/* CSS Document */
html {
    text-align: center;
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

body {
    min-width: 1000px;
}

a {
    text-decoration: none !important;
    color: #000;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

h1 {
    color: #222222;
    font-size: 36px;
    font-weight: bold;
    text-shadow: 1px 1px 3px #333;
}

h2 {
    color: #222222;
    font-size: 24px;
    font-weight: bold;
    text-shadow: 1px 1px 2px #333;
}

h3 {
    color: #333333;
    font-size: 18px;
    font-weight: bold;
    text-shadow: 0 1px 1px #666;
}
h4 {
    color: #333333;
    font-size: 16px;
    font-weight: bold;
    line-height: 30px;
}

hr {
    width: 90%;
    border: none;
    border-top: 1px dashed #333;

}

/*==首页产品卡片==*/
.cp-list {
    width: 960px;
    margin: 80px auto;
}

.cp-list .card {
    display: grid;
    grid-template-columns: repeat(4, 240px);
    grid-template-rows: repeat(1, 240px);
    overflow: hidden;
}

.cp-list .card img {
    width: 180px;
}

.cp-list .card a {
    font-size: 16px;
    color: #ffffff;
    text-shadow: 0 1px 1px #333;
}

.cp-list .card img:hover {
    width: 200px;
}

.cp-list .card1 {
    border-right: 1px solid #dddddd;
    background-color: #ff6600;
    padding: 10px;
}

.cp-list .card2 {
    background-color: #333333;
    padding: 10px;
}

.cp-list .card img {
    margin: 0 auto;
}

.cp-list .card1:hover {
    background-color: #ff9900;
}

.cp-list .card2:hover {
    background-color: #444444;
}

/*==首页资料卡片==*/
.zl-list {
    width: 803px;
    margin: 80px auto;
}

.zl-list .card {
    display: grid;
    grid-template-columns: repeat(3, 400px 3px 400px);
    grid-template-rows: repeat(1, 140px);
    font-size: 16px;
    color: #222222;
}

.zl-list .card1 {
    padding-top: 30px;
}

.zl-list .card2 {
    border-radius: 1px;
    background-color: #eeeeee;
}

.public {
    width: 980px;
    margin: 50px auto;
}

.public img {
    margin: 20px auto;
    border-radius: 4px;
    max-width: 850px;
}

.public hr {
    margin: 10px auto;
}

.public .title_txt {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    text-align: left;
    margin: 10px 0 0 15px;
}

.public .dl_txt {
    width: 95%;
    color: #000;
    text-indent: 2em;
    text-align: left;
    margin: 5px auto;
}

.public .dw_txt {
    color: #000;
    text-align: right;
    margin-right: 15px;
}

.public .zs_txt {
    color: #333;
    font-size: 12px;
    text-align: left;
    margin-left: 10px;
}

.public .zd_txt {
    margin: 10px auto;
}

.public .zd_txt P {
    color: #333;
    font-size: 16px;
    font-weight: bold;
    text-align: left;
    line-height: 30px;
}

.public .zd_txt a:hover {
    color: #ff6600;
    font-size: large;
    border-bottom: #ff6600 1px solid;
}

.public .a-a {
    display: grid;
    grid-gap: 10px;
    grid-template-columns: 1fr 1fr;
}

.public .a-a img {
    margin: 0 auto;
}

/*==选项卡==*/
.layui-tabs {
    width: 980px;
}

.layui-tabs .layui-tabs-header {
    text-align: left;
}

#demoTabsHeader .layui-btn.layui-this {
    border-color: #eee;
    color: unset;
    background: none;
}

#demoTabsBody .test-item {
    display: none;
}

.layui-btn-container {
    margin-top: 10px;
}

.layui-tabs-header li {
    position: relative;
    display: inline-block;
    vertical-align: middle;
    line-height: 40px;
    margin: 0 !important;
    padding: 0 16px;
    text-align: center;
    color: #333333;
    cursor: pointer;
    font-size: 14px;
    -webkit-transition: all .16s;
    transition: all .16s
}

