/* === 3. Hero 区域 === */
        .page-hero {
            position: relative; height: 50vh; min-height: 400px;
            display: flex; align-items: center; justify-content: center;
            text-align: center; color: white; overflow: hidden;
            background: #222;
        }
        .hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.6; }
        .page-hero .container { position: relative; z-index: 1; padding-top: 60px; }
        .hero-breadcrumb { font-size: 14px; color: rgba(255,255,255,0.7); margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px; }
        .page-hero h1 { font-size: clamp(40px, 5vw, 64px); margin-bottom: 24px; font-weight: 800; letter-spacing: -1px; }
        .page-hero p { font-size: 20px; color: rgba(255,255,255,0.9); max-width: 800px; margin: 0 auto; }

        /* === 4. 公司简介 (About Us) === */
        .about-section { padding: 100px 0; background: #fff; }
        .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
        
        .about-text { min-width: 0; }
        .about-text h2 { font-size: 32px; font-weight: 800; margin-bottom: 24px; position: relative; }
        .about-text h2::after { content: ''; display: block; width: 60px; height: 4px; background: var(--primary-color); margin-top: 15px; }
        .about-text p { font-size: 16px; color: var(--text-light); margin-bottom: 20px; text-align: justify; line-height: 1.8; }
        
        /* 数据统计条 */
        .stats-bar {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
            margin-top: 40px; padding-top: 40px; border-top: 1px solid #eee;
        }
        .stat-item strong { display: block; font-size: 36px; color: var(--primary-color); font-weight: 800; margin-bottom: 5px; }
        .stat-item span { font-size: 13px; color: var(--text-light); text-transform: uppercase; letter-spacing: 1px; }

        .about-img-box {
            position: relative; height: 500px; border-radius: var(--radius-unified); overflow: hidden;
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
        }
        .about-tag {
            position: absolute; bottom: 30px; left: 30px;
            background: rgba(255,255,255,0.95); padding: 20px;
            border-radius: var(--radius-unified); backdrop-filter: blur(10px);
            max-width: 300px; box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        .about-tag p { font-size: 14px; margin: 0; color: var(--text-main); font-weight: 600; }

        /* === 5. 运营网络 === */
        .network-section {
            position: relative; padding: 100px 0; background: var(--dark-bg); color: white;
            overflow: hidden;
        }
        .network-section::before {
            content: ""; position: absolute; inset: 0; pointer-events: none;
            background:
                linear-gradient(120deg, rgba(255,183,0,0.05), transparent 38%),
                radial-gradient(circle at 82% 30%, rgba(90,113,143,0.12), transparent 34%);
        }
        .network-header { text-align: center; margin-bottom: 48px; position: relative; z-index: 2; }
        .network-eyebrow {
            display: inline-block; margin-bottom: 12px; color: var(--primary-color);
            font-size: 11px; font-weight: 800; letter-spacing: 0.22em;
        }
        .network-header h2 { font-size: 32px; margin-bottom: 16px; }
        .network-header p { color: rgba(255,255,255,0.6); }

        .network-layout {
            position: relative; z-index: 1; display: grid;
            grid-template-columns: minmax(0, 1fr) 380px; gap: 24px; align-items: stretch;
        }
        .network-visual,
        .core-panel {
            min-width: 0; overflow: hidden; margin: 0;
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-unified); background: #0d141f;
        }
        .network-visual { display: flex; flex-direction: column; }
        .network-visual-heading {
            display: flex; align-items: flex-end; justify-content: space-between;
            gap: 20px; padding: 22px 24px 18px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .network-visual-heading span,
        .core-panel-heading > span {
            color: var(--primary-color); font-size: 10px; font-weight: 800;
            letter-spacing: 0.2em;
        }
        .network-visual-heading h3 { margin-top: 5px; font-size: 20px; }
        .network-visual-heading > strong {
            color: rgba(255,255,255,0.13); font-size: 44px; line-height: 0.9;
            font-weight: 800; letter-spacing: -0.05em;
        }
        .network-diagram {
            width: 100%; height: auto; min-height: 0; flex: 1;
            object-fit: contain; background: #0b111b;
        }
        .network-caption {
            display: flex; align-items: center; justify-content: space-between;
            gap: 18px; min-height: 58px; padding: 12px 18px;
            border-top: 1px solid rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.42); font-size: 10px; line-height: 1.5;
        }
        .network-legend { display: flex; flex-shrink: 0; gap: 18px; }
        .network-legend > span { display: inline-flex; align-items: center; gap: 7px; }
        .network-legend i { display: block; width: 9px; height: 9px; border-radius: 50%; }
        .legend-core {
            background: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(255,183,0,0.16);
        }
        .legend-office { border: 1px solid #9badc4; background: #dce4ee; }

