/* 
 * 数字枣阳 - 科技蓝明亮主题完整版
 * 包含：明亮科技蓝配色 + 全屏动态粒子背景
 */

/* ============================================
   1. 基础重置与变量
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 - 明亮科技蓝 */
    --primary-color: #0066ff;
    --primary-light: #3399ff;
    --primary-lighter: #66b3ff;
    --primary-dark: #0052cc;

    /* 辅助色 - 霓虹蓝绿 */
    --secondary-color: #00ffcc;
    --secondary-light: #66ffd9;
    --secondary-dark: #00cca3;

    /* 背景色 - 明亮渐变蓝 */
    --bg-body: #f0f8ff;
    --bg-card: #ffffff;
    --bg-section: rgba(255, 255, 255, 0.85);
    --bg-dark: #1a3a5f;

    /* 文字色 */
    --text-dark: #1a3a5f;
    --text-gray: #667799;
    --text-light: #ffffff;
    --text-accent: #0066ff;

    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #0066ff 0%, #00ccff 100%);
    --gradient-secondary: linear-gradient(135deg, #00ffcc 0%, #0099ff 100%);
    --gradient-light: linear-gradient(135deg, #f0f8ff 0%, #ffffff 100%);
    --gradient-card: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%);

    /* 阴影 */
    --shadow-light: 0 5px 25px rgba(0, 102, 255, 0.1);
    --shadow-medium: 0 10px 40px rgba(0, 102, 255, 0.15);
    --shadow-heavy: 0 20px 60px rgba(0, 102, 255, 0.2);

    /* 边框 */
    --border-light: 1px solid rgba(0, 102, 255, 0.1);
    --border-medium: 1px solid rgba(0, 102, 255, 0.2);
    --border-glow: 1px solid rgba(0, 255, 204, 0.3);
}

/* 全屏粒子背景 */
#particles-js {
    position: fixed !important;
    width: 100% !important;
    height: 100% !important;
    top: 0 !important;
    left: 0 !important;
    z-index: -1 !important;
    opacity: 0.7 !important;
    /* 增加透明度 */
    background: transparent !important;
}

#particles-js canvas {
    position: fixed !important;
    width: 100% !important;
    height: 100% !important;
    top: 0 !important;
    left: 0 !important;
    z-index: -1 !important;
    display: block !important;
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: transparent !important;
    /* 改为透明 */
    overflow-x: hidden;
    position: relative;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 100px;
    position: relative;
    z-index: 2;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-lg-1,
.col-lg-2,
.col-lg-3,
.col-lg-4,
.col-lg-5,
.col-lg-6,
.col-lg-7,
.col-lg-8,
.col-lg-9,
.col-lg-10,
.col-lg-11,
.col-lg-12,
.col-md-1,
.col-md-2,
.col-md-3,
.col-md-4,
.col-md-5,
.col-md-6,
.col-md-7,
.col-md-8,
.col-md-9,
.col-md-10,
.col-md-11,
.col-md-12,
.col-sm-1,
.col-sm-2,
.col-sm-3,
.col-sm-4,
.col-sm-5,
.col-sm-6,
.col-sm-7,
.col-sm-8,
.col-sm-9,
.col-sm-10,
.col-sm-11,
.col-sm-12 {
    padding: 0 15px;
}

.col-lg-1 {
    width: 8.33%;
}

.col-lg-2 {
    width: 16.66%;
}

.col-lg-3 {
    width: 25%;
}

.col-lg-4 {
    width: 33.33%;
}

.col-lg-5 {
    width: 41.66%;
}

.col-lg-6 {
    width: 50%;
}

.col-lg-7 {
    width: 58.33%;
}

.col-lg-8 {
    width: 66.66%;
}

.col-lg-9 {
    width: 75%;
}

.col-lg-10 {
    width: 83.33%;
}

.col-lg-11 {
    width: 91.66%;
}

.col-lg-12 {
    width: 100%;
}

/* 工具类 */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

.mt-3 {
    margin-top: 3rem;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-3 {
    margin-bottom: 3rem;
}

.py-1 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.py-2 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.py-3 {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.ms-2 {
    margin-left: 0.5rem;
}

.me-2 {
    margin-right: 0.5rem;
}

/* ============================================
   2. 按钮样式
   ============================================ */
.tech-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    font-size: 16px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.tech-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
    z-index: -1;
}

.tech-btn:hover::before {
    left: 100%;
}

.tech-btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-light);
}

.tech-btn-primary:hover {
    background: var(--gradient-primary);
    opacity: 0.9;
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.tech-btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.tech-btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-light);
}

