/* roulang page: index */
:root {
            --primary: #D9381E;
            --primary-hover: #BF2D15;
            --secondary: #F7941D;
            --secondary-light: rgba(247, 148, 29, 0.12);
            --dark-base: #12161A;
            --dark-card: #1B2228;
            --dark-card-border: rgba(255, 255, 255, 0.08);
            --light-base: #F4F6F8;
            --light-card: #FFFFFF;
            --text-heading: #0B0F12;
            --text-body: #333C48;
            --text-muted: #6B7785;
            --border-color: #E2E8F0;
            --radius-sm: 4px;
            --radius-md: 6px;
            --shadow-subtle: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-float: 0 12px 28px rgba(0, 0, 0, 0.12);
            --container-max: 1240px;
            --transition: all 0.25s ease-in-out;
        }

        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
            background-color: var(--light-base);
            color: var(--text-body);
            line-height: 1.65;
            -webkit-text-size-adjust: 100%;
        }

        body {
            overflow-x: hidden;
            background-color: #FFFFFF;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
        }

        .container {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
            width: 100%;
        }

        section {
            padding-top: 80px;
            padding-bottom: 80px;
            position: relative;
            scroll-margin-top: 80px;
        }

        .section-dark {
            background-color: var(--dark-base);
            color: #FFFFFF;
        }

        .section-light-alt {
            background-color: var(--light-base);
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--primary);
            background-color: rgba(217, 56, 30, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border-left: 3px solid var(--primary);
        }

        .section-dark .section-tag {
            color: var(--secondary);
            background-color: rgba(247, 148, 29, 0.15);
            border-left-color: var(--secondary);
        }

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.3rem);
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 820px;
            line-height: 1.7;
        }

        .section-dark .section-desc {
            color: #A0AEC0;
        }

        /* 顶部通栏导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            box-shadow: 0 2px 10px rgba(0,0,0,0.06);
        }

        .top-utility-bar {
            background-color: var(--dark-base);
            color: #94A3B8;
            font-size: 0.82rem;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .top-utility-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-utility-left, .top-utility-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .utility-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #E2E8F0;
        }

        .utility-badge span.dot {
            width: 7px;
            height: 7px;
            background-color: #10B981;
            border-radius: 50%;
            display: inline-block;
        }

        .main-navbar {
            padding: 14px 0;
            background: #FFFFFF;
        }

        .navbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 900;
            font-size: 1.35rem;
            color: var(--text-heading);
            letter-spacing: -0.5px;
        }

        .logo-symbol {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, #A31E09 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-weight: 900;
            font-size: 1.1rem;
            border: 1px solid rgba(255,255,255,0.2);
            box-shadow: 0 4px 8px rgba(217, 56, 30, 0.25);
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 24px;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 6px 0;
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary);
        }

        .nav-cta-btn {
            background-color: var(--primary);
            color: #FFF !important;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary);
            box-shadow: 0 2px 6px rgba(217, 56, 30, 0.3);
        }

        .nav-cta-btn:hover {
            background-color: var(--primary-hover);
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
        }

        .hamburger-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-heading);
            margin: 5px 0;
            transition: var(--transition);
        }

        /* 杂志分栏 Hero 首屏 (蓝图要求) */
        .hero-magazine {
            position: relative;
            background-color: var(--dark-base);
            color: #FFFFFF;
            padding: 70px 0 90px;
            overflow: hidden;
            border-bottom: 4px solid var(--primary);
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(to right, rgba(18, 22, 26, 0.95) 30%, rgba(18, 22, 26, 0.75) 70%, rgba(18, 22, 26, 0.85) 100%), url('/assets/images/bc2ecaff9a214920.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.85;
            z-index: 1;
        }

        .hero-container {
            position: relative;
            z-index: 2;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .hero-left h1 {
            font-size: clamp(2.2rem, 3.8vw, 3.2rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #FFFFFF;
            letter-spacing: -0.5px;
        }

        .hero-left h1 span.highlight {
            color: var(--secondary);
            display: inline-block;
        }

        .hero-lead {
            font-size: 1.12rem;
            color: #CBD5E1;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--primary);
            color: #FFF;
            font-weight: 700;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary);
            box-shadow: 0 4px 14px rgba(217, 56, 30, 0.4);
            cursor: pointer;
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: transparent;
            color: #FFFFFF;
            font-weight: 700;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
        }

        .hero-param-bar {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .param-item h4 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 4px;
            font-feature-settings: "tnum";
        }

        .param-item p {
            font-size: 0.82rem;
            color: #94A3B8;
        }

        /* Hero 右侧精选卡 */
        .hero-featured-card {
            background-color: rgba(27, 34, 40, 0.88);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 24px;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-float);
        }

        .featured-card-tag {
            font-size: 0.75rem;
            background-color: var(--primary);
            color: #FFFFFF;
            padding: 3px 8px;
            border-radius: 2px;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 12px;
        }

        .featured-img-wrap {
            position: relative;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 9;
            border: 1px solid rgba(255,255,255,0.06);
        }

