/* 基础样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #6600CC, #0099FF);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }
    a {
        color: #FF99CC;
        text-decoration: none;
        transition: color 0.3s ease;
    }
    a:hover {
        color: #FF6699;
    }
    /* 头部样式 */
    header {
        text-align: center;
        padding: 50px 20px;
        background: radial-gradient(circle, rgba(0, 51, 102, 0.8), transparent);
        border-radius: 15px;
        margin-bottom: 30px;
    }
    header h1 {
        font-size: 2.5em;
        margin-bottom: 10px;
    }
    header p {
        font-size: 1.2em;
    }
    /* 英雄区样式 */
    .hero {
        position: relative;
        padding: 100px 20px;
        background: linear-gradient(135deg, #003366, #0099FF);
        border-radius: 15px;
        margin-bottom: 30px;
        overflow: hidden;
        animation: aurora-move 15s linear infinite;
    }
    .hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
        pointer-events: none;
    }
    .hero h2 {
        font-size: 2em;
        margin-bottom: 20px;
    }
    .hero p {
        font-size: 1.1em;
        max-width: 800px;
        margin: 0 auto;
    }
    /* 模块化内容卡片 */
    .container {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        margin-bottom: 30px;
    }
    .card {
        background: linear-gradient(135deg, #6600CC, #0099FF);
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        width: 32%;
        padding: 20px;
        margin-bottom: 20px;
        transition: transform 0.3s ease, background 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    .card:hover {
        transform: scale(1.05);
        background: linear-gradient(135deg, #0099FF, #6600CC);
    }
    .card img {
        width: 100%;
        border-radius: 8px;
        margin-bottom: 15px;
    }
    .card h3 {
        margin-bottom: 10px;
        font-size: 1.5em;
    }
    .card p {
        font-size: 1em;
    }
    /* CTA区域 */
    .cta {
        text-align: center;
        padding: 50px 20px;
        background: radial-gradient(circle, rgba(0,0,0,0.5), transparent);
        border-radius: 15px;
        position: relative;
        overflow: hidden;
    }
    .cta::before {
        content: '';
        position: absolute;
        top: -50px;
        left: -50px;
        width: 100px;
        height: 100px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 50%;
        animation: float 5s infinite ease-in-out;
    }
    .cta h2 {
        font-size: 2em;
        margin-bottom: 20px;
    }
    .cta a {
        padding: 15px 30px;
        background: linear-gradient(135deg, #003366, #0099FF);
        border: none;
        border-radius: 25px;
        color: #ffffff;
        font-size: 1em;
        cursor: pointer;
        transition: transform 0.3s ease, background 0.3s ease;
    }
    .cta a:hover {
        transform: scale(1.1);
        background: linear-gradient(135deg, #0099FF, #003366);
    }
    /* 示例展示 */
    .example {
        background: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
        margin-bottom: 30px;
    }
    .example h2 {
        font-size: 1.8em;
        margin-bottom: 15px;
    }
    .example pre {
        background: #002244;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }
    .example code {
        color: #66ff66;
        font-family: 'Courier New', Courier, monospace;
    }
    /* 响应式设计 */
    @media (max-width: 1440px) {
        .card {
            width: 30%;
        }
    }
    @media (max-width: 1200px) {
        .card {
            width: 45%;
        }
    }
    @media (max-width: 1024px) {
        .card {
            width: 48%;
        }
    }
    @media (max-width: 768px) {
        .card {
            width: 100%;
        }
        .hero {
            padding: 50px 20px;
        }
        header h1 {
            font-size: 2em;
        }
    }
    @media (max-width: 480px) {
        .hero h2 {
            font-size: 1.5em;
        }
        .cta h2 {
            font-size: 1.5em;
        }
        .cta a {
            padding: 10px 20px;
            font-size: 0.9em;
        }
    }
    @keyframes aurora-move {
        0% {background-position: 0% 50%;}
        50% {background-position: 100% 50%;}
        100% {background-position: 0% 50%;}
    }
    @keyframes float {
        0%, 100% {transform: translateY(0);}
        50% {transform: translateY(-20px);}
    }
    /* 提示信息 */
    .notice {
        text-align: center;
        font-size: 1em;
        margin-top: 20px;
        color: #FFCCCC;
    }