/* ========== 基础样式 ========== */
body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', sans-serif;
    transition: filter 0.3s ease, background-color 0.3s ease;
    color: #333;
    background-color: #f7f8fa;
    line-height: 1.7;
    font-size: 14px;
}
/* 夜间模式：颜色反相+护眼深色背景 */
body.night-mode {
    filter: invert(0.95) hue-rotate(180deg);
    background-color: #121212 !important;
}

/* 排除媒体元素+登录渐变栏的反相（避免渐变栏颜色异常） */
body.night-mode img,
body.night-mode video,
body.night-mode iframe,
body.night-mode canvas,
body.night-mode svg,
body.night-mode .login-bar-container { /* 排除渐变登录栏反相 */
    filter: invert(0.95) hue-rotate(180deg);
}

/* 夜间模式切换按钮样式（适配登录栏的btn-sm btn-link风格） */
#nightModeToggle {
    transition: color 0.3s ease;
}

/* 夜间模式下按钮文字/图标颜色适配（和登录按钮统一） */
body.night-mode #nightModeToggle {
    color: #fff !important; /* 夜间模式下图标变白，适配深色背景 */
}

/* 按钮hover效果（和周围登录/注册按钮一致） */
#nightModeToggle:hover {
    color: #647eff !important;
}
.top-login a:hover{
    color: #fff !important; /*#007bff*/
}

.diy-h1{
    background: linear-gradient(80deg, #66a9ff, #20a53a 35%, #c97fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.diy-h2{
    background: linear-gradient(80deg, #66a9ff, #548dff 35%, #c97fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
/* ========== 导航栏样式 ========== */
.navbar {
    background-color: #fff !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    padding: 0.75rem 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-brand img {
    margin-right: 12px;
    height: 40px;
    width: auto;
}

.navbar-brand span {
    color: #2c3e50;
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    color: #5a6c7d !important;
    padding: 0.75rem 1.25rem !important;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
}

.navbar-nav .nav-link:hover {
    color: #007bff !important;
    border-bottom-color: #007bff;
}

.navbar-nav .nav-link.active {
    color: #007bff !important;
    border-bottom-color: #007bff;
}

.navbar-toggler {
    border-color: rgba(0, 123, 255, 0.25);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(0, 123, 255, 0.5)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

#slides:hover{
    background-color: #FA532F;
    transform: scale(1.5);
    transition: transform 0.3s ease;
}
    /* 联系我们定位的右侧垂直居中，跟随滚动 */
    .chat-fixed {
        position: fixed;
        right: 20px; /* 距离右侧20px，可调整 */
        top: 50%;    /* 垂直居中基准 */
        transform: translateY(-50%); /* 精准垂直居中 */
        /* 限制移动端宽度，避免遮挡 */
        max-width: 160px;
    }
    /* 移动端适配：小屏幕缩小间距和二维码尺寸 */
    @media (max-width: 768px) {
        .chat-fixed {
            right: 10px;
        }
        .chat-fixed .weixin img {
            width: 100px !important;
            height: 100px !important;
        }
    }
/* ========== 页脚样式 ========== */
footer {
    background-color: #212529;
    color: #adb5bd;
}

footer h5 {
    color: #fff;
    margin-bottom: 1rem;
}

footer a {
    color: #adb5bd;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #fff;
    text-decoration: none;
}

footer ul li {
    margin-bottom: 0.5rem;
}

footer hr {
    border-color: #495057;
}

/* ========== 企业数据展示 ========== */
.bg-light {
    background-color: #f7f8fa !important;
}

.data-item {
    padding: 2.5rem 1.25rem;
    background-color: transparent;
    text-align: center;
    transition: all 0.3s ease;
    border-radius: 0;
    box-shadow: none;
    border-right: 1px solid #d9e1e7;
}

.data-item:last-child {
    border-right: none;
}

.data-item:hover {
    transform: translateY(0);
    background-color: rgba(0, 123, 255, 0.05);
}

