/* index.html 页面专属样式（原内联 <style> 抽出，CSP 禁用内联样式） */
/* ── GEO 组件：事实速览 / 要点 / 术语 / 六步 / 清单 / 问答 / 口径说明 ── */
      .brand img,
      .site-footer img {
        height: auto;
      }

      .section-heading h2,
      .about-layout h2,
      .contact-copy h2 {
        white-space: normal;
      }

      .skip-link {
        position: absolute;
        left: -9999px;
        top: 0;
        z-index: 200;
        padding: 10px 16px;
        border-radius: 0 0 8px 0;
        color: #fff;
        background: var(--brand);
      }
      .skip-link:focus {
        left: 0;
      }

      /* 首屏实体定义句 */
      .hero-def {
        max-width: 720px;
        margin: 22px 0 0;
        padding: 18px 20px;
        border-left: 3px solid var(--brand);
        border-radius: 0 8px 8px 0;
        color: #2f4b66;
        font-size: 17px;
        line-height: 1.85;
        background: rgba(255, 255, 255, 0.78);
      }

      /* 企业事实速览 */
      .facts-layout {
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: 28px;
        align-items: start;
      }
      .facts-table {
        margin: 0;
        overflow: hidden;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #fff;
        box-shadow: 0 12px 28px rgba(18, 66, 112, 0.07);
      }
      .facts-table .row {
        display: grid;
        grid-template-columns: 148px 1fr;
        gap: 16px;
        padding: 14px 18px;
        border-top: 1px solid #eef4fa;
      }
      .facts-table .row:first-child {
        border-top: 0;
        background: #f7fbff;
      }
      .facts-table dt {
        margin: 0;
        color: var(--muted);
        font-size: 14px;
        font-weight: 700;
      }
      .facts-table dd {
        margin: 0;
        color: #16324c;
        font-size: 15px;
      }
      .facts-note {
        margin: 0;
        color: #74869a;
        font-size: 13px;
        line-height: 1.7;
        grid-column: 1;
        grid-row: 2;
      }
      .facts-table {
        grid-column: 1;
        grid-row: 1;
      }
      .takeaway {
        grid-column: 2;
        grid-row: 1 / span 2;
      }
      .takeaway {
        padding: 26px 28px;
        border: 1px solid #d6e9f8;
        border-radius: 8px;
        background: linear-gradient(180deg, #f7fbff, #ffffff);
      }
      .takeaway h3 {
        margin: 0 0 14px;
        font-size: 19px;
      }
      .takeaway ul {
        margin: 0;
        padding: 0;
        list-style: none;
      }
      .takeaway li {
        position: relative;
        margin: 0 0 12px;
        padding-left: 16px;
        color: #3f5b75;
        font-size: 15px;
      }
      .takeaway li:last-child {
        margin-bottom: 0;
      }
      .takeaway li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 10px;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--accent);
      }
      .takeaway strong {
        color: #16324c;
      }
      .takeaway a {
        color: var(--brand);
        font-weight: 700;
        text-decoration: underline;
        text-underline-offset: 3px;
      }

      /* 术语速查 */
      .glossary {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 18px;
        margin: 0;
      }
      .glossary > div {
        padding: 22px 24px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #fff;
        box-shadow: 0 12px 28px rgba(18, 66, 112, 0.06);
      }
      .glossary dt {
        margin: 0 0 8px;
        color: #12395e;
        font-size: 18px;
        font-weight: 800;
      }
      .glossary dd {
        margin: 0;
        color: var(--muted);
        font-size: 15px;
      }

