadow(0 24px 48px rgba(1, 98, 228, 0.18));
}

/* ========== 卖点网格（左侧白卡片） ========== */
.pd-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: 0;
    width: 100%;
    max-width: 803px;
    height: 353px;
    margin: 60px 0 0;
    padding: 20px 12px;
    list-style: none;
    box-sizing: border-box;
    border-radius: 20px;
    opacity: 1;
    background: linear-gradient(307deg, #fdfeff 47%, #f3f7fd 97%);
    border: 1px solid #ffffff;
    box-shadow: 0px 10px 20px 0px rgba(176, 204, 234, 0.4);
}

.pd-feature-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 12px;
    min-height: 0;
    height: 100%;
    padding: 18px 16px;
    box-sizing: border-box;
    background: transparent;
    border-radius: 0;
}

.pd-feature-item:hover {
    transform: none;
    box-shadow: none;
}

/* 连续十字分割线：边框相接，无断层 */
.pd-feature-item:not(:nth-child(4n)) {
    border-right: 1px solid #e4ebf4;
}

.pd-feature-item:nth-child(-n+4) {
    border-bottom: 1px solid #e4ebf4;
}

.pd-feature-icon {
    display: block;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    object-fit: contain;
}

.pd-feature-text {
    min-width: 0;
    width: 100%;
}

.pd-feature-text strong {
    display: block;
    margin-bottom: 6px;
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.35;
    color: #222222;
}

.pd-feature-text p {
    margin: 0;
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 12px;
    line-height: 1.45;
    color: #888888;
}

/* ========== 规格与安装 ========== */
.pd-specs {
    padding: 56px 0 72px;
    background: #f4f9ff;
}

.pd-specs-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 40px 48px;
    align-items: stretch;
}

.pd-params,
.pd-install {
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: 100%;
}

.pd-block-title {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 16px;
    margin: 0 0 24px;
    flex-shrink: 0;
}

.pd-block-title-icon {
    display: block;
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    object-fit: contain;
}

.pd-block-title-main {
    position: relative;
    display: inline-block;
    z-index: 0;
}

.pd-block-title-zh {
    position: relative;
    z-index: 1;
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 30px;
    font-weight: 500;
    line-height: normal;
    letter-spacing: 0em;
    font-variation-settings: 'opsz' auto;
    font-feature-settings: 'kern' on;
    color: #222222;
}

/* 标题下方蓝色块：宽度跟随文案 */
.pd-block-title-bar {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 4px;
    z-index: 0;
    width: 100%;
    height: 12px;
    opacity: 1;
    background: rgba(1, 98, 228, 0.28);
    pointer-events: none;
}

.pd-block-title-en {
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    font-weight: 500;
    line-height: normal;
    text-transform: uppercase;
    letter-spacing: 0em;
    font-variation-settings: 'opsz' auto;
    font-feature-settings: 'kern' on;
    color: #999999;
    align-self: flex-end;
    padding-bottom: 6px;
}

.pd-params-table-wrap {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(1, 98, 228, 0.08);
    background: #ffffff;
}

.pd-params-table {
    width: 100%;
    height: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.pd-params-table th,
.pd-params-table td {
    padding: 0 24px;
    text-align: left;
    border: none;
    vertical-align: middle;
    letter-spacing: 0em;
    font-variation-settings: 'opsz' auto;
    font-feature-settings: 'kern' on;
}

.pd-params-table thead th {
    height: 56px;
    background: #0162e4;
    font-size: 24px;
    font-weight: 500;
    line-height: normal;
    color: #ffffff;
}

.pd-params-table thead th:first-child {
    width: 38%;
    border-right: 1px solid rgba(255, 255, 255, 0.85);
}

.pd-params-table tbody tr {
    height: 56px;
}

.pd-params-table tbody tr:nth-child(odd) {
    background: #ffffff;
}

.pd-params-table tbody tr:nth-child(even) {
    background: #f1f6fd;
}

.pd-params-table tbody td {
    font-size: 20px;
    font-weight: normal;
    line-height: normal;
    color: #333333;
}

