:root {
    --article-blue: #1559b7;
    --article-navy: #10233f;
    --article-red: #d63a3f;
    --article-green: #138678;
    --article-amber: #b77b12;
    --article-ink: #172033;
    --article-text: #3f4a5c;
    --article-muted: #7a8595;
    --article-line: #e3e8f0;
    --article-line-strong: #cbd5e3;
    --article-bg: #f4f7fb;
    --article-paper: #ffffff;
    --article-soft-blue: #eef5ff;
    --article-soft-red: #fff2f2;
    --article-shadow: 0 12px 30px rgba(20, 43, 76, 0.08);
    --article-shadow-soft: 0 8px 20px rgba(20, 43, 76, 0.06);
    --article-radius: 8px;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 0;
    background: var(--article-bg);
    -webkit-text-size-adjust: 100%;
}

body.article-site {
    min-height: 100vh;
    margin: 0;
    color: var(--article-ink);
    background:
        linear-gradient(180deg, #ffffff 0, #f6f9fd 260px, var(--article-bg) 520px),
        var(--article-bg);
    font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", sans-serif;
    font-size: 14px;
    line-height: 1.72;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
}

button,
input {
    font: inherit;
}

.article-container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.article-header {
    border-bottom: 1px solid rgba(213, 222, 235, 0.92);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 8px 24px rgba(20, 43, 76, 0.05);
}

.article-header-inner {
    display: grid;
    grid-template-columns: auto minmax(260px, 420px) auto;
    align-items: center;
    gap: 24px;
    min-height: 88px;
}

.article-logo {
    display: grid;
    gap: 7px;
    color: var(--article-navy);
    text-decoration: none;
    line-height: 1;
}

.article-logo span {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 0;
    white-space: nowrap;
}

.article-logo small {
    color: var(--article-red);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 11px;
    letter-spacing: 0.16em;
}

.article-search {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 76px;
    min-height: 40px;
    overflow: hidden;
    border: 1px solid #bfd3ef;
    border-radius: var(--article-radius);
    background: #fbfdff;
}

.article-search input {
    min-width: 0;
    padding: 0 13px;
    color: var(--article-text);
    border: 0;
    outline: 0;
    background: transparent;
}

.article-search input::placeholder {
    color: #9aa6b6;
}

.article-search button {
    color: #ffffff;
    border: 0;
    background: var(--article-blue);
    cursor: pointer;
    font-weight: 900;
}

.article-search button:hover {
    background: #0f4fa8;
}

.article-nav {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.article-nav a {
    padding: 7px 10px;
    color: var(--article-blue);
    text-decoration: none;
    border: 1px solid #c9d9ee;
    border-radius: 6px;
    background: #f8fbff;
    font-weight: 800;
    line-height: 1.2;
}

.article-nav a:hover {
    color: #ffffff;
    border-color: var(--article-blue);
    background: var(--article-blue);
}

.article-shell {
    padding: 22px 0 40px;
}

.article-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    color: var(--article-muted);
    font-size: 13px;
}

.article-breadcrumb a {
    color: var(--article-blue);
    text-decoration: none;
    font-weight: 800;
}

.article-breadcrumb strong {
    color: var(--article-text);
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 16px;
    align-items: start;
}

.article-main,
.article-panel,
.article-pager,
.article-related {
    border: 1px solid var(--article-line);
    border-radius: var(--article-radius);
    background: var(--article-paper);
    box-shadow: var(--article-shadow-soft);
}

.article-main {
    position: relative;
    overflow: hidden;
    padding: 28px 34px 34px;
    border-top: 4px solid var(--article-blue);
}

.article-main::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 180px;
    height: 180px;
    background:
        linear-gradient(135deg, rgba(21, 89, 183, 0.11), transparent 60%),
        linear-gradient(45deg, transparent 48%, rgba(214, 58, 63, 0.08) 49%, rgba(214, 58, 63, 0.08) 51%, transparent 52%);
    pointer-events: none;
}

