body {
    margin: 0;
    font-size: 16px;
    line-height: 1.75;
}

a {
    color: var(--sdk-primary);
    text-decoration: underline;
}

a:hover {
    color: var(--sdk-primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.sdk-topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.9);
}

.sdk-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 76px;
}

.sdk-brand a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: #111827;
    text-decoration: none;
}

.sdk-brand-icon {
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    border-radius: 7px;
    object-fit: cover;
}

.sdk-primary-navigation {
    display: flex;
    flex: 1;
    justify-content: center;
    min-width: 0;
}

.sdk-nav {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.sdk-nav,
.sdk-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.sdk-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: #374151;
    font-weight: 500;
    text-decoration: none;
}

.sdk-nav .current-menu-item > a,
.sdk-nav a[aria-current="page"] {
    color: var(--sdk-primary-dark);
    text-decoration: underline;
    text-decoration-thickness: .1em;
    text-underline-offset: .25em;
}

.sdk-topbar-action a,
.sdk-btn,
.sdk-telegram-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    padding: 12px 20px;
    font-weight: 700;
    text-decoration: none;
    transition: all .2s ease;
}

.sdk-topbar-action a,
.sdk-btn-primary,
.sdk-telegram-button {
    color: #fff;
    background: var(--sdk-primary);
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);
}

.sdk-topbar-action a:hover,
.sdk-btn-primary:hover,
.sdk-telegram-button:hover {
    color: #fff;
    background: var(--sdk-primary-dark);
    transform: translateY(-1px);
}

.sdk-btn-secondary {
    color: var(--sdk-primary);
    background: #eff6ff;
    border: 1px solid #bfdbfe;
}

.sdk-btn-secondary:hover {
    background: #dbeafe;
}

.site-main section,
.sdk-homepage section {
    padding: var(--sdk-section-space) 0;
}

.sdk-about-hero,
.sdk-contact-hero,
.sdk-privacy-hero,
.sdk-faq-hero,
.sdk-shuoming-hero,
.sdk-solution-hero {
    padding-top: 56px;
    padding-bottom: 40px;
    background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 100%);
}

.sdk-section-heading {
    max-width: 760px;
    margin: 0 auto 30px;
    text-align: center;
}

.sdk-section-heading-left {
    margin: 0;
    text-align: left;
}

.sdk-section-heading h1,
.sdk-section-heading h2,
.sdk-cta-title,
.sdk-hero-title {
    margin: 0 0 16px;
    line-height: 1.2;
    color: #0f172a;
}

.sdk-section-heading h1,
.sdk-hero-title {
    font-size: var(--sdk-h1-size);
}

.sdk-section-heading h2,
.sdk-cta-title {
    font-size: var(--sdk-h2-size);
}

.sdk-section-heading p,
.sdk-hero-desc,
.sdk-cta-desc {
    margin: 0;
    color: var(--sdk-subtle);
    font-size: 18px;
}

.sdk-hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.sdk-summary-grid,
.sdk-platform-grid,
.sdk-solutions-grid,
.sdk-about-grid,
.sdk-process-grid,
.sdk-support-grid,
.sdk-testimonial-grid,
.sdk-faq-list {
    display: grid;
    gap: 18px;
}

.sdk-summary-grid,
.sdk-platform-grid,
.sdk-solutions-grid,
.sdk-support-grid,
.sdk-testimonial-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.sdk-process-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sdk-faq-list {
    grid-template-columns: 1fr;
}

.sdk-summary-card,
.sdk-platform-card,
.sdk-solution-card,
.sdk-about-card,
.sdk-process-item,
.sdk-support-card,
.sdk-testimonial-card,
.sdk-faq-item,
.sdk-cta-box,
.sdk-intro-content {
    background: var(--sdk-card);
    border: 1px solid var(--sdk-line);
    border-radius: 20px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
}

.sdk-summary-card,
.sdk-platform-card,
.sdk-solution-card,
.sdk-about-card,
.sdk-process-item,
.sdk-support-card,
.sdk-testimonial-card,
.sdk-faq-item,
.sdk-intro-content {
    padding: 22px;
}

.sdk-summary-card h3,
.sdk-platform-card h3,
.sdk-solution-card h3,
.sdk-about-card h3,
.sdk-process-item h3,
.sdk-support-card h3,
.sdk-faq-item h2,
.sdk-faq-item h3,
.sdk-footer-heading,
.sdk-footer-title {
    margin: 0 0 12px;
    color: #111827;
    font-size: var(--sdk-h3-size);
}