        .core-panel { display: flex; flex-direction: column; }
        .core-panel-heading {
            padding: 24px; border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .core-panel-heading h3 { margin-top: 8px; font-size: 22px; }
        .core-panel-heading p {
            margin-top: 5px; color: rgba(255,255,255,0.46); font-size: 12px;
        }
        .core-card {
            position: relative; display: flex; flex: 1; flex-direction: column;
            padding: 24px; border-bottom: 1px solid rgba(255,255,255,0.08);
            background: linear-gradient(135deg, rgba(255,183,0,0.05), transparent 58%);
        }
        .core-card:last-child { border-bottom: 0; }
        .core-card::before {
            content: ""; position: absolute; top: 24px; bottom: 24px; left: 0;
            width: 3px; background: var(--primary-color);
        }
        .core-card-topline {
            display: flex; align-items: center; justify-content: space-between; gap: 12px;
        }
        .core-role {
            color: var(--primary-color); font-size: 10px; font-weight: 800;
            letter-spacing: 0.14em;
        }
        .core-code {
            color: rgba(255,255,255,0.3); font-size: 9px; letter-spacing: 0.16em;
        }
        .core-card h4 { margin: 8px 0 10px; font-size: 28px; line-height: 1.2; }
        .core-card address {
            min-height: 48px; color: rgba(255,255,255,0.68);
            font-size: 13px; font-style: normal; line-height: 1.7;
        }
        .core-contact {
            display: flex; align-items: center; justify-content: space-between;
            gap: 12px; margin-top: auto; padding-top: 16px;
            border-top: 1px solid rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.48); font-size: 11px;
        }
        .core-contact strong { color: white; font-size: 13px; letter-spacing: 0.04em; }
        .core-contact:hover strong { color: var(--primary-color); }
        .core-contact:focus-visible {
            outline: 2px solid var(--primary-color); outline-offset: 4px;
        }

        /* === 6. 人员信息 (Team Grid) === */
        .team-section { padding: 100px 0; background: #f9fafb; }
        .team-grid {
            display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
        }
        .team-card {
            background: white; border-radius: var(--radius-unified); overflow: hidden;
            padding: 40px 30px; text-align: center;
            border: 1px solid #eee; transition: 0.3s;
            position: relative;
        }
        .team-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); border-color: var(--primary-color); }

        .avatar-box {
            width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 20px;
            overflow: hidden; border: 4px solid #f5f5f5;
            display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, #fff8e1, #f0b429);
            color: #3f3200;
        }
        .avatar-initial { font-size: 44px; font-weight: 700; line-height: 1; }
        .team-name { font-size: 20px; font-weight: 700; margin-bottom: 5px; }
        .team-role { font-size: 14px; color: var(--text-light); margin-bottom: 15px; font-weight: 500; }
        .role-tag {
            display: inline-block; padding: 4px 12px; background: #fff8e1;
            color: var(--primary-color); font-size: 12px; border-radius: 4px;
            font-weight: 600; margin-bottom: 20px;
        }
        
        /* 联系方式覆盖层 (Hover显示) */
        .contact-overlay {
            margin-top: 20px; padding-top: 20px; border-top: 1px solid #eee;
            opacity: 0.6; transition: 0.3s;
        }
        .team-card:hover .contact-overlay { opacity: 1; }
        .contact-item { font-size: 13px; color: #555; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; gap: 8px; }
        .qr-code-mini { width: 20px; height: 20px; vertical-align: middle; }

