/* 蓝色科技风主题样式 */

:root {
    --primary-blue: #1e3a8a;        /* 深蓝主色 */
    --secondary-blue: #3b82f6;      /* 亮蓝辅助色 */
    --accent-cyan: #06b6d4;         /* 青色点缀 */
    --dark-bg: #0f172a;             /* 深色背景 */
    --card-bg: #1e293b;             /* 卡片背景 */
    --text-primary: #f1f5f9;        /* 主文字色 */
    --text-secondary: #94a3b8;      /* 次要文字 */
    --border-color: #334155;        /* 边框色 */
}

/* 全局样式 - 覆盖橙色/红色链接 */
body {
    color: var(--text-primary);
}

body a {
    color: var(--text-primary);
}

body a:hover {
    color: var(--secondary-blue) !important;
}

p {
    color: var(--text-secondary);
}

/* 覆盖所有橙色/红色元素 */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary) !important;
}

.title-wthree {
    color: var(--text-primary) !important;
}

.title-wthree span {
    color: var(--secondary-blue) !important;
}

.sub-tittle,
.sub-tittle-2 {
    color: var(--text-secondary) !important;
}

/* 服务区域图标 */
.wthree_features_grid {
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-cyan)) !important;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.wthree_features_grid i {
    color: #fff !important;
}

/* 教育培训区域 */
.title-edu i,
.w3_agileits_services_grid i {
    color: var(--accent-cyan) !important;
}

.grid-flex {
    background: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-top: 4px solid var(--secondary-blue) !important;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.style-book-wthree i {
    color: rgba(255, 255, 255, 0.1) !important;
}

/* 覆盖橙色边框和强调色 */
.aboutbtm-head {
    color: var(--text-primary) !important;
}

.grids-agiles-one h5 {
    color: var(--text-primary) !important;
}

/* 计数器文字颜色 */
p.counter {
    color: var(--secondary-blue) !important;
}

/* 导航栏 */
header {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.8rem 2rem !important;
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
}

.navbar {
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-wrap: nowrap !important;
}

.logo {
    display: flex !important;
    align-items: center !important;
    flex-shrink: 0;
}

.navbar-brand {
    color: var(--secondary-blue) !important;
    font-weight: 600;
    font-size: 20px !important;
    letter-spacing: 1px;
    display: flex !important;
    align-items: center !important;
    padding: 0 !important;
    line-height: 1 !important;
    margin: 0 !important;
    font-family: 'Ubuntu', sans-serif !important;
}

.navbar-brand img {
    height: 40px;
    width: auto;
    margin-right: 10px;
    vertical-align: middle !important;
    display: inline-block !important;
}

.navbar-light .navbar-brand,
.navbar-light .navbar-brand:hover,
.navbar-light .navbar-brand:focus {
    color: var(--secondary-blue) !important;
}

.navbar-toggler {
    border-color: var(--secondary-blue) !important;
    padding: 0.25rem 0.5rem !important;
    margin-left: 1rem;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(59, 130, 246, 1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.collapse.navbar-collapse {
    flex-grow: 1;
    display: flex !important;
    justify-content: flex-end !important;
    align-items: center !important;
}

.nav-item .nav-link {
    color: var(--text-primary) !important;
    transition: all 0.3s ease;
    padding: 10px 18px !important;
    line-height: 1.5 !important;
    display: flex !important;
    align-items: center !important;
    margin: 0 5px !important;
}

.nav-item {
    display: flex !important;
    align-items: center !important;
    list-style: none;
}

.navbar-nav {
    display: flex !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
}

.dropdown-menu {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    margin-top: 0.5rem;
}

.dropdown-item {
    color: var(--text-primary);
    padding: 8px 20px;
}

.dropdown-item:hover {
    background: var(--primary-blue);
    color: var(--text-primary);
}

/* 标题样式 */
.title-wthree {
    color: var(--text-primary) !important;
}

.title-wthree span {
    color: var(--secondary-blue) !important;
}

.sub-tittle,
.sub-tittle-2 {
    color: var(--text-secondary) !important;
}

/* 客户评价区域 */
.testimonials {
    background: rgba(30, 41, 59, 0.95);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.testimonials .text-dark {
    color: var(--text-primary) !important;
}

.testimonials .title-wthree {
    color: var(--text-primary) !important;
}

/* 服务区域 - 保留背景图，添加蓝色叠加 */
.why-choose-agile {
    background: linear-gradient(rgba(30, 58, 138, 0.85), rgba(15, 23, 42, 0.9)), url(../images/bg2.jpg) no-repeat center !important;
    background-size: cover !important;
}

.why-choose-agile .text-white {
    color: var(--text-primary) !important;
}

.why-choose-agile .text-dark {
    color: var(--secondary-blue) !important;
}

.why-choose-agile p {
    color: var(--text-secondary) !important;
}

.wthree_features_grid {
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-cyan)) !important;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.wthree_features_grid i {
    color: #fff !important;
}

/* 教育培训区域 - 保留背景图，添加蓝色叠加 */
.info-w3layouts {
    background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(30, 58, 138, 0.85)), url(../images/bg4.jpg) no-repeat bottom !important;
    background-size: cover !important;
}

