/* 本地轻量图标，替代外部 Font Awesome 字体资源。 */
.fab,
.fas {
    display: inline-block;
    position: relative;
    flex: 0 0 auto;
    width: 1em;
    height: 1em;
    font-style: normal;
    line-height: 1;
    vertical-align: -0.125em;
}

.fa-android {
    transform: scale(0.78);
    border-radius: 0.22em 0.22em 0.15em 0.15em;
    background: currentColor;
}

.fa-android::before {
    position: absolute;
    top: 0.24em;
    left: 0.22em;
    width: 0.12em;
    height: 0.12em;
    border-radius: 50%;
    background: #d4af37;
    box-shadow: 0.44em 0 #d4af37;
    content: "";
}

.fa-android::after {
    position: absolute;
    top: -0.24em;
    left: 0.18em;
    width: 0.6em;
    height: 0.38em;
    transform: rotate(0deg);
    border-top: 0.09em solid currentColor;
    border-radius: 50% 50% 0 0;
    content: "";
}

.fa-apple::before {
    position: absolute;
    top: 0.2em;
    left: 0.13em;
    width: 0.76em;
    height: 0.78em;
    transform: rotate(-4deg);
    border-radius: 48% 48% 45% 45% / 42% 42% 58% 58%;
    background: currentColor;
    content: "";
}

.fa-apple::after {
    position: absolute;
    top: -0.04em;
    left: 0.55em;
    width: 0.3em;
    height: 0.22em;
    transform: rotate(-32deg);
    border-radius: 90% 15% 90% 15%;
    background: currentColor;
    content: "";
}

.fa-telegram-plane {
    transform: scale(0.9);
    background: currentColor;
    clip-path: polygon(0 43%, 100% 0, 72% 100%, 49% 67%, 32% 82%, 36% 58%);
}

.fa-weixin::before,
.fa-weixin::after {
    position: absolute;
    border-radius: 50%;
    background-color: currentColor;
    content: "";
}

.fa-weixin::before {
    top: 0.07em;
    left: 0;
    width: 0.72em;
    height: 0.6em;
    box-shadow: inset 0.21em 0.2em #1a1a1f, inset -0.21em 0.2em #1a1a1f;
}

.fa-weixin::after {
    right: 0;
    bottom: 0.02em;
    width: 0.68em;
    height: 0.55em;
    box-shadow: inset 0.19em 0.18em #1a1a1f, inset -0.19em 0.18em #1a1a1f;
}