.article-hero {
        padding: 120px 0 32px;
        background: var(--white);
        position: relative;
        overflow: hidden;
    }
    .article-hero::before {
        content: ''; position: absolute; inset: 0; pointer-events: none;
        background:
            radial-gradient(ellipse 60% 80% at 90% 20%, rgba(99,102,241,.09) 0%, transparent 60%),
            radial-gradient(ellipse 40% 60% at 10% 80%, rgba(6,182,212,.07) 0%, transparent 60%);
    }
    .article-hero-inner {
        position: relative;
        z-index: 1;
        max-width: 1000px;
        margin: 0 auto;
        min-width: 0;
    }

    .breadcrumbs {
        display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
        font-size: .8125rem; color: var(--t5); margin-bottom: 24px;
        min-width: 0;
    }
    .breadcrumbs a { color: var(--t5); transition: color var(--tr); }
    .breadcrumbs a:hover { color: var(--p); }
    .breadcrumbs .sep { color: var(--t3); }
    .breadcrumbs .current {
        color: var(--t9); font-weight: 600;
        overflow-wrap: anywhere;
        word-break: break-word;
    }

    .article-tag-row {
        display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
        margin-bottom: 22px;
    }

    .article-h1 {
        font-size: clamp(1.9rem, 4vw, 2.85rem);
        font-weight: 900; color: var(--t9);
        letter-spacing: -.035em; line-height: 1.15;
        margin-bottom: 22px;
        overflow-wrap: anywhere;
        word-break: break-word;
    }

    .article-lead {
        font-size: 1.1875rem; color: var(--t5); line-height: 1.65;
        margin-bottom: 28px;
        overflow-wrap: anywhere;
    }

    .article-meta-bar {
        display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
        padding: 18px 0; border-top: 1px solid var(--bdr); border-bottom: 1px solid var(--bdr);
    }
    .meta-author { display: flex; align-items: center; gap: 12px; min-width: 0; }
    .meta-author-avatar {
        width: 44px; height: 44px; border-radius: 50%; background: var(--gp);
        display: flex; align-items: center; justify-content: center;
        color: #fff; font-weight: 700; font-size: .9rem; flex-shrink: 0;
    }
    .meta-author-info { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
    .meta-author-name { font-size: .875rem; font-weight: 700; color: var(--t9); }
    .meta-author-role { font-size: .75rem; color: var(--t5); }
    .meta-divider { width: 1px; height: 32px; background: var(--bdr); }
    .meta-stat { display: flex; align-items: center; gap: 6px; font-size: .8125rem; color: var(--t5); }
    .meta-stat i { color: var(--p); }
    .meta-share { margin-left: auto; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
    .share-btn {
        width: 36px; height: 36px; border-radius: 50%;
        background: var(--alt); border: 1px solid var(--bdr); color: var(--t7);
        display: flex; align-items: center; justify-content: center;
        font-size: .85rem; cursor: pointer; transition: all var(--tr); text-decoration: none;
        flex-shrink: 0;
    }
    .share-btn:hover { background: var(--p); color: #fff; border-color: var(--p); transform: translateY(-2px); }

    .article-cover {
        max-width: 1100px; margin: 32px auto 0; padding: 0 24px;
        box-sizing: border-box;
    }
    .article-cover-inner {
        height: clamp(260px, 42vw, 460px);
        border-radius: var(--r24); overflow: hidden;
        position: relative;
        box-shadow: var(--sh3);
    }

    .article-wrap { padding: 56px 0 88px; }
    .article-grid {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 48px;
        align-items: start;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
        box-sizing: border-box;
    }

