body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;
    line-height: 1.5;
    color: #333;
}

.breadcrumb-nav .page-seo-bar {
    margin: 8px 0 0;
    padding: 0;
    font-family: inherit;
    font-size: 1.2rem;
    line-height: 1.5;
    color: #8a9199;
}

.breadcrumb-nav .page-seo-bar a,
.breadcrumb-nav .page-seo-bar a:link,
.breadcrumb-nav .page-seo-bar a:visited {
    color: #3498db;
    text-decoration: none;
    border-bottom: 1px solid rgba(52, 152, 219, 0.35);
}

.breadcrumb-nav .page-seo-bar a:hover {
    color: #2980b9;
    border-bottom-color: #2980b9;
}

.breadcrumb-nav {
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    position: relative;
    z-index: 10;
    color: #000;
    /* 默认文本颜色，未选中项为黑色 */
}

.breadcrumb-inner {
    margin-top: 150px;
    width: 90%;
    max-width: 1400px;
    margin-left: 120px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    flex-wrap: wrap;
}

.breadcrumb-nav:has(.breadcrumb-column) .breadcrumb-inner {
    margin-top: 0;
    margin-left: 0;
    width: 100%;
    max-width: none;
}

.breadcrumb-item {
    color: #000;
    /* 未选中项为黑色 */
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item:hover,
.breadcrumb-item:focus {
    color: #1a73e8;
    /* 移入时变为蓝色 */
    outline: none;
    text-decoration: none;
}

.breadcrumb-current {
    text-decoration: none;
    color: #1a73e8;
    /* 当前项为蓝色 */
    font-weight: 500;
    white-space: nowrap;
    /* 也可加 aria-current="page" 语义在 HTML 中已设置 */
}

.breadcrumb-separator {
    color: #999;
    user-select: none;
    line-height: 1;
    font-size: 0;
}

.breadcrumb-separator::before {
    content: '›';
    font-size: 1rem;
}

.news-page-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    margin-top: 120px;
    color: #111;
    text-align: center;

}

.news-list {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    width: 87%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    /* 三栏 */
    gap: 30px;
    /* 列间距 */
}

.news-item {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    overflow: hidden;
    transition: transform .3s, box-shadow .3s;
}

.news-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.news-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.news-thumb {
    width: 100%;
    height: 240px;
    flex-shrink: 0;
}

.news-txt {
    padding: 30px 40px;
    flex: 1;
}

.news-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #222;
    margin: 0 0 8px;
    line-height: 1.4;
    text-align: center;
}

.news-date {
    font-size: .9rem;
    color: #888;
    margin-bottom: 10px;
    text-align: center;
}

.news-desc {
    font-size: 1rem;
    line-height: 1.7;
    color: #444;
}

/* 关键词高亮 */
.news-desc strong {
    color: #3498db;
}

/* =========================================================
   移动端补充样式（面包屑 + hero + 新闻列表）
   ========================================================= */

/* ---- 1200↓ ---- */
@media (max-width: 1200px) {
    .breadcrumb-inner {
        width: 90%;
        margin-left: 60px;
    }

    .news-list {
        width: 90%;
    }
}

/* ---- 992↓ ---- */
@media (max-width: 992px) {
    .breadcrumb-inner {
        margin-left: 40px;
        font-size: 1.1rem;
    }

    .news-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

/* ---- 768↓ 手机 & 竖屏 ---- */
@media (max-width: 768px) {

    /* 面包屑 */
    .breadcrumb-nav {
        margin: 0 0 20px !important;
    }

    .breadcrumb-inner {
        margin-top: 0 !important;
        margin-left: 20px;
        width: calc(100% - 40px);
        font-size: 1rem;
    }

    /* hero 区域 */
    .recruitment-hero {
        height: 40vh;
        min-height: 400px;
    }

    .hero-content h1 {
        font-size: clamp(2rem, 6vw, 2.8rem);
    }

    .hero-content p {
        font-size: 1rem;
    }

    /* 新闻列表 → 单栏 */
    .news-page-title {
        margin-top: 80px;
        font-size: clamp(1.6rem, 5vw, 2.2rem);
    }