.pd-params-table tbody td:first-child {
    font-weight: 500;
    color: #333333;
    border-right: 1px solid #e4ebf4;
}

/* 安装示意：2×2 填满右侧，与左侧等高 */
.pd-install-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: 20px;
    flex: 1 1 auto;
    min-height: 720px;
}

.pd-install-card {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 10px;
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(1, 98, 228, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pd-install-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(1, 98, 228, 0.14);
}

.pd-install-media {
    width: 100%;
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
    background: #e8eef6;
}

.pd-install-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.pd-install-card:hover .pd-install-media img {
    transform: scale(1.04);
}

.pd-install-caption {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    padding: 14px 16px 16px;
    background: #ffffff;
}

.pd-install-icon {
    display: block;
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    object-fit: contain;
}

.pd-install-caption strong {
    display: block;
    margin-bottom: 4px;
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 20px;
    font-weight: normal;
    line-height: normal;
    letter-spacing: 0em;
    font-variation-settings: 'opsz' auto;
    font-feature-settings: 'kern' on;
    color: #333333;
}

.pd-install-caption p {
    margin: 0;
    font-size: 13px;
    line-height: 1.45;
    color: #888888;
}

/* ========== 相关推荐 ========== */
.pd-related {
    padding: 64px 0 80px;
    background: #f7f8fa;
}

.pd-related-desc {
    margin: -24px auto 40px;
    max-width: none;
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 26px;
    font-weight: normal;
    line-height: 30px;
    text-align: center;
    letter-spacing: 0em;
    font-variation-settings: 'opsz' auto;
    font-feature-settings: 'kern' on;
    color: #666666;
}

.pd-related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(50px, 1.5vw, 32px);
    align-items: stretch;
}

.pd-related-card {
    position: relative;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(1, 98, 228, 0.08);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid transparent;
}

.pd-related-card:hover {
    border-color: #0162e4;
    box-shadow: 0 10px 20px rgba(176, 204, 234, 0.4);
}

.pd-related-badge {
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-sizing: border-box;
    height: 40px;
    padding: 0 20px 0 12px;
    border-radius: 12px 999px 999px 0;
    background: #0162e4;
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 20px;
    font-weight: normal;
    line-height: 30px;
    letter-spacing: 0em;
    font-variation-settings: 'opsz' auto;
    font-feature-settings: 'kern' on;
    color: #ffffff;
    white-space: nowrap;
}

.pd-related-badge img {
    display: block;
    width: 20px;
    height: 25px;
    object-fit: contain;
    flex-shrink: 0;
    /* 去掉素材黑底，保留白色火焰 */
    mix-blend-mode: screen;
}

.pd-related-media {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 360px;
    padding: 28px 24px 12px;
    border-bottom: 1px solid #e2e2e2;
}

.pd-related-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.pd-related-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 18px 22px 22px;
}

.pd-related-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.pd-related-title h3 {
    margin: 0;
    font-size: 24px;
    font-weight: 500;
    color: #222222;
}

.pd-related-title p {
    margin: 0;
    font-size: 15px;
    color: #555555;
    text-align: right;
}

.pd-related-specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 0 0 20px;
    padding: 0;
    list-style: none;
}

.pd-related-specs li {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 6px;
}

.pd-related-specs img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.pd-related-specs span {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pd-related-specs em {
    font-style: normal;
    font-size: 13px;
    color: #666666;
}

.pd-related-specs small {
    font-size: 15px;
    font-weight: 500;
    color: #0162e4;
}