.tech-btn-lg {
    padding: 16px 40px;
    font-size: 18px;
}

.tech-btn-sm {
    padding: 10px 24px;
    font-size: 14px;
}

/* ============================================
   3. 主导航栏
   ============================================ */
.tech-header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: var(--border-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.tech-header.scrolled {
    top: 0;
    box-shadow: var(--shadow-medium);
}

.tech-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    height: 80px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 100px;
}

.tech-logo {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 15px 0;
}

.tech-logo img {
    height: 50px;
    transition: transform 0.3s;
}

.tech-logo img:hover {
    transform: scale(1.05);
}

.tech-menu {
    display: flex;
    list-style: none;
    gap: 2px;
    margin: 0;
    padding: 0;
    height: 100%;
}

.tech-menu-item {
    position: relative;
    display: flex;
    align-items: center;
}

.tech-menu-link {
    display: flex;
    align-items: center;
    padding: 0 24px;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    height: 50px;
    line-height: 50px;
}

.tech-menu-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left 0.4s;
    z-index: -1;
}

.tech-menu-link:hover::before {
    left: 0;
}

.tech-menu-link:hover {
    color: white;
    background: rgba(0, 102, 255, 0.1);
}

.tech-menu-item.active .tech-menu-link {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
    border-radius: 0;
    background: transparent;
}

.tech-menu-icon {
    margin-right: 8px;
    font-size: 16px;
}

.tech-dropdown-toggle {
    margin-left: 8px;
    transition: transform 0.3s;
    font-size: 12px;
}

.tech-menu-item:hover .tech-dropdown-toggle {
    transform: rotate(180deg);
}

.tech-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border: var(--border-light);
    border-radius: 12px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-heavy);
    z-index: 1000;
    margin-top: 0;
}

.tech-menu-item:hover .tech-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.tech-dropdown-item {
    display: block;
}

.tech-dropdown-link {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    color: var(--text-dark) !important;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    background: transparent;
}

.tech-dropdown-link:hover {
    background: var(--gradient-light);
    color: var(--primary-color) !important;
    padding-left: 30px;
}

.tech-dropdown-icon {
    margin-right: 12px;
    font-size: 12px;
    color: var(--primary-color);
}

.tech-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: all 0.3s;
    height: 40px;
    width: 40px;
    align-items: center;
    justify-content: center;
}

.tech-menu-toggle:hover {
    background: rgba(0, 102, 255, 0.1);
}

/* ============================================
   4. 主要内容区域
   ============================================ */
.tech-main-content {
    min-height: calc(100vh - 200px);
    margin-top: 55px;
    position: relative;
    z-index: 1;
    background: transparent;
    /* 改为透明 */
}

/* ============================================
   5. 轮播图区域
   ============================================ */
.rs-hostlab-slider {
    position: relative;
    margin-top: 20px;
    background: transparent;
    height: 500px;
    overflow: hidden;
    z-index: 2;
}

/* 移除原有的渐变背景覆盖 */
.rs-hostlab-slider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3) !important;
    /* 改为深色半透明覆盖，增强文字可读性 */
    z-index: 1;
}

.slider-carousel {
    height: 100%;
}

.single-slider {
    height: 500px;
    display: flex;
    align-items: center;
    position: relative;
    /* 背景图片设置 - 填充而不平铺 */
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover; /* 关键：填充整个容器 */
    background-attachment: scroll;
}

.content-inner {
    position: relative;
    z-index: 2;
    width: 100%;
}

.slider-text {
    padding: 40px;
    background: rgba(255, 255, 255, 0.9) !important;
    /* 增强文字背景不透明度 */
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: var(--border-light);
    box-shadow: var(--shadow-heavy);
    border: var(--border-glow);
}

.sl-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-dark);
    background: linear-gradient(to right, var(--text-dark), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sl-title span {
    color: var(--primary-color);
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sl-price {
    font-size: 1.3rem;
    color: var(--text-dark) !important;
    /* 改为深色文字，在白色背景下更清晰 */
    margin-bottom: 10px;
    line-height: 1.6;
}

.single-slider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 204, 255, 0.1) 100%);
    z-index: 1;
}

/* 确保内容在背景之上 */
.single-slider .content-inner {
    position: relative;
    z-index: 2;
}

.single-slider {
    animation: zoomIn 20s infinite alternate ease-in-out;
}

/* Owl Carousel 导航按钮 */
.owl-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 40px;
    transform: translateY(-50%);
    z-index: 10;
}

