:root {
    --main-color: #d02e90;
    --bg-color: #282c34;
}

* {
    padding: 0;
    border: 0;
    margin: 0;
    outline: 0;
    box-sizing: border-box;
}
body {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #282c34 50%, #334155 75%, #1a202c 100%);
    position: relative;
    overflow-x: hidden;
}

.wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    position: relative;
    width: 100%;
    height: 100%;
}
.level-1 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    position: relative;

    /* Shapes 背景层 */
    .shapes {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: -1;
    }

    .wrapper {
        flex-direction: column;
    }
    .info {
        flex: 0 0 50%;
        position: relative;
        text-align: right;
        padding-right: 15px;
        .sites {
            color: #fff;
            font-size: 14px;
        }
        .logo {
            padding-right: 107px;
            img {
                height: 160px;
                filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
            }
        }

        .name {
            font-size: 32px;
            font-weight: bold;
            color: #ffffff;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
            margin-top: 10px;
        }
        .author {
            font-size: 18px;
            color: #7dd3fc;
            margin-bottom: 8px;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
        }
        .describe {
            font-size: 16px;
            color: #e2e8f0;
            margin-top: 20px;
            line-height: 1.6;
        }
        .features {
            font-size: 18px;
            color: #fbbf24;
            font-weight: 600;
            margin-bottom: 15px;
        }
    }

    .wrapper-top {
        display: flex;
        position: relative;
    }

    .performance {
        flex: 0 0 50%;
        font-size: 14px;
        color: #f5f5f5;
        position: relative;
        padding-left: 15px;
        .row {
            margin-bottom: 15px;
            &:last-of-type {
                margin-bottom: 0;
            }
        }
        .wrap {
            display: flex;
        }
        .icon {
            width: 30px;
        }
        .img {
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 50px;
            background: linear-gradient(135deg, #37415a 0%, #4a5568 100%);
            margin-right: 10px;
            border-radius: 8px;
            border: 1px solid #64b5f6;
            box-shadow: 0 2px 8px rgba(100, 181, 246, 0.2);
        }
        .img .icon {
            width: 24px;
            height: 24px;
            opacity: 0.9;
            color: #fff;
        }
        .data {
            flex: 1 1 100%;
        }
        .line {
            display: flex;
            align-items: center;
        }
        .line.moonbit {
            .bar {
                background: linear-gradient(90deg, #d02e90 0%, #ff6b9d 100%);
            }
        }
        .name {
            flex: 0 0 80px;
            color: #e8eaf6;
            font-weight: 600;
        }
        .progress {
            flex: 0 0 200px;
            width: 200px;
            height: 14px;
            background: linear-gradient(135deg, #37415a 0%, #2d3748 100%);
            border-radius: 4px;
            border: 1px solid #4a5568;
            overflow: hidden;
        }
        .bar {
            background: linear-gradient(90deg, #c2c2c2 0%, #f1cd78 100%);
            height: 14px;
            border-radius: 4px;
            box-shadow: 0 2px 4px rgba(208, 46, 144, 0.3);
        }
        .value {
            padding-left: 8px;
            word-break: keep-all;
            white-space: nowrap;
            color: #f8f9fa;
            flex: 0 0 120px;
        }
        .tips {
            font-size: 13px;
            color: #b0bec5;
            margin-top: 4px;
            padding-left: 140px;
        }
    }

    /* 按钮容器样式 */
    .btns {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        grid-template-rows: repeat(auto-fill, 1fr);
        gap: 10px;
        margin-top: 40px;
    }

    /* 下载按钮样式 - 简洁设计 */
    .btn {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0px 10px;
        font-size: 14px;
        font-weight: 500;
        color: #ffffff;
        text-decoration: none;
        background: linear-gradient(135deg, #d02e90 0%, #ff6b9d 100%);
        border-radius: 4px;
        box-shadow: 0 2px 5px rgba(208, 46, 144, 0.2);
        cursor: pointer;
        transition: all 0.3s ease;
        height: 40px;
        &:hover {
            background: linear-gradient(135deg, #ff6b9d 0%, #d02e90 100%);
            box-shadow: 0 4px 10px rgba(208, 46, 144, 0.3);
            transform: translateY(-2px);
        }
    }

    /* 响应式设计 */
    @media (max-width: 1200px) {
        .btns {
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            max-width: 800px;
        }
    }

    @media (max-width: 768px) {
        .btns {
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            max-width: 600px;
        }

        .btn {
            padding: 6px 8px;
            min-width: 70px;
        }
        .wrapper-top {
            text-align: center;
            flex-direction: column;
            .info {
                margin-bottom: 50px;
            }
        }
        .info {
            padding-right: 0;
        }
        .performance {
            padding-left: 0;
            .progress {
                flex: 0 0 100px;
            }
        }
    }
}

/* Level-2 下载指南区域样式 */
.level-2 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    position: relative;
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 25%, #1e293b 50%, #374151 75%, #1f2937 100%);

    /* Shapes 背景层 */
    .shapes {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: -1;
    }
    .wrapper {
        flex-direction: column;
        padding: 40px 20px;
    }