.article-labels {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.article-labels a,
.article-labels span {
    padding: 4px 9px;
    color: var(--article-blue);
    text-decoration: none;
    border: 1px solid #c9d9ee;
    border-radius: 6px;
    background: var(--article-soft-blue);
    font-size: 13px;
    font-weight: 800;
    line-height: 1.3;
}

.article-labels span:nth-child(3) {
    color: var(--article-red);
    border-color: #f0c2c5;
    background: var(--article-soft-red);
}

.article-main h1 {
    position: relative;
    z-index: 1;
    margin: 0;
    color: var(--article-ink);
    font-size: 30px;
    line-height: 1.32;
    letter-spacing: 0;
}

.article-meta {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 9px 16px;
    margin-top: 18px;
    padding: 12px 0;
    color: var(--article-muted);
    border-top: 1px solid var(--article-line);
    border-bottom: 1px solid var(--article-line);
    font-size: 13px;
}

.article-meta a {
    color: var(--article-blue);
    text-decoration: none;
    font-weight: 800;
}

.article-meta a:hover,
.article-breadcrumb a:hover,
.article-side-list a:hover strong,
.article-related-grid a:hover strong {
    color: var(--article-red);
}

.article-intro {
    margin: 18px 0 0;
    padding: 14px 16px;
    color: #405066;
    border-left: 4px solid var(--article-blue);
    border-radius: 0 6px 6px 0;
    background: #f7faff;
    font-weight: 700;
    line-height: 1.82;
}

.article-cover {
    margin: 22px 0 0;
}

.article-cover img,
.article-gallery img {
    display: block;
    width: 100%;
    border-radius: var(--article-radius);
    background: #eef2f7;
}

.article-cover img {
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.article-cover figcaption {
    margin-top: 8px;
    color: var(--article-muted);
    font-size: 13px;
    text-align: center;
}

.article-content {
    margin-top: 24px;
}

.article-content p {
    margin: 0 0 18px;
    color: var(--article-text);
    font-size: 16px;
    line-height: 1.95;
    word-break: break-word;
}

.article-content h2,
.article-content h3 {
    position: relative;
    margin: 30px 0 15px;
    color: var(--article-navy);
    line-height: 1.42;
    letter-spacing: 0;
}

.article-content h2 {
    padding: 0 0 10px 16px;
    border-bottom: 1px solid var(--article-line);
    font-size: 23px;
}

.article-content h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.3em;
    width: 5px;
    height: 1.15em;
    border-radius: 4px;
    background: var(--article-blue);
}

.article-content h3 {
    padding-left: 12px;
    border-left: 4px solid var(--article-green);
    font-size: 19px;
}

.article-content ul,
.article-content ol {
    display: grid;
    gap: 10px;
    margin: 0 0 20px;
    padding: 14px 18px 14px 38px;
    border: 1px solid var(--article-line);
    border-radius: var(--article-radius);
    background: #fbfdff;
    color: var(--article-text);
    font-size: 16px;
    line-height: 1.85;
}

.article-content li::marker {
    color: var(--article-blue);
    font-weight: 900;
}

.article-content .article-qa-list li>strong:first-child {
    display: block;
    margin-bottom: 6px;
    color: var(--article-navy);
    line-height: 1.55;
}

.article-content blockquote {
    margin: 20px 0;
    padding: 14px 16px;
    color: #405066;
    border-left: 4px solid var(--article-green);
    border-radius: 0 6px 6px 0;
    background: #f7fffd;
}

.article-content table {
    width: 100%;
    margin: 20px 0;
    border-collapse: collapse;
    overflow: hidden;
    border: 1px solid var(--article-line);
    border-radius: var(--article-radius);
    font-size: 15px;
}

.article-content th,
.article-content td {
    padding: 10px 12px;
    border: 1px solid var(--article-line);
    text-align: left;
}