.owl-prev,
.owl-next {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(10px);
    border: var(--border-light) !important;
    color: var(--primary-color) !important;
    font-size: 24px !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.owl-prev:hover,
.owl-next:hover {
    background: var(--gradient-primary) !important;
    color: white !important;
    transform: scale(1.1);
    box-shadow: var(--shadow-medium);
}

/* Owl Carousel 指示器 */
.owl-dots {
    position: absolute;
    bottom: 40px;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 12px;
}

.owl-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 102, 255, 0.3) !important;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.owl-dot.active {
    background: var(--primary-color) !important;
    transform: scale(1.2);
    border-color: white;
}

/* 轮播图动画 */
.wow.fadeInRight {
    animation: fadeInRight 1s ease;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   6. 核心业务区域
   ============================================ */
.tech-section {
    padding: 100px 0;
    position: relative;
    background: var(--bg-section);
    backdrop-filter: blur(5px);
}

.tech-section-title {
    text-align: center;
    margin-bottom: 60px;
}

.tech-section-subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.tech-section-heading {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
    background: linear-gradient(to right, var(--text-dark), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-section-desc {
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.tech-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.tech-service-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: var(--border-light);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
    height: 100%;
    box-shadow: var(--shadow-light);
}

.tech-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s;
}

.tech-service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-heavy);
}

.tech-service-card:hover::before {
    opacity: 1;
}

.tech-service-card.highlight {
    background: rgba(0, 102, 255, 0.05);
    border-color: rgba(0, 102, 255, 0.2);
}

.tech-service-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 36px;
    color: white;
}

.tech-service-1 .tech-service-icon {
    background: var(--gradient-primary);
}

.tech-service-2 .tech-service-icon {
    background: var(--gradient-secondary);
}

.tech-service-3 .tech-service-icon {
    background: linear-gradient(135deg, #8a2be2 0%, #a855f7 100%);
}

.tech-service-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.tech-service-desc {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 25px;
}

.tech-service-features {
    list-style: none;
    margin-bottom: 30px;
}

.tech-service-feature {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    color: var(--text-gray);
    font-size: 15px;
}

.tech-service-feature i {
    color: var(--secondary-color);
    margin-right: 12px;
    font-size: 14px;
}

.tech-service-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s;
}

.tech-service-link:hover {
    color: var(--primary-dark);
    transform: translateX(8px);
}

.tech-service-link i {
    margin-left: 8px;
    transition: transform 0.3s;
}

.tech-service-link:hover i {
    transform: translateX(4px);
}

/* ============================================
   7. 解决方案区域
   ============================================ */
.tech-solutions {
    background: rgba(230, 242, 255, 0.85);
}

.tech-solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.tech-solution-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: var(--border-light);
    border-radius: 20px;
    padding: 35px;
    display: flex;
    align-items: flex-start;
    gap: 25px;
    transition: all 0.4s;
    box-shadow: var(--shadow-light);
}

.tech-solution-item:hover {
    transform: translateY(-8px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-heavy);
}

.tech-solution-icon {
    width: 70px;
    height: 70px;
    border-radius: 18px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    flex-shrink: 0;
}

.tech-solution-content {
    flex: 1;
}

.tech-solution-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.tech-solution-desc {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.tech-solution-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    display: inline-block;
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary-color);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(0, 102, 255, 0.2);
}

/* ============================================
   8. 新闻动态
   ============================================ */
.tech-news-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
}

.tech-news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.tech-news-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: var(--border-light);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s;
    height: 100%;
    box-shadow: var(--shadow-light);
}

.tech-news-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-heavy);
}

.tech-news-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.tech-news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.tech-news-date {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 102, 255, 0.9);
    color: white;
    padding: 12px;
    border-radius: 12px;
    text-align: center;
    min-width: 70px;
    backdrop-filter: blur(10px);
}

.tech-news-day {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

.tech-news-month {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
}

.tech-news-content {
    padding: 30px;
}

.tech-news-category {
    margin-bottom: 12px;
}

.tech-news-cat {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.tech-news-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.4;
}

.tech-news-card-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s;
}

.tech-news-card-title a:hover {
    color: var(--primary-color);
}

.tech-news-excerpt {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 15px;
}

.tech-news-meta {
    display: flex;
    gap: 20px;
    color: var(--text-gray);
    font-size: 14px;
}

.tech-news-meta i {
    margin-right: 6px;
    color: var(--primary-color);
}

/* ============================================
   9. 合作伙伴
   ============================================ */
.tech-partners {
    background: rgba(230, 242, 255, 0.85);
}