        .featured-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
        }

        .featured-card-spec-list {
            list-style: none;
            margin: 14px 0 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 0.88rem;
            color: #CBD5E1;
        }

        .featured-card-spec-list li {
            display: flex;
            justify-content: space-between;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
            padding-bottom: 4px;
        }

        .featured-card-spec-list span.val {
            color: #FFF;
            font-weight: 600;
        }

        /* 板块二：高危场景痛点与破局 */
        .pain-points-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: stretch;
        }

        .pain-box {
            background-color: #FFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-subtle);
        }

        .pain-box.alert-side {
            border-top: 4px solid #64748B;
        }

        .pain-box.resolve-side {
            background-color: #FAFCFF;
            border-top: 4px solid var(--primary);
        }

        .box-badge {
            font-size: 0.8rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            display: inline-block;
            margin-bottom: 16px;
        }

        .box-badge.gray {
            background: #E2E8F0;
            color: #475569;
        }

        .box-badge.red {
            background: rgba(217, 56, 30, 0.1);
            color: var(--primary);
        }

        .pain-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 20px;
        }

        .pain-item {
            display: flex;
            gap: 12px;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .pain-item .icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 900;
            margin-top: 2px;
        }

        .icon-cross {
            background: #FEE2E2;
            color: #DC2626;
        }

        .icon-check {
            background: #DCFCE7;
            color: #16A34A;
        }

        /* 板块三：品牌与核心产品架构介绍 */
        .brand-intro-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-visual-box {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-float);
        }

        .brand-visual-box img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .std-card-callout {
            position: absolute;
            bottom: 20px;
            right: 20px;
            left: 20px;
            background: rgba(18, 22, 26, 0.92);
            color: #FFF;
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            border-left: 4px solid var(--secondary);
            font-size: 0.9rem;
            backdrop-filter: blur(8px);
        }

        .brand-content p {
            margin-bottom: 18px;
            color: var(--text-body);
            font-size: 1.02rem;
            line-height: 1.8;
        }

        .hard-specs-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 24px;
        }

        .spec-cell {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: var(--radius-sm);
        }

        .spec-cell h5 {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .spec-cell p {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0;
        }

        /* 板块四：六大性能优势网格 */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .adv-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
            position: relative;
        }

        .adv-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-float);
            border-color: var(--primary);
        }

        .adv-num {
            font-size: 1.7rem;
            font-weight: 900;
            color: rgba(217, 56, 30, 0.18);
            position: absolute;
            top: 20px;
            right: 24px;
        }

        .adv-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
        }

        .adv-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 板块五：主力机型展厅 */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .product-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .product-card:hover {
            box-shadow: var(--shadow-float);
            border-color: var(--primary);
        }

        .product-thumb {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .product-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .product-card:hover .product-thumb img {
            transform: scale(1.05);
        }

        .product-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--dark-base);
            color: #FFF;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--primary);
        }

        .product-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .product-body h3 {
            font-size: 1.28rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .product-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .product-spec-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: auto;
            margin-bottom: 20px;
            font-size: 0.88rem;
        }

        .product-spec-table td {
            padding: 8px 0;
            border-bottom: 1px solid #EDF2F7;
        }

        .product-spec-table td.label {
            color: var(--text-muted);
        }

        .product-spec-table td.val {
            text-align: right;
            font-weight: 600;
            color: var(--text-heading);
        }

        .btn-card-action {
            display: block;
            text-align: center;
            background-color: var(--light-base);
            color: var(--text-heading);
            font-weight: 700;
            padding: 10px 0;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .btn-card-action:hover {
            background-color: var(--primary);
            color: #FFF;
            border-color: var(--primary);
        }

        /* 板块六：深色沉浸式案例与处置理念 */
        .timeline-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            position: relative;
            margin-top: 36px;
        }

        .step-card {
            background-color: var(--dark-card);
            border: 1px solid var(--dark-card-border);
            padding: 30px;
            border-radius: var(--radius-md);
            position: relative;
        }

        .step-index {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--secondary);
            background: rgba(247, 148, 29, 0.1);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
        }

        .step-card h3 {
            font-size: 1.25rem;
            color: #FFFFFF;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .step-card p {
            font-size: 0.92rem;
            color: #94A3B8;
            line-height: 1.7;
        }

        /* 板块七：用户故事与指挥官视角 */
        .story-layout {
            display: grid;
            grid-template-columns: 0.95fr 1.05fr;
            gap: 40px;
            align-items: center;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
        }

        .story-img-wrap {
            height: 100%;
            min-height: 380px;
        }

        .story-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .story-content {
            padding: 40px 36px;
        }

        .story-quote-mark {
            font-size: 3rem;
            color: var(--primary);
            line-height: 1;
            font-family: Georgia, serif;
            margin-bottom: -10px;
        }

        .story-content h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .story-content p {
            font-size: 1rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .commander-profile {
            display: flex;
            align-items: center;
            gap: 14px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }

        .avatar-initial {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #FFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
        }

        .commander-meta h4 {
            font-size: 1rem;
            color: var(--text-heading);
            margin-bottom: 2px;
        }

