:root {
            --wba18-primary: #3d5afe;
            --wba18-bg: #050505;
            --wba18-surface: #121212;
            --wba18-text: #ffffff;
            --wba18-text-dim: #a0a0a0;
            --wba18-accent: #00f2ff;
            --wba18-border: rgba(255, 255, 255, 0.1);
            --wba18-radius: 16px;
            --wba18-font-clamp: clamp(1rem, 1.5vw + 0.2rem, 1.25rem);
        }

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

        body {
            background-color: var(--wba18-bg);
            color: var(--wba18-text);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            line-height: 1.6;
            word-break: break-word;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .wba18-header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(5, 5, 5, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--wba18-border);
        }

        .wba18-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

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

        .wba18-logo img {
            height: 32px;
            width: auto;
            border-radius: 4px;
        }

        .wba18-nav-list {
            display: flex;
            list-style: none;
            gap: 24px;
            flex-wrap: wrap;
            min-width: 0;
        }

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

        .wba18-nav-item a:hover,
        .wba18-nav-item a.active {
            color: var(--wba18-text);
        }

        .wba18-nav-item a.active {
            border-bottom: 2px solid var(--wba18-primary);
            padding-bottom: 4px;
        }

        /* Hero 区域 */
        .wba18-hero {
            padding: 160px 24px 96px;
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .wba18-hero-tag {
            background: linear-gradient(90deg, var(--wba18-primary), var(--wba18-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 16px;
        }

        .wba18-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            word-break: keep-all;
            max-width: 1000px;
        }

        .wba18-hero-subtitle {
            font-size: var(--wba18-font-clamp);
            color: var(--wba18-text-dim);
            max-width: 800px;
            margin-bottom: 48px;
        }

        /* 下载卡片区域 */
        .wba18-download-section {
            padding: 0 24px 96px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .wba18-download-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            min-width: 0;
        }

        .wba18-download-card {
            background: var(--wba18-surface);
            border: 1px solid var(--wba18-border);
            border-radius: var(--wba18-radius);
            padding: 40px;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease, border-color 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .wba18-download-card:hover {
            transform: translateY(-8px);
            border-color: var(--wba18-primary);
        }

        .wba18-download-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 24px;
        }

        .wba18-platform-name {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .wba18-platform-desc {
            color: var(--wba18-text-dim);
            font-size: 15px;
            margin-bottom: 32px;
            flex-grow: 1;
        }

        .wba18-download-btn {
            display: inline-block;
            background: var(--wba18-primary);
            color: white;
            text-align: center;
            padding: 16px 32px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: background 0.3s ease;
        }

        .wba18-download-btn:hover {
            background: #2a4aff;
        }

        /* 系统要求部分 */
        .wba18-info-section {
            background: #0a0a0a;
            padding: 96px 24px;
            border-top: 1px solid var(--wba18-border);
        }

        .wba18-info-container {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
        }

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

        .wba18-info-title {
            font-size: 32px;
            margin-bottom: 24px;
            font-weight: 700;
        }

        .wba18-spec-list {
            list-style: none;
        }

        .wba18-spec-item {
            display: flex;
            padding: 16px 0;
            border-bottom: 1px solid var(--wba18-border);
        }

        .wba18-spec-label {
            width: 120px;
            color: var(--wba18-text-dim);
            font-weight: 500;
        }

        .wba18-spec-value {
            flex: 1;
        }

        /* 动态内容区 - 新闻资讯 */
        .wba18-dynamic-section {
            padding: 96px 24px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .wba18-section-header {
            margin-bottom: 48px;
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 24px;
        }

        .wba18-article-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .wba18-article-card {
            background: transparent;
            border-left: 2px solid var(--wba18-border);
            padding: 24px;
            transition: border-color 0.3s ease;
        }

        .wba18-article-card:hover {
            border-color: var(--wba18-accent);
        }

        .wba18-article-date {
            font-size: 13px;
            color: var(--wba18-accent);
            margin-bottom: 8px;
            display: block;
        }

        .wba18-article-title {
            font-size: 18px;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        /* 页脚 */
        .wba18-footer {
            padding: 80px 24px;
            border-top: 1px solid var(--wba18-border);
            background: #050505;
        }

        .wba18-footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 48px;
        }

        .wba18-footer-brand {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .wba18-footer-links {
            display: flex;
            gap: 64px;
            flex-wrap: wrap;
        }

        .wba18-footer-group-title {
            color: var(--wba18-text);
            font-weight: 600;
            margin-bottom: 24px;
            font-size: 16px;
        }

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

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

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

        .wba18-footer-list a:hover {
            color: var(--wba18-primary);
        }

        .wba18-copyright {
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid var(--wba18-border);
            color: var(--wba18-text-dim);
            font-size: 13px;
            text-align: center;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .wba18-nav-list {
                display: none; /* 简化移动端，实际开发中可添加汉堡菜单 */
            }
            .wba18-hero {
                padding: 120px 24px 64px;
            }
            .wba18-hero-title {
                font-size: 2.5rem;
            }
            .wba18-download-grid {
                grid-template-columns: 1fr;
            }
            .wba18-footer-links {
                gap: 32px;
            }
        }