.data-item h3 {
    font-size: 2.75rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.data-item p {
    margin: 0;
    color: #7f8c8d;
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========== 解决方案卡片 ========== */
.solution-card {
    padding: 2.25rem 1.75rem;
    background-color: #ffffff;
    border-radius: 4px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    text-align: left;
    color: #2c3e50;
    border: 1px solid #e8ecef;
    border-left: 4px solid #3498db;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.solution-card:hover {
    transform: translateY(-3px);
    background-color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: #3498db;
    border-left-width: 5px;
}

.solution-card h3 {
    color: #2c3e50;
    margin-bottom: 1.25rem;
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.3;
}

.solution-card p {
    color: #7f8c8d;
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========== 产品服务卡片 ========== */
.product-card {
    padding: 2.25rem 1.75rem;
    background-color: #fff;
    border-radius: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid #dde6e9;
    min-height: 260px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
    border-color: #2980b9;
}

.product-card h4 {
    color: #1a5276;
    margin-bottom: 1.25rem;
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.3;
}

.product-card p {
    color: #7f8c8d;
    margin: 0;
    font-size: 1rem;
    line-height: 1.6;
}

/* ========== 客户案例卡片 ========== */
.case-card {
    padding: 1.75rem 1.5rem;
    background-color: #ffffff;
    border-radius: 4px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    text-align: left;
    height: 100%;
    border: 1px solid #e8ecef;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.case-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: #3498db;
}

.case-card p {
    color: #7f8c8d;
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    font-style: normal;
}

/* ========== 品牌认可 ========== */
.brand-logo {
    padding: 1.25rem 0.75rem;
    background-color: transparent;
    border-radius: 0;
    box-shadow: none;
    transition: all 0.3s ease;
    text-align: center;
    border: none;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
}

.brand-logo:hover {
    transform: translateY(-3px);
    opacity: 1;
}

.brand-logo img {
    max-height: 50px;
    max-width: 100%;
    object-fit: contain;
}

.brand-logo p {
    margin: 0.5rem 0 0 0;
    color: #666;
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========== 新闻资讯卡片 ========== */
.news-card {
    background-color: #fff;
    border-radius: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #eaeaea;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    border-color: #2c3e50;
}

.news-card .news-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.news-card:hover .news-image {
    transform: scale(1.05);
}

.news-card .news-content {
    padding: 1.2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card h4 {
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    transition: color 0.3s ease;
    height: auto;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.news-card:hover h4 {
    color: #3498db;
}

.news-card p {
    color: #7f8c8d;
    margin-bottom: 1.2rem;
    font-size: 0.875rem;
    line-height: 1.7;
    height: auto;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    flex: 1;
}

.news-date {
    color: #95a5a6;
    font-size: 0.8rem;
    font-weight: 400;
    display: block;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.news-card .news-footer {
    margin-top: auto;
    padding-top: 1rem;
}

.news-card .read-more {
    color: #3498db;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-card .read-more:hover {
    color: #2c3e50;
    text-decoration: underline;
}

/* ========== 按钮样式 ========== */
.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    color: #fff;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-transform: none;
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.25);
}

.btn-primary:hover {
    background-color: #0069d9;
    border-color: #0062cc;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
}

.btn-primary:focus, .btn-primary:active {
    background-color: #0056b3;
    border-color: #0056b3;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
    transform: translateY(0);
}

.btn-light {
    background-color: #fff;
    border-color: #e9ecef;
    color: #2c3e50;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.btn-light:hover {
    background-color: #f8f9fa;
    border-color: #dee2e6;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
}

.btn-lg {
    padding: 1rem 2.5rem !important;
    font-size: 1.1rem !important;
}

/* ========== 回到顶部按钮样式 ========== */
.btn-floating {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 52px;
    height: 52px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1080;
    font-size: 1.25rem;
}

.btn-floating:hover {
    background-color: #0069d9;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 123, 255, 0.4);
    color: #fff;
}

.btn-floating.show {
    opacity: 1;
    visibility: visible;
}

/* ========== 表单样式 ========== */
.form-control {
    border: 1px solid #e1e8ed;
    border-radius: 4px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    transition: all 0.3s ease;
    box-shadow: none;
}

