/* roulang page: index */
:root {
            --bg-deep: #111317;
            --bg-card: #181B21;
            --bg-surface: #222630;
            --bg-light: #F3F5F9;
            --bg-light-card: #FFFFFF;
            --accent-cyan: #00E599;
            --accent-cyan-hover: #00C885;
            --accent-orange: #FF5722;
            --accent-orange-hover: #E64A19;
            --text-pure: #FFFFFF;
            --text-light: #F8FAFC;
            --text-muted: #94A3B8;
            --text-dark: #0F172A;
            --text-dark-muted: #475569;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: rgba(15, 23, 42, 0.08);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.25);
            --shadow-orange: 0 4px 18px rgba(255, 87, 34, 0.35);
        }

        /* 基础样式 Reset 与排版 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            background-color: var(--bg-deep);
            color: var(--text-light);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover, a:focus {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 杂志刊头双行导航 */
        .masthead-wrapper {
            position: sticky;
            top: 0;
            z-index: 999;
            background-color: rgba(17, 19, 23, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            width: 100%;
        }
        .masthead-top {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .masthead-brand {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-pure);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .masthead-brand span {
            color: var(--accent-cyan);
            font-size: 0.9rem;
            font-weight: 600;
            padding: 2px 8px;
            background: rgba(0, 229, 153, 0.12);
            border: 1px solid rgba(0, 229, 153, 0.3);
            border-radius: var(--radius-sm);
        }
        .masthead-meta {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .meta-tag {
            padding: 2px 10px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.02);
            font-family: monospace;
        }
        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-cyan);
        }
        .status-dot {
            width: 8px;
            height: 8px;
            background-color: var(--accent-cyan);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 8px var(--accent-cyan);
            animation: pulseDot 2s infinite ease-in-out;
        }
        @keyframes pulseDot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.85); }
        }

        .masthead-subnav {
            padding: 8px 0;
        }
        .channel-list {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .channel-item {
            display: inline-flex;
            align-items: center;
        }
        .channel-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-muted);
            padding: 6px 10px;
            transition: color 0.2s ease;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .channel-link:hover {
            color: var(--accent-cyan);
        }
        .channel-divider {
            color: rgba(255, 255, 255, 0.15);
            font-size: 0.75rem;
            margin: 0 2px;
            user-select: none;
        }
        .btn-masthead-cta {
            background-color: var(--accent-cyan);
            color: #05140E !important;
            font-weight: 700;
            font-size: 0.82rem;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
        }
        .btn-masthead-cta:hover {
            background-color: var(--accent-cyan-hover);
        }

        /* 统一容器与板块分隔 */
        .page-container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 88px 0;
            position: relative;
        }
        .section-dark {
            background-color: var(--bg-deep);
            color: var(--text-light);
        }
        .section-light {
            background-color: var(--bg-light);
            color: var(--text-dark);
        }
        .section-surface {
            background-color: var(--bg-card);
            color: var(--text-light);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        /* 标题层级设计 */
        .section-header {
            margin-bottom: 48px;
        }
        .section-header.text-center {
            text-align: center;
        }
        .section-kicker {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }
        .section-light .section-kicker {
            color: #059669;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .section-light .section-title {
            color: var(--text-dark);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 760px;
            line-height: 1.7;
        }
        .section-light .section-subtitle {
            color: var(--text-dark-muted);
        }
        .section-header.text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* 按钮体系 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent-orange);
            color: #FFFFFF !important;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 26px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-orange);
            transition: all 0.25s ease;
        }
        .btn-primary:hover {
            background-color: var(--accent-orange-hover);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: transparent;
            color: var(--text-pure) !important;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan) !important;
            background-color: rgba(0, 229, 153, 0.05);
        }

