/* ===== 兼容 IE10 的基础样式 ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
}



body {
    margin: 0;
    padding: 0;
    background: #fff;
    color: #000;
    font-size: 14px;
    font-family: "Microsoft YaHei", sans-serif;
}

/* 清除默认样式 */
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
dl,
dd,
dt,
blockquote,
figure,
pre,
form,
fieldset,
table {
    margin: 0;
    padding: 0;
}

ul,
ol {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

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

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: 100%;
    border: none;
    background: none;
    outline: none;
}

/* ===== 工具类（无 CSS 变量） ===== */
.font16 {
    font-size: 16px;
}

.font18 {
    font-size: 18px;
}

.font20 {
    font-size: 20px;
}

.font24 {
    font-size: 24px;
}

.font28 {
    font-size: 28px;
}

.font32 {
    font-size: 32px;
}

.font36 {
    font-size: 36px;
}

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.ft-weight,
.strong {
    font-weight: bold;
}

.color-fff {
    color: #fff !important;
}

.color-333 {
    color: #333 !important;
}

.color-666 {
    color: #666 !important;
}

.color-999 {
    color: #999 !important;
}

.line1 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    word-break: break-all;
}

.line2 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-all;
}

.line3 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    word-break: break-all;
}

.line4 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    word-break: break-all;
}

.line5 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    word-break: break-all;
}

.line6 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    word-break: break-all;
}

/* ===== 容器 ===== */
.container {
    width: 1400px;
    margin: 0 auto;
}