        /* === 7. 资质荣誉 (Responsive Grid & Checkerboard) === */
        .cert-section { padding: 100px 0; background: white; }
        
        /* 棋盘格容器 (类似于 Logo Wall) */
        .cert-checkerboard {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            border: 1px solid #eee;
            border-radius: var(--radius-unified);
            overflow: hidden;
            background: white;
        }

        /* 证书格子 (正方形) */
        .cert-cell {
            aspect-ratio: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 30px; /* 留白 */
            position: relative;
            opacity: 0; /* 用于动画 */
            transform-style: preserve-3d;
            perspective: 1000px;
            text-decoration: none; /* 如果是链接 */
            color: inherit;
        }

        /* 翻牌动画 */
        .cert-cell.animate-flip {
            animation: flipInX 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
        }

        /* 明暗背景 */
        .cert-cell.bg-light { background-color: #ffffff; }
        .cert-cell.bg-dark { background-color: #f9f9f9; }

        /* 证书内容容器 */
        .cert-content-wrapper {
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 15px; /* 图片和标题的间距 */
        }

        /* 证书图片 */
        .cert-img {
            width: 100%;
            height: auto;
            max-height: 80%; /* 留出空间给标题 */
            object-fit: contain;
            /* 给图片加一点阴影，像纸张一样 */
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            transition: transform 0.3s;
            background: rgba(255, 255, 255, 0); /* 防止png透明底显得奇怪 */
        }

        /* 标题 */
        .cert-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            text-align: center;
            line-height: 1.4;
            max-height: 2.8em; /* 限制高度，防止溢出 */
            overflow: hidden;
        }

        /* 悬停效果 */
        .cert-cell:hover {
            z-index: 2;
            box-shadow: 0 0 30px rgba(0,0,0,0.1);
            background-color: #fff; /* 悬停高亮 */
        }
        .cert-cell:hover .cert-img {
            transform: scale(1.05);
        }
        .cert-cell:hover .cert-title {
            color: var(--primary-color);
        }

