/* 全局样式 */
:root {
    --primary-color: #1a365d;
    --primary-light: #2d5a87;
    --primary-dark: #0f2a44;
    --secondary-color: #6c757d;
    --accent-color: #e53e3e;
    --accent-light: #fc8181;
    --success-color: #38a169;
    --info-color: #3182ce;
    --warning-color: #d69e2e;
    --danger-color: #e53e3e;
    --light-color: #f7fafc;
    --dark-color: #1a202c;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --gradient-primary: linear-gradient(135deg, #1a365d 0%, #2c5282 50%, #3182ce 100%);
    --gradient-hero: linear-gradient(135deg, #1a202c 0%, #2d3748 50%, #4a5568 100%);
    --gradient-accent: linear-gradient(135deg, #e53e3e 0%, #fc8181 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(26, 54, 93, 0.9) 0%, rgba(44, 82, 130, 0.8) 100%);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* 英雄区域样式 */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    z-index: 1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.02) 50%, transparent 60%);
    animation: heroPattern 20s ease-in-out infinite;
}

@keyframes heroPattern {

    0%,
    100% {
        opacity: 0.3;
        transform: translateX(0) translateY(0);
    }

    50% {
        opacity: 0.5;
        transform: translateX(-10px) translateY(-5px);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.1) 0%, rgba(44, 82, 130, 0.2) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
}

.hero-title {
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-stats {
    animation: fadeInUp 1s ease-out 0.6s both;
}

.stat-item {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', 'Segoe UI', Roboto, Arial, sans-serif;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

.hero-image {
    position: relative;
    z-index: 3;
    animation: fadeInRight 1s ease-out 0.3s both;
}

/* 导航栏样式 */
.navbar {
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-scrolled {
    background: rgba(26, 54, 93, 0.95) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-brand img {
    margin-right: 10px;
    transition: transform 0.3s ease;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    position: relative;
    border-radius: var(--border-radius-md);
}

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

.navbar-nav .nav-link:hover::before,
.navbar-nav .nav-link.active::before {
    width: 80%;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-lg);
    padding: 0.5rem 0;
    margin-top: 0.5rem;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border-radius: 0;
}

.dropdown-item:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateX(5px);
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

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

.carousel-caption {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    padding: 20px;
}

.carousel-caption h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

/* 产品卡片样式 */
.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.product-card .card-img-top {
    transition: transform 0.3s ease;
}

.product-card:hover .card-img-top {
    transform: scale(1.05);
}

/* 产品滚动展示 */
.product-scroll {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
}

.scroll-container {
    display: inline-flex;
    animation: scroll 30s linear infinite;
}

.scroll-item {
    flex: 0 0 200px;
    margin-right: 20px;
    text-align: center;
}

.scroll-item img {
    width: 180px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.scroll-item:hover img {
    transform: scale(1.1);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* 卡片样式增强 */
.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.card-header {
    border-bottom: none;
    font-weight: bold;
}

/* 列表组样式 */
.list-group-item-action {
    transition: all 0.3s ease;
}

.list-group-item-action:hover {
    background-color: #f8f9fa;
    transform: translateX(5px);
}

/* 按钮样式增强 */
.btn {
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 返回顶部按钮 */
#backToTop {
    border-radius: 50%;
    width: 50px;
    height: 50px;
    transition: all 0.3s ease;
}

#backToTop:hover {
    transform: scale(1.1);
}

/* 页脚样式 */
footer {
    background: linear-gradient(135deg, #343a40 0%, #495057 100%);
}

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

footer a:hover {
    color: #ffc107 !important;
}

.social-links a {
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .carousel-caption h2 {
        font-size: 1.5rem;
    }

    .carousel-caption p {
        font-size: 0.9rem;
    }

    .scroll-item {
        flex: 0 0 150px;
    }

    .scroll-item img {
        width: 130px;
        height: 90px;
    }
}

@media (max-width: 576px) {
    .carousel-caption {
        padding: 10px;
    }

    .carousel-caption h2 {
        font-size: 1.2rem;
    }

    .btn-lg {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 简约现代化面包屑导航 */
.breadcrumb {
    background: transparent;
    border: none;
    padding: 0.75rem 0;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    position: relative;
}

.breadcrumb::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-color) 0%, transparent 100%);
    opacity: 0.2;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    font-weight: 400;
    color: var(--text-muted);
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.25rem 0;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    border-radius: 4px;
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item+.breadcrumb-item {
    margin-left: 0.5rem;
}

.breadcrumb-item+.breadcrumb-item::before {
    content: '/';
    color: var(--text-muted);
    margin: 0 0.5rem;
    font-weight: 300;
    opacity: 0.6;
}