    .article-body {
        font-size: 1.0625rem; color: var(--t7); line-height: 1.8;
        min-width: 0;
        max-width: 100%;
        overflow-wrap: break-word;
        word-wrap: break-word;
    }
    .article-body > * + * { margin-top: 22px; }
    .article-body h2 {
        font-size: 1.7rem; font-weight: 800; color: var(--t9);
        letter-spacing: -.02em; line-height: 1.3;
        margin-top: 44px; margin-bottom: 14px;
        overflow-wrap: anywhere;
    }
    .article-body h3 {
        font-size: 1.3rem; font-weight: 700; color: var(--t9);
        line-height: 1.4; margin-top: 32px; margin-bottom: 10px;
        overflow-wrap: anywhere;
    }
    .article-body p { color: var(--t7); }
    .article-body a {
        color: var(--p); font-weight: 600;
        border-bottom: 1px solid rgba(99,102,241,.3); transition: all var(--tr);
        word-break: break-word;
    }
    .article-body a:hover { color: var(--pd); border-bottom-color: var(--pd); }
    .article-body ul, .article-body ol { padding-left: 24px; }
    .article-body li { margin-bottom: 8px; }
    .article-body li::marker { color: var(--p); }
    .article-body img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--r16); margin: 12px 0;
        box-shadow: var(--sh2);
    }
    .article-body blockquote {
        border-left: 4px solid var(--p);
        background: linear-gradient(135deg, rgba(99,102,241,.05), rgba(139,92,246,.05));
        padding: 20px 24px; border-radius: 0 var(--r16) var(--r16) 0;
        font-size: 1.0625rem; color: var(--t9); font-style: italic;
        margin: 24px 0;
    }
    .article-body blockquote p { color: var(--t9); margin: 0; }
    .article-body code {
        background: var(--alt); border: 1px solid var(--bdr);
        padding: 2px 7px; border-radius: 6px;
        font-family: 'JetBrains Mono', 'Courier New', monospace;
        font-size: .9em; color: var(--pd);
        word-break: break-word;
    }
    .article-body pre {
        background: var(--t9); color: #e2e8f0;
        padding: 18px 22px; border-radius: var(--r12);
        overflow-x: auto;
        max-width: 100%;
        font-size: .875rem; line-height: 1.65;
    }
    .article-body pre code {
        background: none; border: none; color: inherit; padding: 0;
        word-break: normal;
        white-space: pre;
    }
    .article-body hr {
        border: none; height: 1px; background: var(--bdr); margin: 36px 0;
    }

    .article-body .table-wrap {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 28px 0;
        border: 1px solid var(--bdr);
        border-radius: var(--r16);
        padding: 4px;
        background: var(--white);
        box-shadow: var(--sh1);
        position: relative;
    }

    .article-body table {
        width: 100%;
        min-width: 620px;
        border-collapse: collapse;
        border: 1px solid var(--bdr);
        border-radius: var(--r12);
        overflow: hidden;
        table-layout: auto;
    }

    .article-body thead {
        background: var(--alt);
    }

    .article-body th,
    .article-body td {
        padding: 14px 12px;
        text-align: left;
        border-bottom: 1px solid var(--bdr);
        font-size: 0.925rem;
        line-height: 1.45;
        vertical-align: top;
        word-break: break-word;
        hyphens: auto;
    }

    .article-body th {
        font-weight: 700;
        color: var(--t9);
        position: sticky;
        top: 0;
        z-index: 10;
        background: var(--alt);
    }

    .article-body tr:last-child td {
        border-bottom: none;
    }


    .article-body .table-wrap::after {
        position: absolute;
        bottom: 8px;
        right: 12px;
        font-size: 0.75rem;
        color: var(--t5);
        background: rgba(255,255,255,0.95);
        padding: 3px 10px;
        border-radius: 9999px;
        box-shadow: 0 2px 6px rgba(0,0,0,0.1);
        pointer-events: none;
        display: none;
    }


    .callout {
        display: flex; gap: 14px;
        border-radius: var(--r16); padding: 18px 22px;
        border: 1px solid; margin: 24px 0;
        max-width: 100%;
    }
    .callout > div { min-width: 0; flex: 1; }
    .callout i { font-size: 1.25rem; flex-shrink: 0; margin-top: 2px; }
    .callout-info    { background: rgba(99,102,241,.06);  border-color: rgba(99,102,241,.2);  color: var(--t7); }
    .callout-info    i { color: var(--p); }
    .callout-warn    { background: rgba(245,158,11,.06);  border-color: rgba(245,158,11,.2);  color: var(--t7); }
    .callout-warn    i { color: var(--warn); }
    .callout-success { background: rgba(16,185,129,.06);  border-color: rgba(16,185,129,.2);  color: var(--t7); }
    .callout-success i { color: var(--ok); }