        /* === 8. 软件著作权：工业知识产权档案墙 === */
        .copyright-section {
            position: relative;
            padding: 120px 0;
            overflow: hidden;
            color: #f7f9fc;
            background:
                radial-gradient(circle at 84% 8%, rgba(26, 168, 183, 0.14), transparent 30%),
                linear-gradient(135deg, #07101d 0%, #0b1525 55%, #08111f 100%);
        }
        .copyright-section::before {
            content: '';
            position: absolute;
            inset: 0;
            pointer-events: none;
            opacity: 0.45;
            background-image:
                linear-gradient(rgba(106, 151, 181, 0.08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(106, 151, 181, 0.08) 1px, transparent 1px);
            background-size: 40px 40px;
            mask-image: linear-gradient(to bottom, black, transparent 88%);
        }
        .copyright-section .container { position: relative; z-index: 1; }
        .copyright-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 72px;
            padding-bottom: 46px;
            margin-bottom: 64px;
            border-bottom: 1px solid rgba(142, 173, 196, 0.22);
        }
        .copyright-header > div:first-child { max-width: 760px; }
        .copyright-eyebrow {
            display: block;
            margin-bottom: 16px;
            color: #74d8df;
            font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.18em;
        }
        .copyright-header h2 {
            margin: 0 0 18px;
            color: #fff;
            font-size: clamp(38px, 5vw, 64px);
            line-height: 1;
            letter-spacing: -0.04em;
        }
        .copyright-header p {
            margin: 0;
            color: rgba(226, 235, 243, 0.7);
            font-size: 16px;
            line-height: 1.8;
        }
        .copyright-summary {
            display: flex;
            align-items: center;
            gap: 18px;
            min-width: 230px;
            padding-left: 24px;
            border-left: 3px solid var(--primary-color);
        }
        .copyright-summary strong {
            color: var(--primary-color);
            font-size: 68px;
            line-height: 0.85;
            letter-spacing: -0.06em;
        }
        .copyright-summary span {
            color: rgba(226, 235, 243, 0.72);
            font-size: 12px;
            font-weight: 700;
            line-height: 1.6;
            letter-spacing: 0.08em;
        }
        .copyright-year {
            display: grid;
            grid-template-columns: 116px minmax(0, 1fr);
            gap: 32px;
            padding: 0 0 72px;
        }
        .copyright-year:last-child { padding-bottom: 0; }
        .copyright-year__rail {
            position: sticky;
            top: 108px;
            align-self: start;
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding-top: 4px;
        }
        .copyright-year__rail::after {
            content: '';
            width: 1px;
            height: 76px;
            margin: 6px 0 0 7px;
            background: linear-gradient(to bottom, var(--primary-color), transparent);
        }
        .copyright-year__mark {
            color: #fff;
            font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.05em;
        }
        .copyright-year__rail h3 {
            margin: 0;
            color: rgba(226, 235, 243, 0.52);
            font-size: 11px;
            font-weight: 600;
            line-height: 1.5;
        }
        .copyright-year__count {
            width: max-content;
            padding: 5px 8px;
            color: #74d8df;
            border: 1px solid rgba(116, 216, 223, 0.32);
            font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
            font-size: 10px;
            letter-spacing: 0.08em;
        }
        .copyright-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 16px;
        }
        .copyright-card {
            min-width: 0;
            overflow: hidden;
            color: inherit;
            text-decoration: none;
            border: 1px solid rgba(142, 173, 196, 0.2);
            background: rgba(13, 24, 40, 0.88);
            transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
        }
        .copyright-card__image {
            display: block;
            aspect-ratio: 3 / 4;
            padding: 14px;
            overflow: hidden;
            border-bottom: 1px solid rgba(142, 173, 196, 0.18);
            background: #e9edf0;
        }
        .copyright-card__image img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: contain;
            filter: saturate(0.88) contrast(1.02);
            transition: transform 0.3s ease;
        }
        .copyright-card__body {
            display: flex;
            flex-direction: column;
            min-height: 152px;
            padding: 18px;
        }
        .copyright-card__type {
            margin-bottom: 12px;
            color: #74d8df;
            font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
            font-size: 9px;
            font-weight: 700;
            letter-spacing: 0.12em;
        }
        .copyright-card__body strong {
            display: -webkit-box;
            min-height: 3.2em;
            overflow: hidden;
            color: #f7f9fc;
            font-size: 15px;
            line-height: 1.6;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
        }
        /* === 资质与软著：统一工业极简档案体系 === */
        .cert-section,
        .copyright-section {
            position: relative;
            overflow: hidden;
            color: var(--text-main);
        }
        .cert-section {
            padding: 100px 0;
            border-bottom: 1px solid #e4e7eb;
            background: #fff;
        }
        .copyright-section {
            padding: 100px 0;
            background: #f9fafb;
        }
        .cert-section::before,
        .copyright-section::before {
            content: '';
            position: absolute;
            inset: 0;
            pointer-events: none;
            display: none;
        }
        .cert-section .container,
        .copyright-section .container {
            position: relative;
            z-index: 1;
        }
        .credentials-header,
        .copyright-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 56px;