.form-control:focus {
    border-color: #007bff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    background-color: #fff;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: inline-block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2c3e50;
}

/* ========== 备案信息样式 ========== */
footer .text-muted a {
    color: #adb5bd;
    text-decoration: none;
}

footer .text-muted a:hover {
    color: #fff;
    text-decoration: underline;
}

/* ========== 关于我们页面样式 ========== */

.about-hero {
    padding: 100px 0;
    text-align: center;
}

.about-hero h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #1d2129;
    margin-bottom: 20px;
}

.about-hero p {
    font-size: 1rem;
    color: #4e5969;
    line-height: 1.8;
    margin-bottom: 15px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
}

.section-title h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1d2129;
    margin-bottom: 10px;
}

.section-title p {
    color: #86909c;
    font-size: 0.95rem;
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: #e5e6eb;
}

.timeline-item {
    padding: 15px 0;
    width: 50%;
    position: relative;
}

.timeline-item.left {
    padding-right: 40px;
    left: 0;
    text-align: right;
}

.timeline-item.right {
    padding-left: 40px;
    left: 50%;
    text-align: left;
}

.timeline-item::before {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgb(25, 102, 255);
    border-radius: 50%;
    top: 22px;
}

.timeline-item.left::before {
    right: -5px;
}

.timeline-item.right::before {
    left: -5px;
}

.timeline-content {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-3px);
}

.timeline-year {
    color: rgb(25, 102, 255);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-content h4 {
    color: #1d2129;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-content p {
    color: #4e5969;
    font-size: 0.875rem;
    margin-bottom: 0;
    line-height: 1.6;
}

.team-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease;
    height: 100%;
}

.team-card:hover {
    transform: translateY(-5px);
}

.team-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.team-info {
    padding: 20px;
    text-align: center;
}

.team-info h4 {
    color: #1d2129;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.team-position {
    color: rgb(25, 102, 255);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.team-info p:last-child {
    color: #86909c;
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.honor-item {
    background: #fff;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease;
    height: 100%;
}

.honor-item:hover {
    transform: translateY(-5px);
}

.honor-item i {
    font-size: 2rem;
    color: rgb(25, 102, 255);
    margin-bottom: 15px;
}

.honor-item h4 {
    color: #1d2129;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.honor-item p {
    color: #86909c;
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* ========== 服务页面样式 ========== */

.page-title {
    /*background: linear-gradient(135deg, rgb(25, 102, 255) 0%, #FA532F 100%);*/
    background-image:url(//lwwl.top/assets/images/d.png);
    background-size:100% 100%;background-repeat: no-repeat;
    padding: 100px 0;
    text-align: center;
    color: #000;
    margin-bottom: 40px;
}

.page-title h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 10px;
    background: linear-gradient(80deg, #66a9ff, #548dff 35%, #c97fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-title p {
    font-size: 1rem;
    opacity: 0.95;
}

.service-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgb(25, 102, 255) 0%, rgb(77, 138, 255) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 1.75rem;
    color: #fff;
}

.service-card h3 {
    color: #1d2129;
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card p {
    color: #86909c;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.service-link {
    color: rgb(25, 102, 255);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: gap 0.3s ease;
}

.service-link:hover {
    gap: 8px;
}

.service-detail {
    padding: 60px 0;
}

.service-detail-img {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.service-detail-img img {
    width: 100%;
    height: auto;
    display: block;
}

.service-detail-content {
    padding: 20px 0 20px 30px;
}

.service-detail-content h3 {
    color: #1d2129;
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.service-detail-content > p {
    color: #4e5969;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-advantage {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}

.service-advantage i {
    color: rgb(25, 102, 255);
    font-size: 1.25rem;
}

.service-advantage span {
    color: #4e5969;
    font-size: 0.95rem;
}

/* ========== 联系我们页面样式 ========== */

.contact-container {
    padding: 40px 0 60px;
}

.contact-info-card {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    height: fit-content;
}

.contact-info-card h3 {
    color: #1d2129;
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px 0;
    border-bottom: 1px solid #f2f3f5;
}