.tech-partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.tech-partner-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: var(--border-light);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    transition: all 0.3s;
    box-shadow: var(--shadow-light);
}

.tech-partner-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-medium);
}

.tech-partner-icon {
    font-size: 48px;
    color: var(--primary-color);
}

.tech-partner-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    text-align: center;
}

/* ============================================
   10. 页脚
   ============================================ */
.tech-footer {
    background: rgba(26, 58, 95, 0.95);
    border-top: var(--border-light);
    padding-top: 80px;
    position: relative;
    z-index: 3;
}

.tech-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
}

.tech-footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 60px;
}

.tech-footer-logo {
    margin-bottom: 20px;
}

.tech-footer-logo img {
    height: 50px;
}

.tech-footer-about {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 15px;
}

.tech-footer-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: white;
    position: relative;
    padding-bottom: 15px;
}

.tech-footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
}

.tech-footer-links {
    list-style: none;
}

.tech-footer-link {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.tech-footer-link a {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 15px;
}

.tech-footer-link a:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.tech-footer-link i {
    color: var(--secondary-color);
    margin-right: 12px;
    font-size: 12px;
}

.tech-contact-info p {
    display: flex;
    align-items: flex-start;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 18px;
    font-size: 15px;
}

.tech-contact-info i {
    color: var(--secondary-color);
    margin-right: 12px;
    margin-top: 3px;
    font-size: 16px;
}

.tech-copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
    text-align: center;
}

.tech-copyright-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.tech-copyright-text a {
    color: var(--secondary-color);
    text-decoration: none;
}

.tech-copyright-text a:hover {
    text-decoration: underline;
}

/* ============================================
   11. 返回顶部按钮
   ============================================ */
.tech-back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
}

.tech-back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.tech-back-to-top:hover {
    background: var(--gradient-primary);
    opacity: 0.9;
    transform: translateY(-5px);
}

/* ============================================
   12. 响应式设计
   ============================================ */

/* 平板电脑 */
@media (max-width: 1400px) {

    .container,
    .tech-nav {
        padding: 0 60px;
    }
}

@media (max-width: 1200px) {

    .container,
    .tech-nav {
        padding: 0 40px;
    }

    .tech-section-heading {
        font-size: 2.5rem;
    }

    .tech-services-grid,
    .tech-solutions-grid,
    .tech-news-grid {
        grid-template-columns: 1fr;
    }

    .tech-solutions-grid {
        grid-template-columns: 1fr;
    }

    .sl-title {
        font-size: 2.8rem;
    }
}

/* 平板竖屏 */
@media (max-width: 768px) {

    .container,
    .tech-nav {
        padding: 0 20px;
    }

    .tech-header {
        height: 70px;
    }

    .tech-nav {
        height: 70px;
    }

    .tech-logo {
        padding: 10px 0;
    }

    .tech-logo img {
        height: 40px;
    }

    .tech-main-content {
        margin-top: 70px;
    }

    .tech-section {
        padding: 70px 0;
        background: rgba(255, 255, 255, 0.92);
    }

    .tech-section-heading {
        font-size: 2.2rem;
    }

    .rs-hostlab-slider,
    .single-slider {
        height: 500px;
    }

    .rs-hostlab-slider {
        margin-top: 70px;
    }

    .sl-title {
        font-size: 2.2rem;
    }

    .sl-price {
        font-size: 1.1rem;
    }

    .slider-text {
        padding: 25px;
    }

    .owl-nav {
        padding: 0 20px;
    }

    .owl-prev,
    .owl-next {
        width: 50px;
        height: 50px;
        font-size: 20px !important;
    }

    .owl-dots {
        bottom: 20px;
    }

    /* 移动端菜单 */
    .tech-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 280px;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        transition: left 0.3s;
        overflow-y: auto;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        border-right: var(--border-light);
        align-items: stretch;
        gap: 0;
    }

    .tech-menu.active {
        left: 0;
    }

    .tech-menu-item {
        width: 100%;
        display: block;
        margin-bottom: 5px;
    }

    .tech-menu-link {
        width: 100%;
        height: auto;
        line-height: normal;
        padding: 15px;
        margin-bottom: 5px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .tech-menu-item.active .tech-menu-link {
        border-bottom: none;
        border-left: 3px solid var(--primary-color);
    }

    .tech-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: rgba(0, 102, 255, 0.05);
        margin-top: 5px;
        margin-left: 15px;
        display: none;
        width: calc(100% - 30px);
    }

