body {
        background:
          radial-gradient(circle at top left, rgba(26,115,232,0.12), transparent 28%),
          radial-gradient(circle at top right, rgba(249,115,22,0.08), transparent 22%),
          var(--bg-page);
        color: var(--text-main);
      }

      .portal-shell {
        max-width: 1280px;
        margin: 0 auto;
        padding: 28px 20px 64px;
      }

      .portal-topbar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        padding: 1.1rem 1.4rem;
        margin-bottom: 1.8rem;
        background: rgba(255,255,255,0.7);
        border: 1px solid rgba(148,163,184,0.2);
        border-radius: 1.2rem;
        backdrop-filter: blur(10px);
      }

      .portal-brand {
        display: flex;
        align-items: center;
        gap: 0.8rem;
        font-weight: 800;
      }

      .portal-brand-mark {
        width: 2.5rem;
        height: 2.5rem;
        border-radius: 0.9rem;
        display: grid;
        place-items: center;
        background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
        color: #fff;
        box-shadow: var(--shadow-lg);
      }

      .portal-brand-text span {
        display: block;
        font-size: 1rem;
      }

      .portal-brand-text small {
        display: block;
        color: var(--text-muted);
        font-size: 0.7rem;
        letter-spacing: 0.08em;
        text-transform: uppercase;
      }

      .portal-nav {
        display: flex;
        align-items: center;
        gap: 1.5rem;
        font-size: 0.92rem;
        color: var(--text-sub);
      }

      .portal-nav a:hover {
        color: var(--brand-primary);
      }

      .portal-hero {
        display: grid;
        grid-template-columns: 1.08fr 0.92fr;
        align-items: center;
        gap: 1.8rem;
        padding: 1rem 0 0.5rem;
      }

      .portal-hero-copy {
        padding: 1.8rem 0;
      }

      .portal-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.45rem 0.8rem;
        border-radius: 999px;
        background: rgba(26,115,232,0.1);
        color: var(--brand-primary);
        font-size: 0.8rem;
        font-weight: 700;
      }

      .portal-hero h1 {
        margin: 1rem 0 0.9rem;
        font-size: clamp(2.45rem, 4vw, 4.2rem);
        line-height: 1.03;
        letter-spacing: -0.06em;
      }

      .portal-lead {
        max-width: 620px;
        color: var(--text-sub);
        font-size: 1.06rem;
        line-height: 1.8;
      }

      .portal-cta-row {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
        margin-top: 1.5rem;
      }

      .portal-hero-stats {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 1rem;
        margin-top: 1.8rem;
      }

      .portal-mini-stat {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 1.1rem;
        box-shadow: var(--shadow-sm);
        padding: 1.1rem 1rem;
      }

      .portal-mini-stat strong {
        display: block;
        font-size: 1.5rem;
        margin-bottom: 0.3rem;
      }

      .portal-mini-stat span {
        color: var(--text-muted);
        font-size: 0.8rem;
      }

      .portal-visual {
        position: relative;
      }

      .portal-surface-card {
        position: relative;
        background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(241,245,249,0.92));
        border: 1px solid rgba(148,163,184,0.2);
        border-radius: 1.5rem;
        box-shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
        padding: 1.1rem;
      }

      .portal-dashboard {
        background: linear-gradient(135deg, #0f172a 0%, #111827 100%);
        border-radius: 1.1rem;
        padding: 1.1rem;
        min-height: 440px;
        color: #edf6ff;
      }

      .portal-surface-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 1.1rem;
      }

      .portal-surface-dots {
        display: flex;
        gap: 0.5rem;
      }

      .portal-surface-dots span {
        width: 0.65rem;
        height: 0.65rem;
        border-radius: 50%;
        background: rgba(255,255,255,0.4);
      }

      .portal-surface-chip {
        border: 1px solid rgba(255,255,255,0.14);
        border-radius: 999px;
        padding: 0.38rem 0.7rem;
        font-size: 0.7rem;
        color: rgba(224,242,254,0.9);
      }

      .portal-kpi-row {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.75rem;
        margin-bottom: 1.1rem;
      }

      .portal-kpi {
        background: rgba(148,163,184,0.12);
        border: 1px solid rgba(148,163,184,0.16);
        border-radius: 0.9rem;
        padding: 0.9rem 0.75rem;
      }

      .portal-kpi-label {
        font-size: 0.72rem;
        color: rgba(191,219,254,0.9);
      }