.contact-info-item:last-of-type {
    border-bottom: none;
}

.contact-info-item i {
    color: rgb(25, 102, 255);
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.contact-info-item p {
    color: #4e5969;
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}

.contact-info-item a {
    color: rgb(25, 102, 255);
    text-decoration: none;
}

.contact-info-item a:hover {
    text-decoration: underline;
}

.contact-form-card {
    background: #fff;
    border-radius: 12px;
    padding: 35px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.contact-form-card h3 {
    color: #1d2129;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 25px;
}

.form-label {
    color: #4e5969;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-control {
    border: 1px solid #e5e6eb;
    border-radius: 8px;
    padding: 12px 15px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: rgb(25, 102, 255);
    box-shadow: 0 0 0 3px rgba(25, 102, 255, 0.1);
}

.form-control::placeholder {
    color: #86909c;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background: linear-gradient(135deg, rgb(25, 102, 255) 0%, rgb(77, 138, 255) 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 14px 40px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(25, 102, 255, 0.3);
}

.map-container {
    margin-top: 30px;
    height: 600px !important;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ========== 登录注册页面样式 ========== */

.login-container,
.register-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 15px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
}

.login-card,
.register-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    padding: 45px 40px;
    width: 100%;
    max-width: 450px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover,
.register-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
}

.login-logo,
.register-logo {
    text-align: center;
    margin-bottom: 35px;
}

.login-logo img,
.register-logo img {
    max-width: 80px;
    height: auto;
    margin-bottom: 15px;
    border-radius: 8px;
}

.login-logo h2,
.register-logo h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1d2129;
    margin: 0;
}

.login-card .form-label,
.register-card .form-label {
    color: #4e5969;
    font-weight: 500;
    margin-bottom: 10px;
    font-size: 0.95rem;
    display: block;
}

.login-card .form-control,
.register-card .form-control {
    border: 1px solid #e5e6eb;
    border-radius: 10px;
    padding: 14px 16px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: #fafbfc;
}

.login-card .form-control:focus,
.register-card .form-control:focus {
    border-color: rgb(25, 102, 255);
    box-shadow: 0 0 0 4px rgba(25, 102, 255, 0.1);
    background: #fff;
    outline: none;
}

.login-card .form-control::placeholder,
.register-card .form-control::placeholder {
    color: #b8b9bf;
}

.login-card .mb-3,
.register-card .mb-3 {
    margin-bottom: 22px;
}

.form-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    border: 2px solid #dcdfe6;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-check-input:checked {
    background-color: rgb(25, 102, 255);
    border-color: rgb(25, 102, 255);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(25, 102, 255, 0.15);
}

.form-check-label {
    color: #6c757d;
    font-size: 0.9rem;
    cursor: pointer;
    user-select: none;
}

.form-option > a {
    color: rgb(25, 102, 255);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.form-option > a:hover {
    color: #1966ff;
    text-decoration: underline;
}

.login-btn,
.register-btn {
    background: linear-gradient(135deg, rgb(25, 102, 255) 0%, rgb(77, 138, 255) 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 16px 40px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    display: block;
    text-align: center;
    letter-spacing: 1px;
}

.login-btn:hover,
.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(25, 102, 255, 0.35);
    background: linear-gradient(135deg, rgb(20, 90, 230) 0%, rgb(70, 130, 250) 100%);
}

.login-btn:active,
.register-btn:active {
    transform: translateY(0);
}

.register-link,
.login-link {
    text-align: center;
    margin-top: 25px;
    color: #6c757d;
    font-size: 0.95rem;
}

.register-link a,
.login-link a {
    color: rgb(25, 102, 255);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.register-link a:hover,
.login-link a:hover {
    color: #1966ff;
    text-decoration: underline;
}

/* ========== 注册页面专用样式 ========== */

.code-input {
    display: flex;
    gap: 12px;
}

.code-input .form-control {
    flex: 1;
}

.send-code-btn {
    background: linear-gradient(135deg, #20c997 0%, #12b886 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 14px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
    min-width: 120px;
}

