毛玻璃效果

<div class="box">
    <div class="glass">
        <div class="light" data-js-background-attachment-fixed></div>
        <div class="drag-me">Drag Me</div>
    </div>    
</div>

/**
 * Iterates through all `HTMLElement`s with
 * `data-js-background-attachment-fixed` and updates the `background-position`
 * to simulate `background-attachment: fixed`.
 */
const updateDataJSBackgroundAttachmentFixedElements = () => {
        // Find all elements with the `data-js-background-attachment-fixed` attribute
        const elements = document.querySelectorAll(
            "[data-js-background-attachment-fixed]",
        );

        for (const element of elements) {
            // Only consider `HTMLElement`s
            if (!(element instanceof HTMLElement)) continue;

            // Find the position of the element
            const clientRect = element.getBoundingClientRect();

            // Move the background position opposite the position in the viewport
            const backgroundPositionX = `${(-clientRect.x).toString()}px`;
            const backgroundPositionY = `${(-clientRect.y).toString()}px`;

            element.style.backgroundPositionX = backgroundPositionX;
            element.style.backgroundPositionY = backgroundPositionY;
        }
    };

/**
 * Begins a loop which simulates `background-attachment: fixed` for
 * `HTMLElement`s with `data-js-background-attachment-fixed`.
 *
 * This loop executes each animation frame.
 */
const initDataJSBackgroundAttachmentFixed = () => {
    requestAnimationFrame(() => {
        updateDataJSBackgroundAttachmentFixedElements();
        initDataJSBackgroundAttachmentFixed();
    });
};



// 添加拖拽功能
const glass = document.querySelector('.glass');
const dragMe = document.querySelector('.drag-me');
let isDragging = false;
let currentX;
let currentY;
let initialX;
let initialY;
let xOffset = 0;
let yOffset = 0;

dragMe.addEventListener('mousedown', dragStart);
document.addEventListener('mousemove', drag);
document.addEventListener('mouseup', dragEnd);

function dragStart(e) {
    initialX = e.clientX - xOffset;
    initialY = e.clientY - yOffset;

    if (e.target === dragMe) {
        isDragging = true;
    }
}

function drag(e) {
    if (isDragging) {
        e.preventDefault();
        currentX = e.clientX - initialX;
        currentY = e.clientY - initialY;

        xOffset = currentX;
        yOffset = currentY;

        setTranslate(currentX, currentY, glass);
    }
}

function dragEnd() {
    isDragging = false;
}

function setTranslate(xPos, yPos, el) {
    el.style.transform = `translate3d(${xPos}px, ${yPos}px, 0)`;
}

initDataJSBackgroundAttachmentFixed();

.box {
    /* Full screen */
    height: 360px;
    margin: 0;
    padding: 0;
    /* Background image */
    background-image: url('https://w.wallhaven.cc/full/45/wallhaven-45dd35.jpg');
    background-size: cover;
    /* Center the glass div */
    display: flex;
    justify-content: center;
    align-items: center;
}
.glass {
    /* Size */
    height: 300px;
    width: 200px;
    margin: 0;
    padding: 0;

    /* Blur effect */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);

    box-shadow:
        /* Bottom and right depth effect */
            inset -0.75px -0.5px rgba(255, 255, 255, 0.1),
                /* Top and left depth effect */
            inset +0.75px +0.5px rgba(255, 255, 255, 0.025),
                /* Shadow effect */
            3px 2px 10px rgba(0, 0, 0, 0.25),
                /* Short subsurface effect */
            inset 0px 0px 10px 5px rgba(255, 255, 255, 0.025),
                /* Long subsurface effect */
            inset 0px 0px 40px 5px rgba(255, 255, 255, 0.025);

    /* Allow children to fill the parent */
    position: relative;

    /* Round the corners */
    border-radius: 5px;

    /* Hide the corners of the header */
    overflow: hidden;
}

.glass::before {
    /* Make the element render */
    content: "";

    /* Apply the background image */
    background-repeat: repeat;
    background-size: 750px;

    /* Adjust the intensity */
    opacity: 0.075;

    /* Fill the background space */
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;

    /* Render behind other children */
    z-index: -1;

    /* Fix the reflection to the screen */
    background-attachment: fixed;
}

.drag-me {
    /* Center the content */
    display: flex;
    align-items: center;
    justify-content: center;

    /* Size the content */
    height: 30px;

    /* Add a transparent background */
    background-color: rgba(12, 13, 14, 0.75);
    color: rgba(201, 216, 232, 0.75);