    .tech-dropdown-menu.active {
        display: block;
    }

    .tech-dropdown-toggle {
        cursor: pointer;
    }

    .tech-menu-toggle {
        display: flex;
    }

    .tech-hero-actions {
        flex-direction: column;
    }

    .tech-btn {
        width: 100%;
        justify-content: center;
    }

    .tech-news-header {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }

    .tech-footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .tech-back-to-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}

/* 手机 */
@media (max-width: 480px) {

    .container,
    .tech-nav {
        padding: 0 15px;
    }

    .tech-hero-title {
        font-size: 2.2rem;
    }

    .tech-section-heading {
        font-size: 2rem;
    }

    .tech-service-card,
    .tech-solution-item,
    .tech-news-card {
        padding: 25px;
    }

    .tech-hero-badge {
        padding: 8px 20px;
    }

    .tech-hero-badge-text {
        font-size: 12px;
    }

    .tech-services-grid {
        grid-template-columns: 1fr;
    }

    .rs-hostlab-slider,
    .single-slider {
        height: 400px;
    }

    .sl-title {
        font-size: 1.8rem;
    }

    .slider-text {
        padding: 20px;
    }
}

/* 去掉tech-section-subtitle后的间距调整 */
.tech-section-title {
    margin-bottom: 50px; /* 从60px减少到50px */
}

.tech-section-heading {
    margin-bottom: 15px; /* 从20px减少到15px */
}

/* 新闻卡片调整，去掉meta信息后的间距优化 */
.tech-news-excerpt {
    margin-bottom: 10px; /* 从20px减少到10px */
}

.tech-news-content {
    padding: 25px 30px; /* 从30px减少到25px */
}

/* 移动端适配调整 */
@media (max-width: 768px) {
    .tech-section-title {
        margin-bottom: 40px; /* 移动端也相应调整 */
    }
    
    .tech-news-content {
        padding: 20px 25px; /* 移动端调整 */
    }
}

@media (max-width: 480px) {
    .tech-section-title {
        margin-bottom: 30px; /* 手机端调整 */
    }
}
/* ============================================
   13. 列表页面特定样式
   ============================================ */

/* 面包屑导航 */
.tech-breadcrumb {
    margin-bottom: 30px;
    padding-top: 20px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    margin-bottom: 0;
    list-style: none;
    background: transparent;
    border-radius: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item {
    padding-left: 0;
}

.breadcrumb-item + .breadcrumb-item::before {
    display: none;
}

.breadcrumb-item a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
}

.breadcrumb-item i {
    font-size: 12px;
    color: var(--text-gray);
    margin: 0 10px;
}

.breadcrumb-item.active {
    color: var(--primary-color);
    font-weight: 500;
}

/* 页面标题区域 */
.tech-page-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: var(--border-light);
}

.tech-page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
    line-height: 1.2;
}

.tech-page-description {
    color: var(--text-gray);
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 800px;
}

/* 分页样式 */
.tech-pagination {
    margin-top: 60px;
    text-align: center;
}

.pagination {
    display: inline-flex;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagination li {
    display: inline-block;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.95);
    border: var(--border-light);
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    font-size: 15px;
}

.pagination a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.pagination .active a,
.pagination .active span {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
}

.pagination .disabled a,
.pagination .disabled span {
    opacity: 0.5;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.5);
}

.pagination .prev a,
.pagination .next a {
    min-width: 100px;
}

/* 新闻卡片标题修复 */
.tech-news-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.4;
}

.tech-news-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s;
}

.tech-news-title a:hover {
    color: var(--primary-color);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .tech-page-title {
        font-size: 2rem;
    }
    
    .tech-page-description {
        font-size: 1rem;
    }
    
    .tech-breadcrumb {
        margin-bottom: 20px;
        padding-top: 10px;
    }
    
    .tech-pagination {
        margin-top: 40px;
    }
    
    .pagination a,
    .pagination span {
        min-width: 36px;
        height: 36px;
        font-size: 14px;
        padding: 0 12px;
    }
    
    .pagination .prev a,
    .pagination .next a {
        min-width: 80px;
    }
    
    .tech-page-header {
        margin-bottom: 30px;
        padding-bottom: 15px;
    }
}

@media (max-width: 480px) {
    .tech-page-title {
        font-size: 1.6rem;
    }
    
    .tech-pagination {
        margin-top: 30px;
    }
    
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pagination li {
        margin-bottom: 5px;
    }
}