.sdk-summary-card h3,
.sdk-platform-card h3,
.sdk-solution-card h3,
.sdk-about-card h3,
.sdk-process-item h3,
.sdk-support-card h3,
.sdk-faq-item h2,
.sdk-faq-item h3 {
    font-size: var(--sdk-h3-size);
    line-height: 1.35;
}

.sdk-summary-card p,
.sdk-platform-card p,
.sdk-solution-card p,
.sdk-about-card p,
.sdk-process-item p,
.sdk-support-card p,
.sdk-faq-item p,
.sdk-testimonial-card p,
.sdk-footer-desc,
.sdk-footer-list,
.sdk-intro-content {
    margin: 0;
    color: var(--sdk-subtle);
}

.sdk-summary-icon,
.sdk-process-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: 18px;
    border-radius: 14px;
    background: #eff6ff;
    color: var(--sdk-primary-dark);
    font-size: 22px;
    font-weight: 800;
}

.sdk-about-list,
.sdk-footer-list {
    margin: 0;
    padding-left: 20px;
    color: var(--sdk-subtle);
}

.sdk-about-list li,
.sdk-footer-list li {
    margin: 8px 0;
}

.sdk-testimonial-card cite {
    display: block;
    margin-top: 14px;
    font-style: normal;
    color: #374151;
    font-weight: 600;
}

.sdk-cta-section {
    padding: var(--sdk-section-space) 0;
}

.sdk-cta-box {
    padding: 32px;
    text-align: center;
    background: linear-gradient(180deg, #ffffff 0%, #eff6ff 100%);
}

.sdk-footer {
    margin-top: 0;
    padding: 28px 0 16px;
    border: 0;
    background: #0f172a;
    color: rgba(255, 255, 255, 0.88);
}

.sdk-footer-top {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr 0.8fr;
    gap: 24px;
}

.sdk-footer-title,
.sdk-footer-heading,
.sdk-footer a {
    color: #fff;
}

.sdk-footer-desc,
.sdk-footer-list,
.sdk-footer-list li,
.sdk-footer-bottom {
    color: rgba(255, 255, 255, 0.72);
}


.sdk-footer-title {
    margin: 0 0 10px;
    font-size: 18px;
    font-weight: 800;
}

.sdk-footer-heading {
    margin: 0 0 10px;
    font-size: 16px;
    font-weight: 700;
}

.sdk-footer-desc,
.sdk-footer-list li,
.sdk-footer-copyright {
    font-size: 14px;
    line-height: 1.75;
}

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

.sdk-footer-list li {
    margin-bottom: 8px;
}

.sdk-footer-contact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 14px;
    border-radius: 12px;
    margin-top: 8px;
    font-size: 14px;
    font-weight: 700;
    background: #1e3a8a;
    color: #fff;
    text-decoration: none;
}

.sdk-footer-bottom {
    margin-top: 10px;
    padding-top: 10px;
    border: 0;
}

.sdk-homepage .sdk-intro-content {
    background: #fff;
}

.sdk-intro-content h1 {
    font-size: var(--sdk-h1-size);
    line-height: 1.25;
}

.sdk-intro-content h2 {
    font-size: var(--sdk-h2-size);
    line-height: 1.3;
}

.sdk-intro-content h3 {
    font-size: var(--sdk-h3-size);
    line-height: 1.35;
}



.sdk-intro-content :where(p, li) a,
.sdk-faq-item :where(p, li) a,
.sdk-about-card :where(p, li) a,
.sdk-solution-card :where(p, li) a {
    font-weight: 600;
    text-decoration: underline;
    text-decoration-thickness: .09em;
    text-underline-offset: .2em;
}

.sdk-intro-content :where(p, li) {
    max-width: 72ch;
}

/* 自定义文章页 */
.sdk-article-page {
    background: #f8fafc;
}

.sdk-article,
.sdk-article * {
    box-sizing: border-box;
}

.sdk-article-header {
    padding: 40px 16px 30px;
    background: linear-gradient(180deg, #eef4ff 0%, #f8fafc 100%);
}

.sdk-article-narrow {
    width: min(780px, 100%);
    margin: 0 auto;
}

.sdk-article-wide {
    width: min(1120px, calc(100% - 32px));
    margin-inline: auto;
}

