/* 基础重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    /* 全局字体与背景 */
    body {
        font-family: 'Roboto', sans-serif;
        color: #ffffff;
        background: radial-gradient(circle, rgba(0,31,63,1) 0%, rgba(255,135,27,1) 100%);
        overflow-x: hidden;
    }

    /* 动态背景效果 */
    .background {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
        z-index: -1;
    }

    @keyframes aurora-move {
        0% {
            background-position: 0% 50%;
        }
        50% {
            background-position: 100% 50%;
        }
        100% {
            background-position: 0% 50%;
        }
    }

    /* 容器与网格系统 */
    .container {
        width: 90%;
        max-width: 1440px;
        margin: 0 auto;
        padding: 20px;
    }

    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        padding: 20px 0;
    }

    /* 卡片设计 */
    .card {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
        backdrop-filter: blur(8.5px);
        -webkit-backdrop-filter: blur(8.5px);
        border: 1px solid rgba(255, 255, 255, 0.18);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        padding: 20px;
        position: relative;
    }

    .card:hover {
        transform: scale(1.05) rotate(2deg);
        box-shadow: 0 12px 40px rgba(255, 135, 27, 0.5);
    }

    /* 标题样式 */
    h1, h2, h3, h4 {
        font-family: 'Futura', sans-serif;
        text-transform: uppercase;
        letter-spacing: 2px;
        margin-bottom: 15px;
        color: #ffffff;
    }

    h1 {
        font-size: 3rem;
        text-align: center;
        margin-top: 50px;
        background: linear-gradient(90deg, #8e2de2, #4a00e0);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    h2 {
        font-size: 2rem;
        color: #ff851b;
        text-align: left;
    }

    h3 {
        font-size: 1.5rem;
        color: #00d1b2;
    }

    /* 段落与代码块 */
    p {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 15px;
        color: #f0f0f0;
    }

    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Fira Code', monospace;
        color: #ffdd57;
    }

    /* 按钮样式 */
    .button {
        position: relative;
        display: inline-block;
        padding: 10px 20px;
        margin-top: 10px;
        font-size: 1rem;
        color: #ffffff;
        background: linear-gradient(45deg, #ff6b6b, #f94d6a);
        border: none;
        border-radius: 25px;
        cursor: pointer;
        overflow: hidden;
        transition: background 0.3s ease;
    }

    .button:hover {
        background: linear-gradient(45deg, #f94d6a, #ff6b6b);
    }

    .button::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: width 0.5s ease, height 0.5s ease;
    }

    .button:hover::after {
        width: 200px;
        height: 200px;
    }

    /* 图像样式 */
    .decorative-images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
        justify-content: center;
    }

    .decorative-images img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 10px;
    }

    /* 动态数据看板 */
    .data-dashboard {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        padding: 20px;
        margin: 20px 0;
        box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
        backdrop-filter: blur(8.5px);
        -webkit-backdrop-filter: blur(8.5px);
        border: 1px solid rgba(255, 255, 255, 0.18);
    }

    .data-dashboard h3 {
        color: #00d1b2;
    }

    .data-item {
        display: flex;
        align-items: center;
        margin-bottom: 10px;
    }

    .data-item span {
        margin-left: 10px;
        font-size: 1rem;
    }

    /* 响应式设计 */
    @media (max-width: 320px) {
        h1 {
            font-size: 2rem;
        }

        .button {
            padding: 8px 16px;
            font-size: 0.8rem;
        }
    }

    @media (min-width: 321px) and (max-width: 480px) {
        h1 {
            font-size: 2.5rem;
        }

        .button {
            padding: 9px 18px;
            font-size: 0.9rem;
        }
    }

    @media (min-width: 481px) and (max-width: 768px) {
        h1 {
            font-size: 2.8rem;
        }

        .button {
            padding: 10px 20px;
            font-size: 1rem;
        }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
        h1 {
            font-size: 3rem;
        }

        .button {
            padding: 11px 22px;
            font-size: 1.1rem;
        }
    }

    @media (min-width: 1025px) and (max-width: 1200px) {
        h1 {
            font-size: 3.2rem;
        }

        .button {
            padding: 12px 24px;
            font-size: 1.2rem;
        }
    }

    @media (min-width: 1201px) {
        h1 {
            font-size: 3.5rem;
        }

        .button {
            padding: 14px 28px;
            font-size: 1.3rem;
        }
    }

    /* 非线性排版与不对称布局 */
    .tilted-text {
        transform: rotate(-5deg);
        margin-bottom: 20px;
    }

    .asymmetric-layout {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 20px;
    }

    .asymmetric-layout .text {
        flex: 1;
    }

    .asymmetric-layout .image {
        flex: 1;
        transform: skewX(-10deg);
    }

    /* 图标样式 */
    .icons {
        display: flex;
        gap: 15px;
        margin: 20px 0;
        justify-content: center;
    }

    .icons img {
        width: 40px;
        height: 40px;
        filter: drop-shadow(0 0 5px #ff6b6b);
    }

    /* 微动画与提示文案 */
    .loading-screen {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,31,63,0.95);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 1000;
        animation: fadeOut 3s forwards 5s;
    }

    @keyframes fadeOut {
        to {
            opacity: 0;
            visibility: hidden;
        }
    }

    .loading-screen p {
        font-size: 1.5rem;
        color: #ffdd57;
        animation: slideIn 2s ease-out forwards;
    }

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