      .portal-kpi-value {
        display: block;
        margin-top: 0.5rem;
        font-size: 1.5rem;
        font-weight: 800;
      }

      .portal-module-grid {
        display: grid;
        grid-template-columns: 1.4fr 0.8fr;
        gap: 0.8rem;
      }

      .portal-module {
        background: rgba(15, 23, 42, 0.72);
        border: 1px solid rgba(148,163,184,0.14);
        border-radius: 1rem;
        padding: 0.9rem;
      }

      .portal-module-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
      }

      .portal-bars {
        display: flex;
        align-items: end;
        gap: 0.5rem;
        height: 7.2rem;
        margin-top: 0.8rem;
      }

      .portal-bars span {
        display: inline-block;
        flex: 1;
        border-radius: 0.65rem 0.65rem 0.25rem 0.25rem;
        background: linear-gradient(180deg, rgba(37,99,235,1), rgba(14,165,233,0.35));
      }

      .portal-list {
        display: flex;
        flex-direction: column;
        gap: 0.65rem;
        margin-top: 0.8rem;
      }

      .portal-list-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.65rem 0.75rem;
        border-radius: 0.7rem;
        background: rgba(148,163,184,0.08);
        font-size: 0.8rem;
      }

      .portal-badge {
        display: inline-flex;
        align-items: center;
        border-radius: 999px;
        padding: 0.26rem 0.6rem;
        font-size: 0.7rem;
        font-weight: 700;
      }

      .portal-badge-success {
        background: rgba(16,185,129,0.14);
        color: #6ee7b7;
      }

      .portal-badge-info {
        background: rgba(59,130,246,0.14);
        color: #bfdbfe;
      }

      .portal-features {
        margin-top: 3.2rem;
      }

      .portal-section-heading {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 1rem;
        margin-bottom: 1.1rem;
      }

      .portal-feature-grid {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 1.1rem;
      }

      .portal-feature-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 1.25rem;
        padding: 1.4rem 1.1rem;
        box-shadow: var(--shadow-sm);
      }

      .portal-feature-icon {
        width: 2.75rem;
        height: 2.75rem;
        display: grid;
        place-items: center;
        border-radius: 0.9rem;
        background: var(--brand-primary-light);
        color: var(--brand-primary);
        margin-bottom: 0.9rem;
        font-weight: 800;
      }

      .portal-feature-card h3 {
        margin: 0 0 0.5rem;
        font-size: 1.08rem;
      }

      .portal-feature-card p {
        margin: 0;
        color: var(--text-sub);
        line-height: 1.7;
      }

      .portal-feature-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
      }

      .portal-proofs {
        margin-top: 3.5rem;
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 1.1rem;
      }

      .portal-proof-card,
      .portal-case-card,
      .portal-process-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 1.4rem;
        box-shadow: var(--shadow-sm);
      }

      .portal-proof-card {
        padding: 1.5rem;
      }

      .portal-proof-card h3,
      .portal-case-card h3,
      .portal-process-card h3 {
        margin: 0 0 1rem;
        font-size: 1.2rem;
      }

      .portal-proof-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0,1fr));
        gap: 1rem;
      }

      .portal-proof-item {
        padding: 1rem;
        background: var(--bg-muted);
        border: 1px solid var(--border-color);
        border-radius: 1rem;
      }

      .portal-proof-item strong {
        display: block;
        font-size: 1.5rem;
        margin-bottom: 0.35rem;
      }

      .portal-proof-item span {
        color: var(--text-sub);
        font-size: 0.8rem;
      }

      .portal-case-card,
      .portal-process-card {
        padding: 1.4rem 1.2rem;
      }

      .portal-case-list,
      .portal-process-list {
        display: grid;
        gap: 0.8rem;
      }

      .portal-case-item,
      .portal-process-item {
        display: flex;
        align-items: center;
        gap: 0.8rem;
        padding: 0.8rem 0.85rem;
        border-radius: 0.8rem;
        background: var(--bg-muted);
      }

      .portal-case-num,
      .portal-process-step {
        width: 2.1rem;
        height: 2.1rem;
        display: grid;
        place-items: center;
        border-radius: 0.7rem;
        background: var(--brand-primary-light);
        color: var(--brand-primary);
        font-weight: 800;
      }

      .portal-service-layout {
        margin-top: 3rem;
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 1.1rem;
      }