.article-content th {
    color: var(--article-navy);
    background: #f1f6ff;
    font-weight: 900;
}

.article-content img {
    display: block;
    width: 100%;
    max-height: 520px;
    object-fit: cover;
    margin: 22px 0;
    border-radius: var(--article-radius);
    background: #eef2f7;
}

.article-gallery {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
}

.article-gallery figure {
    margin: 0;
}

.article-gallery img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.article-faq {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid var(--article-line);
}

.article-faq-item {
    display: block;
    margin-top: 10px;
    padding: 14px 16px;
    border: 1px solid var(--article-line);
    border-radius: var(--article-radius);
    background: #fbfdff;
}

.article-faq-item h3 {
    display: block;
    margin: 0;
    padding: 0 0 9px;
    color: var(--article-navy);
    border-bottom: 1px solid var(--article-line);
    font-size: 16px;
    font-weight: 900;
    line-height: 1.55;
}

.article-faq-item p {
    display: block;
    margin: 10px 0 0;
    padding: 0;
    color: var(--article-text);
    line-height: 1.85;
}

.article-aside {
    display: grid;
    gap: 14px;
}

.article-panel {
    padding: 18px;
}

.article-panel-title {
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--article-line);
}

.article-panel-title span,
.article-section-title span {
    display: block;
    color: var(--article-red);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.14em;
}

.article-panel-title h2,
.article-section-title h2 {
    margin: 4px 0 0;
    color: var(--article-navy);
    font-size: 18px;
    line-height: 1.35;
}

.article-company {
    border-top: 4px solid var(--article-green);
}

.article-company>strong {
    display: block;
    color: var(--article-ink);
    font-size: 20px;
    line-height: 1.35;
}

.article-company dl {
    display: grid;
    gap: 8px;
    margin: 14px 0 16px;
}

.article-company dl div {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 10px;
    padding: 9px 10px;
    border: 1px solid var(--article-line);
    border-radius: 6px;
    background: #fbfdff;
}

.article-company dt,
.article-company dd {
    margin: 0;
}

.article-company dt {
    color: var(--article-muted);
}

.article-company dd {
    min-width: 0;
    color: var(--article-text);
    font-weight: 800;
    word-break: break-word;
}

.article-primary-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    background: var(--article-blue);
    font-weight: 900;
}

.article-primary-link:hover {
    background: #0f4fa8;
}

.article-side-list {
    display: grid;
    gap: 0;
}

.article-side-list a {
    display: grid;
    gap: 4px;
    padding: 11px 0;
    color: var(--article-text);
    text-decoration: none;
    border-bottom: 1px solid var(--article-line);
}

.article-side-list a:first-child {
    padding-top: 0;
}

.article-side-list a:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.article-side-list time {
    color: var(--article-muted);
    font-size: 12px;
}

.article-side-list strong {
    color: var(--article-ink);
    line-height: 1.52;
}

.article-pager {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    margin-top: 16px;
    overflow: hidden;
}

.pager-link {
    display: grid;
    gap: 5px;
    min-height: 92px;
    padding: 17px 20px;
    color: var(--article-text);
    text-decoration: none;
}

.pager-link-prev {
    border-right: 1px solid var(--article-line);
}

.pager-link span {
    color: var(--article-blue);
    font-size: 13px;
    font-weight: 900;
}

.pager-link strong {
    color: var(--article-ink);
    line-height: 1.55;
}

.pager-link-next {
    text-align: right;
}

.pager-link:not(.is-disabled):hover {
    background: #f8fbff;
}

.pager-link:not(.is-disabled):hover strong {
    color: var(--article-red);
}

.pager-link.is-disabled {
    color: var(--article-muted);
    background: #fbfcfe;
}

