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

.header-logo-wrapper {
    background-color: transparent;
    position: absolute;
    top: 20px;
    left: 0;
    z-index: 10;
    width: auto;
    padding: 0;
}

.header-logo {
    width: 80px;
    height: 28px;
    margin-left: 120px;
    display: block;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background-color: #f5f5f7;
}

.main-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 15px;
}

.line-container {
    width: 100%;
    margin: 0 auto;
}

#backToTop {
    position: fixed;
    right: -10px;
    bottom: 15px;
    border: none;
    cursor: pointer;
    display: none;
    transition: background-color 0.3s;
    transform: scale(0.5);
    z-index: 999;
    padding: 10px;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/*.anchor-btn, .label-column, .service-item, .base-tab {*/
/*    -webkit-tap-highlight-color: transparent;*/
/*    touch-action: manipulation;*/
/*}*/