      .portal-service-panel {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 1.4rem;
        box-shadow: var(--shadow-sm);
        padding: 1.5rem;
      }

      .portal-service-panel h3 {
        margin: 0.9rem 0 0.8rem;
        font-size: clamp(1.6rem, 2.2vw, 2.2rem);
        line-height: 1.2;
      }

      .portal-service-panel p {
        margin: 0;
        color: var(--text-sub);
        line-height: 1.8;
      }

      .portal-service-panel strong {
        color: var(--text-main);
      }

      .portal-service-list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.8rem;
        margin-top: 1.2rem;
      }

      .portal-service-item {
        display: flex;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 1rem;
        border: 1px solid var(--border-color);
        border-radius: 0.9rem;
        background: var(--bg-muted);
      }

      .portal-service-item strong {
        display: block;
        margin-bottom: 0.2rem;
      }

      .portal-service-item span {
        color: var(--text-sub);
        font-size: 0.8rem;
        line-height: 1.6;
      }

      .portal-service-mark {
        width: 2.2rem;
        height: 2.2rem;
        display: grid;
        place-items: center;
        border-radius: 0.7rem;
        background: var(--brand-primary-light);
        color: var(--brand-primary);
        font-weight: 800;
      }

      .portal-service-panel--alt {
        background: linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(30, 41, 59, 0.96));
        color: #edf6ff;
      }

      .portal-service-panel--alt p,
      .portal-service-panel--alt span {
        color: rgba(224,242,254,0.8);
      }

      .portal-trust-row {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1.2rem;
      }

      .portal-trust-pill {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 2rem;
        padding: 0.35rem 0.75rem;
        border-radius: 999px;
        background: rgba(148, 163, 184, 0.12);
        border: 1px solid rgba(148, 163, 184, 0.18);
        color: rgba(224,242,254,0.9);
        font-size: 0.78rem;
      }

      .portal-trust-strip {
        margin-top: 2.5rem;
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem;
      }

      .portal-trust-surface {
        margin-top: 1.1rem;
        padding: 0.8rem 0.9rem;
        border: 1px solid var(--border-color);
        border-radius: 1rem;
        background: rgba(255,255,255,0.5);
      }

      .portal-trust-surface small {
        display: block;
        margin-bottom: 0.6rem;
        color: var(--text-muted);
        letter-spacing: 0.08em;
        text-transform: uppercase;
      }

      .portal-value-strip {
        margin-top: 1.1rem;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.8rem;
      }

      .portal-value-item {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        background: rgba(255,255,255,0.52);
        border: 1px solid var(--border-color);
        border-radius: 0.9rem;
        padding: 0.8rem 0.9rem;
      }

      .portal-value-item strong {
        display: block;
        font-size: 1rem;
      }

      .portal-value-item span {
        color: var(--text-sub);
        font-size: 0.8rem;
      }

      .portal-value-icon {
        width: 2.2rem;
        height: 2.2rem;
        display: grid;
        place-items: center;
        border-radius: 0.7rem;
        background: var(--brand-primary-light);
        color: var(--brand-primary);
        font-weight: 800;
      }

      .portal-trust-chip {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 2.3rem;
        padding: 0.45rem 0.85rem;
        border: 1px solid var(--border-color);
        border-radius: 999px;
        background: rgba(255,255,255,0.55);
        color: var(--text-sub);
        font-size: 0.78rem;
      }

      .portal-solution-section {
        margin-top: 3.2rem;
      }

      .portal-solution-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1rem;
        margin-top: 1.2rem;
      }

      .portal-solution-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 1.2rem;
        padding: 1.4rem 1.2rem;
        box-shadow: var(--shadow-sm);
      }

      .portal-solution-card .portal-solution-kicker {
        display: inline-block;
        margin-bottom: 0.8rem;
        color: var(--brand-primary);
        font-size: 0.76rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
      }

      .portal-solution-card h3 {
        margin: 0 0 0.8rem;
        font-size: 1.2rem;
      }

      .portal-solution-card p {
        margin: 0 0 1rem;
        color: var(--text-sub);
        line-height: 1.75;
      }

      .portal-solution-card ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: grid;
        gap: 0.6rem;
      }

      .portal-solution-card li {
        position: relative;
        padding-left: 1.1rem;
        color: var(--text-sub);
        line-height: 1.6;
      }

      .portal-solution-card li::before {
        content: "•";
        position: absolute;
        left: 0;
        color: var(--brand-primary);
        font-weight: 800;
      }