    /* 头部标题 */
    .download-header {
        text-align: center;
        margin-bottom: 30px;

        .title {
            font-size: 32px;
            font-weight: bold;
            color: #ffffff;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
            margin-bottom: 8px;
        }

        .subtitle {
            font-size: 16px;
            color: #94a3b8;
        }
    }

    /* Tab 切换器 */
    .tab-switcher {
        display: flex;
        justify-content: center;
        margin-bottom: 25px;
        background: rgba(30, 41, 59, 0.6);
        border-radius: 10px;
        padding: 6px;
        border: 1px solid rgba(100, 181, 246, 0.2);
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }

    .tab-btn {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 6px 36px;
        font-size: 14px;
        font-weight: 600;
        color: #94a3b8;
        background: transparent;
        border: none;
        border-radius: 7px;
        cursor: pointer;
        transition: all 0.3s ease;
        flex: 1;
        justify-content: center;
        white-space: nowrap;
        min-width: 220px;

        .icon {
            font-size: 16px;
            flex-shrink: 0;
        }

        &:hover {
            color: #e2e8f0;
            background: rgba(255, 255, 255, 0.05);
        }

        &.active {
            color: #ffffff;
            background: linear-gradient(135deg, #d02e90 0%, #ff6b9d 100%);
            box-shadow: 0 4px 12px rgba(208, 46, 144, 0.3);
        }
    }

    /* Tab 内容 */
    .tab-content {
        position: relative;
        width: 100%;
    }

    .tab-panel {
        display: none;
        animation: fadeIn 0.3s ease-in-out;
        width: 100%;

        &.active {
            display: block;
        }
    }

    /* 前置要求横幅 */
    .prerequisite-banner {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 20px;
        background: rgba(251, 191, 36, 0.1);
        border: 1px solid rgba(251, 191, 36, 0.3);
        border-radius: 8px;
        margin-bottom: 20px;
        font-size: 14px;
        width: 100%;

        .warning-icon {
            font-size: 18px;
            flex-shrink: 0;
        }

        .warning-content {
            color: #e2e8f0;

            strong {
                color: #fbbf24;
            }

            a {
                color: #7dd3fc;
                text-decoration: none;
                font-weight: 500;

                &:hover {
                    color: #38bdf8;
                    text-decoration: underline;
                }
            }
        }
    }

    /* 平台选择器 */
    .platform-selector {
        display: flex;
        justify-content: center;
        gap: 8px;
        margin-bottom: 20px;
    }

    .platform-tab {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 8px 16px;
        font-size: 13px;
        font-weight: 600;
        color: #94a3b8;
        background: rgba(30, 41, 59, 0.6);
        border: 1px solid rgba(71, 85, 105, 0.3);
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.3s ease;

        .icon {
            font-size: 14px;
        }

        &:hover {
            color: #e2e8f0;
            border-color: rgba(100, 181, 246, 0.5);
        }

        &.active {
            color: #ffffff;
            background: rgba(100, 181, 246, 0.2);
            border-color: #64b5f6;
        }
    }

    .platform-content {
        position: relative;
        width: 100%;
    }

    .platform-panel {
        display: none;
        width: 100%;

        &.active {
            display: block;
        }
    }

    /* 步骤网格布局 - 确保一致宽度 */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        margin-bottom: 20px;
        width: 100%;
    }

    /* 步骤盒子 - 统一尺寸 */
    .step-box {
        background: rgba(30, 41, 59, 0.4);
        border: 1px solid rgba(100, 181, 246, 0.15);
        border-radius: 12px;
        padding: 20px;
        transition: all 0.3s ease;
        display: flex;
        flex-direction: column;
        width: 100%;
        position: relative;

        &:hover {
            border-color: rgba(100, 181, 246, 0.3);
            box-shadow: 0 4px 12px rgba(100, 181, 246, 0.1);
            transform: translateY(-2px);
        }
    }

    .step-header {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 16px;

        .step-number {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #d02e90 0%, #ff6b9d 100%);
            color: #ffffff;
            font-weight: bold;
            font-size: 16px;
            border-radius: 50%;
            box-shadow: 0 2px 8px rgba(208, 46, 144, 0.3);
            flex-shrink: 0;
        }

        h3 {
            font-size: 16px;
            font-weight: 600;
            color: #ffffff;
            line-height: 1.3;
        }
    }

    .step-image {
        position: absolute;
        top: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        display: flex;
        justify-content: center;
        align-items: center;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 50%;

        .icon-placeholder {
            font-size: 24px;
            opacity: 0.8;
        }
    }

    .step-text {
        flex: 1;
        display: flex;
        flex-direction: column;
        margin-top: 8px;
        width: 100%;

        p {
            font-size: 14px;
            color: #cbd5e1;
            line-height: 1.5;
            margin-bottom: 12px;
            flex: 1;

            &:last-child {
                margin-bottom: 0;
            }
        }

        a {
            color: #7dd3fc;
            text-decoration: none;
            font-weight: 500;
            font-size: 13px;