    /* Add cursor style */
    cursor: move;
}

液态玻璃效果

<div class="box">
    <div class="glass">
        <div class="light" data-js-background-attachment-fixed></div>
        <div class="drag-me">Drag Me</div>
    </div>
</div>

/**
 * Iterates through all `HTMLElement`s with
 * `data-js-background-attachment-fixed` and updates the `background-position`
 * to simulate `background-attachment: fixed`.
 */
const updateDataJSBackgroundAttachmentFixedElements = () => {
        // Find all elements with the `data-js-background-attachment-fixed` attribute
        const elements = document.querySelectorAll(
            "[data-js-background-attachment-fixed]",
        );

        for (const element of elements) {
            // Only consider `HTMLElement`s
            if (!(element instanceof HTMLElement)) continue;

            // Find the position of the element
            const clientRect = element.getBoundingClientRect();

            // Move the background position opposite the position in the viewport
            const backgroundPositionX = `${(-clientRect.x).toString()}px`;
            const backgroundPositionY = `${(-clientRect.y).toString()}px`;

            element.style.backgroundPositionX = backgroundPositionX;
            element.style.backgroundPositionY = backgroundPositionY;
        }
    };

/**
 * Begins a loop which simulates `background-attachment: fixed` for
 * `HTMLElement`s with `data-js-background-attachment-fixed`.
 *
 * This loop executes each animation frame.
 */
const initDataJSBackgroundAttachmentFixed = () => {
    requestAnimationFrame(() => {
        updateDataJSBackgroundAttachmentFixedElements();
        initDataJSBackgroundAttachmentFixed();
    });
};



// 添加拖拽功能
const glass = document.querySelector('.glass');
const dragMe = document.querySelector('.drag-me');
let isDragging = false;
let currentX;
let currentY;
let initialX;
let initialY;
let xOffset = 0;
let yOffset = 0;

dragMe.addEventListener('mousedown', dragStart);
document.addEventListener('mousemove', drag);
document.addEventListener('mouseup', dragEnd);

function dragStart(e) {
    initialX = e.clientX - xOffset;
    initialY = e.clientY - yOffset;

    if (e.target === dragMe) {
        isDragging = true;
    }
}

function drag(e) {
    if (isDragging) {
        e.preventDefault();
        currentX = e.clientX - initialX;
        currentY = e.clientY - initialY;

        xOffset = currentX;
        yOffset = currentY;

        setTranslate(currentX, currentY, glass);
    }
}

function dragEnd() {
    isDragging = false;
}

function setTranslate(xPos, yPos, el) {
    el.style.transform = `translate3d(${xPos}px, ${yPos}px, 0)`;
}

initDataJSBackgroundAttachmentFixed();

.box {
    /* Full screen */
    height: 360px;
    margin: 0;
    padding: 0;
    /* Background image */
    background-image: url('https://w.wallhaven.cc/full/45/wallhaven-45dd35.jpg');
    background-size: cover;
    /* Center the glass div */
    display: flex;
    justify-content: center;
    align-items: center;
}

.glass {
    /* Size */
    height: 200px;
    width: 150px;
    margin: 0;
    padding: 0;
    border-radius: 15px;
    position: relative;

    /* Liquid Glass 核心样式 */
    background-color: rgba(255, 255, 255, 0.15); /* 半透明背景 */
    backdrop-filter: blur(12px) saturate(150%); /* 模糊和饱和度 */
    -webkit-backdrop-filter: blur(12px) saturate(150%); /* Safari 兼容 */
    border: 1px solid rgba(255, 255, 255, 0.4); /* 边框 */
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1); /* 轻微阴影 */
    transition: background-color 0.3s ease; /* 平滑过渡 */

    /*transition: transform 0.3s ease, box-shadow 0.3s ease;*/

    /* 卡片样式 */
    overflow: hidden;
    padding: 30px;
    text-align: center;
    color: #333;
}

.glass:hover {
    /*transform: translateY(-8px) scale(1.02); *//* 悬停上浮并轻微放大 */
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.drag-me {
    /* Center the content */
    display: flex;
    align-items: center;
    justify-content: center;

    /* Size the content */
    height: 30px;

    /* Add a transparent background */
    /*background-color: rgba(12, 13, 14, 0.75);*/
    font-size: 1.8em;
    margin-bottom: 15px;
    color: #2a7aff; /* 卡片标题颜色 */

    /* Add cursor style */
    cursor: move;
}

新拟态

<div class="box">
    <div class="container">
        <header class="neu-header">
            <i class="fas fa-bars"></i>
            <h1>新拟物化设计</h1>
            <i class="fas fa-cog"></i>
        </header>