    .news-list {
        grid-template-columns: 1fr;
        width: 92%;
        gap: 20px;
    }

    .news-link {
        flex-direction: column;
    }

    .news-thumb {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
    }

    .news-txt {
        padding: 16px;
    }

    .news-title {
        font-size: 1.15rem;
    }

    .news-desc {
        font-size: 0.95rem;
    }
}

/* ---- 480↓ 超小屏 ---- */
@media (max-width: 480px) {
    .breadcrumb-inner {
        font-size: 0.9rem;
        gap: 6px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .news-page-title {
        font-size: 1.5rem;
        margin-top: 60px;
    }

    .news-title {
        font-size: 1.05rem;
    }

    .news-desc {
        font-size: 0.9rem;
    }
}

/* ---- 横屏手机 ---- */
@media (max-width: 768px) and (orientation: landscape) {
    .recruitment-hero {
        height: 50vh;
        min-height: 320px;
    }

    .news-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-link {
        flex-direction: row;
    }

    .news-thumb {
        width: 180px;
        height: 135px;
    }
}

/* ---- 折叠屏/小平板 ---- */
@media (min-width: 541px) and (max-width: 768px) and (orientation: portrait) {
    .news-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-link {
        flex-direction: column;
    }

    .news-thumb {
        aspect-ratio: 4 / 3;
    }
}

/* ---- 通用触摸优化 ---- */
.breadcrumb-item,
.news-link {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* ===== Article table of contents ===== */
.wafu-toc {
    margin: 30px 0 36px;
    padding: 22px;
    border: 1px solid #d9e6f5;
    border-radius: 14px;
    background: linear-gradient(135deg, #f8fbff 0%, #eef5ff 100%);
    box-shadow: 0 10px 26px rgba(26, 86, 160, .08);
}

.wafu-toc .wafu-heading-2 {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 0 0 16px;
    padding: 0;
    border: 0;
    color: #1d3d67;
    font-size: 1.12rem;
}

.wafu-toc .wafu-heading-2::before {
    width: 4px;
    height: 1.2em;
    border-radius: 99px;
    background: #1a6dcc;
    content: '';
}

.wafu-toc .wafu-ordered-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: toc-item;
}

.wafu-toc .wafu-list-item {
    display: flex;
    align-items: stretch;
    min-width: 0;
    margin: 0;
    counter-increment: toc-item;
}

.wafu-toc .wafu-list-item::before {
    display: grid;
    flex: 0 0 31px;
    width: 31px;
    height: 31px;
    place-items: center;
    margin: 9px 8px 0 0;
    border-radius: 50%;
    background: #e4f0ff;
    color: #1c65b4;
    font-size: .78rem;
    font-weight: 800;
    content: counter(toc-item, decimal-leading-zero);
    transition: background .2s ease, color .2s ease;
    z-index: 1;
}

.wafu-toc .wafu-list-item a {
    display: flex;
    width: 100%;
    min-height: 49px;
    align-items: center;
    padding: 9px 12px;
    border: 1px solid #dce7f3;
    border-radius: 9px;
    background: #fff;
    color: #28486f;
    font-size: .93rem;
    font-weight: 650;
    line-height: 1.42;
    text-decoration: none;
    transition: border-color .2s ease, box-shadow .2s ease, color .2s ease, transform .2s ease;
}

.wafu-toc .wafu-list-item:hover a,
.wafu-toc .wafu-list-item a:focus-visible {
    border-color: #6d9ed3;
    box-shadow: 0 5px 14px rgba(25, 91, 166, .13);
    color: #14559e;
    outline: 0;
    transform: translateY(-1px);
}

.wafu-toc .wafu-list-item:hover::before,
.wafu-toc .wafu-list-item:focus-within::before {
    background: #1a6dcc;
    color: #fff;
}

@media (max-width: 640px) {
    .wafu-toc {
        margin: 24px 0 30px;
        padding: 16px;
    }

    .wafu-toc .wafu-ordered-list {
        grid-template-columns: 1fr;
        gap: 7px;
    }