            &:hover {
                color: #38bdf8;
                text-decoration: underline;
            }

            &.download-link {
                display: block;
                width: 100%;
                padding: 8px 12px;
                background: rgba(125, 211, 252, 0.1);
                border: 1px solid rgba(125, 211, 252, 0.3);
                border-radius: 6px;
                text-align: center;
                transition: all 0.3s ease;

                &:hover {
                    background: rgba(125, 211, 252, 0.2);
                    transform: translateY(-1px);
                }
            }
        }

        .tip-text {
            color: #94a3b8;
            font-size: 12px;
            font-style: italic;
            margin-top: 8px;
        }
    }

    /* 代码片段样式 */
    .code-snippet {
        background: rgba(15, 23, 42, 0.8);
        border: 1px solid rgba(71, 85, 105, 0.3);
        border-radius: 6px;
        padding: 12px;
        font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
        position: relative;
        margin-top: auto;
        width: 100%;

        code {
            color: #e2e8f0;
            font-size: 12px;
            display: block;
            margin-bottom: 6px;

            &:last-child {
                margin-bottom: 0;
            }
        }

        span {
            color: #94a3b8;
            font-size: 12px;
            display: block;
            margin-bottom: 4px;

            &:last-child {
                margin-bottom: 0;
            }
        }

        kbd {
            background: rgba(71, 85, 105, 0.5);
            border: 1px solid rgba(100, 116, 139, 0.3);
            border-radius: 3px;
            padding: 2px 6px;
            color: #e2e8f0;
            font-size: 11px;
            font-weight: 500;
            margin-bottom: 4px;
            display: inline-block;
        }

        .copy-btn {
            position: absolute;
            top: 6px;
            right: 6px;
            background: rgba(71, 85, 105, 0.7);
            border: none;
            border-radius: 3px;
            padding: 3px 6px;
            color: #e2e8f0;
            cursor: pointer;
            font-size: 10px;
            transition: all 0.2s ease;

            &:hover {
                background: rgba(100, 116, 139, 0.8);
            }
        }
    }

    .help-space {
        height: 30px;
    }
    /* 帮助区域 */
    .help-section {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 20px;
        background: rgba(37, 99, 235, 0.1);
        border: 1px solid rgba(37, 99, 235, 0.2);
        border-radius: 10px;

        .help-icon {
            font-size: 24px;
            flex-shrink: 0;
        }

        .help-content {
            h4 {
                font-size: 16px;
                font-weight: 600;
                color: #60a5fa;
                margin-bottom: 6px;
            }

            p {
                font-size: 14px;
                color: #e2e8f0;

                a {
                    color: #7dd3fc;
                    text-decoration: none;
                    font-weight: 500;

                    &:hover {
                        color: #38bdf8;
                        text-decoration: underline;
                    }
                }
            }
        }
    }

    /* 二进制验证部分样式 */
    .binary-verification-section {
        margin-top: 40px;
        padding: 25px;
        background: rgba(30, 41, 59, 0.3);
        border: 1px solid rgba(100, 181, 246, 0.2);
        border-radius: 12px;

        .section-title {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            text-align: center;
        }

        .section-description {
            font-size: 14px;
            color: #cbd5e1;
            text-align: center;
            margin-bottom: 25px;
            line-height: 1.6;

            code {
                background: rgba(71, 85, 105, 0.5);
                padding: 2px 6px;
                border-radius: 3px;
                color: #e2e8f0;
                font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
                font-size: 13px;
            }
        }

        .platform-selector {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-bottom: 25px;
            background: rgba(30, 41, 59, 0.6);
            border-radius: 8px;
            padding: 3px;
            border: 1px solid rgba(100, 181, 246, 0.2);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;

            .platform-tab {
                display: flex;
                align-items: center;
                gap: 6px;
                padding: 6px 16px;
                font-size: 13px;
                font-weight: 600;
                color: #94a3b8;
                background: transparent;
                border: none;
                border-radius: 5px;
                cursor: pointer;
                transition: all 0.3s ease;
                flex: 1;
                justify-content: center;
                white-space: nowrap;

                .icon {
                    font-size: 14px;
                    flex-shrink: 0;
                }

                &:hover {
                    color: #e2e8f0;
                    background: rgba(255, 255, 255, 0.05);
                }

                &.active {
                    color: #ffffff;
                    background: linear-gradient(135deg, #d02e90 0%, #ff6b9d 100%);
                    box-shadow: 0 2px 8px rgba(208, 46, 144, 0.3);
                }
            }
        }
    }

    /* 平台链接样式 */
    .platform-links {
        display: flex;
        flex-direction: column;
        gap: 8px;
        margin-top: 12px;

        .download-link {
            display: block;
            width: 100%;
            padding: 8px 12px;
            background: rgba(125, 211, 252, 0.1);
            border: 1px solid rgba(125, 211, 252, 0.3);
            border-radius: 6px;
            text-align: center;
            transition: all 0.3s ease;
            color: #7dd3fc;
            text-decoration: none;
            font-weight: 500;
            font-size: 13px;