      /* 平台主体卡 + 两种交付场景 */
      .platform-card {
        padding: 34px;
        border: 1px solid rgba(255, 255, 255, 0.26);
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.14);
        backdrop-filter: blur(12px);
      }
      .pc-head {
        display: grid;
        grid-template-columns: 0.95fr 1.05fr;
        gap: 30px;
        align-items: start;
      }
      .pc-tag {
        display: inline-block;
        padding: 4px 10px;
        border-radius: 999px;
        color: #0a1628;
        font-size: 12px;
        font-weight: 800;
        background: var(--warning);
      }
      .platform-card h3 {
        margin: 12px 0 8px;
        font-size: 30px;
        line-height: 1.3;
      }
      .pc-lead {
        margin: 0;
        color: #ffffff;
        font-size: 16px;
        font-weight: 700;
      }
      .pc-desc {
        margin: 0;
        color: rgba(255, 255, 255, 0.86);
        font-size: 15px;
      }
      .pc-caps {
        margin: 24px 0 0;
        padding: 20px 0 0;
        list-style: none;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px 26px;
        border-top: 1px solid rgba(255, 255, 255, 0.18);
      }
      .pc-caps li {
        position: relative;
        padding-left: 20px;
        color: rgba(255, 255, 255, 0.86);
        font-size: 15px;
      }
      .pc-caps li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 10px;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--accent);
      }
      .pc-caps b {
        color: #ffffff;
      }
      .scene-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px;
        margin-top: 22px;
      }

      /* 双产品卡 */
      .dual-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px;
      }
      .dual-card {
        display: flex;
        flex-direction: column;
        padding: 32px;
        border: 1px solid rgba(255, 255, 255, 0.24);
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.12);
        backdrop-filter: blur(12px);
        transition: transform 0.35s ease, background 0.35s ease;
      }
      .dual-card:hover {
        transform: translateY(-6px);
        background: rgba(255, 255, 255, 0.2);
      }
      .dual-card .tag {
        align-self: flex-start;
        padding: 4px 10px;
        border-radius: 999px;
        color: #0a1628;
        font-size: 12px;
        font-weight: 800;
        background: var(--warning);
      }
      .dual-card h3 {
        margin: 14px 0 6px;
        font-size: 27px;
        line-height: 1.3;
      }
      .dual-card .lead {
        margin: 0 0 18px;
        color: rgba(255, 255, 255, 0.92);
        font-size: 16px;
        font-weight: 700;
      }
      .dual-card ul {
        margin: 0;
        padding: 0;
        list-style: none;
        border-top: 1px solid rgba(255, 255, 255, 0.18);
      }
      .dual-card li {
        position: relative;
        padding: 12px 0 12px 22px;
        color: rgba(255, 255, 255, 0.86);
        font-size: 15px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
      }
      .dual-card li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 21px;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--accent);
      }
      .dual-card .dual-link {
        margin-top: auto;
        padding-top: 20px;
        color: #ffffff;
        font-weight: 800;
        text-decoration: underline;
        text-underline-offset: 4px;
      }

      /* 存量项目 */
      .legacy-head {
        margin: 40px 0 16px;
        display: flex;
        flex-wrap: wrap;
        align-items: baseline;
        gap: 12px;
        color: rgba(255, 255, 255, 0.9);
      }
      .legacy-head b {
        font-size: 17px;
      }
      .legacy-head span {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.7);
      }
      .legacy-grid {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 16px;
      }
      .legacy-grid article {
        padding: 20px 22px;
        border: 1px dashed rgba(255, 255, 255, 0.28);
        border-radius: 8px;
        background: rgba(9, 30, 52, 0.22);
      }
      .legacy-grid em {
        display: inline-block;
        margin-bottom: 8px;
        color: rgba(255, 255, 255, 0.62);
        font-size: 12px;
        font-style: normal;
        letter-spacing: 0.04em;
      }
      .legacy-grid h4 {
        margin: 0 0 8px;
        color: #ffffff;
        font-size: 18px;
      }
      .legacy-grid p {
        margin: 0;
        color: rgba(255, 255, 255, 0.76);
        font-size: 14px;
      }

      /* 六步闭环 */
      .steps {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 18px;
        margin: 0;
        padding: 0;
        list-style: none;
        counter-reset: step;
      }
      .steps li {
        position: relative;
        padding: 26px 26px 24px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #fff;
        box-shadow: 0 12px 28px rgba(18, 66, 112, 0.07);
      }
      .steps b {
        display: block;
        color: var(--brand-2);
        font-size: 15px;
        font-weight: 800;
        letter-spacing: 0.06em;
      }
      .steps h3 {
        margin: 8px 0 8px;
        font-size: 21px;
      }
      .steps p {
        margin: 0;
        color: var(--muted);
        font-size: 15px;
      }