.article-related {
    margin-top: 16px;
    padding: 20px;
}

.article-section-title {
    margin-bottom: 14px;
    text-align: center;
}

.article-related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.article-related-grid a {
    display: grid;
    align-content: start;
    gap: 8px;
    min-height: 156px;
    padding: 15px;
    color: var(--article-text);
    text-decoration: none;
    border: 1px solid var(--article-line);
    border-radius: var(--article-radius);
    background: #fbfdff;
}

.article-related-grid a:hover {
    border-color: var(--article-line-strong);
    box-shadow: var(--article-shadow-soft);
}

.article-related-grid span {
    color: var(--article-amber);
    font-size: 13px;
    font-weight: 900;
}

.article-related-grid strong {
    color: var(--article-ink);
    font-size: 16px;
    line-height: 1.45;
}

.article-related-grid p {
    margin: 0;
    color: var(--article-muted);
    line-height: 1.7;
}

.mobile-call-bar {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 20;
    display: grid;
    gap: 2px;
    min-width: 176px;
    padding: 10px 14px;
    color: #ffffff;
    text-decoration: none;
    border-radius: var(--article-radius);
    background: var(--article-red);
    box-shadow: var(--article-shadow);
}

.mobile-call-bar span {
    font-size: 12px;
    opacity: 0.88;
}

.mobile-call-bar strong {
    font-size: 17px;
    line-height: 1.2;
}

.article-site-foot {
    margin-top: 26px;
    color: #d7e7f8;
    border-top: 4px solid var(--article-red);
    background: var(--article-navy);
}

.article-site-foot .article-container {
    padding: 24px 0 22px;
}

.article-footer-main {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) minmax(280px, 1fr);
    gap: 24px;
    align-items: start;
}

.article-footer-main strong {
    display: block;
    color: #ffffff;
    font-size: 23px;
    line-height: 1.25;
}

.article-footer-main p {
    margin: 8px 0 0;
    color: #b8cde5;
    line-height: 1.75;
}

.article-footer-main nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.article-footer-main a {
    padding: 7px 10px;
    color: #eaf3ff;
    text-decoration: none;
    border: 1px solid rgba(215, 231, 248, 0.22);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.04);
    font-size: 13px;
    font-weight: 800;
}

.article-footer-main a:hover {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.42);
    background: rgba(255, 255, 255, 0.1);
}

.article-footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px 18px;
    margin-top: 20px;
    padding-top: 15px;
    color: #b8cde5;
    border-top: 1px solid rgba(215, 231, 248, 0.18);
    font-size: 13px;
}

@media (max-width: 980px) {
    .article-header-inner,
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-header-inner {
        gap: 14px;
        padding: 16px 0;
    }

    .article-nav {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .article-aside {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .article-footer-main {
        grid-template-columns: 1fr;
    }

    .article-footer-main nav {
        justify-content: flex-start;
    }

    .article-main h1 {
        font-size: 26px;
    }
}

@media (max-width: 720px) {
    .article-container {
        width: min(100% - 24px, 1180px);
    }

    .article-shell {
        padding-top: 14px;
    }

    .article-main {
        padding: 20px 16px 24px;
    }

    .article-main h1 {
        font-size: 22px;
    }

    .article-meta {
        display: grid;
        gap: 8px;
    }

    .article-intro {
        padding: 12px;
    }

    .article-content p {
        font-size: 15px;
        line-height: 1.9;
    }

    .article-aside,
    .article-related-grid,
    .article-gallery,
    .article-pager {
        grid-template-columns: 1fr;
    }

    .pager-link-prev {
        border-right: 0;
        border-bottom: 1px solid var(--article-line);
    }

    .pager-link-next {
        text-align: left;
    }

    .article-company dl div {
        grid-template-columns: 64px minmax(0, 1fr);
    }

    .mobile-call-bar {
        right: 12px;
        bottom: 12px;
        left: 12px;
        grid-template-columns: auto minmax(0, 1fr);
        align-items: center;
        min-width: 0;
    }
}