            &:hover {
                background: rgba(125, 211, 252, 0.2);
                transform: translateY(-1px);
                color: #38bdf8;
                text-decoration: underline;
            }
        }
    }

    .help-space {
        height: 30px;
    }
    /* 帮助区域 */
    .help-section {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 20px;
        background: rgba(37, 99, 235, 0.1);
        border: 1px solid rgba(37, 99, 235, 0.2);
        border-radius: 10px;

        .help-icon {
            font-size: 24px;
            flex-shrink: 0;
        }

        .help-content {
            h4 {
                font-size: 16px;
                font-weight: 600;
                color: #60a5fa;
                margin-bottom: 6px;
            }

            p {
                font-size: 14px;
                color: #e2e8f0;

                a {
                    color: #7dd3fc;
                    text-decoration: none;
                    font-weight: 500;

                    &:hover {
                        color: #38bdf8;
                        text-decoration: underline;
                    }
                }
            }
        }
    }

    /* 响应式设计 */
    @media (max-width: 1000px) {
        .wrapper {
            max-width: 100%;
            padding: 30px 15px;
        }

        .steps-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .step-box {
        }

        .level-0 {
            .articles-header .title {
                font-size: 2.5rem;
            }

            .article-row {
                grid-template-columns: 1fr;
                gap: 25px;
            }
        }
    }

    @media (max-width: 768px) {
        .wrapper {
            padding: 25px 12px;
        }

        .download-header .title {
            font-size: 26px;
        }

        .tab-switcher {
            flex-direction: column;
            gap: 6px;
            max-width: 300px;
        }

        .tab-btn {
            width: 100%;
            font-size: 13px;
            padding: 8px 16px;
        }

        .steps-grid {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .step-box {
            padding: 16px;
        }

        .step-image {
            top: 16px;
            right: 16px;
            width: 40px;
            height: 40px;

            .icon-placeholder {
                font-size: 20px;
            }
        }

        .step-text {
            padding-right: 50px;
        }

        .platform-selector {
            flex-direction: column;
            gap: 6px;
            max-width: 200px;
            margin-left: auto;
            margin-right: auto;
        }

        .platform-tab {
            justify-content: center;
            width: 100%;
        }

        .level-0 {
            padding: 60px 0;

            .wrapper {
                padding: 20px 15px;
            }

            .articles-header {
                margin-bottom: 40px;

                .title {
                    font-size: 2rem;
                }

                .subtitle {
                    font-size: 1.1rem;
                }
            }
        }
    }
}

/* Level-3 MoonBit 特点展示区域样式 */
.level-3 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    position: relative;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #282c34 50%, #334155 75%, #1a202c 100%);

    /* Shapes 背景层 */
    .shapes {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: -1;
    }

    .wrapper {
        flex-direction: column;
        padding: 40px 20px;
    }

    /* 头部标题 */
    .features-header {
        text-align: center;
        margin-bottom: 50px;

        .title {
            font-size: 36px;
            font-weight: bold;
            color: #ffffff;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
            margin-bottom: 12px;
        }

        .subtitle {
            font-size: 18px;
            color: #94a3b8;
        }
    }

    /* 特点网格布局 */
    .features-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        margin-bottom: 50px;
        width: 100%;
    }

    /* 特点卡片 */
    .feature-card {
        background: rgba(30, 41, 59, 0.4);
        border: 1px solid rgba(100, 181, 246, 0.15);
        border-radius: 16px;
        transition: all 0.3s ease;
        overflow: hidden;
        display: flex;
        flex-direction: column;

        &:hover {
            border-color: rgba(100, 181, 246, 0.3);
            box-shadow: 0 8px 24px rgba(100, 181, 246, 0.15);
            transform: translateY(-4px);
        }

        .feature-content {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;

            h3 {
                font-size: 20px;
                font-weight: 700;
                color: #ffffff;
                margin-bottom: 12px;
                line-height: 1.3;
            }

            p {
                font-size: 14px;
                color: #cbd5e1;
                line-height: 1.6;
                margin-bottom: 16px;
                flex: 1;
            }

            .feature-tags {
                display: flex;
                flex-wrap: wrap;
                gap: 6px;

                .tag {
                    display: inline-block;
                    padding: 4px 8px;
                    background: rgba(208, 46, 144, 0.2);
                    border: 1px solid rgba(208, 46, 144, 0.3);
                    border-radius: 12px;
                    font-size: 11px;
                    font-weight: 500;
                    color: #ff6b9d;
                    white-space: nowrap;
                }
            }
        }
    }

    /* 底部行动召唤区域 */
    .features-footer {
        text-align: center;

        .cta-section {
            padding: 30px;
            background: rgba(30, 41, 59, 0.3);
            border: 1px solid rgba(100, 181, 246, 0.2);
            border-radius: 16px;

            h4 {
                font-size: 22px;
                font-weight: 600;
                color: #ffffff;
                margin-bottom: 20px;
            }