.send-code-btn:hover {
    background: linear-gradient(135deg, #1db386 0%, #0fa876 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(32, 201, 151, 0.3);
}

.send-code-btn:disabled,
.send-code-btn.disabled {
    background: #e9ecef;
    color: #adb5bd;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.pwd-strength {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.strength-item {
    flex: 1;
    height: 4px;
    background: #e9ecef;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.strength-item.active:nth-child(1) {
    background: linear-gradient(90deg, #dc3545, #ff6b6a);
}

.strength-item.active:nth-child(2) {
    background: linear-gradient(90deg, #ffc107, #ffcd39);
}

.strength-item.active:nth-child(3) {
    background: linear-gradient(90deg, #28a745, #34ce57);
}

.protocol {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 25px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
}

.protocol input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: rgb(25, 102, 255);
}

.protocol label {
    color: #6c757d;
    font-size: 0.9rem;
    line-height: 1.6;
    cursor: pointer;
}

.protocol label a {
    color: rgb(25, 102, 255);
    text-decoration: none;
    transition: color 0.2s ease;
}

.protocol label a:hover {
    color: #1966ff;
    text-decoration: underline;
}
.carousel-caption{
    bottom: 30%;
    left: 0%;
}
.carousel-caption h1{
    background: linear-gradient(130deg,  #548dff 50%, #c97fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
/* ========== 响应式设计 ========== */
/* 针对小屏幕平板设备 (max-width: 768px) */
/* ========== 响应式设计基础 ========== */
/* 针对小屏幕平板设备 (max-width: 768px) */
@media (max-width: 768px) {
    .section{display:none;}
  /* 轮播图区域适配 */
  .carousel img {
      height: 350px;
  }
  .carousel-caption {
      padding: 0.5rem;
      bottom: 25%;
      left: 5%;
  }
  .carousel-caption h1 {
      font-size: 1.25rem;
      margin-bottom: 0.75rem;
  }
  .carousel-caption h5 {
      font-size: 1.25rem;
      margin-bottom: 0.75rem;
  }
  .carousel-caption p {
      font-size: 0.875rem;
      margin-bottom: 1rem;
      max-width: 90%;
  }
  .carousel-control-prev,
  .carousel-control-next {
      width: 10%;
  }
  .carousel-control-prev-icon,
  .carousel-control-next-icon {
      width: 30px;
      height: 30px;
  }

  /* 数据展示项适配 */
  .data-item {
      padding: 1.5rem 1rem;
      margin-bottom: 1rem;
      border-right: none;
      border-bottom: 1px solid #d9e1e7;
  }
  .data-item:last-child {
      border-bottom: none;
  }

  /* 各类卡片通用边距调整 */
  .solution-card,
  .product-card,
  .case-card,
  .news-card {
      padding: 1.5rem 1rem;
      margin-bottom: 1rem;
  }

  /* 品牌Logo区域适配 */
  .brand-logo {
      padding: 1rem;
      margin-bottom: 1rem;
      min-height: 80px;
  }
  .brand-logo img {
      max-height: 40px;
  }

  /* 新闻卡片图片高度调整 */
  .news-card .news-image {
      height: 150px;
  }
  
  #soft{padding-top:0px;}
}

/* 针对超小屏幕手机设备 (max-width: 576px) */
@media (max-width: 576px) {
  /* 导航栏品牌标识调整 */
     .navbar-brand {
      font-size: 1.25rem;
     }
     .navbar-brand img {
      height: 30px;
     }
     .navbar-nav .nav-link {
      padding: 0.5rem 1rem !important;
      font-size: 0.9rem;
      }
    
     /* 轮播图进一步精简 */
     .carousel img {
      height: 250px;
      }
    .carousel-caption h1 {
        font-size: 1.6rem !important;
    }
    
    .carousel-caption h5 {
        font-size: 1.05rem !important;
    }
    
    .carousel-caption p {
        font-size: 0.9rem !important;
    }
    
    .carousel-caption {
    padding: 25px 20px;
    bottom: 30px;
    left: 30px;
    right: 30px;
        }
  .carousel-indicators li {
      width: 8px;
      height: 8px;
      margin-right: 6px;
      margin-left: 6px;
  }
  .carousel-indicators li.active {
      width: 20px;
  }