      .portal-testimonial-wrap {
        margin-top: 3rem;
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: 1rem;
      }

      .portal-quote-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 1.4rem;
        padding: 1.5rem;
        box-shadow: var(--shadow-sm);
      }

      .portal-quote-card blockquote {
        margin: 0 0 1rem;
        font-size: 1.04rem;
        line-height: 1.9;
        color: var(--text-main);
      }

      .portal-quote-meta {
        display: flex;
        align-items: center;
        gap: 0.8rem;
      }

      .portal-quote-avatar {
        width: 2.6rem;
        height: 2.6rem;
        display: grid;
        place-items: center;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
        color: #fff;
        font-weight: 800;
      }

      .portal-quote-meta strong {
        display: block;
      }

      .portal-quote-meta span {
        color: var(--text-muted);
        font-size: 0.75rem;
      }

      .portal-footer {
        margin-top: 3rem;
        padding-top: 1.5rem;
        border-top: 1px solid var(--border-color);
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 0.8rem;
        color: var(--text-sub);
        font-size: 0.9rem;
      }

      .portal-footer-links {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 1rem;
      }

      .portal-footer-links a {
        color: var(--text-sub);
      }

      .portal-cta-banner {
        margin-top: 3rem;
        padding: 2rem 1.6rem;
        background: linear-gradient(135deg, rgba(26,115,232,0.9), rgba(14,165,233,0.8));
        border-radius: 1.5rem;
        color: #fff;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
      }

      .portal-cta-banner h3 {
        margin: 0 0 0.3rem;
        font-size: clamp(1.7rem, 2vw, 2.3rem);
      }

      .portal-cta-banner p {
        margin: 0;
        color: rgba(255,255,255,0.82);
      }

      @media (max-width: 980px) {
        .portal-hero,
        .portal-feature-grid,
        .portal-proofs,
        .portal-service-layout,
        .portal-testimonial-wrap,
        .portal-solution-grid,
        .portal-value-strip {
          grid-template-columns: 1fr;
        }
      }

      @media (max-width: 640px) {
        .portal-topbar,
        .portal-nav,
        .portal-section-heading,
        .portal-cta-banner {
          flex-direction: column;
          align-items: flex-start;
        }

        .portal-hero-stats,
        .portal-kpi-row,
        .portal-feature-grid,
        .portal-proof-grid,
        .portal-module-grid {
          grid-template-columns: 1fr;
        }
      }

/* ============================================================
   portal 首页扩展：模板网格 + 站点列表（蓝本未覆盖，补充）
   ============================================================ */
.templates { padding: 5rem 1.5rem; max-width: 1200px; margin: 0 auto; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 800; text-align: center; margin-bottom: 0.5rem; color: var(--text-main); }
.section-desc { text-align: center; color: var(--text-muted); font-size: 1.05rem; margin-bottom: 3rem; }
.template-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }
.template-card { display: block; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform var(--transition-normal), box-shadow var(--transition-normal); }
.template-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.template-preview { height: 170px; display: flex; align-items: center; justify-content: center; font-size: 3.6rem; }
.template-info { padding: 1.25rem; }
.template-info h3 { font-size: 1.12rem; font-weight: 700; margin: 0 0 0.5rem; color: var(--text-main); }
.template-info p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.55; margin: 0 0 0.75rem; }
.template-badge { display: inline-block; padding: 0.2rem 0.7rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }

.sites { padding: 5rem 1.5rem; background: var(--bg-card); border-top: 1px solid var(--border-color); }
.sites-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1.5rem; max-width: 1200px; margin: 0 auto; }
.site-card { background: var(--bg-muted); border-radius: var(--radius-xl); padding: 1.5rem; border: 1px solid var(--border-color); transition: border-color var(--transition-fast), background var(--transition-fast); }
.site-card:hover { border-color: var(--brand-primary); background: var(--bg-card); }
.site-card h3 { font-size: 1.12rem; font-weight: 700; margin: 0 0 0.5rem; color: var(--text-main); }
.site-card .domain { color: var(--brand-primary); font-size: 0.88rem; margin-bottom: 0.75rem; }
.site-meta { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; font-size: 0.82rem; color: var(--text-muted); }
.site-status { padding: 0.15rem 0.6rem; border-radius: 999px; font-size: 0.75rem; background: rgba(16,185,129,0.14); color: var(--color-success); }