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

/* 面包屑导航图标样式 */
.breadcrumb-item i {
    margin-right: 0.4rem;
    font-size: 0.8rem;
    opacity: 0.7;
}

.breadcrumb-item a:hover i {
    opacity: 1;
}

.breadcrumb-item.active i {
    opacity: 0.8;
    color: var(--primary-color);
}

/* 面包屑导航响应式 */
@media (max-width: 768px) {
    .breadcrumb {
        padding: 0.5rem 0;
        margin-bottom: 1rem;
        font-size: 0.85rem;
    }

    .breadcrumb-item+.breadcrumb-item::before {
        margin: 0 0.4rem;
    }
}

@media (max-width: 576px) {
    .breadcrumb {
        font-size: 0.8rem;
    }

    .breadcrumb-item i {
        margin-right: 0.3rem;
        font-size: 0.75rem;
    }

    /* 在小屏幕上隐藏中间的面包屑项 */
    .breadcrumb-item:not(:first-child):not(:last-child):not(.active) {
        display: none;
    }

    .breadcrumb-item:not(:first-child):not(:last-child):not(.active)+.breadcrumb-item::before {
        content: '⋯';
        opacity: 0.5;
    }
}

/* 分页样式 */
.pagination {
    justify-content: center;
}

.page-link {
    border-radius: 20px;
    margin: 0 2px;
    border: none;
    color: var(--primary-color);
}

.page-link:hover {
    background-color: var(--primary-color);
    color: white;
}

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 搜索结果高亮 */
.search-highlight {
    background-color: #fff3cd;
    padding: 2px 4px;
    border-radius: 3px;
}

/* 图片懒加载效果 */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy-load.loaded {
    opacity: 1;
}

/* 表单样式增强 */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

/* 工具提示样式 */
.tooltip-inner {
    background-color: var(--dark-color);
    border-radius: 6px;
}

/* 模态框样式 */
.modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    border-radius: 15px 15px 0 0;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    border-radius: 0 0 15px 15px;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* 现代化组件样式 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* ========================================
   产品分类区域 - 重新设计
======================================== */

/* 产品分类容器 */
.product-categories-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 产品分类网格 - 确保4个一行且居中 */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    justify-content: center;
    align-items: stretch;
}

/* 产品分类项目 */
.category-item {
    display: flex;
    justify-content: center;
}

/* 产品分类卡片 */
.category-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 280px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1;
}

.category-card:hover::before {
    left: 0;
    opacity: 0.05;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.category-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(26, 54, 93, 0.3);
}

.category-card:hover .category-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(26, 54, 93, 0.4);
}

.category-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
    text-align: center;
}

.category-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    position: relative;
    z-index: 2;
    text-align: center;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .categories-grid {
        gap: 1.5rem;
    }

    .category-card {
        max-width: 260px;
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 992px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .category-card {
        max-width: 240px;
    }

    .category-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .category-card {
        max-width: 220px;
        padding: 1.5rem 1rem;
    }

    .category-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .category-title {
        font-size: 1.1rem;
    }

    .category-desc {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .category-card {
        max-width: 280px;
        margin: 0 auto;
    }
}

/* 公司介绍卡片 */
.intro-card {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.intro-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem 2rem;
    border-bottom: none;
}

.intro-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.intro-content {
    padding: 2rem;
}

.intro-text {
    padding-left: 1rem;
}

.intro-text .lead {
    font-size: 1.1rem;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.intro-features {
    margin-top: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* 联系卡片 */
.contact-card {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.contact-header {
    background: var(--gradient-accent);
    color: white;
    padding: 1.5rem 2rem;
    text-align: center;
}

.contact-header h4 {
    margin: 0;
    font-weight: 600;
}

.contact-content {
    padding: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.contact-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-item i {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    margin-top: 0.25rem;
    font-size: 1.2rem;
}

.contact-item div {
    flex: 1;
}

.contact-item strong {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-item p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

.contact-buttons {
    display: flex;
    gap: 0.5rem;
}

/* 产品卡片现代化 */
.product-card-modern {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
}

.product-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card-modern:hover .product-image img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 54, 93, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.product-info {
    padding: 1.5rem;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.product-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.product-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* 新闻卡片 */
.news-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-placeholder {
    height: 100%;
    background: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-content {
    padding: 1.5rem;
}

.news-date {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.news-title {
    margin-bottom: 1rem;
}

.news-title a {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
    line-height: 1.4;
    transition: color 0.3s ease;
}

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

.news-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.read-more {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--primary-dark);
}