            .cta-buttons {
                display: flex;
                justify-content: center;
                gap: 16px;
                flex-wrap: wrap;

                .cta-btn {
                    display: inline-flex;
                    align-items: center;
                    justify-content: center;
                    padding: 12px 24px;
                    font-size: 14px;
                    font-weight: 600;
                    text-decoration: none;
                    border-radius: 8px;
                    transition: all 0.3s ease;
                    min-width: 120px;

                    &.primary {
                        color: #ffffff;
                        background: linear-gradient(135deg, #d02e90 0%, #ff6b9d 100%);
                        box-shadow: 0 4px 12px rgba(208, 46, 144, 0.3);

                        &:hover {
                            background: linear-gradient(135deg, #ff6b9d 0%, #d02e90 100%);
                            box-shadow: 0 6px 16px rgba(208, 46, 144, 0.4);
                            transform: translateY(-2px);
                        }
                    }

                    &.secondary {
                        color: #7dd3fc;
                        background: rgba(125, 211, 252, 0.1);
                        border: 1px solid rgba(125, 211, 252, 0.3);

                        &:hover {
                            background: rgba(125, 211, 252, 0.2);
                            border-color: rgba(125, 211, 252, 0.5);
                            transform: translateY(-2px);
                        }
                    }
                }
            }
        }
    }

    /* 响应式设计 */
    @media (max-width: 1000px) {
        .wrapper {
            max-width: 100%;
            padding: 30px 15px;
        }

        .features-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
    }

    @media (max-width: 768px) {
        .wrapper {
            padding: 25px 12px;
        }

        .features-header .title {
            font-size: 28px;
        }

        .features-header .subtitle {
            font-size: 16px;
        }

        .features-grid {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .feature-card {
            .feature-content {
                padding: 20px;

                h3 {
                    font-size: 18px;
                }

                p {
                    font-size: 13px;
                }
            }
        }

        .features-footer .cta-section {
            padding: 20px;

            h4 {
                font-size: 18px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
                gap: 12px;

                .cta-btn {
                    width: 100%;
                    max-width: 200px;
                }
            }
        }
    }
}

/* ========================= Level-4 开发路线区域 ========================= */
.level-4 {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #334155 50%, #1e293b 75%, #0f172a 100%);
    position: relative;
    padding: 80px 0;
    overflow: hidden;

    /* Shapes 背景层 */
    .shapes {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: -1;
    }

    .wrapper {
        flex-direction: column;
    }
}

/* Level-4 装饰形状 */
.roadmap-decoration-1 {
    position: absolute;
    top: 10%;
    left: 5%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(208, 46, 144, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: roadmapFloat1 6s ease-in-out infinite;
}

.roadmap-decoration-2 {
    position: absolute;
    bottom: 15%;
    right: 8%;
    width: 150px;
    height: 150px;
    background: conic-gradient(from 0deg, rgba(59, 130, 246, 0.4), rgba(168, 85, 247, 0.4), rgba(208, 46, 144, 0.4));
    border-radius: 50%;
    animation: roadmapSpin 8s linear infinite;
}

.roadmap-glow-1 {
    position: absolute;
    top: 20%;
    right: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 60%);
    border-radius: 50%;
    animation: roadmapPulse 4s ease-in-out infinite;
}

.roadmap-glow-2 {
    position: absolute;
    bottom: 20%;
    left: 10%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.25) 0%, transparent 65%);
    border-radius: 50%;
    animation: roadmapFloat2 5s ease-in-out infinite reverse;
}

.roadmap-stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.8), transparent), radial-gradient(2px 2px at 40px 70px, rgba(59, 130, 246, 0.8), transparent), radial-gradient(1px 1px at 90px 40px, rgba(168, 85, 247, 0.8), transparent), radial-gradient(1px 1px at 130px 80px, rgba(208, 46, 144, 0.8), transparent), radial-gradient(2px 2px at 160px 30px, rgba(255, 255, 255, 0.6), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: roadmapStars 20s linear infinite;
}

.roadmap-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    margin: -400px 0 0 -400px;
    border: 2px solid rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    animation: roadmapOrbit 15s linear infinite;
}

/* 路线头部 */
.roadmap-header {
    text-align: center;
    margin-bottom: 50px;

    .title {
        font-size: 36px;
        font-weight: bold;
        color: #ffffff;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
        margin-bottom: 12px;
    }

    .subtitle {
        font-size: 18px;
        color: #94a3b8;
    }
}

/* 时间轴容器 */
.timeline-container {
    position: relative;
    margin: 0 auto;
}

/* 网格布局 */
.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 30px; /* 统一设置为30px间距 */
    column-gap: 30px; /* 列间距30px */
    row-gap: 30px; /* 行间距30px */
    position: relative;
    width: 100%;
}

/* 里程碑项目 */
.milestone-item {
    position: relative;
    opacity: 0;
    animation: milestoneSlideIn 1s ease-out forwards;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%; /* 确保宽度正确 */
}

