:root {
            --bg: #eef3f7;
            --card: #ffffff;
            --line: rgba(15, 23, 42, 0.10);
            --text: #17344d;
            --muted: #66788c;
            --brand: #0d5e86;
            --deep: #083f64;
            --shadow: none;
        }
        * { box-sizing: border-box; }
        body {
            margin: 0;
            color: var(--text);
            font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
            background:
                linear-gradient(180deg, #f8fbfe 0%, #f3f6fa 240px, var(--bg) 240px, var(--bg) 100%);
        }
        a { color: inherit; text-decoration: none; }
        img { max-width: 100%; display: block; }
        .shell { width: min(1200px, calc(100% - 28px)); margin: 0 auto; padding: 12px 0 40px; }
        .portal-header, .hero, .article-card, .side-card { background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
        .portal-header { border-top: 4px solid var(--brand); overflow: hidden; }
        .portal-topbar { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 10px 22px; background: #f4f6f9; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
        .portal-brandbar, .hero, .layout, .footer-main { display: grid; gap: 18px; }
        .portal-brandbar { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; padding: 24px; }
        .portal-brand { display: flex; gap: 18px; align-items: center; }
        .portal-brand-logo, .portal-brand-mark { width: 74px; height: 74px; flex: none; }
        .portal-brand-logo { object-fit: cover; border: 1px solid var(--line); }
        .portal-brand-mark { display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--brand), var(--deep)); color: #fff; font-size: 18px; font-weight: 700; }
        .portal-brand-copy strong { display: block; font-size: 18px; line-height: 1.15; letter-spacing: 1px; }
        .portal-brand-copy span { display: block; margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.85; }
        .portal-brand-meta { padding: 18px 20px; border-left: 4px solid var(--brand); }
        .portal-brand-meta span { display: block; color: var(--muted); font-size: 13px; }
        .portal-brand-meta b { display: block; font-size: 18px; line-height: 1.7; }
        .portal-nav { display: flex; overflow: auto; justify-content: flex-end; align-items: center; gap: 8px; padding: 0; }
        .portal-nav::-webkit-scrollbar { display: none; }
        .portal-nav-link { flex: 0 0 auto; padding: 10px 14px; color: var(--text); font-size: 14px; font-weight: 700; }
        .portal-nav-link.current, .portal-nav-link:hover { color: var(--brand); background: #f3f7fb; }
        .hero { grid-template-columns: 1fr; margin-top: 16px; padding: 26px; border-top: 4px solid var(--brand); background: linear-gradient(140deg, rgba(13, 94, 134, 0.06), rgba(8, 63, 100, 0.03)), linear-gradient(180deg, #ffffff, #f9fbfd); }
        .crumbs { display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); font-size: 13px; }
        .crumbs a { color: var(--brand); }
        .hero-title { margin: 16px 0 12px; font-size: 18px; line-height: 1.15; }
        .hero-text { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.95; }
        .hero-tags { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
        .tag { display: inline-flex; padding: 8px 12px; background: #eef4f8; color: var(--brand); font-size: 13px; font-weight: 700; }
        .layout { grid-template-columns: minmax(0, 1.7fr) minmax(320px, 0.78fr); margin-top: 16px; align-items: start; }
        .article-card, .side-card { padding: 24px; }
        .article-card { border-top: 4px solid #d8e2eb; }
        .side-card + .side-card { margin-top: 16px; }
        .section-head { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 16px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
        .section-title-wrap { position: relative; padding-left: 14px; }
        .section-title-wrap::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; background: var(--brand); }
        .section-head h2, .section-head h3 { margin: 0; font-size: 18px; line-height: 1.25; }
        .section-head p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
        .meta-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
        .summary { margin: 0 0 22px; padding: 18px 20px; background: #f4f8fc; border-left: 4px solid var(--brand); color: #294559; line-height: 1.9; }
        .article-body { font-size: 16px; line-height: 2; word-break: break-word; }
        .article-body h1, .article-body h2, .article-body h3, .article-body h4 { font-size: 18px; line-height: 1.45; margin-top: 1.8em; margin-bottom: 0.7em; color: #17344d; }
        .article-body p { margin: 0 0 1.15em; }
        .article-body img { max-width: 100%; height: auto; margin: 1.2em auto; border: 1px solid rgba(15, 23, 42, 0.08); }
        .article-body table { width: 100%; max-width: 100%; border-collapse: collapse; margin: 1.2em 0; }
        .article-body td, .article-body th { padding: 10px 12px; border: 1px solid rgba(15, 23, 42, 0.08); }
        .article-body blockquote { margin: 1.4em 0; padding: 14px 18px; border-left: 4px solid var(--brand); background: rgba(13, 94, 134, 0.06); color: #294559; }
        .field-list, .simple-list { display: grid; gap: 14px; }
        .field-item, .simple-link { display: block; padding: 15px 16px; background: #ffffff; border-left: 4px solid #d7e1ea; border-top: 1px solid rgba(15, 23, 42, 0.07); border-right: 1px solid rgba(15, 23, 42, 0.07); border-bottom: 1px solid rgba(15, 23, 42, 0.07); }
        .field-label { color: var(--muted); font-size: 12px; }
        .field-value { margin-top: 6px; color: var(--text); line-height: 1.8; font-size: 14px; word-break: break-word; }
        .simple-link strong { display: block; font-size: 15px; line-height: 1.7; color: #213850; }
        .simple-meta { display: inline-flex; margin-top: 8px; padding: 6px 10px; background: #f4f8fc; color: var(--deep); font-size: 12px; }
        .empty-html, .empty-text { padding: 20px 18px; background: #f8fbff; border: 1px dashed #d7e2eb; color: #7a8a9c; line-height: 1.8; text-align: center; }
        .portal-footer { margin-top: 18px; overflow: hidden; background: #0a3553; border: none; color: #d7e4ef; }
        .footer-main { grid-template-columns: minmax(0, 1.2fr) minmax(180px, 0.7fr) minmax(220px, 0.8fr); gap: 22px; padding: 28px; }
        .footer-title { font-size: 18px; font-weight: 700; line-height: 1.3; color: #ffffff; }
        .footer-desc { margin-top: 12px; color: rgba(215, 228, 239, 0.86); font-size: 14px; line-height: 1.9; }
        .footer-col { display: grid; gap: 10px; align-content: start; padding-left: 18px; border-left: 1px solid rgba(255, 255, 255, 0.14); }
        .footer-col strong { font-size: 15px; color: #ffffff; }
        .footer-col a, .footer-col span { color: rgba(215, 228, 239, 0.86); font-size: 13px; line-height: 1.8; }
        .footer-bottom { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 14px 28px; border-top: 1px solid rgba(255, 255, 255, 0.12); background: #072842; color: rgba(215, 228, 239, 0.82); font-size: 13px; }
        @media (max-width: 1180px) {
            .portal-brandbar, .hero, .layout, .footer-main { grid-template-columns: 1fr; }
        }
        @media (max-width: 760px) {
            .shell { width: min(100%, calc(100% - 20px)); padding-top: 12px; }
            .portal-topbar { flex-direction: column; align-items: flex-start; }
            .portal-brandbar, .hero, .article-card, .side-card { padding: 18px; }
            .portal-nav { justify-content: flex-start; width: 100%; padding-top: 12px; border-top: 1px solid var(--line); }
            .portal-brand { align-items: flex-start; }
            .portal-brand-logo, .portal-brand-mark { width: 58px; height: 58px; }
            .portal-brand-copy strong { font-size: 18px; }
            .article-body { font-size: 15px; }
            .footer-col { padding-left: 0; border-left: none; padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, 0.14); }
        }