* { margin:0; padding:0; box-sizing:border-box; }
        body {
            font-family: -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: #f5f8fe;
            color: #1a2634;
            line-height: 1.8;
        }
        .container { max-width: 80%; margin:0 auto; padding:0 24px; }
        a { text-decoration:none; color:inherit; }
        img { display:block; max-width:100%; }

        .article-content a,
        .article-header a,
        .article-body a {
            color: #2563eb;
            text-decoration: none;
        }
        .article-content a:hover,
        .article-header a:hover,
        .article-body a:hover {
            text-decoration: underline;
            color: #1d4ed8;
        }


        .article-header {
            padding: 50px 0 40px;
            background: #ffffff;
            border-bottom: 1px solid #e9edf4;
            text-align: center;
        }
        .article-header .tag {
            font-size:0.7rem;
            font-weight:600;
            color:#2563eb;
            background:rgba(37,99,235,0.06);
            padding:2px 16px;
            border-radius:30px;
            display:inline-block;
        }
        .article-header h1 {
            font-size:2.6rem;
            font-weight:800;
            color:#0a1929;
            margin:12px auto 10px;
            line-height:1.2;
            max-width:800px;
        }
        .article-header .meta {
            color:#8896a8;
            font-size:0.85rem;
            display:flex;
            gap:24px;
            flex-wrap:wrap;
            justify-content:center;
        }

        .article-body {
            padding: 40px 0 50px;
            background: #f8faff;
        }
        .article-content {
            max-width: 820px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 18px;
            padding: 38px 42px;
            border: 1px solid #eef2f8;
        }
        .article-content h2 { font-size:1.6rem; font-weight:700; color:#0a1929; margin:28px 0 10px; }
        .article-content h2:first-child { margin-top:0; }
        .article-content h3 { font-size:1.15rem; font-weight:600; color:#0a1929; margin:20px 0 6px; }
        .article-content p { color:#475569; font-size:1rem; margin-bottom:14px; }
        .article-content ul { padding-left:24px; margin-bottom:14px; }
        .article-content ul li { color:#475569; font-size:0.98rem; margin-bottom:6px; }
        .article-content .highlight-box {
            background:#eef4ff;
            border-radius:12px;
            padding:16px 20px;
            margin:16px 0;
        }
        .article-content .highlight-box p { margin-bottom:0; }
        .article-content .inline-img {
            margin:0 auto 24px auto;
            border-radius:14px;
            overflow:hidden;
            border:1px solid #eef2f8;
            box-shadow:0 4px 16px rgba(0,0,0,0.03);
            max-width:100%;
        }
        .article-content .inline-img img { width:100%; height:auto; display:block; }
        .article-content .step-box {
            background:#f8faff;
            border-radius:12px;
            padding:14px 20px;
            margin:14px 0;
            border:1px solid #eef2f8;
        }
        .article-content .step-box .step-num {
            display:inline-block;
            background:#2563eb;
            color:#fff;
            border-radius:50%;
            width:28px;
            height:28px;
            text-align:center;
            line-height:28px;
            font-size:0.85rem;
            font-weight:700;
            margin-right:10px;
        }
        .article-content .faq-mini {
            background:#f8faff;
            border-radius:12px;
            padding:16px 20px;
            margin:16px 0;
            border-left:4px solid #2563eb;
        }
        .article-content .faq-mini p { margin-bottom:6px; }
        .article-content .faq-mini p:last-child { margin-bottom:0; }
        .article-content .faq-mini strong { color:#0a1929; }

        .article-related {
            padding: 40px 0 50px;
            background: #ffffff;
            scroll-margin-top: 85px;
        }
        .article-related h2 { font-size:1.3rem; font-weight:700; color:#0a1929; margin-bottom:20px; text-align:center; }
        .related-back {
            display:inline-flex;
            align-items:center;
            justify-content:center;
            min-height:44px;
            margin-top:12px;
            padding:8px 20px;
            border:1px solid #2563eb;
            border-radius:10px;
            color:#2563eb;
            font-weight:600;
        }
        .related-back:hover { background:#eef4ff; }
        .related-back:focus-visible { outline:3px solid #2563eb; outline-offset:3px; }


.related-item:hover { border-color:#2563eb; }

.related-item h4 a:hover { color:#2563eb; }

.related-empty {
            max-width:820px;
            margin:0 auto;
            padding:28px 20px;
            text-align:center;
            background:#f8faff;
            border:1px solid #eef2f8;
            border-radius:14px;
            color:#475569;
        }
        .related-actions { text-align:center; margin-top:12px; }



.related-item .badge-new {
            display: inline-block;
            background: #1d4ed8;
            color: #fff;
            font-size: 0.55rem;
            font-weight: 700;
            padding: 1px 10px;
            border-radius: 30px;
            letter-spacing: 0.3px;
            margin-right: 6px;
            vertical-align: middle;
        }

.related-item .tag-group span {
            background: rgba(37,99,235,0.06);
            color: #2563eb;
            font-size: 0.6rem;
            padding: 1px 10px;
            border-radius: 30px;
            font-weight: 500;
        }


        @media (max-width:992px) {
            .container { max-width: 95%; }
            .article-content { padding:28px 24px; }

.footer-grid { grid-template-columns:1fr 1fr; }
        }
        @media (max-width:768px) {
            .container { max-width: 100%; padding:0 16px; }
            .article-header h1 { font-size:1.8rem; }
            .nav-links { gap:4px 12px; }
            .nav-links a { font-size:0.82rem; }
            .article-content { padding:20px 16px; }

.footer-grid { grid-template-columns:1fr; text-align:center; }
            .footer .brand p { max-width:100%; }
            .footer-bottom { flex-direction:column; text-align:center; gap:6px; }
        }
        @media (max-width:480px) {
            .container { padding:0 12px; }
            .article-header h1 { font-size:1.5rem; }
            .article-content { padding:16px 12px; }
        }