.info-w3layouts .text-dark {
    color: var(--text-primary) !important;
}

.info-w3layouts h5 {
    color: var(--text-primary) !important;
}

.w3l-overlay {
    background: transparent !important;
}

.grid-flex {
    background: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-top: 4px solid var(--secondary-blue) !important;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.title-edu i {
    color: var(--accent-cyan) !important;
}

.style-book-wthree i {
    color: rgba(255, 255, 255, 0.1) !important;
}

/* 项目展示区域 - 保留背景图，添加蓝色叠加 */
.gallery {
    background: linear-gradient(rgba(15, 23, 42, 0.92), rgba(30, 58, 138, 0.88)), url(../images/bg8.jpg) no-repeat center !important;
    background-size: cover !important;
}

/* 覆盖原有 da-thumbs 样式 */
.da-thumbs {
    list-style: none;
    position: relative;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.da-thumbs li {
    padding: 0;
    position: relative;
    width: 100%;
    text-align: center;
    display: block;
    overflow: hidden;
    border-radius: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* 悬浮特效 */
.da-thumbs li:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.4);
    border-color: var(--secondary-blue);
}

.da-thumbs li a {
    overflow: hidden;
    position: relative;
    display: block;
}

.da-thumbs li a,
.da-thumbs li a img {
    display: block;
    position: relative;
    width: 100%;
}

.da-thumbs li a:hover img {
    opacity: 1 !important;
}

/* 图片样式 */
.da-thumbs li img {
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block !important;
    width: 100% !important;
    position: relative;
    z-index: 1;
}

/* 图片悬浮放大效果 */
.da-thumbs li:hover img {
    transform: scale(1.1);
}

/* 覆盖层效果 */
.da-thumbs li a div {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.85);
    padding: 15px 16px;
    transform: translateY(0);
    transition: all 0.3s ease;
    z-index: 100;
}

.da-thumbs li:hover a div {
    background: rgba(30, 58, 138, 0.95);
}

.da-thumbs li a div h5 {
    color: var(--text-primary) !important;
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 6px !important;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.da-thumbs li a div p {
    color: var(--text-secondary) !important;
    font-size: 14px;
    margin: 0 !important;
    transition: color 0.3s ease;
}

.da-thumbs li:hover a div h5,
.da-thumbs li:hover a div p {
    color: #fff !important;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .da-thumbs {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .da-thumbs {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .da-thumbs li img {
        height: 180px;
    }
}

/* 关于我们区域 - 保留背景图，添加蓝色叠加 */
.mobile-trend-agile {
    background: linear-gradient(rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.95)), url(../images/bg8.jpg) no-repeat center !important;
    background-size: cover !important;
    border-top: 1px solid var(--border-color);
}

.mobile-trend-agile .text-dark {
    color: var(--text-primary) !important;
}

.mobile-trend-agile p {
    color: var(--text-secondary) !important;
}

.mobile-trend-agile h3 {
    color: var(--text-primary) !important;
}

/* 页脚 */
footer {
    background: var(--dark-bg);
    border-top: 1px solid var(--border-color);
}

footer p,
footer a {
    color: var(--text-secondary);
}

footer a:hover {
    color: var(--secondary-blue);
}

footer ul li {
    display: inline-block;
    margin-right: 15px;
}

footer ul li a {
    color: var(--text-secondary);
}

/* 社交图标 - 覆盖橙色/红色 */
.w3social-icons ul li a {
    color: var(--text-secondary) !important;
    background: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
}

.w3social-icons ul li a:hover {
    color: #fff !important;
    background: var(--secondary-blue) !important;
    border-color: var(--secondary-blue) !important;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.5) !important;
}

/* 覆盖所有橙色强调色 */
.copy-right-grids a {
    color: var(--text-secondary) !important;
}

.copy-right-grids a:hover {
    color: var(--secondary-blue) !important;
}

/* 按钮样式 */
.btn-sm.animated-button.thar-three {
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-cyan));
    border: none;
    color: #fff;
    padding: 10px 24px;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
}

.btn-sm.animated-button.thar-three:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6);
    color: #fff;
}

/* 粒子效果背景 - 添加蓝色叠加 */
#particles-js {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.6) 0%, rgba(30, 58, 138, 0.5) 100%);
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.main-content {
    position: relative;
}

/* Banner 文字 */
.banner-text h2 {
    color: #fff !important;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.mytext1,
.mytext2 {
    color: var(--secondary-blue) !important;
    text-shadow: 0 2px 10px rgba(59, 130, 246, 0.5);
}

.para-style {
    color: #e2e8f0 !important;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-blue);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* 返回顶部按钮 - 蓝色样式 */
#toTop {
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-cyan)) !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4) !important;
    transition: all 0.3s ease !important;
}

#toTop:hover {
    background: linear-gradient(135deg, var(--accent-cyan), var(--secondary-blue)) !important;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6) !important;
    transform: translateY(-3px) !important;
}

#toTop::before {
    content: '↑';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    text-indent: 0;
}