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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: #0a0a0c;
            color: #e8e8ed;
            line-height: 1.5;
            overflow-x: hidden;
        }

        /* 自定义滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #1c1c20;
        }
        ::-webkit-scrollbar-thumb {
            background: #3a3a42;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #4a4a55;
        }

        /* 平滑滚动 */
        html {
            scroll-behavior: smooth;
        }

        /* 容器 */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* 导航栏 */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(10, 10, 12, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 1000;
            padding: 16px 0;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, #89DB7F, #00854D);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: white;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.3px;
            background: linear-gradient(135deg, #ffffff, #a0a0b0);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
        }
        .nav-links a {
            color: #b0b0c0;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: color 0.2s;
        }
        .nav-links a:hover {
            color: #89DB7F;
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            padding: 8px 20px;
            border-radius: 100px;
            color: white;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.2s;
        }
        .btn-outline-light:hover {
            border-color: #89DB7F;
            color: #89DB7F;
            background: rgba(137, 219, 127, 0.05);
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            font-size: 24px;
            cursor: pointer;
            color: #e0e0e8;
        }

        /* Hero 区域 */
        .hero {
            padding-top: 120px;
            padding-bottom: 80px;
            background: radial-gradient(ellipse at 30% 40%, rgba(0,133,77,0.15), transparent 50%);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-badge {
            background: rgba(137,219,127,0.12);
            border: 1px solid rgba(137,219,127,0.3);
            border-radius: 100px;
            padding: 6px 14px;
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: #89DB7F;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 56px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -1.5px;
            background: linear-gradient(135deg, #ffffff, #c0c0e0);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 24px;
        }
        .hero p {
            font-size: 18px;
            color: #a0a0b0;
            margin-bottom: 32px;
            max-width: 90%;
        }
        .btn-primary {
            background: linear-gradient(135deg, #89DB7F, #00854D);
            border: none;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 16px;
            color: white;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 14px rgba(0,133,77,0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0,133,77,0.4);
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 48px;
        }
        .stat {
            display: flex;
            flex-direction: column;
        }
        .stat-number {
            font-size: 28px;
            font-weight: 800;
            color: #89DB7F;
        }
        .hero-image img {
            width: 100%;
            max-width: 480px;
            border-radius: 32px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }

        /* 通用章节样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255,255,255,0.04);
        }
        .section-title {
            font-size: 40px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ffffff, #c0c0e0);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .section-sub {
            text-align: center;
            color: #9090a0;
            max-width: 600px;
            margin: 0 auto 48px;
            font-size: 18px;
        }

        /* 功能卡片网格 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
            margin-top: 20px;
        }
        .feature-card {
            background: rgba(28, 28, 34, 0.7);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 28px;
            padding: 32px 28px;
            transition: all 0.3s;
        }
        .feature-card:hover {
            border-color: rgba(137,219,127,0.3);
            transform: translateY(-6px);
            background: rgba(32, 32, 38, 0.8);
        }
        .feature-icon {
            font-size: 36px;
            margin-bottom: 20px;
            color: #89DB7F;
        }
        .feature-card h3 {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .feature-card p {
            color: #a0a0b0;
            font-size: 15px;
            line-height: 1.5;
        }

        /* 安全 / 双栏布局 */
        .split-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .security-list {
            list-style: none;
            margin-top: 28px;
        }
        .security-list li {
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            color: #d0d0dc;
        }
        .security-list i {
            color: #89DB7F;
            font-size: 18px;
            width: 24px;
        }
        .img-placeholder {
            background: linear-gradient(145deg, #1e1e24, #141418);
            border-radius: 32px;
            padding: 20px;
            text-align: center;
            border: 1px solid rgba(255,255,255,0.08);
        }
        .img-placeholder img {
            max-width: 100%;
            border-radius: 24px;
            box-shadow: 0 12px 24px rgba(0,0,0,0.3);
        }

        /* 生态合作伙伴 */
        .partners {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 48px;
            margin-top: 40px;
            opacity: 0.7;
        }
        .partner-logo {
            font-size: 24px;
            font-weight: 600;
            color: #6a6a7a;
            letter-spacing: 1px;
        }

        /* FAQ 简易折叠 */
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: rgba(24, 24, 28, 0.6);
            border-radius: 20px;
            padding: 20px 24px;
            margin-bottom: 16px;
            border: 1px solid rgba(255,255,255,0.04);
            cursor: pointer;
            transition: all 0.2s;
        }
        .faq-question {
            font-weight: 600;
            font-size: 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            color: #a0a0b0;
            padding-top: 0;
            font-size: 15px;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding-top: 16px;
        }
        .faq-icon {
            transition: transform 0.2s;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        /* CTA 区域 */
        .cta {
            text-align: center;
            background: linear-gradient(135deg, rgba(0,133,77,0.1), rgba(137,219,127,0.05));
            border-radius: 48px;
            margin: 40px auto;
            padding: 64px 40px;
            border: 1px solid rgba(137,219,127,0.2);
        }
        .cta h2 {
            font-size: 36px;
            margin-bottom: 20px;
        }
        .cta .btn-primary {
            margin-top: 16px;
        }

        /* 页脚 */
        footer {
            padding: 60px 0 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer-grid {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
        }
        .footer-col p {
            color: #6a6a7a;
            margin-top: 12px;
            font-size: 14px;
        }
        .footer-links {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: #a0a0b0;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: #89DB7F;
        }
        .copyright {
            text-align: center;
            padding-top: 48px;
            color: #5a5a6a;
            font-size: 13px;
        }
        @media (max-width: 900px) {
            .container {
                padding: 0 24px;
            }
            .hero h1 {
                font-size: 40px;
            }
            .hero-grid, .split-section {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                background: #0f0f12;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                padding: 32px;
                gap: 24px;
                border-bottom: 1px solid #2a2a30;
            }
            .nav-links.show {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .section-title {
                font-size: 32px;
            }
        }
        @media (max-width: 600px) {
            .hero h1 {
                font-size: 32px;
            }
            .hero-stats {
                flex-wrap: wrap;
            }
        }
        
        
        .logo-img {
    height: 32px;    /* 和导航栏高度适配 */
    width: auto;     /* 保持原有比例 */
    margin-right: 8px; /* 可选：和文字拉开距离 */
}