:root{
    --c-primary:#1554ba;     /* 政务蓝 */
    --c-primary-d:#0a3d91;   /* 深蓝 */
    --c-primary-l:#2f74e0;   /* 亮蓝 */
    --c-bg:#eef4fc;          /* 浅蓝背景 */
    --c-bg2:#f5f9ff;
    --c-border:#cfe0f5;
    --c-red:#c8161d;         /* 中国红-CTA */
    --c-text:#222;
    --c-gray:#666;
    --c-gray2:#999;
    --radius:6px;
    --wrap:1200px;
}


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

html {
    scroll-behavior: smooth;
    overflow-x: hidden
}

body {
    font-family: "Microsoft YaHei", "微软雅黑", "PingFang SC", Arial, sans-serif;
    color: var(--c-text);
    font-size: 15px;
    line-height: 1.7;
    background: #fff;
    overflow-x: hidden
}

a {
    color: inherit;
    text-decoration: none;
    transition: color .2s
}

a:hover {
    color: var(--c-primary-l)
}

img {
    max-width: 100%;
    border: 0;
    vertical-align: middle
}

ul {
    list-style: none
}

.wrap {
    width: var(--wrap);
    max-width: 96%;
    margin: 0 auto
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all .25s;
    border: 2px solid transparent;
    line-height: 1;
    margin: 0
}

.btn-primary {
    background: var(--c-red);
    color: #fff;
    border-color: var(--c-red)
}

.btn-primary:hover {
    background: #a30f15;
    color: #fff;
    border-color: #a30f15
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: #fff
}

.btn-outline:hover {
    background: #fff;
    color: var(--c-primary);
    border-color: #fff
}

.btn-light {
    background: #fff;
    color: var(--c-primary);
    border-color: #fff
}

.btn-light:hover {
    background: #f0f6ff;
    color: var(--c-primary-d)
}