/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

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

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

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* 隐藏滚动条但保留功能 */
.scrollbar-hide::-webkit-scrollbar {
    display: none;
}

.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* 导航栏样式 */
header {
    transition: all 0.3s ease;
}

header.scrolled {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* 按钮样式 */
.btn-primary {
    background-color: #2563eb;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn-secondary {
    background-color: transparent;
    color: #2563eb;
    padding: 0.75rem 1.5rem;
    border: 1px solid #2563eb;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #2563eb;
    color: white;
}

/* 卡片样式 */
.card {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transform: translateY(-5px);
}

/* 表单样式 */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* 标题样式 */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 3rem;
    height: 0.25rem;
    background-color: #2563eb;
}

/* 轮播图样式 */
.carousel {
    position: relative;
    overflow: hidden;
}

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-item {
    flex: 0 0 100%;
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 2.5rem;
    height: 2.5rem;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-control:hover {
    background-color: white;
    transform: translateY(-50%) scale(1.1);
}

.carousel-control-prev {
    left: 1rem;
}

.carousel-control-next {
    right: 1rem;
}

/* 标签样式 */
.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: #e5e7eb;
    color: #4b5563;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

/* 图标样式 */
.icon-box {
    width: 3rem;
    height: 3rem;
    background-color: #eff6ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

/* 时间线样式 */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0.25rem;
    height: 100%;
    background-color: #e5e7eb;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -2rem;
    width: 1rem;
    height: 1rem;
    background-color: #2563eb;
    border-radius: 50%;
    border: 0.25rem solid white;
}

/* 响应式样式 */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

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

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* 加载动画 */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.spinner {
    animation: spin 1s linear infinite;
}

/* 滚动动画 */
.scroll-animate {
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 产品卡片样式 */
.product-card {
    position: relative;
    overflow: hidden;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

/* 案例卡片样式 */
.case-card {
    position: relative;
    overflow: hidden;
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: all 0.3s ease;
}

/* 新闻卡片样式 */
.news-card {
    transition: all 0.3s ease;
}

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

/* 服务流程样式 */
.process-step {
    position: relative;
}

.process-step::after {
    content: '';
    position: absolute;
    top: 3rem;
    left: 1.5rem;
    width: 0.25rem;
    height: calc(100% - 3rem);
    background-color: #e5e7eb;
}

.process-step:last-child::after {
    display: none;
}

/* 常见问题样式 */
.faq-item {
    border-bottom: 1px solid #e5e7eb;
}

.faq-question {
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: #2563eb;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer.active {
    max-height: 500px;
}

/* 页脚样式 */
footer {
    background-color: #1f2937;
    color: #d1d5db;
}

footer a:hover {
    color: white;
}

/* 悬浮转化栏样式 */
.floating-bar {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: white;
    border-radius: 9999px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    z-index: 50;
    transition: all 0.3s ease;
}

.floating-bar:hover {
    transform: translateX(-50%) translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    max-width: 90%;
    width: 500px;
    transform: scale(0.9);
    transition: all 0.3s ease;
}

.modal.active .modal-content {
    transform: scale(1);
}

/* 标签页样式 */
.tab-nav {
    display: flex;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 1.5rem;
}

.tab-nav-item {
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
}

.tab-nav-item.active {
    color: #2563eb;
    border-bottom-color: #2563eb;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.pagination-item {
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-item:hover {
    background-color: #f3f4f6;
}

.pagination-item.active {
    background-color: #2563eb;
    color: white;
    border-color: #2563eb;
}

/* 搜索框样式 */
.search-box {
    position: relative;
}

.search-box input {
    padding-left: 2.5rem;
}

.search-box i {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    color: #9ca3af;
}

/* 智能窗饰动画 */
@keyframes slide {
    0% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-10px);
    }
    100% {
        transform: translateX(0);
    }
}

.animate-slide {
    animation: slide 3s ease-in-out infinite;
}

/* 数字增长动画 */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.count-animation {
    animation: countUp 0.5s ease forwards;
}

/* 滚动指示器 */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background-color: #2563eb;
    z-index: 100;
    transition: width 0.1s ease;
}

/* 响应式导航 */
.mobile-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    height: 100%;
    background-color: white;
    z-index: 100;
    transition: all 0.3s ease;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.mobile-nav.active {
    left: 0;
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1f2937;
        color: #f3f4f6;
    }
    
    .card {
        background-color: #374151;
        box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    }
    
    .form-input {
        background-color: #374151;
        border-color: #4b5563;
        color: #f3f4f6;
    }
    
    .section-title {
        color: #f3f4f6;
    }
    
    .tag {
        background-color: #4b5563;
        color: #d1d5db;
    }
    
    .icon-box {
        background-color: #374151;
    }
    
    .timeline::before {
        background-color: #4b5563;
    }
    
    .faq-item {
        border-bottom-color: #4b5563;
    }
    
    .tab-nav {
        border-bottom-color: #4b5563;
    }
    
    .pagination-item {
        border-color: #4b5563;
        background-color: #374151;
        color: #d1d5db;
    }
    
    .pagination-item:hover {
        background-color: #4b5563;
    }
}

/* 打印样式 */
@media print {
    header,
    footer,
    .floating-bar,
    .btn-primary,
    .btn-secondary {
        display: none;
    }
    
    .container {
        width: 100%;
        max-width: none;
        padding: 0;
    }
    
    a {
        text-decoration: none;
        color: inherit;
    }
}