        /* 板块一：Hero 首屏工业参数 */
        .hero-section {
            padding: 70px 0 60px;
            background: radial-gradient(circle at 85% 20%, rgba(0, 229, 153, 0.08) 0%, transparent 45%),
                        radial-gradient(circle at 15% 80%, rgba(255, 87, 34, 0.05) 0%, transparent 40%),
                        var(--bg-deep);
            border-bottom: 1px solid var(--border-dark);
            position: relative;
        }
        .hero-main-title {
            font-size: 2.85rem;
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -1px;
            margin-bottom: 22px;
            color: var(--text-pure);
        }
        .hero-lead-text {
            font-size: 1.08rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .hero-specs-bar {
            border-top: 1px solid var(--border-dark);
            padding-top: 24px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .spec-item {
            font-family: monospace;
        }
        .spec-key {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: block;
            margin-bottom: 4px;
        }
        .spec-val {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-cyan);
        }
        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-subtle);
        }
        .hero-overlay-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(17, 19, 23, 0.85);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(0, 229, 153, 0.3);
            color: var(--accent-cyan);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            font-family: monospace;
        }

        /* 板块二：KPI 看板指标条 */
        .stats-strip {
            background-color: var(--bg-card);
            border-bottom: 1px solid var(--border-dark);
            padding: 40px 0;
        }
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .kpi-card {
            border-left: 2px solid var(--accent-cyan);
            padding-left: 20px;
        }
        .kpi-num {
            font-size: 2.3rem;
            font-weight: 800;
            line-height: 1.1;
            color: var(--text-pure);
            margin-bottom: 6px;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }
        .kpi-num .unit {
            font-size: 1.1rem;
            color: var(--accent-orange);
            font-weight: 700;
            margin-left: 2px;
        }
        .kpi-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* 通用卡片组件 */
        .grid-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: all 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .grid-card:hover {
            border-color: rgba(0, 229, 153, 0.35);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }
        .card-code {
            font-size: 0.75rem;
            font-family: monospace;
            color: var(--accent-cyan);
            font-weight: 700;
            margin-bottom: 12px;
            display: block;
        }
        .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-pure);
            line-height: 1.35;
        }
        .card-text {
            font-size: 0.94rem;
            color: var(--text-muted);
            line-height: 1.65;
            flex-grow: 1;
        }

        /* 浅色板块卡片体系 */
        .section-light .grid-card {
            background-color: var(--bg-light-card);
            border: 1px solid var(--border-light);
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
        }
        .section-light .grid-card:hover {
            border-color: #059669;
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
        }
        .section-light .card-title {
            color: var(--text-dark);
        }
        .section-light .card-text {
            color: var(--text-dark-muted);
        }
        .section-light .card-code {
            color: #059669;
        }

        /* 板块三：品牌引擎底座图文 */
        .engine-feature-list {
            list-style: none;
            margin-top: 24px;
        }
        .engine-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 18px;
            font-size: 0.96rem;
            color: var(--text-muted);
        }
        .feature-icon-badge {
            background: rgba(0, 229, 153, 0.12);
            color: var(--accent-cyan);
            font-weight: 800;
            font-size: 0.8rem;
            padding: 3px 8px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* 板块五：产品矩阵卡片 */
        .product-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: all 0.25s ease;
        }
        .product-card:hover {
            border-color: rgba(0, 229, 153, 0.4);
            transform: translateY(-4px);
        }
        .product-thumb {
            height: 200px;
            width: 100%;
            object-fit: cover;
            border-bottom: 1px solid var(--border-dark);
        }
        .product-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .product-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            background: rgba(255, 87, 34, 0.15);
            color: var(--accent-orange);
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .product-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-pure);
            margin-bottom: 10px;
        }
        .product-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 20px;
            flex-grow: 1;
        }
        .product-specs-list {
            list-style: none;
            border-top: 1px solid var(--border-dark);
            padding-top: 14px;
            margin-bottom: 20px;
        }
        .product-specs-list li {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            justify-content: space-between;
        }
        .product-specs-list li span:last-child {
            color: var(--text-pure);
            font-weight: 600;
        }

