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

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #B3B1B1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
}

/* 圆形头像 */
.image-container1 {
    width: 96px;
    height: 96px;
    overflow: hidden;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 16px;
    margin-top: 8%;
    cursor: pointer;
}
.image-container1 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 文本截图容器 */
.text-img-container {
    width: 90%;
    max-width: 600px;
    margin-bottom: 12px;
    cursor: pointer;
}
.text-img-container img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}
.text-img-container.small {
    margin-top: 8px;
    margin-bottom: 8px;
}

/* 按钮截图 */
.btn-img-wrap {
    width: 90%;
    max-width: 600px;
    display: flex;
    justify-content: center;
    margin: 12px 0 16px;
    cursor: pointer;
}
.btn-img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 30px;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.15);
    
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges; /* 文字类图片更清晰 */
    -ms-interpolation-mode: nearest-neighbor;
}

/* 主宣传图 */
.second-image-container2 {
    margin-top: 20px;
    width: 90%;
    max-width: 600px;
    cursor: pointer;
}
.second-image-container2 img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
}

/* 呼吸动画 */
.pulse {
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* 移动端 */
@media (max-width: 480px) {
    .image-container1 {
        width: 84px;
        height: 84px;
        margin-top: 6%;
    }
}