  /* 浮动按钮缩小 */
  .btn-floating {
      width: 40px;
      height: 40px;
      right: 15px;
      bottom: 15px;
      font-size: 1rem;
  }

  /* 数据展示项文字缩小 */
  .data-item h3 {
      font-size: 1.5rem;
  }
  .data-item p {
      font-size: 0.85rem;
  }

  /* 各类卡片内边距与文字优化 */
  .solution-card {
      padding: 1.5rem 1rem;
      min-height: 180px;
  }
  .solution-card h3 {
      font-size: 1.25rem;
      margin-bottom: 1rem;
  }
  .product-card {
      padding: 1.25rem 0.875rem;
      min-height: 200px;
  }
  .product-card h4 {
      font-size: 1.1rem;
      margin-bottom: 1rem;
  }
  .product-card p {
      font-size: 0.9rem;
  }
  .case-card {
      padding: 1.25rem 0.875rem;
      min-height: 150px;
  }
  .case-card p {
      font-size: 0.9rem;
  }
  .news-card {
      padding: 1.25rem 0.875rem;
  }
  .news-card .news-image {
      height: 120px;
  }
  .news-card h4 {
      font-size: 1.1rem;
      margin-bottom: 0.75rem;
  }
  .news-card p {
      font-size: 0.875rem;
      margin-bottom: 1rem;
  }
  .news-date {
      font-size: 0.75rem;
      margin-bottom: 0.5rem;
  }
  .news-card .read-more {
      font-size: 0.85rem;
  }

  /* 通用标题缩小 */
  h2 {
      font-size: 1.75rem;
      margin-bottom: 2rem;
  }
}

/* ========== 特定页面响应式适配 ========== */
/* 关于我们、服务、联系我们等页面的平板适配 (max-width: 992px) */
@media (max-width: 992px) {
  .about-hero {
      padding: 80px 0;
  }
  /* 时间轴调整为左侧单线布局 */
  .timeline::before {
      left: 20px;
  }
  .timeline-item {
      width: 100%;
      padding-left: 50px !important;
      padding-right: 0 !important;
      text-align: left !important;
  }
  .timeline-item::before {
      left: 15px !important;
      right: auto !important;
  }
  
      /* 时间轴区块整体调整 */
    section.py-5 {
        padding: 2.5rem 0 !important;
        background-size: cover !important;
        background-position: center !important;
    }
    
    /* 标题区域调整 */
    .text-center.mb-5 {
        margin-bottom: 2rem !important;
        padding: 0 1rem;
    }
    
    .text-center.mb-5 h3 {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
        line-height: 1.3;
    }
    
    .text-center.mb-5 p {
        font-size: 0.9rem;
        line-height: 1.5;
        color: #666;
        margin-bottom: 0;
    }
    
    /* 时间轴容器调整 */
    .timeline {
        position: relative;
        padding: 0 1rem;
        max-width: 100%;
        margin: 0 auto;
    }
    
    /* 移除中间的时间轴线 */
    .timeline::before {
        display: none;
    }
    
    /* 时间轴项目统一调整 */
    .timeline-item {
        width: 100% !important;
        padding: 0 !important;
        margin-bottom: 1.5rem;
        position: relative;
        text-align: left !important;
        left: 0 !important;
        right: 0 !important;
    }
    
    /* 移除左右侧特定样式 */
    .timeline-item.left,
    .timeline-item.right {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    
    /* 移除时间轴节点圆点 */
    .timeline-item::before {
        display: none;
    }
    
    /* 时间轴内容卡片样式 */
    .timeline-content {
        background: #fff;
        border-radius: 12px;
        padding: 1.25rem;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
        border-left: 4px solid #007bff;
        position: relative;
        transition: all 0.3s ease;
    }
    