        <main class="content">
            <div class="neu-card neu-convex">
                <i class="fas fa-music"></i>
                <h2>音乐播放</h2>
                <p>享受您的音乐，体验极致音质。</p>
                <div class="neu-buttons">
                    <button class="neu-button neu-concave"><i class="fas fa-backward"></i></button>
                    <button class="neu-button neu-convex"><i class="fas fa-play"></i></button>
                    <button class="neu-button neu-concave"><i class="fas fa-forward"></i></button>
                </div>
            </div>

            <div class="neu-section">
                <div class="neu-input-wrapper neu-concave">
                    <input type="text" placeholder="输入您的内容..." class="neu-input">
                </div>

                <div class="neu-toggle-wrapper">
                    <label class="neu-toggle neu-convex">
                        <input type="checkbox" id="darkModeToggle">
                        <span class="neu-slider"></span>
                    </label>
                    <span>深色模式</span>
                </div>
            </div>

            <div class="neu-button-group">
                <button class="neu-button neu-concave">设置</button>
                <button class="neu-button neu-convex active">个人资料</button>
                <button class="neu-button neu-concave">通知</button>
            </div>
        </main>
    </div>    
</div>

document.addEventListener('DOMContentLoaded', () => {
    // 切换按钮组的激活状态
    const buttonGroup = document.querySelector('.neu-button-group');
    if (buttonGroup) {
        buttonGroup.addEventListener('click', (e) => {
            if (e.target.classList.contains('neu-button')) {
                // 移除所有按钮的激活状态
                buttonGroup.querySelectorAll('.neu-button').forEach(btn => {
                    btn.classList.remove('active');
                    // 移除旧的凸起阴影，恢复凹陷阴影
                    btn.classList.add('neu-concave');
                    btn.classList.remove('neu-convex');
                });
                // 为点击的按钮添加激活状态
                e.target.classList.add('active');
                // 添加凸起阴影
                e.target.classList.remove('neu-concave');
                e.target.classList.add('neu-convex');
            }
        });
    }

    // 深色模式切换（仅模拟视觉效果）
    const darkModeToggle = document.getElementById('darkModeToggle');
    if (darkModeToggle) {
        darkModeToggle.addEventListener('change', () => {
            if (darkModeToggle.checked) {
                document.documentElement.style.setProperty('--bg-color', '#333333');
                document.documentElement.style.setProperty('--light-shadow', '#424242');
                document.documentElement.style.setProperty('--dark-shadow', '#242424');
                document.documentElement.style.setProperty('--text-color', '#dddddd');
                document.documentElement.style.setProperty('--accent-color', '#64b5f6'); // 蓝色强调色
            } else {
                document.documentElement.style.setProperty('--bg-color', '#e0e0e0');
                document.documentElement.style.setProperty('--light-shadow', '#ffffff');
                document.documentElement.style.setProperty('--dark-shadow', '#a0a0a0');
                document.documentElement.style.setProperty('--text-color', '#6a6a6a');
                document.documentElement.style.setProperty('--accent-color', '#3f51b5');
            }
        });
    }
});

.box {
    /* Full screen */
    height: 700px;
    margin: 0;
    padding: 0;
    /* Background image */
    background-color: #e0e0e0;
    color: #6a6a6a;
    background-size: cover;
    /* Center the glass div */
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background-color: #e0e0e0;
    border-radius: calc(15px * 2);
    padding: 30px;
    box-shadow: 10px 10px 20px #a0a0a0,
    calc(10px * -1) calc(10px * -1) 20px #ffffff;
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 600px;
    width: 100%;
}

/* 头部样式 */
.neu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.5em;
    padding: 10px 0;
    color: #6a6a6a;
}

.neu-header h1 {
    font-size: 1.8em;
    margin: 0;
    font-weight: 600;
}

.neu-header .fas {
    cursor: pointer;
    padding: 10px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.neu-header .fas:active {
    box-shadow: inset 10px 10px 20px #a0a0a0,
    inset calc(10px * -1) calc(10px * -1) 20px #ffffff;
    color:  #3f51b5;
}


/* 通用新拟物化样式 - 凸起 */
.neu-convex {
    background-color: #e0e0e0;
    border-radius: 15px;
    box-shadow: 10px 10px 20px #a0a0a0,
    calc(10px * -1) calc(10px * -1) 20px #ffffff;
    transition: all 0.3s ease;
}