.sdk-breadcrumbs {
    margin-bottom: 24px;
    color: #526071;
    font-size: 14px;
}

.sdk-breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
}

.sdk-breadcrumbs li {
    display: inline-flex;
    align-items: center;
    min-width: 0;
}

.sdk-breadcrumbs li:not(:last-child)::after {
    content: "/";
    margin-left: 8px;
    color: #7c8796;
}

.sdk-breadcrumbs a {
    color: #334155;
}

.sdk-breadcrumbs [aria-current="page"] {
    overflow: hidden;
    max-width: 36ch;
    white-space: nowrap;
    text-overflow: ellipsis;
}



.sdk-article-title {
    max-width: 100%;
    margin: 0;
    color: #0f172a;
    font-size: var(--sdk-h1-size);
    font-weight: 800;
    letter-spacing: -.025em;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.sdk-article-deck {
    max-width: 65ch;
    margin: 18px 0 0;
    color: #455468;
    font-size: clamp(18px, 2.3vw, 22px);
    line-height: 1.75;
}

.sdk-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin-top: 20px;
    color: #526071;
    font-size: 14px;
    line-height: 1.6;
}

.sdk-article-meta a {
    color: #334155;
    font-weight: 650;
}

.sdk-article-layout {
    display: grid;
    grid-template-columns: minmax(0, 760px) minmax(220px, 280px);
    justify-content: center;
    gap: clamp(30px, 4vw, 48px);
    align-items: start;
    padding-top: 34px;
    padding-bottom: 52px;
}

.sdk-article-content {
    min-width: 0;
    color: #263244;
    font-size: clamp(17px, 1.8vw, 19px);
    line-height: 1.9;
    overflow-wrap: break-word;
}

.sdk-article-content > :first-child {
    margin-top: 0;
}

.sdk-article-content :where(p, ul, ol, blockquote, pre, table, figure) {
    margin-top: 0;
    margin-bottom: 1.45em;
}

.sdk-article-content :where(p, li) {
    max-width: 72ch;
}

.sdk-article-content :where(ul, ol) {
    padding-left: 1.35em;
}

.sdk-article-content li + li {
    margin-top: .5em;
}

.sdk-article-content :where(h2, h3, h4) {
    max-width: 30ch;
    scroll-margin-top: 110px;
    color: #111827;
    line-height: 1.3;
    letter-spacing: -.018em;
}

.sdk-article-content h2 {
    margin: 1.9em 0 .7em;
    font-size: var(--sdk-h2-size);
}

.sdk-article-content h3 {
    margin: 1.65em 0 .65em;
    font-size: var(--sdk-h3-size);
}

.sdk-article-content h4 {
    margin: 1.6em 0 .65em;
    font-size: 18px;
}

.sdk-article-content a {
    color: #1748b5;
    font-weight: 600;
    text-decoration: underline;
    text-decoration-thickness: .09em;
    text-underline-offset: .2em;
}

.sdk-article-content blockquote {
    padding: 20px 24px;
    border-left: 5px solid var(--sdk-primary);
    border-radius: 0 12px 12px 0;
    background: #eef4ff;
    color: #263244;
}

.sdk-article-content blockquote > :last-child {
    margin-bottom: 0;
}

.sdk-article-content :where(img, video, iframe) {
    max-width: 100%;
}

.sdk-article-content img {
    height: auto;
    border-radius: 16px;
}

.sdk-article-content iframe {
    width: 100%;
    border: 0;
}

.sdk-article-content code {
    padding: .12em .36em;
    border-radius: 5px;
    background: #e5e7eb;
    color: #111827;
    font-size: .9em;
}

.sdk-article-content pre {
    max-width: 100%;
    padding: 20px;
    overflow-x: auto;
    border-radius: 12px;
    background: #111827;
    color: #f9fafb;
    line-height: 1.65;
}

.sdk-article-content pre code {
    padding: 0;
    background: transparent;
    color: inherit;
}

.sdk-article-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 16px;
}

.sdk-article-content .wp-block-table {
    max-width: 100%;
    overflow-x: auto;
}

.sdk-article-content :where(th, td) {
    min-width: 140px;
    padding: 12px 14px;
    border: 1px solid #cbd5e1;
    text-align: left;
    vertical-align: top;
}

