@font-face {
    font-family: "smiley";
    src: url(../font/Outfit-VariableFont_wght.ttf);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "smiley";
}

img {
    width: 100%;
    object-fit: cover;
    display: block;
}

video {
    object-fit: cover;
}

a {
    text-decoration: none;
}

b,
strong {
    font-weight: 400
}

em,
i {
    font-style: normal;
}

li {
    list-style: none;
}

input {
    border: 0;
    outline: 0;
}

button {
    outline: 0;
    border: 0;
    background-color: transparent;
    cursor: pointer;
}

/* header_adv */
.de_iv_adv {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 5px 0;
    margin: 10px 0 10px;
}

/* footer_adv */
.postionFixed {
    width: 100%;
    min-height: 60px;
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    right: 0;
    left: 0;
    bottom: 0;
    z-index: 9999;
    margin: auto;
    background-color: #2F2F2F;
    box-shadow: 0 0 10px #00000013;
}

/* footer */
footer {
    width: 100%;
    height: 60px;
    text-align: center;
    background-color: #262626;
    color: #fff;
    font-size: 13px;
    line-height: 1.5;
    padding: 10px 0 10px 0;
    margin-bottom: 60px;
}

footer a {
    color: #fff;
}

.img-box {
    position: relative;
}

.img-box::before {
    content: '';
    display: block;
}

.img-box>img {
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: #000000;
}

main {
    flex: 1;
}

:root {
    --all-width: 1100px;
    --logo: 220px;
    --searchBar: 350px;
    --button: 35px;
    --left-box: 620px;
    --right-box: 420px;
}

@media screen and (max-width:769px) {
    :root {
        --all-width: 100%;
        --searchBar: 100%;
        --left-box: 100%;
        --right-box: 100%;
    }
}

@media only screen and (max-device-width: 768px) and (orientation: landscape) {
    /* 仅限手机，横屏模式 */
}

@media only screen and (max-device-width: 768px) and (orientation: portrait) {
    /* 仅限手机，竖屏模式 */
}