    .article-tags {
        margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--bdr);
        display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    }
    .article-tags .tags-label {
        font-size: .8125rem; font-weight: 700; color: var(--t5);
        text-transform: uppercase; letter-spacing: .05em;
    }


    .author-card {
        margin-top: 36px;
        background: linear-gradient(135deg, rgba(99,102,241,.05), rgba(139,92,246,.05));
        border: 1px solid rgba(99,102,241,.18);
        border-radius: var(--r20); padding: 28px;
        display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap;
        max-width: 100%;
        box-sizing: border-box;
    }
    .author-card-avatar {
        width: 64px; height: 64px; border-radius: 50%; background: var(--gp);
        display: flex; align-items: center; justify-content: center;
        color: #fff; font-weight: 800; font-size: 1.25rem; flex-shrink: 0;
    }
    .author-card-body { flex: 1; min-width: 200px; }
    .author-card-name { font-size: 1.0625rem; font-weight: 700; color: var(--t9); margin-bottom: 4px; }
    .author-card-role { font-size: .8125rem; color: var(--p); font-weight: 600; margin-bottom: 10px; }
    .author-card-bio  { font-size: .9rem; color: var(--t5); line-height: 1.65; }


    .article-nav {
        margin-top: 40px; display: grid;
        grid-template-columns: 1fr 1fr; gap: 16px;
    }
    .nav-card {
        background: var(--white); border: 1px solid var(--bdr);
        border-radius: var(--r16); padding: 20px;
        display: flex; flex-direction: column; gap: 6px;
        transition: all var(--tr); text-decoration: none;
        min-width: 0;
    }
    .nav-card:hover {
        border-color: rgba(99,102,241,.3);
        box-shadow: var(--sh2); transform: translateY(-2px);
    }
    .nav-card.next { text-align: right; align-items: flex-end; }
    .nav-card .nav-label {
        font-size: .75rem; font-weight: 700; color: var(--t5);
        text-transform: uppercase; letter-spacing: .07em;
        display: flex; align-items: center; gap: 6px;
    }
    .nav-card .nav-title {
        font-size: .9375rem; font-weight: 700; color: var(--t9); line-height: 1.4;
        overflow-wrap: anywhere;
    }
    .nav-card:hover .nav-title { color: var(--p); }


    .sidebar {
        display: flex; flex-direction: column; gap: 24px;
        position: sticky; top: 120px;
        min-width: 0;
    }
    .sbar-block {
        background: var(--white); border: 1px solid var(--bdr);
        border-radius: var(--r20); overflow: hidden;
        max-width: 100%;
    }
    .sbar-head {
        padding: 18px 20px 14px; border-bottom: 1px solid var(--bdr);
        font-size: .9375rem; font-weight: 700; color: var(--t9);
        display: flex; align-items: center; gap: 8px;
    }
    .sbar-head i { color: var(--p); }
    .sbar-body { padding: 16px 20px 20px; }


    .toc-list { display: flex; flex-direction: column; gap: 2px; }
    .toc-list a {
        display: block; padding: 9px 12px; border-radius: var(--r8);
        font-size: .875rem; color: var(--t7); line-height: 1.45;
        transition: all var(--tr); border-left: 2px solid transparent;
        overflow-wrap: anywhere;
    }
    .toc-list a:hover { background: var(--alt); color: var(--p); }
    .toc-list a.active {
        background: rgba(99,102,241,.08); color: var(--p);
        font-weight: 600; border-left-color: var(--p);
    }
    .toc-list a.lvl-3 { padding-left: 24px; font-size: .825rem; }