        /* 板块六：深色竞技理念拓扑流 */
        .topology-box {
            background-color: var(--bg-surface);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 30px;
            position: relative;
        }
        .topology-step {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 24px;
            position: relative;
        }
        .topology-step:last-child {
            margin-bottom: 0;
        }
        .topology-step:not(:last-child)::after {
            content: "";
            position: absolute;
            left: 17px;
            top: 36px;
            bottom: -16px;
            width: 2px;
            background: rgba(0, 229, 153, 0.2);
        }
        .step-index {
            width: 36px;
            height: 36px;
            background-color: rgba(0, 229, 153, 0.15);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
            z-index: 2;
        }
        .step-content h4 {
            font-size: 1.05rem;
            color: var(--text-pure);
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin: 0;
        }

        /* 板块七：场景演练选项卡/分栏 */
        .scenario-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 24px;
        }
        .scenario-item-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
        }
        .scenario-content {
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .scenario-media {
            position: relative;
            min-height: 280px;
            background-color: #0b0d11;
        }
        .scenario-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scenario-metrics {
            margin-top: 18px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .metric-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            color: var(--accent-cyan);
            font-family: monospace;
        }

        /* 板块八：对比差异表格与卡片 */
        .comparison-table-wrapper {
            background-color: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow-x: auto;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.94rem;
            text-align: left;
        }
        .comparison-table th, 
        .comparison-table td {
            padding: 18px 22px;
            border-bottom: 1px solid var(--border-dark);
        }
        .comparison-table th {
            background-color: var(--bg-surface);
            color: var(--text-pure);
            font-weight: 700;
            font-size: 0.88rem;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tr:hover td {
            background-color: rgba(255, 255, 255, 0.015);
        }
        .col-highlight {
            background-color: rgba(0, 229, 153, 0.03);
            color: var(--accent-cyan);
            font-weight: 600;
            border-left: 1px solid rgba(0, 229, 153, 0.15);
            border-right: 1px solid rgba(0, 229, 153, 0.15);
        }
        .comparison-table th.col-highlight {
            background-color: rgba(0, 229, 153, 0.12);
            color: var(--accent-cyan);
        }
        .col-muted {
            color: var(--text-muted);
        }

        /* 板块九：实战案例与故事 */
        .story-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .story-img {
            height: 220px;
            width: 100%;
            object-fit: cover;
        }
        .story-content {
            padding: 26px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .story-role {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-orange);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .story-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-pure);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .story-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 18px;
            flex-grow: 1;
        }
        .story-kpi {
            background: rgba(0, 229, 153, 0.06);
            border: 1px solid rgba(0, 229, 153, 0.2);
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            color: var(--accent-cyan);
            font-weight: 600;
        }

        /* 板块十：用户口碑评价 */
        .review-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 26px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .review-rating {
            color: #F59E0B;
            font-size: 0.9rem;
            letter-spacing: 2px;
            margin-bottom: 14px;
        }
        .review-quote {
            font-size: 0.94rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .reviewer-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-dark);
            padding-top: 16px;
        }
        .reviewer-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--bg-surface);
            border: 1px solid var(--border-dark);
            object-fit: cover;
        }
        .reviewer-name {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-pure);
        }
        .reviewer-org {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* 板块十一：前沿动态资讯 */
        .news-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 26px;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all 0.25s ease;
        }
        .news-card:hover {
            border-color: rgba(0, 229, 153, 0.35);
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            font-family: monospace;
        }
        .news-tag {
            color: var(--accent-cyan);
            background: rgba(0, 229, 153, 0.1);
            padding: 2px 6px;
            border-radius: var(--radius-sm);
        }
        .news-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-pure);
            line-height: 1.45;
            margin-bottom: 12px;
        }
        .news-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 18px;
            flex-grow: 1;
        }
        .news-anchor-link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 板块十二：常见问答手风琴 */
        .faq-accordion {
            list-style: none;
            margin: 0;
            padding: 0;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            background-color: var(--bg-card);
            overflow: hidden;
        }
        .accordion-item {
            border-bottom: 1px solid var(--border-dark);
        }
        .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-title {
            padding: 20px 24px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-pure);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: background 0.2s ease;
            user-select: none;
        }
        .accordion-title:hover {
            background-color: rgba(255, 255, 255, 0.02);
            color: var(--accent-cyan);
        }
        .accordion-title::after {
            content: "+";
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--accent-cyan);
            transition: transform 0.2s ease;
        }
        .is-active .accordion-title::after {
            content: "−";
        }
        .accordion-content {
            padding: 0 24px 22px 24px;
            font-size: 0.94rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .is-active .accordion-content {
            display: block;
        }