.layui-tabs-header .layui-this, .layui-tabs-header li:hover {
    color: #ff6600
}

.layui-btn-container .layui-btn {
    font-size: 16px;
    font-weight: bold;
    text-shadow: 0 1px 1px #666;
    border: none;
    border-radius: 4px;
}

.layui-btn-container .layui-btn {
    background-color: #999;
}

.layui-btn-container .layui-btn:hover {
    background-color: #ff6600;
}

#demoTabsHeader .layui-btn.layui-this {
    background-color: #ff6600 !important;
    color: #fff !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

.layui-tabs-card > .layui-tabs-header .layui-this:after {
    border: 1px solid #ff6600 !important;
    border-bottom-color: #fff !important;
    border-radius: 5px 5px 0 0 !important;
}

.layui-nav .layui-this:after, .layui-nav-bar {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 3px;
    background-color: #333 !important; //导航栏下划线颜色
    -webkit-transition: all .2s;
    transition: all .2s;
    pointer-events: none
}

/*==联系方式==*/
.contactus {
    margin: 30px auto 0;
}

.contactus ul {
    width: 680px;
    text-align: left;
    margin: 20px auto;
}

.contactus ul li {
    font-size: 18px;
}

.contactus ul li:hover a {
    color: #ff6600;
    font-weight: bold;
    border-bottom: 1px solid #ff6600;
}

.contactus img {
    border-radius: 15px;
    border: 1px solid #dddddd;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

/*==产品图片展示==*/
.gallery {
    width: 100%;
    max-width: 600px; /* 最大宽度保持 600px */
    margin: 50px auto;
    padding: 0 10px; /* 防止贴边 */
    box-sizing: border-box;
}

/* 主图：高度自适应或保持比例，这里保持你的正方形设定 */
#main-img {
    width: 100%; /* 改为百分比，适应容器 */
    height: auto; /* 高度自动，保持比例 */
    aspect-ratio: 1 / 1; /* 强制保持 1:1 正方形比例，如果不需要可删除 */
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #ddd;
    display: block; /* 消除图片底部的微小间隙 */
}

/* 缩略图容器：居左排列 */
.thumbs {
    width: 100%;
    display: inline-block;
    flex-wrap: wrap;
    text-align: left !important;
}

/* 缩略图单项 */

.thumb {
    width: 69px;
    height: 69px;
    object-fit: cover;
    cursor: pointer;
    border-radius: 4px;
    opacity: 0.6;
    /* 优化过渡效果，指定属性性能更好 */
    transition: opacity 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    border: 2px solid transparent;
    box-sizing: border-box; /* 确保边框包含在宽高内 */
}

/* 交互状态 */

.thumb:hover {
    opacity: 1;
    transform: scale(1.05); /* 悬停轻微放大，增强反馈 */
}

.thumb.active {
    opacity: 1;
    border-color: #0066ff;
    transform: scale(1.05); /* 选中态也保持轻微放大，或根据喜好移除 */
}

/* 内容分页 */
/* 图文分页-样式 */

.section {
    display: none;
    animation: fadeSlide 0.3s ease;
}

.section.active {
    display: block;
}

/* 分页信息 */

.page-indicator {
    text-align: center;
    font-size: 12px;
    color: #555;
    margin-bottom: 10px;
}

.pagination-public {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.page-btn {
    min-width: 44px;
    height: 36px;
    border: none;
    border-radius: 5px;
    background: #9e9e9e;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    text-shadow: 0 1px 1px #666;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    user-select: none;
    padding: 0 18px;
    margin-top: 20px;
    margin-bottom: 20px;
    white-space: nowrap;
}

.page-btn:hover {
    background: #ff7700;
    color: #fff;
}

.page-btn.active {
    background: #ff7700;
    color: #fff;
    pointer-events: none;
    border: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

.page-info {
    text-align: center;
    font-size: 0.78rem;
    color: #333;
    margin-bottom: 10px;
}