            margin: 0 0 48px;
            padding: 0 0 30px;
            border-bottom: 1px solid #dfe3e8;
        }
        .credentials-header > div:first-child,
        .copyright-header > div:first-child { max-width: 760px; }
        .credentials-eyebrow,
        .copyright-eyebrow {
            display: block;
            margin-bottom: 14px;
            color: #966600;
            font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
            font-size: 10px;
            font-weight: 700;
            letter-spacing: 0.2em;
        }
        .credentials-header h2,
        .copyright-header h2 {
            margin: 0 0 14px;
            color: var(--text-main);
            font-size: clamp(34px, 4vw, 46px);
            line-height: 1;
            letter-spacing: -0.045em;
        }
        .credentials-header p,
        .copyright-header p {
            margin: 0;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
        }
        .credentials-summary,
        .copyright-summary {
            display: flex;
            align-items: center;
            gap: 16px;
            min-width: 220px;
            padding-left: 22px;
            border-left: 2px solid var(--primary-color);
        }
        .credentials-summary strong,
        .copyright-summary strong {
            color: var(--primary-color);
            font-family: inherit;
            font-size: 54px;
            font-weight: 800;
            line-height: 0.88;
            letter-spacing: -0.06em;
        }
        .credentials-summary span,
        .copyright-summary span {
            color: var(--text-light);
            font-size: 11px;
            font-weight: 700;
            line-height: 1.6;
            letter-spacing: 0.08em;
        }
        .cert-checkerboard {
            width: min(100%, 1020px);
            margin: 0 auto;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 16px;
            overflow: visible;
            border: 0;
            border-radius: 0;
            background: transparent;
        }
        .cert-cell {
            height: 410px;
            aspect-ratio: auto;
            padding: 18px;
            opacity: 1;
            perspective: none;
            transform: none;
            border: 1px solid #e3e6ea;
            background: #f7f8fa;
        }
        .cert-cell.animate-flip { animation: none; }
        .cert-cell.bg-light,
        .cert-cell.bg-dark { background: #f7f8fa; }
        .cert-content-wrapper { gap: 16px; }
        .cert-img {
            width: 100%;
            height: calc(100% - 48px);
            max-height: none;
            padding: 12px;
            object-fit: contain;
            background: rgba(255, 255, 255, 0.72);
            box-shadow: none;
            filter: saturate(0.86) contrast(1.02);
            transition: none;
        }
        .cert-title {
            max-height: none;
            overflow: visible;
            color: var(--text-main);
            font-size: 15px;
            font-weight: 650;
            line-height: 1.45;
        }
        .cert-cell:hover {
            z-index: auto;
            box-shadow: none;
        }
        .cert-cell:hover .cert-img { transform: none; }
        .cert-cell:hover .cert-title { color: var(--text-main); }
        .cert-section {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.08);
            background: var(--dark-bg);
        }
        .cert-section::before {
            display: block;
            opacity: 1;
            background:
                linear-gradient(120deg, rgba(255, 183, 0, 0.05), transparent 38%),
                radial-gradient(circle at 82% 30%, rgba(90, 113, 143, 0.12), transparent 34%);
        }
        .cert-section .credentials-header { border-bottom-color: rgba(255, 255, 255, 0.12); }
        .cert-section .credentials-eyebrow { color: var(--primary-color); }
        .cert-section .credentials-header h2 { color: #fff; }
        .cert-section .credentials-header p,
        .cert-section .credentials-summary span { color: rgba(255, 255, 255, 0.62); }
        .copyright-header { margin-bottom: 48px; }
        .copyright-year { gap: 28px; padding-bottom: 64px; }
        .copyright-year__rail::after {
            height: 64px;
            background: linear-gradient(to bottom, var(--primary-color), transparent);
        }
        .copyright-year__mark { color: var(--text-main); }
        .copyright-year__rail h3 { color: var(--text-light); }
        .copyright-year__count {
            color: #8c6500;
            border-color: rgba(150, 102, 0, 0.32);
        }
        .copyright-grid { gap: 12px; background: transparent; }
        .copyright-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
        }
        .copyright-card {
            display: block;
            min-width: 0;
            overflow: hidden;
            border: 1px solid #e1e5e9;
            color: inherit;
            background: #fff;
            transition: none;
        }
        .copyright-card__image {
            height: 286px;
            aspect-ratio: auto;
            padding: 12px;
            border-bottom: 1px solid rgba(142, 173, 196, 0.2);
            background: rgba(255, 255, 255, 0.72);
        }
        .copyright-card__image img { transition: none; }
        .copyright-card__body { min-height: 116px; padding: 16px; }
        .copyright-card__type { margin-bottom: 10px; color: #8c6500; }
        .copyright-card__body strong { color: var(--text-main); }
        /* Footer (同步) */
        footer { padding: 100px 0 40px; background: white; border-top: 1px solid #eee; }
        .footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 60px; border-bottom: 1px solid #eee; }
        .footer-brand h4 { font-size: 24px; font-weight: 800; margin-bottom: 20px; }
        .footer-col h5 { font-size: 16px; margin-bottom: 24px; color: var(--text-main); }
        .footer-col ul { list-style: none; }
        .footer-col li { margin-bottom: 12px; }
        .footer-col a { color: var(--text-light); font-size: 14px; }
        .footer-col a:hover { color: var(--primary-color); }
        .footer-bottom { padding-top: 40px; display: flex; justify-content: space-between; color: var(--text-light); font-size: 13px; }