.milestone-item:nth-child(1) {
    animation-delay: 0.1s;
}
.milestone-item:nth-child(2) {
    animation-delay: 0.2s;
}
.milestone-item:nth-child(3) {
    animation-delay: 0.3s;
}
.milestone-item:nth-child(4) {
    animation-delay: 0.4s;
}
.milestone-item:nth-child(5) {
    animation-delay: 0.5s;
}
.milestone-item:nth-child(6) {
    animation-delay: 0.6s;
}

/* 里程碑节点 */
.milestone-node {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 30px;
    z-index: 10;
}

.node-inner {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e293b, #334155);
    border: 4px solid #3b82f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    color: #ffffff;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.node-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
    animation: nodeGlow 2s ease-in-out infinite alternate;
}

/* 节点状态样式 */
.milestone-item.completed .node-inner {
    border-color: #10b981;
    background: linear-gradient(135deg, #065f46, #10b981);
}

.milestone-item.completed .node-glow {
    background: radial-gradient(circle, rgba(16, 185, 129, 0.4) 0%, transparent 70%);
}

.milestone-item.current .node-inner {
    border-color: #f59e0b;
    background: linear-gradient(135deg, #92400e, #f59e0b);
    animation: currentNodePulse 1.5s ease-in-out infinite;
}

.milestone-item.current .node-glow {
    background: radial-gradient(circle, rgba(245, 158, 11, 0.5) 0%, transparent 70%);
}

.milestone-item.future .node-inner {
    border-color: #6b7280;
    background: linear-gradient(135deg, #374151, #6b7280);
}

.milestone-item.future-vision .node-inner {
    border-color: #a855f7;
    background: linear-gradient(135deg, #581c87, #a855f7);
    animation: visionNodeSpin 3s linear infinite;
}

.milestone-item.future-vision .node-glow {
    background: radial-gradient(circle, rgba(168, 85, 247, 0.5) 0%, transparent 70%);
}

/* 里程碑内容 - 网格布局下不再需要左右分布 */
.milestone-card {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 16px;
    padding: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    width: 100%;
    text-align: center;
    min-height: 280px; /* 设置统一的最小高度 */
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* 内容均匀分布 */
}

.milestone-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #a855f7, #d02e90);
}

.milestone-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.6);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.milestone-card.vision {
    background: rgba(88, 28, 135, 0.2);
    border-color: rgba(168, 85, 247, 0.4);
}

.milestone-card.vision::before {
    background: linear-gradient(90deg, #a855f7, #d02e90, #3b82f6);
}

/* 卡片头部 */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    flex-shrink: 0; /* 防止被压缩 */
}

.card-header h3 {
    font-size: 1.6rem;
    font-weight: 600;
    color: #ffffff;
}

.card-header .date {
    font-size: 0.9rem;
    color: #94a3b8;
    font-weight: 500;
    background: rgba(59, 130, 246, 0.1);
    padding: 4px 10px;
    border-radius: 16px;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* 卡片内容 */
.card-body {
    color: #cbd5e1;
    line-height: 1.6;
    flex-grow: 1; /* 允许内容区域填充剩余空间 */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-body p {
    margin-bottom: 15px;
    font-size: 1rem;
    flex-grow: 1; /* 让描述文本填充空间 */
}

/* 特性列表 */
.features-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
    justify-content: center; /* 居中对齐 */
}

.feature {
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 0.85rem;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.vision-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 15px;
}

.vision-feature {
    background: rgba(168, 85, 247, 0.2);
    color: #c4b5fd;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 0.9rem;
    border: 1px solid rgba(168, 85, 247, 0.3);
    text-align: center;
}

/* 成就徽章 */
.achievement-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: auto; /* 推到底部 */
}

.achievement-badge:not(.current):not(.future) {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.achievement-badge.current {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.4);
    animation: badgePulse 2s ease-in-out infinite;
}

.achievement-badge.future {
    background: rgba(168, 85, 247, 0.2);
    color: #c4b5fd;
    border: 1px solid rgba(168, 85, 247, 0.4);
}

/* 路线底部 */
.roadmap-footer {
    margin-top: 80px;
    text-align: center;
}

.progress-section {
    margin-bottom: 50px;
}

.progress-section h4 {
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 20px;
}

.progress-bar {
    position: relative;
    width: 100%;
    max-width: 400px;
    height: 12px;
    background: rgba(51, 65, 85, 0.6);
    border-radius: 6px;
    margin: 0 auto;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #3b82f6, #a855f7);
    border-radius: 6px;
    transition: width 2s ease-out;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3));
    animation: progressShine 2s linear infinite;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9rem;
}

.community-section h4 {
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 15px;
}

.community-section p {
    color: #94a3b8;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.community-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.community-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: rgba(59, 130, 246, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 25px;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.community-btn:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

.community-btn .icon {
    font-size: 1.2rem;
}

/* Level-4 动画 */
@keyframes roadmapFloat1 {
    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

@keyframes roadmapFloat2 {
    0%,
    100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-15px) scale(1.1);
    }
}

@keyframes roadmapSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes roadmapPulse {
    0%,
    100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

@keyframes roadmapStars {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(200px);
    }
}