    .wafu-toc .wafu-list-item a {
        min-height: 46px;
        font-size: .91rem;
    }
}

/* Smart-Lock OEM After-Sales-Support article */
.wafu-after-sales-toc {
    margin: 28px 0 34px;
    padding: 22px;
    border: 1px solid #dbe5f2;
    border-radius: 14px;
    background: linear-gradient(135deg, #f8fbff 0%, #eef5ff 100%);
}

.wafu-after-sales-toc-label {
    margin: 0 0 14px;
    color: #1557b0;
    font-size: .9rem;
    font-weight: 700;
    letter-spacing: .08em;
}

.wafu-after-sales-toc ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.wafu-after-sales-toc li {
    margin: 0;
}

.wafu-after-sales-toc a {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 48px;
    padding: 10px 12px;
    border: 1px solid #e0e8f2;
    border-radius: 9px;
    background: #fff;
    color: #263d5b;
    font-size: .94rem;
    line-height: 1.45;
    text-decoration: none;
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.wafu-after-sales-toc a:hover {
    border-color: #4d86c9;
    box-shadow: 0 5px 14px rgba(35, 92, 160, .12);
    transform: translateY(-1px);
}

.wafu-after-sales-toc-index {
    flex: 0 0 auto;
    color: #276db5;
    font-size: .82rem;
    font-weight: 800;
}

.wafu-question-groups {
    display: grid;
    gap: 12px;
    margin: 20px 0 28px;
}

.wafu-question-group {
    overflow: hidden;
    border: 1px solid #dce5ef;
    border-radius: 12px;
    background: #fff;
}

.wafu-question-group summary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 17px;
    color: #203b60;
    font-weight: 700;
    line-height: 1.45;
    cursor: pointer;
    list-style: none;
}

.wafu-question-group summary::-webkit-details-marker {
    display: none;
}

.wafu-question-group summary::after {
    content: '+';
    margin-left: 0;
    color: #276db5;
    font-size: 1.45rem;
    font-weight: 400;
    line-height: 1;
}

.wafu-question-group[open] summary {
    border-bottom: 1px solid #e6edf5;
    background: #f7faff;
}

.wafu-question-group[open] summary::after {
    content: '−';
}

.wafu-question-group-count {
    margin-left: auto;
    color: #6c7d92;
    font-size: .82rem;
    font-weight: 500;
    white-space: nowrap;
}

.wafu-question-group ol {
    margin: 0;
    padding: 14px 22px 16px 42px;
    color: #40546e;
    line-height: 1.8;
}

.wafu-question-group li {
    margin: 0 0 8px;
    padding-left: 2px;
}

.wafu-question-group li:last-child {
    margin-bottom: 0;
}

@media (max-width: 640px) {
    .wafu-after-sales-toc {
        margin: 20px 0 28px;
        padding: 16px;
    }

    .wafu-after-sales-toc ol {
        grid-template-columns: 1fr;
        gap: 7px;
    }

    .wafu-after-sales-toc a {
        min-height: 44px;
        padding: 9px 10px;
        font-size: .9rem;
    }

    .wafu-question-group summary {
        padding: 14px;
        font-size: .96rem;
    }

    .wafu-question-group ol {
        padding: 12px 16px 14px 34px;
        font-size: .94rem;
    }

    .footer-content {
        grid-template-columns: 1fr !important;
        gap: 28px !important;
        padding: 0 24px !important;
    }

    .footer-col,
    .footer-col:first-child,
    .footer-col:nth-child(5) {
        grid-column: auto !important;
        padding: 0 !important;
        text-align: left !important;
    }

    .footer-col:first-child {
        text-align: center !important;
    }

    .footer-socials {
        justify-content: center !important;
    }

    .footer-col .footer-title {
        font-size: 18px !important;
    }

    .footer-list a {
        min-height: 0 !important;
        padding: 5px 0 !important;
        justify-content: flex-start !important;
    }

    .footer-contact-item {
        flex-direction: row !important;
        align-items: flex-start !important;
        text-align: left !important;
    }
}