.pd-related-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-sizing: border-box;
    width: 100%;
    max-width: 472px;
    height: clamp(52px, 4.2vw, 72px);
    margin: auto auto 0;
    border-radius: 16px;
    opacity: 1;
    background: #ffffff;
    border: 2px solid #0162e4;
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: clamp(18px, 1.6vw, 30px);
    font-weight: normal;
    line-height: 1;
    letter-spacing: 0em;
    font-variation-settings: 'opsz' auto;
    font-feature-settings: 'kern' on;
    color: #0162e4;
    transition: background 0.25s ease, color 0.25s ease;
}

.pd-related-btn img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    transition: filter 0.25s ease;
}

.pd-related-btn:hover {
    background: #0162e4;
    color: #ffffff;
}

.pd-related-btn:hover img {
    filter: brightness(0) invert(1);
}

/* ========== CTA 咨询方案区域（与首页一致） ========== */
.cta-band {
    position: relative;
    width: 100%;
    min-height: clamp(360px, calc(100vw / 2.34), 820px);
    background: url('../image/index/bg_zhuizong.webp') center / cover no-repeat;
    display: flex;
    align-items: center;
    box-sizing: border-box;
}

.cta-copy {
    position: relative;
    z-index: 1;
    margin-left: 120px;
}

.cta-copy h2 {
    font-family: 'Alimama ShuHeiTi', '阿里妈妈数黑体', 'PingFang SC',
        'Microsoft YaHei', sans-serif;
    font-size: 50px;
    font-weight: bold;
    line-height: 80px;
    letter-spacing: 0em;
    font-variation-settings: 'opsz' auto;
    font-feature-settings: 'kern' on;
    color: #333333;
    margin-bottom: 16px;
}

.cta-copy p {
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 36px;
    font-weight: normal;
    line-height: 40px;
    letter-spacing: 0em;
    font-variation-settings: 'opsz' auto;
    font-feature-settings: 'kern' on;
    color: #333333;
    margin-bottom: 36px;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 186px;
    height: 60px;
    border-radius: 50px;
    background: #0162e4;
    color: #ffffff;
    font-size: 20px;
    font-weight: 500;
    line-height: normal;
    text-align: center;
    letter-spacing: 0em;
    font-variation-settings: 'opsz' auto;
    font-feature-settings: 'kern' on;
    text-decoration: none;
    opacity: 1;
    transition: transform var(--transition), box-shadow var(--transition);
    box-sizing: border-box;
}

.cta-btn img {
    width: 24px;
    height: 24px;
    display: block;
    flex-shrink: 0;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(1, 98, 228, 0.35);
}

/* ========== 响应式 ========== */
@media (max-width: 1400px) {
    .pd-hero {
        height: auto;
        min-height: 0;
    }

    .pd-hero-inner {
        height: auto;
        padding-bottom: 48px;
    }

    .pd-hero-main {
        align-items: center;
    }
}

@media (max-width: 1200px) {
    .pd-feature-grid {
        width: 100%;
        max-width: 803px;
        height: auto;
        min-height: 0;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: auto;
    }

    .pd-feature-item:not(:nth-child(4n)) {
        border-right: none;
    }

    .pd-feature-item:nth-child(-n+4) {
        border-bottom: none;
    }

    .pd-feature-item:nth-child(odd) {
        border-right: 1px solid #e4ebf4;
    }

    .pd-feature-item:not(:nth-last-child(-n+2)) {
        border-bottom: 1px solid #e4ebf4;
    }

    .pd-feature-text strong {
        min-height: 0;
    }
}

@media (max-width: 1100px) {
    .pd-hero-main {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }

    .pd-hero-copy {
        flex: 1 1 auto;
        order: 1;
        max-width: none;
        padding-top: 0;
    }

    .pd-hero-media {
        order: 0;
        flex: 0 1 auto;
        width: min(420px, 80vw);
        max-width: 420px;
        margin: 0 auto;
    }

    .pd-specs-layout {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .pd-params,
    .pd-install {
        height: auto;
    }

    .pd-params-table-wrap {
        flex: none;
    }

    .pd-params-table {
        height: auto;
    }

    .pd-install-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: auto;
        max-width: 820px;
        min-height: 0;
        flex: none;
    }