      /* 资质文字清单 */
      .cert-lists {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 18px;
        margin-top: 26px;
      }
      .cert-lists > div {
        padding: 22px 24px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #fff;
      }
      .cert-lists h3 {
        margin: 0 0 10px;
        font-size: 17px;
      }
      .cert-lists ul {
        margin: 0;
        padding-left: 18px;
        color: var(--muted);
        font-size: 14px;
      }
      .cert-lists li {
        margin-bottom: 6px;
      }

      /* FAQ */
      .faq-list {
        display: grid;
        gap: 12px;
        max-width: 980px;
      }
      .faq-list details {
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #fff;
        box-shadow: 0 8px 22px rgba(18, 66, 112, 0.05);
      }
      .faq-list summary {
        position: relative;
        padding: 18px 52px 18px 22px;
        color: #12395e;
        font-size: 17px;
        font-weight: 700;
        cursor: pointer;
        list-style: none;
      }
      .faq-list summary::-webkit-details-marker {
        display: none;
      }
      .faq-list summary::after {
        content: "+";
        position: absolute;
        right: 22px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--brand);
        font-size: 24px;
        font-weight: 400;
        line-height: 1;
      }
      .faq-list details[open] summary::after {
        content: "–";
      }
      .faq-list .answer {
        padding: 0 22px 22px;
        color: var(--muted);
        font-size: 15px;
      }
      .faq-list .answer p {
        margin: 0 0 10px;
      }
      .faq-list .answer p:last-child {
        margin-bottom: 0;
      }
      .faq-more {
        margin-top: 20px;
        color: var(--muted);
        font-size: 15px;
      }
      .faq-more a {
        color: var(--brand);
        font-weight: 800;
        text-decoration: underline;
        text-underline-offset: 3px;
      }

      /* 口径与合规说明 */
      .notice {
        padding: 30px 32px;
        border: 1px solid #f0dfc0;
        border-radius: 8px;
        background: #fffaf1;
      }
      .notice h2 {
        margin: 0 0 14px;
        font-size: 24px;
      }
      .notice ul {
        margin: 0;
        padding-left: 20px;
        color: #6b5330;
        font-size: 15px;
      }
      .notice li {
        margin-bottom: 10px;
      }
      .notice li:last-child {
        margin-bottom: 0;
      }
      .notice a {
        color: #8a5a12;
        font-weight: 700;
        text-decoration: underline;
        text-underline-offset: 3px;
      }

      /* 内链区 */
      .related-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px;
      }
      .related-grid a {
        display: block;
        padding: 20px 22px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #fff;
        transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
      }
      .related-grid a:hover {
        transform: translateY(-4px);
        border-color: #b7d8f4;
        box-shadow: 0 18px 40px rgba(18, 66, 112, 0.12);
      }
      .related-grid b {
        display: block;
        color: #12395e;
        font-size: 16px;
      }
      .related-grid span {
        display: block;
        margin-top: 6px;
        color: var(--muted);
        font-size: 14px;
      }

      /* 页脚 NAP */
      .footer-nap {
        margin: 0;
        color: rgba(255, 255, 255, 0.92);
        font-size: 14px;
        line-height: 1.9;
      }
      .footer-nap strong {
        color: #ffffff;
      }
      .footer-city {
        margin-top: 10px;
        color: rgba(255, 255, 255, 0.86);
        font-size: 14px;
      }

      @media (max-width: 1024px) {
        .facts-layout,
        .dual-grid,
        .scene-grid,
        .cert-lists,
        .related-grid,
        .steps,
        .glossary {
          grid-template-columns: 1fr 1fr;
        }
        .facts-table,
        .takeaway,
        .facts-note {
          grid-column: auto;
          grid-row: auto;
        }
        .pc-head {
          grid-template-columns: 1fr;
          gap: 18px;
        }
        .legacy-grid {
          grid-template-columns: 1fr 1fr;
        }
      }