@keyframes roadmapOrbit {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes milestoneSlideIn {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes nodeGlow {
    from {
        opacity: 0.6;
    }
    to {
        opacity: 1;
    }
}

@keyframes currentNodePulse {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@keyframes visionNodeSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes badgePulse {
    0%,
    100% {
        opacity: 0.8;
    }
    50% {
        opacity: 1;
    }
}

@keyframes progressShine {
    0% {
        transform: translateX(-20px);
    }
    100% {
        transform: translateX(400px);
    }
}

/* Level-4 响应式 */
@media (max-width: 1024px) {
    .roadmap-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px; /* 平板端也保持30px间距 */
    }

    .milestone-item:nth-child(6) {
        grid-column: 1 / -1;
        margin-top: 30px; /* 调整未来展望卡片的顶部间距 */
    }
}

@media (max-width: 768px) {
    .level-4 {
        padding: 60px 0;
    }

    .roadmap-header .title {
        font-size: 28px;
    }

    .roadmap-header .subtitle {
        font-size: 16px;
    }

    .roadmap-grid {
        grid-template-columns: 1fr;
        gap: 30px; /* 移动端也保持30px间距 */
    }

    .milestone-item:nth-child(6) {
        grid-column: 1;
        margin-top: 30px;
    }

    .milestone-node {
        width: 60px;
        height: 60px;
    }

    .node-inner {
        font-size: 1rem;
    }

    .milestone-card {
        padding: 20px;
        min-height: 260px; /* 移动端稍微减小高度 */
    }

    .card-header {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }

    .card-header h3 {
        font-size: 1.5rem;
    }

    .vision-features {
        grid-template-columns: 1fr;
    }

    .community-buttons {
        flex-direction: column;
        align-items: center;
    }

    .community-btn {
        width: 100%;
        max-width: 200px;
        justify-content: center;
    }
}

/* Footer 底部区域样式 */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #282c34 50%, #334155 75%, #1a202c 100%);
    position: relative;
    padding: 80px 0 40px 0;
    overflow: hidden;

    .shapes {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: 0;
    }

    .wrapper {
        padding: 0 20px;
        z-index: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

.footer-main {
    text-align: center;
    width: 100%;
    display: flex;
    justify-content: center;
}

.footer-content {
    max-width: 800px;
    width: 100%;

    .company-logo {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 30px;
        gap: 15px;

        img {
            height: 60px;
            filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
        }

        .company-name {
            font-size: 28px;
            font-weight: bold;
            color: #ffffff;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
        }
    }

    .company-description {
        margin-bottom: 30px;

        p {
            color: #e2e8f0;
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 15px;
            text-align: center;

            &:last-child {
                margin-bottom: 0;
            }
        }
    }

    .company-contact {
        margin-bottom: 30px;

        .contact-item {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            gap: 10px;

            .icon {
                font-size: 18px;
                opacity: 0.8;
            }

            .text {
                color: #cbd5e1;
                font-size: 15px;
            }

            &:last-child {
                margin-bottom: 0;
            }
        }
    }

    .social-links {
        display: flex;
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;

        .social-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: rgba(30, 41, 59, 0.6);
            border: 1px solid rgba(100, 181, 246, 0.2);
            border-radius: 50%;
            text-decoration: none;
            transition: all 0.3s ease;

            .icon {
                max-width: 100%;
                max-height: 100%;
            }

            &:hover {
                background: rgba(100, 181, 246, 0.15);
                border-color: rgba(100, 181, 246, 0.4);
                transform: translateY(-2px);
                box-shadow: 0 4px 12px rgba(100, 181, 246, 0.2);
            }
        }
    }
}

/* Footer 装饰形状 */
.footer-decoration-1 {
    position: absolute;
    top: 10%;
    left: 5%;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, rgba(168, 85, 247, 0.1), rgba(59, 130, 246, 0.1));
    border-radius: 50%;
    animation: floatSlow 8s ease-in-out infinite;
}

.footer-decoration-2 {
    position: absolute;
    top: 20%;
    right: 8%;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(59, 130, 246, 0.1));
    border-radius: 20px;
    animation: floatReverse 10s ease-in-out infinite;
}

.footer-glow-1 {
    position: absolute;
    top: 50%;
    left: 10%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.05), transparent);
    border-radius: 50%;
    animation: pulse 6s ease-in-out infinite;
}

.footer-glow-2 {
    position: absolute;
    bottom: 20%;
    right: 15%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08), transparent);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite reverse;
}

.footer-stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.1), transparent), radial-gradient(2px 2px at 40px 70px, rgba(125, 211, 252, 0.1), transparent), radial-gradient(1px 1px at 90px 40px, rgba(168, 85, 247, 0.1), transparent), radial-gradient(1px 1px at 130px 80px, rgba(255, 255, 255, 0.1), transparent);
    background-repeat: repeat;
    background-size: 150px 100px;
    animation: twinkle 10s linear infinite;
}

