:root {
    /* 浅色模式变量 */
    --bg-color: #ffffff;
    --text-color: #000000;
    --nav-bg-color: #DCDCDC;
    --div-bg-color: #f6f6f7;
    --nav-hover-color: #999999;
    --border-color: #b6b6b6;
    --button-bg-color: #DCDCDC;
    --link-color: #000000;
    --link-hover-color: #5b5a5a;
    --solid-border: 6px solid #162e6a;
    --icon-fill-color: #3c3c43;
    --img-b:100%;
    --icon-brightness:1.1;
}

[data-theme="dark"] {
    /* 深色模式变量 */
    --bg-color: #1a1a1a;
    --text-color: #e6e6e6;
    --nav-bg-color: #2d2d2d;
    --div-bg-color: #242427;
    --nav-hover-color: #4d4d4d;
    --border-color: #444444;
    --button-bg-color: #3d3d3d;
    --link-color: #cccccc;
    --link-hover-color: #ffffff;
    --img-github-link: "./images/github_d.png";
    --img-githubpage-link: "./images/githubpage_d.png";
    --solid-border: 6px solid #0062d2;
    --icon-fill-color: #f0f6fc;
    --img-b:0%;
    --icon-brightness:0.9;
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

header{
    margin: 0;
}

img {
    border-radius: 10px;
}

h1 {
    font-size: 25px;
    margin-block-start: 5px;
    margin-block-end: 5px;
}

h2 {
    font-size: 20px;
    margin-block-start: 0em;
    margin-block-end: 0em;
}

h3 {
    margin-block-start: 0em;
    margin-block-end: 0em;
}

a {
    text-decoration: none;
    color: var(--link-color);
    margin-block-start: 0em;
    margin-block-end: 0em;
}

a:hover {
    color: var(--link-hover-color);
}

.dis_a:hover {
    color: var(--link-color);
}

p {
    margin-block-start: 0em;
    margin-block-end: 0em;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: var(--nav-bg-color);
    transition: background-color 0.3s;
}

li {
    float: left;
}

li a {
    display: block;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover {
    background-color: var(--nav-hover-color);
}

button {
    border-width: 0px;
    padding: 0;
    background-color: #00000000;
    border-color: #00000000;
}

button:hover {
    background-color: var(--nav-hover-color);
}

.ico {
    border-radius: 5%;
}

.img {
    overflow: hidden;
}

.img_a:hover {
    background-color: var(--nav-hover-color);
}

.github {
    padding: 0;
}

.border_div {
    margin: 0;
    padding: 0;
    display: inline-block;
    _display: inline;
    zoom: 1;
    border: 2px solid var(--border-color);
    border-radius: 20px;
    transition: border-color 0.3s;
}

.button_div {
    width: 100;
    border-radius: 4px;
    padding: 0;
    float: right;
    background-color: var(--button-bg-color);
    margin: auto;
    padding: 0;
    text-align: center;
    transition: background-color 0.3s;
}

.center {
    text-align: center;
    margin: auto;
    padding: 0;
}

.div_a {
    text-align: center;
    margin: 0 auto;
    padding: 0;
    clear: both;
}

.subd_a {
    margin: 0;
    padding: 0;
    display: inline-block;
    _display: inline;
    zoom: 1;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
}

.slider:before {
    background-color: white;
    bottom: 4px;
    content: "";
    height: 16px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 16px;
}

input:checked+.slider {
    background-color: #2196F3;
}

input:checked+.slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.scroll-container {
    height: 400px;
    padding: 0px;
    overflow-y: auto;
}

.scroll-container::-webkit-scrollbar {
    width: 10px;
}

.scroll-container::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 5px;
}

.scroll-container::-webkit-scrollbar-thumb {
    background: var(--nav-bg-color);
    border-radius: 5px;
}

.img_b{
    filter: invert(var(--img-b));
}


#web-icon:hover{
    filter: brightness(var(--icon-brightness));
}