      @media (max-width: 760px) {
        .facts-layout,
        .dual-grid,
        .scene-grid,
        .cert-lists,
        .related-grid,
        .steps,
        .glossary,
        .legacy-grid,
        .pc-caps {
          grid-template-columns: 1fr;
        }
        .facts-table .row {
          grid-template-columns: 1fr;
          gap: 4px;
        }
        .hero-def {
          font-size: 15px;
        }
        .dual-card,
        .notice {
          padding: 22px;
        }
      }
    
      /* ══════════════════════════════════════════════════════════════
         卡片悬浮交互层
         统一语言：轻微抬升 + 阴影加深 + 边框转品牌色 + 顶部光条扫入
         只在有指针设备时生效；触屏 / 减少动效偏好自动降级
         ══════════════════════════════════════════════════════════════ */
      :root {
        --hover-lift: -6px;
        --hover-shadow: 0 24px 52px rgba(18, 66, 112, 0.16);
        --hover-line: #b7d8f4;
        --hover-ease: cubic-bezier(0.2, 0.7, 0.3, 1);
      }

      /* ① 需要悬浮反馈的卡片：统一过渡 */
      .glossary > div,
      .steps li,
      .cert-lists > div,
      .takeaway,
      .contact-form,
      .platform-card,
      .dual-card,
      .legacy-grid article {
        transition: transform 0.3s var(--hover-ease), box-shadow 0.3s ease,
          border-color 0.3s ease, background 0.3s ease;
      }

      /* ② 光条容器定位 */
      .glossary > div,
      .steps li,
      .cert-lists > div {
        position: relative;
        overflow: hidden;
      }

      /* ③ 顶部光条：从左向右扫入 */
      .glossary > div::before,
      .steps li::before,
      .cert-lists > div::before,
      .dual-card::before {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        height: 3px;
        border-radius: 8px 8px 0 0;
        background: linear-gradient(90deg, var(--brand), var(--accent));
        transform: scaleX(0);
        transform-origin: left center;
        transition: transform 0.38s var(--hover-ease);
        pointer-events: none;
        z-index: 2;
      }

      .glossary > div:hover,
      .steps li:hover,
      .cert-lists > div:hover {
        transform: translateY(var(--hover-lift));
        border-color: var(--hover-line);
        box-shadow: var(--hover-shadow);
      }
      .glossary > div:hover::before,
      .steps li:hover::before,
      .cert-lists > div:hover::before,
      .dual-card:hover::before {
        transform: scaleX(1);
      }

      /* ④ 卡片内文字跟随：标题 / 序号转品牌色，序号字距拉开 */
      .glossary dt,
      .steps b,
      .steps h3,
      .cert-lists h3,
      .legacy-grid h4,
      .faq-list summary {
        transition: color 0.28s ease, letter-spacing 0.28s ease;
      }
      .glossary > div:hover dt,
      .steps li:hover b,
      .steps li:hover h3,
      .cert-lists > div:hover h3 {
        color: var(--brand);
      }
      .steps li:hover b {
        letter-spacing: 0.14em;
      }

      /* ⑤ 事实速览：整行高亮 + 左侧竖条 */
      .facts-table .row {
        position: relative;
        transition: background 0.25s ease;
      }
      .facts-table .row::before {
        content: "";
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 3px;
        background: linear-gradient(180deg, var(--brand), var(--accent));
        transform: scaleY(0);
        transform-origin: top center;
        transition: transform 0.28s var(--hover-ease);
      }
      .facts-table .row:hover {
        background: #f2f9ff;
      }
      .facts-table .row:hover::before {
        transform: scaleY(1);
      }

      /* ⑥ 结论卡 / 联系表单：轻微抬升 */
      .takeaway:hover,
      .contact-form:hover {
        transform: translateY(-4px);
        border-color: var(--hover-line);
        box-shadow: 0 22px 48px rgba(18, 66, 112, 0.13);
      }