.sdk-article-content th {
    background: #eef2f7;
    color: #111827;
}

.sdk-article-aside {
    position: sticky;
    top: 104px;
}

.sdk-article-aside-card {
    padding: 22px;
    border: 1px solid #d8e0ea;
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 14px 36px rgba(15, 23, 42, .06);
}

.sdk-article-aside-card h2 {
    margin: 0 0 16px;
    color: #111827;
    font-size: 18px;
}

.sdk-article-aside-card dl,
.sdk-article-aside-card dd {
    margin: 0;
}

.sdk-article-aside-card dl > div {
    padding: 13px 0;
    border-top: 1px solid #e5e7eb;
}

.sdk-article-aside-card dt {
    color: #526071;
    font-size: 13px;
}

.sdk-article-aside-card dd {
    margin-top: 4px;
    color: #1f2937;
    font-size: 15px;
    font-weight: 650;
}

.sdk-page-links,
.sdk-article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-top: 36px;
    padding-top: 22px;
    border-top: 1px solid #d8e0ea;
    font-size: 14px;
}

.sdk-article-tags-label {
    color: #526071;
    font-weight: 700;
}

.sdk-article-tags a,
.sdk-page-links a,
.sdk-page-links > span:not(:first-child) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
    padding: 6px 11px;
    border: 1px solid #cbd5e1;
    border-radius: 999px;
    background: #fff;
}

.sdk-article-content .sdk-author-box {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 20px;
    margin-top: 46px;
    padding: 24px;
    border: 1px solid #d8e0ea;
    border-radius: 16px;
    background: #ffffff;
}

.sdk-author-avatar img {
    border-radius: 50%;
}

.sdk-author-box h2,
.sdk-author-box p {
    margin: 0;
}

.sdk-author-box h2 {
    font-size: 14px;
    color: #526071;
}

.sdk-author-box .sdk-author-name {
    margin: 3px 0 8px;
    color: #111827;
    font-size: 19px;
    font-weight: 750;
}

.sdk-post-navigation {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 46px;
}

.sdk-post-navigation-item {
    min-width: 0;
    padding: 18px;
    border: 1px solid #d8e0ea;
    border-radius: 14px;
    background: #fff;
}

.sdk-post-navigation-item > span {
    display: block;
    margin-bottom: 6px;
    color: #526071;
    font-size: 13px;
}

.sdk-post-navigation-item a {
    display: block;
    color: #1f2937;
    font-weight: 700;
}

.sdk-post-navigation-next {
    text-align: right;
}

@media (max-width: 1024px) {
    .sdk-footer-top,
    .sdk-process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sdk-article-layout {
        grid-template-columns: minmax(0, 760px);
    }

    .sdk-article-aside {
        position: static;
        grid-row: 1;
    }

    .sdk-article-aside-card dl {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 14px;
    }

    .sdk-article-aside-card dl > div {
        padding-bottom: 0;
    }
}

@media (max-width: 820px) {
    .sdk-topbar-inner {
        min-height: auto;
        padding: 14px 0;
        flex-direction: column;
        align-items: flex-start;
    }

    .sdk-primary-navigation,
    .sdk-nav {
        width: 100%;
    }

    .sdk-summary-grid,
    .sdk-platform-grid,
    .sdk-solutions-grid,
    .sdk-about-grid,
    .sdk-process-grid,
    .sdk-support-grid,
    .sdk-testimonial-grid,
    .sdk-footer-top {
        grid-template-columns: 1fr;
    }

    .sdk-cta-box,
    .sdk-summary-card,
    .sdk-platform-card,
    .sdk-solution-card,
    .sdk-about-card,
    .sdk-process-item,
    .sdk-support-card,
    .sdk-testimonial-card,
    .sdk-faq-item,
    .sdk-intro-content {
        padding: 22px;
    }

    .sdk-section-heading p,
    .sdk-hero-desc,
    .sdk-cta-desc {
        font-size: 16px;
    }

    .sdk-article-header {
        padding-top: 34px;
    }

    .sdk-article-wide {
        width: min(100% - 24px, 760px);
    }

    .sdk-article-aside-card dl,
    .sdk-post-navigation {
        grid-template-columns: 1fr;
    }

    .sdk-post-navigation-next {
        text-align: left;
    }

    .sdk-article-content .sdk-author-box {
        grid-template-columns: 1fr;
    }
}