        /* 板块十三：合规保障与留资转化 */
        .contact-box {
            background-color: var(--bg-surface);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 40px;
        }
        .assurance-list {
            list-style: none;
            margin-top: 24px;
        }
        .assurance-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 22px;
        }
        .assurance-badge {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: rgba(0, 229, 153, 0.15);
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .assurance-text h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-pure);
            margin-bottom: 4px;
        }
        .assurance-text p {
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin: 0;
        }

        /* 表单控件定制 */
        .lead-form .form-group {
            margin-bottom: 18px;
        }
        .lead-form label {
            display: block;
            font-size: 0.84rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .lead-form input[type="text"],
        .lead-form input[type="tel"],
        .lead-form select {
            width: 100%;
            height: 46px;
            padding: 0 14px;
            background-color: var(--bg-deep);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            color: var(--text-pure);
            font-size: 0.92rem;
            outline: none;
            transition: border-color 0.2s ease;
        }
        .lead-form input[type="text"]:focus,
        .lead-form input[type="tel"]:focus,
        .lead-form select:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 2px rgba(0, 229, 153, 0.2);
        }
        .lead-form select {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 14px center;
            background-size: 16px;
        }
        .form-policy-note {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 12px;
            line-height: 1.5;
        }

        /* 浮动常驻转化条 */
        .floating-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 990;
            background-color: rgba(17, 19, 23, 0.92);
            backdrop-filter: blur(14px);
            border-top: 1px solid rgba(0, 229, 153, 0.25);
            padding: 12px 0;
            transform: translateY(100%);
            transition: transform 0.35s ease;
        }
        .floating-bar.is-visible {
            transform: translateY(0);
        }
        .floating-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .floating-text {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .floating-title {
            font-size: 0.96rem;
            font-weight: 700;
            color: var(--text-pure);
        }
        .floating-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* 页脚区域 */
        .site-footer {
            background-color: #0b0d10;
            border-top: 1px solid var(--border-dark);
            padding: 60px 0 30px;
            color: var(--text-muted);
            font-size: 0.88rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-pure);
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.65;
            margin-bottom: 20px;
            max-width: 380px;
        }
        .footer-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-nav-list li {
            margin-bottom: 8px;
        }
        .footer-nav-list a {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-nav-list a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid var(--border-dark);
            font-size: 0.78rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-legal a {
            color: var(--text-muted);
            margin-left: 14px;
        }
        .footer-legal a:hover {
            color: var(--text-pure);
        }

        /* 响应式断点控制 */
        @media (max-width: 1024px) {
            .channel-list {
                gap: 8px;
            }
            .hero-specs-bar, .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-item-inner {
                grid-template-columns: 1fr;
            }
            .scenario-media {
                min-height: 220px;
            }
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 60px 0;
            }
            .hero-main-title {
                font-size: 2.1rem;
            }
            .section-title {
                font-size: 1.75rem;
            }
            .masthead-meta {
                display: none;
            }
            .masthead-subnav {
                overflow-x: auto;
                white-space: nowrap;
                -webkit-overflow-scrolling: touch;
            }
            .channel-list {
                flex-wrap: nowrap;
            }
            .floating-desc {
                display: none;
            }
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            .hero-specs-bar {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-legal a {
                margin-left: 0;
                margin-right: 14px;
            }
        }