        @media (max-width: 1024px) {
            .about-grid { grid-template-columns: 1fr; }
            .network-layout { grid-template-columns: 1fr; }
            .core-panel {
                display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
            }
            .core-panel-heading { grid-column: 1 / -1; }
            .core-card:first-of-type {
                border-right: 1px solid rgba(255,255,255,0.08);
                border-bottom: 0;
            }
            .team-grid { grid-template-columns: repeat(2, 1fr); }
            /* 平板端 2列 */
            .cert-checkerboard { grid-template-columns: repeat(2, 1fr); }
            .cert-cell { height: 380px; }
            .credentials-header,
            .copyright-header { align-items: flex-start; gap: 40px; }
            .copyright-year { grid-template-columns: 1fr; gap: 20px; }
            .copyright-year__rail {
                position: static;
                flex-direction: row;
                align-items: center;
                gap: 16px;
                padding-bottom: 14px;
                border-bottom: 1px solid rgba(142, 173, 196, 0.18);
            }
            .copyright-year__rail::after { display: none; }
            .copyright-year__rail h3 { flex: 1; }
            .copyright-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
            .copyright-card__image { height: 260px; }
            .footer-top { grid-template-columns: 1fr; gap: 40px; }
        }
        @media (max-width: 768px) {
            .stats-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .team-grid { grid-template-columns: 1fr; }
            /* 手机端 1列 */
            .cert-checkerboard { grid-template-columns: 1fr; }
            .cert-cell { height: 390px; }
            .copyright-section { padding: 82px 0; }
            .credentials-header,
            .copyright-header { flex-direction: column; margin-bottom: 48px; }
            .credentials-summary,
            .copyright-summary { min-width: 0; padding-left: 18px; }
            .credentials-summary strong,
            .copyright-summary strong { font-size: 56px; }
            .copyright-year { padding-bottom: 56px; }
            .copyright-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
            .copyright-card__image { height: 210px; padding: 8px; }
            .copyright-card__body { min-height: 124px; padding: 13px; }
            .copyright-card__type { margin-bottom: 8px; font-size: 8px; letter-spacing: 0.08em; }
            .copyright-card__body strong { font-size: 13px; line-height: 1.55; }
            .copyright-card__action { padding-top: 12px; font-size: 10px; }
            .network-section { padding: 76px 0; }
            .network-header { margin-bottom: 32px; text-align: left; }
            .network-header p { line-height: 1.7; }
            .network-visual-heading { padding: 18px; }
            .network-visual-heading > strong { font-size: 36px; }
            .network-caption { align-items: flex-start; flex-direction: column; padding: 14px 16px; }
            .core-panel { display: flex; }
            .core-card:first-of-type {
                border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.08);
            }
            .core-card address { min-height: 0; }
        }

        @media (max-width: 480px) {
            .copyright-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .copyright-card__image { height: 188px; }
        }

        @media (hover: hover) and (pointer: fine) {
            .copyright-card {
                cursor: default;
                transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
            }
            .copyright-card__image img { transition: transform 0.25s ease; }
            .copyright-card:hover {
                transform: translateY(-3px);
                border-color: rgba(240, 180, 41, 0.72);
                background: #fff;
                box-shadow: 0 12px 26px rgba(23, 30, 40, 0.09);
            }
            .copyright-card:hover .copyright-card__image img { transform: scale(1.012); }
        }
        
        /* 翻牌动画定义复用 */
        @keyframes flipInX {
            from { transform: perspective(400px) rotateY(90deg); opacity: 0; }
            to { transform: perspective(400px) rotateY(0deg); opacity: 1; }
        }

        @media (prefers-reduced-motion: reduce) {
            .cert-cell,
            .cert-cell.animate-flip {
                opacity: 1;
                transform: none;
                animation: none;
            }

            .copyright-card,
            .copyright-card__image img { transition: none; }
            .copyright-card:hover,
            .copyright-card:focus-visible { transform: none; }
        }