    .pd-install-card {
        width: 100%;
        height: auto;
        min-height: 0;
        aspect-ratio: 400 / 350;
    }
}

@media (max-width: 900px) {
    .pd-hero-inner {
        padding-top: 20px;
        padding-bottom: 40px;
    }

    .pd-breadcrumb {
        margin-bottom: 20px;
    }

    .pd-breadcrumb li[aria-current='page'] {
        max-width: 180px;
    }

    .pd-hero-highlights {
        margin-top: 20px;
    }

    .pd-hero-highlights li {
        padding: 0 14px;
    }

    .pd-feature-grid {
        margin-top: 24px;
        padding: 18px 8px;
    }

    .pd-specs {
        padding: 40px 0 56px;
    }

    .pd-related {
        padding: 48px 0 64px;
    }

    .pd-related-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin: 0 auto;
    }

    .pd-related-desc {
        font-size: 18px;
        line-height: 26px;
    }

    .page-product-detail .product-section-title {
        font-size: clamp(24px, 5vw, 36px);
        line-height: 1.3;
        gap: 10px;
    }

    .cta-copy {
        margin-left: 24px;
        margin-right: 24px;
    }

    .cta-copy h2 {
        font-size: 32px;
        line-height: 48px;
    }

    .cta-copy p {
        font-size: 22px;
        line-height: 28px;
    }

    .cta-band {
        min-height: clamp(300px, calc(100vw / 2.34), 600px);
    }
}

@media (max-width: 640px) {
    .pd-feature-grid,
    .pd-install-grid {
        grid-template-columns: 1fr;
    }

    .pd-install-card {
        width: 100%;
        max-width: 400px;
        height: auto;
        aspect-ratio: 400 / 350;
        margin: 0 auto;
    }

    .pd-block-title-zh {
        font-size: 24px;
    }

    .pd-block-title-en {
        font-size: 14px;
        width: 100%;
        padding-left: 66px;
        padding-bottom: 0;
    }

    .pd-feature-item:nth-child(odd),
    .pd-feature-item:not(:nth-last-child(-n+2)) {
        border-right: none;
        border-bottom: none;
    }

    .pd-feature-item:not(:last-child) {
        border-bottom: 1px solid #e4ebf4;
    }

    .pd-params-table th,
    .pd-params-table td {
        padding: 0 14px;
    }

    .pd-params-table thead th {
        font-size: 18px;
        height: 48px;
    }

    .pd-params-table tbody tr {
        height: 48px;
    }

    .pd-params-table tbody td {
        font-size: 15px;
    }

    .pd-hero-highlights li {
        padding: 0 12px;
    }

    .pd-hero-highlights li span {
        font-size: 16px;
        line-height: 16px;
    }

    .pd-related-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .pd-related-title p {
        text-align: left;
    }
}

/* ========== 产品安装示意 Bento（仅 product-t51 / product-t365） ========== */
/* 全新 pd-bento-* 类名，与 product-detail.html 的 .pd-specs/.pd-params/.pd-install 完全隔离 */

.pd-bento {
    position: relative;
    padding: 64px 0 84px;
    background: linear-gradient(180deg, #f4f9ff 0%, #eaf3ff 55%, #f4f9ff 100%);
    overflow: hidden;
}

.pd-bento::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -80px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(1, 98, 228, 0.16) 0%, rgba(1, 98, 228, 0) 70%);
    pointer-events: none;
    z-index: 0;
}

.pd-bento::after {
    content: "";
    position: absolute;
    bottom: -140px;
    left: -100px;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(41, 140, 255, 0.12) 0%, rgba(41, 140, 255, 0) 70%);
    pointer-events: none;
    z-index: 0;
}

.pd-bento .container {
    position: relative;
    z-index: 1;
}

.pd-bento-subtitle {
    margin: -24px auto 36px;
    max-width: 640px;
    text-align: center;
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 18px;
    line-height: 1.6;
    color: #5a6b82;
}