      /* ⑦ 平台主体卡（深底玻璃）：提亮 + 光晕 */
      .platform-card:hover {
        transform: translateY(-3px);
        background: rgba(255, 255, 255, 0.19);
        border-color: rgba(255, 255, 255, 0.45);
        box-shadow: 0 28px 60px rgba(3, 20, 40, 0.3);
      }

      /* ⑧ 交付场景卡（深底玻璃）：抬升 + 光条 + 链接变色 */
      .dual-card {
        overflow: hidden;
      }
      .dual-card:hover {
        transform: translateY(-6px);
        background: rgba(255, 255, 255, 0.2);
        border-color: rgba(255, 255, 255, 0.42);
        box-shadow: 0 26px 56px rgba(3, 20, 40, 0.28);
      }
      .dual-link {
        transition: color 0.25s ease, letter-spacing 0.25s ease;
      }
      .dual-card:hover .dual-link {
        color: #7fe0d0;
        letter-spacing: 0.02em;
      }

      /* ⑨ 存量项目卡（虚线 → 实线 + 提亮） */
      .legacy-grid article {
        position: relative;
        overflow: hidden;
      }
      .legacy-grid article:hover {
        transform: translateY(-5px);
        background: rgba(255, 255, 255, 0.13);
        border-style: solid;
        border-color: rgba(255, 255, 255, 0.5);
        box-shadow: 0 20px 44px rgba(0, 0, 0, 0.28);
      }
      .legacy-grid article:hover h4 {
        color: #7fe0d0;
      }

      /* ⑩ 常见问题：边框点亮，展开态保持高亮 */
      .faq-list details {
        transition: border-color 0.28s ease, box-shadow 0.28s ease, background 0.28s ease;
      }
      .faq-list details:hover {
        border-color: var(--hover-line);
        background: #fcfdff;
        box-shadow: 0 16px 36px rgba(18, 66, 112, 0.12);
      }
      .faq-list details:hover summary {
        color: var(--brand);
      }
      .faq-list details[open] {
        border-color: var(--hover-line);
        box-shadow: 0 16px 36px rgba(18, 66, 112, 0.1);
      }

      /* ⑪ 视觉区卡片补一道顶部光条（原有抬升保留） */
      .solution-card,
      .case-card,
      .video-card {
        position: relative;
      }
      .solution-card::before,
      .case-card::before,
      .video-card::before {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--brand), var(--accent));
        transform: scaleX(0);
        transform-origin: left center;
        transition: transform 0.38s var(--hover-ease);
        pointer-events: none;
        z-index: 2;
      }
      .solution-card:hover::before,
      .case-card:hover::before,
      .video-card:hover::before {
        transform: scaleX(1);
      }

      /* ⑫ 降级：无指针设备不位移；减少动效偏好关闭过渡 */
      @media (hover: none) {
        .glossary > div:hover,
        .steps li:hover,
        .cert-lists > div:hover,
        .takeaway:hover,
        .contact-form:hover,
        .platform-card:hover,
        .dual-card:hover,
        .legacy-grid article:hover {
          transform: none;
        }
      }
      @media (prefers-reduced-motion: reduce) {
        .glossary > div,
        .steps li,
        .cert-lists > div,
        .takeaway,
        .contact-form,
        .platform-card,
        .dual-card,
        .legacy-grid article,
        .facts-table .row,
        .faq-list details,
        .solution-card,
        .case-card,
        .video-card,
        .glossary dt,
        .steps b,
        .steps h3,
        .cert-lists h3,
        .legacy-grid h4,
        .faq-list summary,
        .dual-link {
          transition: none !important;
        }
        .glossary > div::before,
        .steps li::before,
        .cert-lists > div::before,
        .dual-card::before,
        .facts-table .row::before,
        .solution-card::before,
        .case-card::before,
        .video-card::before {
          transition: none !important;
        }
        .glossary > div:hover,
        .steps li:hover,
        .cert-lists > div:hover,
        .takeaway:hover,
        .contact-form:hover,
        .platform-card:hover,
        .dual-card:hover,
        .legacy-grid article:hover {
          transform: none !important;
        }
      }

* { -webkit-user-drag: none !important; }