    .timeline-content:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    }
    
    /* 年份样式 */
    .timeline-year {
        display: inline-block;
        background: linear-gradient(135deg, #007bff, #00bfff);
        color: #fff;
        padding: 0.25rem 0.75rem;
        border-radius: 20px;
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 0.75rem;
    }
    
    /* 标题样式 */
    .timeline-content h4 {
        font-size: 1.1rem;
        font-weight: 600;
        color: #2c3e50;
        margin-bottom: 0.5rem;
        line-height: 1.4;
    }
    
    /* 内容文本样式 */
    .timeline-content p {
        color: #5a6c7d;
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 0;
    }
    
    /* 添加时间轴连接线（可选装饰） */
    .timeline-item:not(:last-child) .timeline-content::after {
        content: '';
        position: absolute;
        bottom: -1.5rem;
        left: 50%;
        transform: translateX(-50%);
        width: 2px;
        height: 1.5rem;
        background: linear-gradient(to bottom, #007bff, rgba(0, 123, 255, 0.3));
    }
  /* 服务详情内容区取消左侧内边距 */
  .service-detail-content {
      padding: 30px 0 0 0;
  }
}

/* 关于我们、服务、联系我们等页面的手机适配 (max-width: 768px) */
@media (max-width: 768px) {
  .about-hero {
      padding: 40px 0;
  }
  .about-hero h2 {
      font-size: 1.5rem;
  }
  .about-hero p {
      font-size: 0.95rem;
  }
  .section-title h3 {
      font-size: 1.3rem;
  }
  /* 时间轴内容区缩小内边距 */
  .timeline-content {
      padding: 15px;
  }
  .timeline-content h4 {
      font-size: 0.95rem;
  }
  /* 团队卡片限制最大宽度并居中 */
  .team-card {
      max-width: 400px;
      margin: 0 auto;
  }
  /* 服务页面标题区 */
  .page-title {
      padding: 80px 0;
  }
  .page-title h2 {
      font-size: 1.5rem;
  }
  .page-title p {
      font-size: 0.95rem;
  }
  /* 服务卡片限制最大宽度并居中 */
  .service-card {
      padding: 25px 20px;
      max-width: 400px;
      margin: 0 auto;
  }
  .service-icon {
      width: 60px;
      height: 60px;
  }
  .service-icon i {
      font-size: 1.5rem;
  }
  .service-detail {
      padding: 50px 0;
  }
  .service-detail-content h3 {
      font-size: 1.2rem;
  }
  /* 联系页面 */
  .contact-container {
      padding: 30px 0 50px;
  }
  .contact-info-card,
  .contact-form-card {
      padding: 25px 20px;
  }
  .map-container {
      height: 300px;
      margin-top: 30px;
  }
}

/* 关于我们、服务、联系我们等页面的超小屏幕适配 (max-width: 576px) */
@media (max-width: 576px) {
  .about-hero h2 {
      font-size: 1.3rem;
  }
  .timeline-content h4 {
      font-size: 0.9rem;
  }
  .service-card h3 {
      font-size: 1.05rem;
  }
  .service-detail-content h3 {
      font-size: 1.1rem;
  }
  .contact-form-card {
      padding: 20px 15px;
  }
  .map-container {
      height: 250px;
  }
}

/* ========== 登录注册页面响应式适配 ========== */
@media (max-width: 576px) {
  .login-card,
  .register-card {
      padding: 35px 25px;
  }
  .login-logo h2,
  .register-logo h2 {
      font-size: 1.25rem;
  }
  .login-card .mb-3,
  .register-card .mb-3 {
      margin-bottom: 18px;
  }
  .login-card .form-control,
  .register-card .form-control {
      padding: 12px 14px;
      font-size: 0.9rem;
  }
  .login-btn,
  .register-btn {
      padding: 14px 30px;
      font-size: 0.95rem;
  }
  /* 验证码输入区改为纵向排列 */
  .code-input {
      flex-direction: column;
      gap: 10px;
  }
  .send-code-btn {
      width: 100%;
  }
  .protocol {
      padding: 12px;
  }
  .protocol label {
      font-size: 0.85rem;
  }
}