.footer-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(30, 41, 59, 0.1) 0%, rgba(15, 23, 42, 0.2) 50%, rgba(15, 23, 42, 0.4) 100%);
    pointer-events: none;
}

/* Footer 响应式设计 */
@media (max-width: 768px) {
    .footer {
        padding: 60px 0 30px 0;

        .wrapper {
            padding: 0 15px;
        }
    }

    .footer-content {
        .company-logo {
            flex-direction: column;
            gap: 10px;

            img {
                height: 50px;
            }

            .company-name {
                font-size: 24px;
            }
        }

        .company-description p {
            font-size: 14px;
            line-height: 1.6;
        }

        .company-contact .contact-item {
            flex-direction: column;
            gap: 5px;
            text-align: center;

            .text {
                font-size: 13px;
            }
        }

        .social-links {
            gap: 15px;

            .social-link {
                width: 40px;
                height: 40px;

                .icon {
                    font-size: 18px;
                }
            }
        }
    }
}

/* Level-0 文章展示区域样式 */
.level-0 {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #282c34 50%, #334155 75%, #1a202c 100%);
    position: relative;
    padding: 80px 0;
    overflow: hidden;

    .shapes {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: 0;
    }

    .wrapper {
        padding: 40px 20px;
        flex-direction: column;
        z-index: 2;
    }

    /* 头部标题 - 与其他区域保持一致 */
    .articles-header {
        text-align: center;
        margin-bottom: 50px;

        .title {
            font-size: 36px;
            font-weight: bold;
            color: #ffffff;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
            margin-bottom: 12px;
        }

        .subtitle {
            font-size: 18px;
            color: #94a3b8;
        }
    }

    /* 文章网格布局 */
    .articles-grid {
        display: flex;
        flex-direction: column;
        gap: 30px;
    }

    /* 文章行布局 */
    .article-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    /* 文章项 - 纯文本卡片，更紧凑 */
    .article-item {
        background: rgba(30, 41, 59, 0.8);
        border: 1px solid rgba(59, 130, 246, 0.2);
        border-radius: 16px;
        padding: 16px;
        transition: all 0.3s ease;
        position: relative;
        display: flex;
        flex-direction: column;

        &:hover {
            border-color: rgba(59, 130, 246, 0.4);
            box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
        }

        .article-title {
            flex: 1 1 100%;
            font-size: 18px;
            font-weight: 600;
            color: #ffffff;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            padding-right: 10px;
            margin-bottom: 10px;
        }

        .article-footer {
            flex: 0 0 auto;
            display: flex;
            gap: 10px;

            .platform-tag {
                font-size: 12px;
                color: #93c5fd;
                background: rgba(59, 130, 246, 0.15);
                padding: 2px 8px;
                border-radius: 5px;
                border: 1px solid rgba(59, 130, 246, 0.3);
                text-decoration: none;
                transition: all 0.3s ease;
                text-align: center;

                &:hover {
                    background: rgba(59, 130, 246, 0.25);
                    border-color: rgba(59, 130, 246, 0.5);
                    color: #ffffff;
                    transform: translateY(-1px);
                }
            }
        }
    }
}

/* Level-0 装饰形状 */
.articles-decoration-1 {
    position: absolute;
    top: 15%;
    left: 8%;
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, rgba(59, 130, 246, 0.1), rgba(168, 85, 247, 0.1));
    border-radius: 50%;
    animation: floatSlow 10s ease-in-out infinite;
}

.articles-decoration-2 {
    position: absolute;
    top: 25%;
    right: 10%;
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(59, 130, 246, 0.1));
    border-radius: 20px;
    animation: floatReverse 8s ease-in-out infinite;
}

.articles-glow-1 {
    position: absolute;
    top: 40%;
    left: 5%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.06), transparent);
    border-radius: 50%;
    animation: pulse 7s ease-in-out infinite;
}

.articles-glow-2 {
    position: absolute;
    bottom: 30%;
    right: 8%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08), transparent);
    border-radius: 50%;
    animation: pulse 9s ease-in-out infinite reverse;
}

.articles-triangle {
    position: absolute;
    top: 60%;
    left: 15%;
    width: 0;
    height: 0;
    border-left: 30px solid transparent;
    border-right: 30px solid transparent;
    border-bottom: 50px solid rgba(125, 211, 252, 0.1);
    animation: rotate 15s linear infinite;
}

.articles-circle {
    position: absolute;
    bottom: 20%;
    left: 80%;
    width: 60px;
    height: 60px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 50%;
    animation: bounce 6s ease-in-out infinite;
}

/* Level-0 响应式设计 */
@media (max-width: 1000px) {
    .level-0 {
        .articles-header .title {
            font-size: 32px;
        }

        .article-row {
            grid-template-columns: 1fr;
            gap: 20px;
        }
    }
}

@media (max-width: 768px) {
    .level-0 {
        padding: 60px 0;

        .wrapper {
            padding: 20px 15px;
        }

        .articles-header {
            margin-bottom: 30px;

            .title {
                font-size: 28px;
            }

            .subtitle {
                font-size: 16px;
            }
        }
    }
}