        .commander-meta span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 板块八：关键数据横幅 */
        .stats-counter-strip {
            background-color: var(--dark-card);
            border-top: 1px solid var(--dark-card-border);
            border-bottom: 1px solid var(--dark-card-border);
            padding: 56px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-card h3 {
            font-size: clamp(2.4rem, 4vw, 3.2rem);
            font-weight: 900;
            color: #FFFFFF;
            line-height: 1.1;
            margin-bottom: 8px;
            font-feature-settings: "tnum";
        }

        .stat-card h3 span.unit {
            font-size: 1.25rem;
            color: var(--secondary);
            font-weight: 700;
            margin-left: 2px;
        }

        .stat-card p {
            font-size: 0.95rem;
            color: #94A3B8;
            font-weight: 500;
        }

        /* 板块九：行业客户评价 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            box-shadow: var(--shadow-subtle);
        }

        .review-stars {
            color: #F59E0B;
            font-size: 1.1rem;
            letter-spacing: 2px;
            margin-bottom: 14px;
        }

        .review-text {
            font-size: 0.98rem;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 24px;
        }

        .review-user-info {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid #F1F5F9;
        }

        .review-user-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-heading);
        }

        .review-dept-badge {
            font-size: 0.78rem;
            background-color: var(--secondary-light);
            color: #B45309;
            padding: 3px 8px;
            border-radius: var(--radius-sm);
            font-weight: 600;
        }

        /* 板块十：行业新闻与火场技术资讯 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            display: flex;
            flex-direction: column;
        }

        .news-thumb {
            height: 190px;
            overflow: hidden;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }

        .news-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .news-meta .category {
            color: var(--primary);
            font-weight: 700;
        }

        .news-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
            line-height: 1.45;
        }

        .news-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        /* 板块十一：技术咨询常见问题 FAQ */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        details.faq-item {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        details.faq-item[open] {
            border-color: var(--primary);
            box-shadow: var(--shadow-subtle);
        }

        summary.faq-question {
            padding: 18px 24px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        summary.faq-question::-webkit-details-marker {
            display: none;
        }

        summary.faq-question::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--text-muted);
            transition: var(--transition);
        }

        details.faq-item[open] summary.faq-question::after {
            content: '−';
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.75;
            border-top: 1px solid #F1F5F9;
            padding-top: 14px;
        }

        /* 板块十二：全域调度与选型表单 CTA */
        .cta-dispatch-card {
            background: linear-gradient(135deg, #1B2228 0%, #12161A 100%);
            border-radius: var(--radius-md);
            padding: 50px;
            color: #FFFFFF;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            position: relative;
            box-shadow: var(--shadow-float);
        }

        .dispatch-info h2 {
            font-size: 2.1rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .dispatch-info p {
            color: #CBD5E1;
            font-size: 1.02rem;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .dispatch-checklist {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 0.95rem;
        }

        .dispatch-checklist li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #E2E8F0;
        }

        .dispatch-checklist li::before {
            content: '✓';
            color: var(--secondary);
            font-weight: 900;
        }

        .dispatch-form {
            background: rgba(255, 255, 255, 0.05);
            padding: 30px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            color: #CBD5E1;
            margin-bottom: 6px;
            font-weight: 600;
        }

        .form-control {
            width: 100%;
            padding: 12px 14px;
            background: #FFFFFF;
            border: 1px solid #CBD5E1;
            border-radius: var(--radius-sm);
            color: var(--text-heading);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(217, 56, 30, 0.25);
        }

        .btn-submit-form {
            width: 100%;
            padding: 14px;
            background-color: var(--primary);
            color: #FFF;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 10px;
        }

        .btn-submit-form:hover {
            background-color: var(--primary-hover);
        }

        /* 工业级多列深色页脚 */
        .site-footer {
            background-color: var(--dark-base);
            color: #94A3B8;
            padding: 70px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background-color: var(--primary);
        }

        .footer-brand-title {
            color: #FFFFFF;
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand-desc {
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 0.88rem;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a:hover {
            color: #FFFFFF;
            padding-left: 4px;
        }

        .contact-detail-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 0.88rem;
        }

        .contact-detail-list li strong {
            color: #E2E8F0;
        }

        .footer-bottom-bar {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.82rem;
        }

        /* 响应式断点适配 */
        @media (max-width: 1024px) {
            .hero-grid, .pain-points-grid, .brand-intro-wrap, .story-layout, .cta-dispatch-card {
                grid-template-columns: 1fr;
            }
            .advantages-grid, .products-grid, .timeline-steps, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            section {
                padding-top: 50px;
                padding-bottom: 50px;
            }
            .top-utility-bar {
                display: none;
            }
            .nav-links, .nav-cta-btn {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #FFFFFF;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                border-top: 1px solid var(--border-color);
                align-items: flex-start;
                gap: 16px;
            }
            .hero-param-bar {
                grid-template-columns: 1fr;
            }
            .advantages-grid, .products-grid, .timeline-steps, .reviews-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-dispatch-card {
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom-bar {
                flex-direction: column;
                text-align: center;
            }
        }