:root {
            --wba18-primary: #3d85c6;
            --wba18-accent: #00e5ff;
            --wba18-bg: #0a0a0c;
            --wba18-surface: #16161a;
            --wba18-text: #e0e0e0;
            --wba18-text-dim: #a0a0a0;
            --wba18-border: rgba(255, 255, 255, 0.1);
            --wba18-spacing-unit: 8px;
            --wba18-container-width: 1100px;
        }

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

        body {
            background-color: var(--wba18-bg);
            color: var(--wba18-text);
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            line-height: 1.7;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* 导航栏 */
        .wba18-nav {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 10, 12, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--wba18-border);
        }

        .wba18-nav-container {
            max-width: var(--wba18-container-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .wba18-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .wba18-logo img {
            height: 32px;
            width: auto;
            object-fit: contain;
        }

        .wba18-menu {
            display: flex;
            list-style: none;
            gap: 20px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .wba18-menu a {
            text-decoration: none;
            color: var(--wba18-text-dim);
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

        .wba18-menu a:hover, .wba18-menu a.active {
            color: var(--wba18-accent);
        }

        /* Hero 区域 - 独特布局：状态看板风格 */
        .wba18-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: radial-gradient(circle at 50% 0%, rgba(61, 133, 198, 0.15) 0%, transparent 70%);
            text-align: center;
        }

        .wba18-container {
            max-width: var(--wba18-container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .wba18-status-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 100, 100, 0.1);
            border: 1px solid rgba(255, 100, 100, 0.3);
            color: #ff6464;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 24px;
        }

        .wba18-hero h1 {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            margin-bottom: 24px;
            background: linear-gradient(to bottom, #fff, #a0a0a0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            word-break: keep-all;
        }

        .wba18-hero p {
            font-size: clamp(1rem, 1.2vw + 0.5rem, 1.25rem);
            color: var(--wba18-text-dim);
            max-width: 700px;
            margin: 0 auto 48px;
        }

        /* 故障诊断卡片 */
        .wba18-diagnostic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            margin-bottom: 64px;
        }

        .wba18-card {
            background: var(--wba18-surface);
            border: 1px solid var(--wba18-border);
            border-radius: 16px;
            padding: 32px;
            transition: transform 0.3s ease, border-color 0.3s ease;
            min-width: 0;
        }

        .wba18-card:hover {
            transform: translateY(-5px);
            border-color: var(--wba18-primary);
        }

        .wba18-card-icon {
            width: 48px;
            height: 48px;
            background: rgba(61, 133, 198, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--wba18-accent);
            font-size: 24px;
        }

        .wba18-card h3 {
            margin-bottom: 12px;
            font-size: 20px;
            color: #fff;
        }

        .wba18-card p {
            color: var(--wba18-text-dim);
            font-size: 15px;
        }

        /* 解决步骤 - 图文交替 */
        .wba18-step-section {
            padding: 80px 0;
            border-top: 1px solid var(--wba18-border);
        }

        .wba18-step-item {
            display: flex;
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
            flex-wrap: wrap;
        }

        .wba18-step-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .wba18-step-content {
            flex: 1;
            min-width: 300px;
        }

        .wba18-step-image {
            flex: 1;
            min-width: 300px;
            background: linear-gradient(135deg, #1e1e24 0%, #0a0a0c 100%);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--wba18-border);
            aspect-ratio: 16/10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .wba18-step-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.8;
        }

        .wba18-step-number {
            font-size: 14px;
            font-weight: 800;
            color: var(--wba18-accent);
            text-transform: uppercase;
            margin-bottom: 16px;
            display: block;
        }

        .wba18-step-content h2 {
            font-size: 32px;
            margin-bottom: 20px;
            color: #fff;
        }

        .wba18-code-block {
            background: #000;
            padding: 16px;
            border-radius: 8px;
            font-family: monospace;
            font-size: 14px;
            color: #88ccff;
            margin: 16px 0;
            border-left: 3px solid var(--wba18-primary);
        }

        /* 动态内容区块 */
        .wba18-dynamic-section {
            background: #0f0f12;
            padding: 80px 0;
            border-radius: 40px 40px 0 0;
        }

        .wba18-section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .wba18-section-title h2 {
            font-size: 36px;
            margin-bottom: 16px;
        }

        /* 页脚 */
        .wba18-footer {
            background: #050505;
            padding: 80px 0 40px;
            border-top: 1px solid var(--wba18-border);
        }

        .wba18-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .wba18-footer-brand h4 {
            color: #fff;
            font-size: 20px;
            margin-bottom: 20px;
        }

        .wba18-footer-links h5 {
            color: #fff;
            margin-bottom: 24px;
            font-size: 16px;
        }

        .wba18-footer-links ul {
            list-style: none;
        }

        .wba18-footer-links li {
            margin-bottom: 12px;
        }

        .wba18-footer-links a {
            color: var(--wba18-text-dim);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .wba18-footer-links a:hover {
            color: #fff;
        }

        .wba18-copyright {
            padding-top: 40px;
            border-top: 1px solid var(--wba18-border);
            text-align: center;
            color: var(--wba18-text-dim);
            font-size: 13px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .wba18-nav-container {
                height: auto;
                padding: 16px;
            }
            .wba18-menu {
                margin-top: 16px;
                gap: 12px;
            }
            .wba18-step-item {
                gap: 32px;
            }
            .wba18-hero h1 {
                font-size: 2.5rem;
            }
        }