/* 通用新拟物化样式 - 凹陷 */
.neu-concave {
    background-color: #e0e0e0;
    border-radius: 15px;
    box-shadow: inset 10px 10px 20px #a0a0a0,
    inset calc(10px * -1) calc(10px * -1) 20px #ffffff;
    transition: all 0.3s ease;
}

/* 卡片样式 */
.neu-card {
    padding: 20px;
    text-align: center;
}

.neu-card .fas {
    font-size: 3em;
    margin-bottom: 15px;
    color: #6a6a6a;
}

.neu-card h2 {
    font-size: 1.8em;
    margin-bottom: 10px;
    color: #6a6a6a;
}

.neu-card p {
    font-size: 0.9em;
    line-height: 1.6;
    margin-bottom: 25px;
}

.neu-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* 按钮样式 */
.neu-button {
    width: 60px;
    height: 60px;
    border: none;
    outline: none;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2em;
    color: #6a6a6a;
    cursor: pointer;
    border-radius: 50%; /* 圆形按钮 */
    background-color: #e0e0e0; /* 确保背景色一致 */
}

.neu-button.neu-convex:active {
    box-shadow: inset 10px 10px 20px #a0a0a0,
    inset calc(10px * -1) calc(10px * -1) 20px #ffffff;
    color:  #3f51b5;
}

.neu-button.neu-concave:active {
    box-shadow: 10px 10px 20px #a0a0a0,
    calc(10px * -1) calc(10px * -1) 20px #e0e0e0;
    color:  #3f51b5;
}

/* 输入框样式 */
.neu-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
}

.neu-input-wrapper {
    flex-grow: 1;
    padding: 10px 15px;
}

.neu-input {
    width: 100%;
    border: none;
    outline: none;
    background-color: transparent;
    color: #6a6a6a;
    font-size: 1em;
    padding: 5px 0;
}

.neu-input::placeholder {
    color: rgba(106, 106, 106, 0.7);
}

/* 开关样式 */
.neu-toggle-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9em;
}

.neu-toggle {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
    cursor: pointer;
}

.neu-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.neu-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 34px;
    background-color: #e0e0e0; /* 凸起背景 */
    box-shadow: 10px 10px 20px #a0a0a0,
    calc(10px * -1) calc(10px * -1) 20px #ffffff;
    transition: .4s;
}

.neu-slider::before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: #e0e0e0; /* 滑块背景 */
    border-radius: 50%;
    box-shadow: inset 2px 2px 5px #a0a0a0,
    inset -2px -2px 5px #ffffff; /* 凹陷滑块 */
    transition: .4s;
}

input:checked + .neu-slider {
    background-color: #e0e0e0; /* 选中时背景不变，但阴影会变 */
    box-shadow: inset 2px 2px 5px #a0a0a0, /* 选中时整体凹陷 */
    inset -2px -2px 5px #ffffff;
}

input:checked + .neu-slider::before {
    transform: translateX(26px);
    background-color:  #3f51b5; /* 滑块颜色变为强调色 */
    box-shadow: 2px 2px 5px rgba(0,0,0,0.2), -2px -2px 5px rgba(255,255,255,0.7); /* 凸起效果 */
}

/* 按钮组 */
.neu-button-group {
    display: flex;
    background-color: #e0e0e0;
    border-radius: 15px;
    box-shadow: inset 10px 10px 20px #a0a0a0,
    inset calc(10px * -1) calc(10px * -1) 20px #ffffff;
    padding: 5px; /* 内部小间距 */
}

.neu-button-group .neu-button {
    flex: 1;
    height: auto;
    padding: 10px 15px;
    border-radius: calc(15px - 5px); /* 组内按钮圆角稍小 */
    box-shadow: none; /* 组内按钮初始无阴影 */
    font-size: 1em;
    white-space: nowrap; /* 防止文本换行 */
}

.neu-button-group .neu-button.active {
    box-shadow: 10px 10px 20px #a0a0a0,
    calc(10px * -1) calc(10px * -1) 20px #ffffff;
    color:  #3f51b5;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .container {
        padding: 20px;
        margin: 10px;
    }

    .neu-header h1 {
        font-size: 1.5em;
    }

    .neu-card {
        padding: 15px;
    }

    .neu-buttons {
        gap: 10px;
    }

    .neu-button {
        width: 50px;
        height: 50px;
        font-size: 1em;
    }

    .neu-input-wrapper {
        width: 100%;
    }

    .neu-section {
        flex-direction: column;
        align-items: flex-start;
    }

    .neu-button-group {
        width: 100%;
    }
}