.pd-bento-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    grid-template-rows: repeat(2, minmax(260px, 1fr));
    gap: 20px;
}

.pd-bento-card {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(1, 98, 228, 0.10);
    transition: transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1),
                box-shadow 0.4s ease;
    isolation: isolate;
}

.pd-bento-card--featured { grid-column: 1 / 2; grid-row: 1 / 3; }
.pd-bento-card--c2       { grid-column: 2 / 3; grid-row: 1 / 2; }
.pd-bento-card--c3       { grid-column: 2 / 3; grid-row: 2 / 3; }

.pd-bento-media {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: #e8eef6;
}

.pd-bento-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.pd-bento-card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(to top,
        rgba(8, 42, 92, 0.62) 0%,
        rgba(8, 42, 92, 0.18) 42%,
        rgba(8, 42, 92, 0) 70%);
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.pd-bento-caption {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(14px) saturate(160%);
    -webkit-backdrop-filter: blur(14px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, 0.38);
    box-shadow: 0 8px 24px rgba(8, 42, 92, 0.18);
    transition: background 0.35s ease,
                box-shadow 0.35s ease,
                transform 0.35s ease;
}

.pd-bento-card--featured .pd-bento-caption {
    left: 24px;
    right: 24px;
    bottom: 24px;
    gap: 16px;
    padding: 18px 22px;
}

.pd-bento-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    padding: 6px;
    object-fit: contain;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 12px rgba(1, 98, 228, 0.18);
}

.pd-bento-card--featured .pd-bento-icon {
    width: 60px;
    height: 60px;
    padding: 8px;
}

.pd-bento-text { min-width: 0; }

.pd-bento-text strong {
    display: block;
    margin-bottom: 4px;
    font-family: 'Source Han Sans', 'Source Han Sans SC', '思源黑体',
        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 19px;
    font-weight: 600;
    line-height: 1.3;
    color: #0b2a5b;
}

.pd-bento-card--featured .pd-bento-text strong { font-size: 24px; }

.pd-bento-text p {
    margin: 0;
    font-size: 13px;
    line-height: 1.45;
    color: #41597a;
}

.pd-bento-card--featured .pd-bento-text p { font-size: 15px; }

.pd-bento-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 44px rgba(1, 98, 228, 0.22);
}

.pd-bento-card:hover .pd-bento-media img { transform: scale(1.07); }

.pd-bento-card:hover .pd-bento-caption {
    background: rgba(255, 255, 255, 0.46);
    box-shadow: 0 12px 32px rgba(8, 42, 92, 0.26);
    transform: translateY(-2px);
}

/* 响应式：平板 */
@media (max-width: 1023px) {
    .pd-bento-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: none;
        gap: 16px;
    }
    .pd-bento-card--featured { grid-column: 1 / 3; grid-row: auto; min-height: 300px; }
    .pd-bento-card--c2       { grid-column: 1 / 2; grid-row: auto; min-height: 220px; }
    .pd-bento-card--c3       { grid-column: 2 / 3; grid-row: auto; min-height: 220px; }
}

/* 响应式：手机 */
@media (max-width: 640px) {
    .pd-bento { padding: 44px 0 60px; }
    .pd-bento-subtitle { font-size: 15px; margin: -16px auto 28px; }
    .pd-bento-grid { grid-template-columns: 1fr; }
    .pd-bento-card,
    .pd-bento-card--featured,
    .pd-bento-card--c2,
    .pd-bento-card--c3 {
        grid-column: 1 / 2;
        grid-row: auto;
        min-height: 0;
        aspect-ratio: 16 / 11;
    }
    .pd-bento-card--featured { aspect-ratio: 16 / 10; }
    .pd-bento-card--featured .pd-bento-text strong { font-size: 20px; }
    .pd-bento-text strong { font-size: 17px; }
}