:root {
            --ogazro-primary: #007aff;
            --ogazro-primary-dark: #0056b3;
            --ogazro-accent: #5856d6;
            --ogazro-bg: #f5f7fa;
            --ogazro-text: #1d1d1f;
            --ogazro-text-muted: #86868b;
            --ogazro-white: #ffffff;
            --ogazro-card-shadow: 0 8px 30px rgba(0,0,0,0.04);
            --ogazro-radius: 16px;
            --ogazro-max-width: 1320px;
        }

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

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

        /* 布局基础 */
        .ogazro-container {
            max-width: var(--ogazro-max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .ogazro-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .ogazro-flex-child {
            min-width: 0;
        }

        /* 导航栏 */
        .ogazro-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .ogazro-nav-content {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .ogazro-logo {
            flex-shrink: 0;
        }

        .ogazro-logo img {
            height: 32px;
            width: auto;
            display: block;
        }

        .ogazro-menu {
            display: flex;
            list-style: none;
            gap: 24px;
        }

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

        .ogazro-menu a:hover, .ogazro-menu a.active {
            color: var(--ogazro-primary);
        }

        /* Hero 区 - 独特流体布局 */
        .ogazro-hero {
            padding: 160px 0 80px;
            background: radial-gradient(circle at 90% 10%, rgba(0, 122, 255, 0.05) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(88, 86, 214, 0.05) 0%, transparent 40%);
            text-align: center;
        }

        .ogazro-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0, 122, 255, 0.1);
            color: var(--ogazro-primary);
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .ogazro-hero h1 {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.1;
            margin-bottom: 24px;
            color: #111;
            word-break: break-word;
        }

        .ogazro-hero p {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--ogazro-text-muted);
            max-width: 800px;
            margin: 0 auto 48px;
            word-break: break-word;
        }

        .ogazro-download-panel {
            background: var(--ogazro-white);
            border-radius: 24px;
            padding: 40px;
            box-shadow: 0 20px 50px rgba(0,0,0,0.06);
            max-width: 1000px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 32px;
            border: 1px solid rgba(255,255,255,0.8);
        }

        .ogazro-download-main {
            flex: 1;
            min-width: 300px;
            text-align: left;
        }

        .ogazro-download-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 18px 40px;
            background: var(--ogazro-primary);
            color: var(--ogazro-white);
            text-decoration: none;
            border-radius: 14px;
            font-size: 18px;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 10px 20px rgba(0, 122, 255, 0.2);
        }

        .ogazro-download-btn:hover {
            transform: translateY(-3px);
            background: var(--ogazro-primary-dark);
            box-shadow: 0 15px 30px rgba(0, 122, 255, 0.3);
        }

        .ogazro-meta-info {
            display: flex;
            gap: 24px;
            margin-top: 16px;
            font-size: 13px;
            color: var(--ogazro-text-muted);
        }

        /* 核心特性 - 瀑布流/网格布局 */
        .ogazro-section {
            padding: 96px 0;
        }

        .ogazro-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .ogazro-feature-card {
            background: var(--ogazro-white);
            padding: 48px;
            border-radius: var(--ogazro-radius);
            box-shadow: var(--ogazro-card-shadow);
            transition: transform 0.3s ease;
            height: 100%;
            border: 1px solid rgba(0,0,0,0.02);
        }

        .ogazro-feature-card:hover {
            transform: translateY(-8px);
        }

        .ogazro-icon-placeholder {
            width: 56px;
            height: 56px;
            background: var(--ogazro-bg);
            border-radius: 12px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ogazro-primary);
            font-size: 24px;
            font-weight: bold;
        }

        .ogazro-feature-card h3 {
            font-size: 22px;
            margin-bottom: 16px;
            color: #111;
        }

        .ogazro-feature-card p {
            color: var(--ogazro-text-muted);
            line-height: 1.7;
        }

        /* 深度解析 - 错落布局 */
        .ogazro-split {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 80px;
        }

        .ogazro-split-content {
            flex: 1;
            min-width: 320px;
        }

        .ogazro-split-visual {
            flex: 1;
            min-width: 320px;
            background: linear-gradient(135deg, #007aff 0%, #5856d6 100%);
            height: 400px;
            border-radius: 32px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 80px;
            opacity: 0.9;
        }

        .ogazro-split h2 {
            font-size: 36px;
            margin-bottom: 24px;
            line-height: 1.2;
        }

        .ogazro-list {
            list-style: none;
            margin-top: 32px;
        }

        .ogazro-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 16px;
            font-weight: 500;
        }

        .ogazro-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--ogazro-primary);
            font-weight: bold;
        }

        /* 动态内容 */
        .ogazro-dynamic-section {
            background: #fff;
            border-radius: 40px;
            padding: 80px 48px;
            margin: 40px 0;
        }

        .ogazro-section-header {
            margin-bottom: 48px;
            text-align: center;
        }

        .ogazro-article-card {
            border-bottom: 1px solid #eee;
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: padding 0.3s;
        }

        .ogazro-article-card:hover {
            padding-left: 12px;
            padding-right: 12px;
            background: rgba(0,122,255,0.02);
        }

        .ogazro-article-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--ogazro-text);
            text-decoration: none;
        }

        .ogazro-article-date {
            color: var(--ogazro-text-muted);
            font-size: 14px;
        }

        /* 页脚 */
        .ogazro-footer {
            background: #111;
            color: #fff;
            padding: 96px 0 48px;
        }

        .ogazro-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 64px;
            margin-bottom: 64px;
        }

        .ogazro-footer-brand h2 {
            font-size: 24px;
            margin-bottom: 24px;
            color: var(--ogazro-white);
        }

        .ogazro-footer-brand p {
            color: #888;
            max-width: 300px;
        }

        .ogazro-footer-column h4 {
            margin-bottom: 24px;
            font-size: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #fff;
        }

        .ogazro-footer-column ul {
            list-style: none;
        }

        .ogazro-footer-column li {
            margin-bottom: 12px;
        }

        .ogazro-footer-column a {
            color: #888;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .ogazro-footer-column a:hover {
            color: var(--ogazro-primary);
        }

        .ogazro-copyright {
            border-top: 1px solid #222;
            padding-top: 32px;
            text-align: center;
            color: #555;
            font-size: 14px;
        }

        /* 移动端适配 */
        @media (max-width: 1024px) {
            .ogazro-footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .ogazro-menu {
                display: none; /* 简化演示，实际可增加汉堡菜单 */
            }
            .ogazro-hero h1 {
                font-size: 3rem;
            }
            .ogazro-download-panel {
                padding: 24px;
                text-align: center;
            }
            .ogazro-download-main {
                text-align: center;
            }
            .ogazro-meta-info {
                justify-content: center;
            }
            .ogazro-footer-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .ogazro-split-visual {
                height: 250px;
            }
        }