/* 企业优势 */
.advantage-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 100%;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1);
    background: var(--gradient-accent);
}

.advantage-card h5 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.advantage-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* 响应式优化 */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-card {
        position: static;
        margin-top: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .category-card {
        padding: 1.5rem;
    }

    .category-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .intro-content,
    .contact-content {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .hero-stats .col-4 {
        margin-bottom: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .category-card {
        padding: 1rem;
    }

    .advantage-card {
        padding: 1.5rem 1rem;
    }
}

/* 面包屑导航增
强动画效果 */
.breadcrumb-item {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.breadcrumb-item:nth-child(1) {
    animation-delay: 0.1s;
}

.breadcrumb-item:nth-child(2) {
    animation-delay: 0.2s;
}

.breadcrumb-item:nth-child(3) {
    animation-delay: 0.3s;
}

.breadcrumb-item:nth-child(4) {
    animation-delay: 0.4s;
}

.breadcrumb-item:nth-child(5) {
    animation-delay: 0.5s;
}

/* 面包屑导航加载状态 */
.breadcrumb.loading {
    opacity: 0.6;
    pointer-events: none;
}

.breadcrumb.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 1rem;
    width: 16px;
    height: 16px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translateY(-50%);
}

/* 面包屑导航主题变体 */
.breadcrumb.breadcrumb-dark {
    background: linear-gradient(135deg, rgba(26, 32, 44, 0.9) 0%, rgba(45, 55, 72, 0.8) 100%);
    border-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.breadcrumb.breadcrumb-dark::before {
    background: var(--gradient-accent);
}

.breadcrumb.breadcrumb-dark .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb.breadcrumb-dark .breadcrumb-item a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.breadcrumb.breadcrumb-dark .breadcrumb-item.active {
    color: white;
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

/* 面包屑导航紧凑模式 */
.breadcrumb.breadcrumb-compact {
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.breadcrumb.breadcrumb-compact .breadcrumb-item+.breadcrumb-item::before {
    width: 18px;
    height: 18px;
    font-size: 0.8rem;
}

.breadcrumb.breadcrumb-compact .breadcrumb-item a {
    padding: 0.15rem 0.4rem;
}

.breadcrumb.breadcrumb-compact .breadcrumb-item.active {
    padding: 0.15rem 0.5rem;
}

/* 面包屑导航无边框模式 */
.breadcrumb.breadcrumb-minimal {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0.5rem 0;
}

.breadcrumb.breadcrumb-minimal::before {
    display: none;
}

.breadcrumb.breadcrumb-minimal .breadcrumb-item a {
    color: var(--text-secondary);
    font-weight: 400;
}

.breadcrumb.breadcrumb-minimal .breadcrumb-item a:hover {
    color: var(--primary-color);
    background: transparent;
    text-decoration: underline;
}

.breadcrumb.breadcrumb-minimal .breadcrumb-item.active {
    color: var(--text-primary);
    background: transparent;
    border: none;
    box-shadow: none;
    font-weight: 600;
}

.breadcrumb.breadcrumb-minimal .breadcrumb-item+.breadcrumb-item::before {
    background: transparent;
    color: var(--text-muted);
    box-shadow: none;
    font-weight: normal;
}

/* 面包屑导航工具提示 */
.breadcrumb-item[data-bs-toggle="tooltip"] {
    cursor: help;
}

/* 面包屑导航打印样式 */
@media print {
    .breadcrumb {
        background: none !important;
        border: 1px solid #ccc !important;
        box-shadow: none !important;
        color: #000 !important;
    }

    .breadcrumb::before {
        display: none !important;
    }

    .breadcrumb-item a {
        color: #000 !important;
        text-decoration: underline !important;
    }

    .breadcrumb-item+.breadcrumb-item::before {
        background: none !important;
        color: #666 !important;
        box-shadow: none !important;
    }
}

/* 面包屑导航高对比度模式 */
@media (prefers-contrast: high) {
    .breadcrumb {
        background: white;
        border: 2px solid #000;
        color: #000;
    }

    .breadcrumb-item a {
        color: #0000EE;
        font-weight: bold;
    }

    .breadcrumb-item a:hover {
        background: #000;
        color: #FFF;
    }

    .breadcrumb-item.active {
        background: #000;
        color: #FFF;
        border-color: #000;
    }

    .breadcrumb-item+.breadcrumb-item::before {
        background: #000;
        color: #FFF;
    }
}

/* 面包屑导航减少动画模式 */
@media (prefers-reduced-motion: reduce) {
    .breadcrumb-item {
        animation: none;
    }

