body {
    margin: 0;
    padding: 0;
    min-width: 1400px;
}

.navbar {
    position: fixed;
    /* min-width: 1280px; */
    width: 100%;
    height: 80px;
    background-color: #ffffff;
    z-index: 1000;
}

.navbar .navbackImg {
    margin: 0 auto;
    position: relative;
    width: 1400px;
    height: 80px;
    /* 左侧放代理商 logo 和软件品牌，垂直居中；
       原来挂在 #companyLogo 上的 margin:15px 0 0 80px 已挪到这里，
       改成 flex 居中后不再需要手写 margin-top */
    display: flex;
    align-items: center;
    padding-left: 80px;
    box-sizing: border-box;
    -webkit-user-drag: none;
    /* background-image: url("../img/img1/navbar.png"); */
    background-size: 1400px;
    background-repeat: no-repeat;
}

/* 代理商 logo + 软件品牌的组合。这一层是 common.js renderBrand() 找的钩子，
   天极渠道下 .software-brand 会被整块摘掉，只剩代理商 logo */
.navbar .brand {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: none;
}

/* 代理商 logo（由 common.js 的 renderLogo 现插，页面里不写死）：
   没有 logo 的渠道如 motingzhi 不会创建这个元素，后面的品牌块自动左移补位 */
.navbar #companyLogo {
    height: 42px;
    flex: none;
    cursor: pointer;
    -webkit-user-drag: none;
}

/* 软件品牌：图标 + 软件名 */
.navbar .software-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: none;
    font-size: 18px;
    font-weight: 700;
    color: #1d2129;
    line-height: 1.2;
    white-space: nowrap;
    user-select: none;
}

.navbar .software-brand .logo {
    width: 38px;
    height: 38px;
    flex: none;
    display: grid;
    place-items: center;
    overflow: hidden;
}

.navbar .software-brand .logo img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain; /* 原图 256x256 方图，缩到 38px 不裁切 */
    cursor: pointer;
    -webkit-user-drag: none;
}

.navbar .buttton {
    position: absolute;

    display: flex;
    justify-content: center;
    align-items: center;
    top: 16px;
    right: 100px;
    width: 128px;
    height: 46px;
    background: #00d1ae;
    border-radius: 8px 8px 8px 8px;
    font-size: 16px;
    line-height: 16px;
    color: #ffffff;
    cursor: pointer;
    user-select: none;
    z-index: 1000;
}

.navbar .buttton:hover {
    background: #44d4bc;
}

.block1 {
    padding-top: 80px;
    background-color: rgb(220, 235, 255);
}

.backImg {
    position: relative;
    display: flex;
    justify-content: center;

    overflow: hidden; /* 等价于原来背景在元素边界被裁掉；不依赖 body 的 overflow-x */
    -webkit-user-drag: none;
}
.backImgLayer {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1920px;
    height: 100%;
    object-fit: cover; /* 原图 3840x1440 缩到 1920 正好 720 高，与容器等高，不会裁内容 */
    z-index: 0;
    pointer-events: none; /* 纯装饰层：不吃点击，也不显手型光标 */
    -webkit-user-drag: none;
}
/* 内容层压在背景层之上 */
.backImg > :not(.backImgLayer) {
    position: relative;
    z-index: 1;
}
.backImg img:not(.backImgLayer) {
    cursor: pointer;
}

.block1 .inImg {
    width: 1400px;
    height: 720px;
    -webkit-user-drag: none;
}

.block1 .buttton {
    position: absolute;
    left: 60px;
    bottom: 180px;
    width: 284px;
    height: 72px;
    background: #00d1ae;
    border-radius: 12px 12px 12px 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    line-height: 30px;
    color: #ffffff;
    cursor: pointer;
    user-select: none;
}

.block1 .buttton:hover {
    background: #44d4bc;
}

.block2 {
    background-color: rgb(220, 235, 255);
}

.block2 .inImg {
    width: 1400px;
    height: 720px;
    -webkit-user-drag: none;
}

.block2 .buttton {
    position: absolute;
    right: 218px;
    bottom: 180px;
    width: 284px;
    height: 72px;
    background: #00d1ae;
    border-radius: 12px 12px 12px 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    line-height: 30px;
    color: #ffffff;
    cursor: pointer;
    user-select: none;
}

.block2 .buttton:hover {
    background: #44d4bc;
}

.block3 {
    background-color: rgb(220, 235, 255);
}

.block3 .inImg {
    width: 1400px;
    height: 720px;
    -webkit-user-drag: none;
}

.block3 .buttton {
    position: absolute;
    left: 60px;
    bottom: 180px;
    width: 284px;
    height: 72px;
    background: #00d1ae;
    border-radius: 12px 12px 12px 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    line-height: 30px;
    color: #ffffff;
    cursor: pointer;
    user-select: none;
}

