/* 企业官网样式表
* 基于Bootstrap 5定制
* 设计色彩: 蓝色, 黑色, 灰色, 白色
* 字体: 思源黑体, 微软雅黑
*/

/* 基础样式 */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: "思源黑体", "微软雅黑", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* 导航栏样式 */
.navbar {
    background: linear-gradient(135deg, #0d6efd 0%, #0056b3 100%);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(13, 110, 253, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}


/* Logo样式 */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.9;
}

.logo-icon {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(135deg, #fff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0;
    color: white;
}

.logo-subtitle {
    font-size: 0.7rem;
    font-weight: 400;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 1px;
}

.logo-icon {
    font-size: 1.8rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #fff;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 80%;
}

.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.9);
}

.navbar-nav .nav-link.active {
    color: #fff;
    font-weight: 600;
}

.navbar-nav .nav-link.active::after {
    width: 80%;
}

/* 搜索框样式 */
.search-form {
    margin-right: 1rem;
}

.search-form .form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    width: 200px;
    transition: all 0.3s ease;
}

.search-form .form-control:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.1);
}

.search-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-form .btn {
    padding: 0.375rem 0.75rem;
    border-color: rgba(255, 255, 255, 0.3);
}

.search-form .btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

/* 语言切换样式 */
.language-switcher .btn {
    padding: 0.375rem 1rem;
    font-size: 0.875rem;
    border-color: rgba(255, 255, 255, 0.3);
}

.language-switcher .btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

/* 首屏样式 */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 0;
}

/* 轮播图样式 */
.hero-slider {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 0;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    z-index: 2;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%);
}

.hero-slide-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: #fff;
    padding: 0 20px;
}

.hero-slide-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-slide-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 轮播指示器 */
.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.hero-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}

.hero-indicator.active {
    background: #fff;
    transform: scale(1.2);
}

/* 轮播箭头 */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    color: #fff;
    font-size: 1.5rem;
}

.hero-arrow:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.hero-arrow.prev {
    left: 20px;
}

.hero-arrow.next {
    right: 20px;
}

/* 背景轮播 */
.hero-backgrounds {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-bg-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    animation: backgroundFade 15s infinite;
}

.hero-bg-slide:nth-child(1) {
    animation-delay: 0s;
}

.hero-bg-slide:nth-child(2) {
    animation-delay: 5s;
}

.hero-bg-slide:nth-child(3) {
    animation-delay: 10s;
}

@keyframes backgroundFade {
    0%, 33% { opacity: 1; }
    33.1%, 100% { opacity: 0; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-top: 80px;
}

/* 动态宣传语 */
.hero-slogan-container {
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slogan-text {
    background: linear-gradient(135deg, #ffd700 0%, #ffaa00 50%, #ff6b6b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* 行动号召按钮 */
.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cta-btn {
    background: linear-gradient(135deg, #ff6b6b, #ff8e53);
    border: none;
    animation: pulse 2s infinite;
}

.cta-btn:hover {
    background: linear-gradient(135deg, #ff5252, #ff7043);
}

.btn-icon {
    font-size: 1.2rem;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* 统计数据 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    color: #fff;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 500;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 13px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; top: 6px; }
    100% { opacity: 0; top: 20px; }
}

/* 服务展示区域 */
.services-section {
    background: #fff;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 3rem;
}

.service-card {
    background: #fff;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 1rem;
}

.service-description {
    color: #6c757d;
    margin-bottom: 1.5rem;
}

.service-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.service-link:hover {
    color: #0056b3;
}

/* 核心优势区域 */
.advantages-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.advantage-card {
    background: #fff;
    border-radius: 1rem;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0d6efd, #0056b3);
    transition: left 0.3s ease;
}

.advantage-card:hover::before {
    left: 0;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1);
}

.advantage-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 1rem;
}

.advantage-description {
    color: #6c757d;
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

/* 客户案例展示区域 */
.clients-section {
    background: #fff;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    align-items: center;
    justify-items: center;
}

.client-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 120px;
    width: 100%;
    transition: all 0.3s ease;
}

.client-logo {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 1rem;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.client-item:hover .client-logo {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.client-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #495057;
    text-align: center;
}

.clients-stats {
    font-size: 1.2rem;
    color: #6c757d;
    font-weight: 500;
}

.clients-stats .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* 优势展示区域 */
.features-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.feature-list {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-right: 1.5rem;
    min-width: 60px;
}

.feature-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: #6c757d;
    margin: 0;
}

.feature-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(13, 110, 253, 0.3);
}

.stat-item {
    text-align: center;
    color: #fff;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 页脚样式 */
.footer {
    background: #212529;
    color: #fff;
    padding: 3rem 0 1.5rem;
}

.footer h5 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: #fff;
}

.footer p {
    color: #adb5bd;
    margin-bottom: 0.5rem;
}

.footer a {
    color: #adb5bd;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #fff;
}

.footer hr {
    border-color: #495057;
    margin: 2rem 0;
}

/* 卡片样式 */
.card {
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-title {
    font-weight: 600;
    color: var(--primary-color);
}

/* 特色图标样式 */
.feature-icon {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 按钮样式 */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0056b3, #004085);
    transform: translateY(-2px);
}

/* 页脚样式 */
footer {
    margin-top: auto;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .navbar-nav {
        text-align: center;
    }
    
    /* 轮播图响应式 */
    .hero-slide-content h1 {
        font-size: 2rem;
    }
    
    .hero-slide-content p {
        font-size: 1rem;
    }
    
    .hero-arrow {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .hero-arrow.prev {
        left: 10px;
    }
    
    .hero-arrow.next {
        right: 10px;
    }
    
    .hero-indicator {
        width: 10px;
        height: 10px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .hero-slide-content h1 {
        font-size: 1.5rem;
    }
    
    .hero-slide-content p {
        font-size: 0.9rem;
    }
}

/* 404/500错误页面样式 */
.vh-100 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.display-1 {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* 表单样式 */
.form-control {
    border-radius: 0.375rem;
    border: 1px solid #dee2e6;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* API测试区域样式 */
#apiResult {
    transition: all 0.3s ease;
}

pre {
    background: #1a1a1a;
    color: #f8f9fa;
    border-radius: 0.375rem;
    font-size: 0.875rem;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}