    .breadcrumb-item a {
        transition: none;
    }

    .breadcrumb-item a::before {
        transition: none;
    }

    .breadcrumb.loading::after {
        animation: none;
    }
}

/* ====
====================================
   首页专用Header样式
======================================== */

/* 顶部信息栏 */
.top-bar {
    background: linear-gradient(135deg, #1a365d 0%, #2d5a87 100%);
    color: white;
    padding: 8px 0;
    font-size: 0.85rem;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-2px);
}

/* 主导航栏 */
.main-nav {
    background: white;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

/* Logo区域 */
.logo-section .logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-icon .logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.logo-text .company-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.logo-text .company-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1;
}

/* 导航菜单 */
.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-item.active .nav-link {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
}

.dropdown-icon {
    font-size: 0.8rem;
    margin-left: 0.25rem;
    transition: transform 0.3s ease;
}

.nav-item.dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 1.5rem;
    min-width: 400px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.dropdown-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.dropdown-section h6 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    margin-bottom: 0.5rem;
}

.dropdown-link:hover {
    background: var(--light-color);
    color: var(--primary-color);
    transform: translateX(5px);
}

/* 搜索区域 */
.search-section {
    margin-left: 2rem;
}

.search-input-group {
    display: flex;
    background: var(--light-color);
    border-radius: 25px;
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.search-input-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.search-input {
    border: none;
    background: transparent;
    padding: 0.75rem 1rem;
    outline: none;
    width: 250px;
    font-size: 0.9rem;
}

.search-btn {
    background: var(--gradient-primary);
    border: none;
    color: white;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: var(--primary-dark);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-line {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: white;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 2000;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    padding: 2rem;
    height: 100%;
    overflow-y: auto;
}

.mobile-search {
    margin-bottom: 2rem;
}

.mobile-search-group {
    display: flex;
    background: var(--light-color);
    border-radius: 8px;
    overflow: hidden;
}

.mobile-search-group input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.75rem;
    outline: none;
}

.mobile-search-group button {
    background: var(--primary-color);
    border: none;
    color: white;
    padding: 0.75rem;
    cursor: pointer;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-list li {
    margin-bottom: 0.5rem;
}

.mobile-nav-list a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-nav-list a:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

.mobile-dropdown .mobile-submenu {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 2rem;
}

.mobile-dropdown .mobile-submenu a {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.mobile-contact {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.mobile-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.mobile-contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
}

/* ========================================
   其他页面Header样式
======================================== */

.page-header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.simple-nav {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* 品牌区域 */
.nav-brand .brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.brand-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.6rem;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.6rem;
    font-weight: 600;
    line-height: 1.2;
    color: #2d3748;
    letter-spacing: -0.5px;
}

.brand-tagline {
    font-size: 0.8rem;
    color: #718096;
    line-height: 1;
    font-weight: 400;
}

/* 导航菜单 */
.nav-menu-list {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-menu-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.nav-menu-link:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

.nav-menu-link i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.has-dropdown:hover .nav-menu-link i {
    transform: rotate(180deg);
}

/* 下拉菜单 - 修复位置问题 */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    padding: 1rem;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.has-dropdown:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 0.85rem;
}

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

.dropdown-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
}

.view-all-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
}

/* 右侧操作区 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-btn {
    width: 36px;
    height: 36px;
    background: var(--light-color);
    border: none;
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: var(--primary-color);
    color: white;
}

.phone-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}

.phone-number {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 3px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* 搜索覆盖层 */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 2000;
}

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

.search-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 600px;
    width: 100%;
}

.search-input-wrapper {
    flex: 1;
    display: flex;
    background: white;
    border-radius: 50px;
    overflow: hidden;
}

.search-overlay .search-input {
    flex: 1;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    outline: none;
}

.search-submit {
    background: var(--primary-color);
    border: none;
    color: white;
    padding: 1rem 1.5rem;
    cursor: pointer;
    font-size: 1.1rem;
}

.search-close {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    font-size: 1.2rem;
}

/* 移动端菜单覆盖层 */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 2000;
}

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

.mobile-nav-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: white;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-nav-overlay.active .mobile-nav-content {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.mobile-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.mobile-nav-close {
    width: 36px;
    height: 36px;
    background: var(--light-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

.mobile-nav-body {
    padding: 1.5rem;
    flex: 1;
    overflow-y: auto;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-list li {
    margin-bottom: 0.5rem;
}

.mobile-nav-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-nav-list a:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

.mobile-submenu {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 1rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.has-submenu.active .mobile-submenu {
    max-height: 200px;
}

.mobile-submenu a {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.mobile-nav-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.mobile-contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mobile-phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
}