    .sbar-tg { background: var(--gp); border: none; }
    .sbar-tg-inner { padding: 28px 24px; text-align: center; }
    .sbar-tg-ico {
        width: 56px; height: 56px; background: rgba(255,255,255,.15); border-radius: 16px;
        display: flex; align-items: center; justify-content: center;
        font-size: 1.5rem; color: #fff; margin: 0 auto 16px;
    }
    .sbar-tg h4 { font-size: 1.0625rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
    .sbar-tg p  { font-size: .875rem; color: rgba(255,255,255,.82); line-height: 1.6; margin-bottom: 20px; }
    .btn-tg-white {
        background: #fff; color: var(--p); border-radius: var(--rfull);
        padding: 10px 22px; font-size: .875rem; font-weight: 700;
        display: inline-flex; align-items: center; gap: 7px;
        transition: all var(--tr); text-decoration: none;
    }
    .btn-tg-white:hover { background: rgba(255,255,255,.9); transform: translateY(-2px); }


    .related-list { display: flex; flex-direction: column; gap: 0; }
    .related-item {
        display: flex; gap: 12px; padding: 14px 0;
        border-bottom: 1px solid var(--bdr); text-decoration: none;
        transition: opacity var(--tr);
    }
    .related-item:last-child { border-bottom: none; padding-bottom: 0; }
    .related-item:hover { opacity: .85; }
    .related-thumb {
        width: 64px; height: 64px; border-radius: var(--r12);
        flex-shrink: 0; position: relative;
    }
    .related-text { flex: 1; min-width: 0; }
    .related-text h5 {
        font-size: .8125rem; font-weight: 600; color: var(--t9);
        line-height: 1.4; margin-bottom: 4px;
        transition: color var(--tr);
        overflow-wrap: anywhere;
    }
    .related-item:hover .related-text h5 { color: var(--p); }
    .related-text span { font-size: .7rem; color: var(--t5); }


    .related-section {
        margin-top: 56px; padding-top: 48px; border-top: 1px solid var(--bdr);
    }
    .related-grid {
        display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
    }
    .ncard-related {
        background: var(--white); border: 1px solid var(--bdr); border-radius: var(--r16);
        overflow: hidden; display: flex; flex-direction: column;
        transition: all var(--tr); text-decoration: none;
        min-width: 0;
    }
    .ncard-related:hover {
        transform: translateY(-4px); box-shadow: var(--sh3);
        border-color: rgba(99,102,241,.25);
    }
    .ncard-related-img { height: 140px; position: relative; }
    .ncard-related-img .ntag { position: absolute; top: 12px; left: 12px; }
    .ncard-related-body {
        padding: 18px; display: flex; flex-direction: column;
        gap: 8px; flex: 1; min-width: 0;
    }
    .ncard-related h3 {
        font-size: .9375rem; font-weight: 700; color: var(--t9); line-height: 1.45;
        overflow-wrap: anywhere;
    }
    .ncard-related-meta {
        margin-top: auto; padding-top: 6px;
        display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    }


    @media (max-width: 1024px) {
        .article-grid { grid-template-columns: minmax(0, 1fr); }
        .sidebar { position: static; top: auto; }
        .related-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
        .article-hero { padding: 100px 0 28px; }
        .article-h1 { font-size: 1.7rem; }
        .article-lead { font-size: 1rem; }
        .article-body { font-size: 1rem; }
        .article-body h2 { font-size: 1.4rem; }
        .article-body h3 { font-size: 1.15rem; }

        .article-body .table-wrap {
            margin: 24px -4px;
            border-radius: var(--r12);
            padding: 6px 4px;
        }
        .article-body table {
            min-width: 560px;
            font-size: 0.9rem;
        }
        .article-body th,
        .article-body td {
            padding: 11px 10px;
            font-size: 0.875rem;
        }
        .article-body .table-wrap::after {
            display: block;
        }

        .article-body pre { margin: 16px 0; border-radius: var(--r12); padding: 14px 16px; font-size: .8125rem; }
        .article-body img { margin: 16px 0; }
        .related-grid { grid-template-columns: 1fr; }
        .article-cover { padding: 0 16px; }
        .article-grid { padding: 0 16px; gap: 32px; }
    }

    @media (max-width: 480px) {
        .author-card { padding: 20px; flex-direction: column; }
        .callout { padding: 14px 16px; gap: 10px; }
        .article-body table {
            min-width: 520px;
        }
    }