.block3 .buttton:hover {
    background: #44d4bc;
}

/* 定义tab栏的样式 */
.tab {
    display: inline-block;
    width: 80px;
    height: 65px;
    padding: 20px 0 20px 0;
    margin-left: 80px;
    cursor: pointer;
    font-size: 14px;

    /* 添加线条的初始样式 */
    border-bottom: 2px solid transparent;
    transition: border-color 0.5s ease;
}

/* 定义选中tab栏的样式 */
.tab.active {
    border-bottom-color: #44d4bc;
    color: #44d4bc;
    /* 平滑过渡效果 */
}

/* 定义图片的样式 */
.image {
    display: none;
}

/* 定义选中tab栏对应图片的样式 */
.image.active {
    display: block;
}

.block4 {
    height: 870px;
    text-align: center;
}

.block4 img {
    -webkit-user-drag: none;

    margin: 0 auto;
    width: 1400px;
    height: 600px;
}

.block5 {
    display: flex;
    justify-content: center;
    position: relative;
}

.block5 .buttton {
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    width: 224px;
    height: 56px;
    background: #00d1ae;
    border-radius: 10px 10px 10px 10px;
    position: absolute;
    bottom: 40px;
    font-size: 20px;
    color: #ffffff;
}

.block5 .buttton:hover {
    background: #44d4bc;
}

.block5 img {
    -webkit-user-drag: none;
}

.bottom img {
    -webkit-user-drag: none;
}

.block6 {
    display: flex;
    justify-content: center;
}

.block5 img {
    -webkit-user-drag: none;
}

.tip_content {
    position: absolute;
    width: 400px;
    height: 168px;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.tip_content img {
    width: 78px;
    height: 78px;
}
.tip_content .green {
    color: #07c160;
}

.guide {
    position: absolute;
    width: 540px;
    height: 400px;
    top: 0;
    right: 1%;
    display: flex;
}
.guide .floatingWindow {
    width: 300px;
    height: 250px;
    margin-top: 20px;
}
.guide .arrow {
    width: 150px;
    height: 150px;
}
/* 页脚备案信息由 common.js 注入，内容里可能带 <a>；
   这里原来写成 .footer .a（类选择器，匹配 class="a"）从不命中，
   改成标签选择器，并去掉默认下划线，跟周围文字一样 */
.footer a{
  color: #86909C;
  text-decoration: none;
}

/* ============ 点击下载后的引导浮层 ============
   与 77/78 同款，仅去掉 78 用的 var(--font)——79 全站没定义字体变量 */
.download-guide {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
}
.download-guide.show {
    display: block;
}
.dg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .7);
    animation: dgFade .25s ease;
}
.dg-tip {
    position: absolute;
    top: 0;
    right: 60px;
    width: 494px;
    max-width: calc(100vw - 88px);
    animation: dgSlide .3s ease;
}
.dg-pointer {
    width: 21px;
    height: 16px;
    margin-left: auto;
    margin-right: 24px;
    background: #ebf1ff;
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}
.dg-card {
    margin-top: -1px;
    background: #ebf1ff;
    border-radius: 12px;
    padding: 16px 24px 24px;
    box-shadow: 0 16px 64px 0 rgba(0, 0, 0, .12);
}
.dg-title {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 48px;
    font-weight: 700;
    font-size: 20px;
    color: #1d2129;
    white-space: nowrap;
}
.dg-quote {
    color: #007aff;
}
.dg-icon {
    width: 48px;
    height: 48px;
    flex: none;
}
.dg-icon svg,
.dg-icon img {
    width: 100%;
    height: 100%;
    display: block;
}
.dg-file {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    margin-top: 16px;
    background: #fff;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    line-height: 24px;
    color: #1d2129;
    white-space: nowrap;
    overflow: hidden;
}
.dg-file img {
    width: 28px;
    height: 28px;
    flex: none;
    border-radius: 6px;
}
.dg-file span {
    overflow: hidden;
    text-overflow: ellipsis;
}
.dg-safe {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 24px;
    font-weight: 500;
    font-size: 12px;
    line-height: 20px;
    color: #1d2129;
    white-space: nowrap;
}
.dg-safe svg,
.dg-safe img {
    width: 20px;
    height: 20px;
    flex: none;
}
.dg-trust {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 12px;
    white-space: nowrap;
}
.dg-trust > img {
    height: 38.4px;
    width: auto;
    flex: none;
    background: #fff;
    border-radius: 4px;
}
@keyframes dgFade {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes dgSlide {
    from { opacity: 0; transform: translateY(-16px); }
    to { opacity: 1; transform: translateY(0); }
}