/* 页面内容区域 */
/* .page-content {
    padding-top: 2rem;
} */

/* 响应式设计 */
@media (max-width: 992px) {

    .nav-menu-wrapper,
    .search-section {
        display: none;
    }

    .mobile-menu-btn,
    .mobile-toggle .mobile-menu-btn {
        display: flex;
    }

    .contact-info {
        gap: 1rem;
    }

    .contact-item {
        font-size: 0.8rem;
    }

    .social-links {
        gap: 0.5rem;
    }

    .social-link {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }

    .logo-text .company-name {
        font-size: 1.3rem;
    }

    .nav-actions .phone-link .phone-number {
        display: none;
    }
}

@media (max-width: 768px) {
    .top-bar {
        padding: 6px 0;
        font-size: 0.8rem;
    }

    .contact-info {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .nav-wrapper {
        padding: 0.75rem 0;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .logo-icon .logo-image {
        width: 100%;
        height: 100%;
        object-fit: contain;
        border-radius: 8px;
    }

    .logo-text .company-name {
        font-size: 1.1rem;
    }

    .logo-text .company-desc {
        font-size: 0.8rem;
    }

    .brand-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .brand-name {
        font-size: 1.1rem;
    }

    .brand-tagline {
        font-size: 0.7rem;
    }
}

@media (max-width: 576px) {
    .social-links {
        display: none;
    }

    .contact-info {
        justify-content: center;
    }

    .nav-actions .contact-phone {
        display: none;
    }
}

/*
 ========================================
   首页Header重新设计样式
======================================== */

.home-header-new {
    background: white;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.home-navbar {
    padding: 1rem 0;
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Logo区域 */
.navbar-brand-section .navbar-brand-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
}

.brand-logo {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.brand-logo .logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.brand-info .brand-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.2;
}

.brand-info .brand-tagline {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1;
}

/* 导航菜单 */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 54, 93, 0.3);
}

.dropdown-toggle i {
    font-size: 0.8rem;
    margin-left: 0.25rem;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

/* 下拉菜单修复位置 */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 1.5rem;
    min-width: 400px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.dropdown-header {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    margin-bottom: 0.5rem;
}

.dropdown-item:hover {
    background: var(--light-color);
    color: var(--primary-color);
    transform: translateX(5px);
}

.dropdown-item i {
    width: 20px;
    text-align: center;
}

/* 右侧操作区 */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.contact-item i {
    color: var(--primary-color);
    width: 14px;
}

.search-toggle-btn {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(26, 54, 93, 0.3);
}

.search-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(26, 54, 93, 0.4);
}

.mobile-toggle-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* 搜索覆盖层 */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 54, 93, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 2000;
}

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

.search-overlay-content {
    width: 100%;
    max-width: 600px;
    position: relative;
}

.search-input-wrapper {
    display: flex;
    background: white;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.search-input {
    flex: 1;
    border: none;
    padding: 1.25rem 2rem;
    font-size: 1.1rem;
    outline: none;
}

.search-submit-btn {
    background: var(--gradient-primary);
    border: none;
    color: white;
    padding: 1.25rem 2rem;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.search-close-btn {
    position: absolute;
    top: -60px;
    right: 0;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.search-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 移动端菜单 */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 2000;
}

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

.mobile-menu-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    height: 100%;
    background: white;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.mobile-menu-overlay.active .mobile-menu-content {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.mobile-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.mobile-menu-close {
    width: 40px;
    height: 40px;
    background: var(--light-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-secondary);
}

.mobile-menu-body {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-list li {
    margin-bottom: 0.5rem;
}

.mobile-nav-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-nav-list a:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

.mobile-submenu {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 1rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.has-submenu.active .mobile-submenu {
    max-height: 200px;
}

.mobile-submenu a {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.mobile-menu-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.mobile-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
}

.mobile-contact-item i {
    color: var(--primary-color);
}

/* 联系我们页面样式优化 */
.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.1rem;
    margin-bottom: 0;
}

.contact-info-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    height: 100%;
}

.contact-info-card .card-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem;
    border: none;
}

.contact-info-card .card-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.contact-info-card .card-body {
    padding: 2rem;
}

/* 其他页面Header搜索框位置修复 */
.page-header .nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-header .search-btn {
    order: 2;
}

.page-header .contact-phone {
    order: 1;
}

.page-header .mobile-toggle {
    order: 3;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .navbar-nav-section {
        display: none;
    }

    .mobile-toggle-btn {
        display: flex;
    }

    .contact-info {
        display: none;
    }

    .brand-info .brand-name {
        font-size: 1.5rem;
    }

    .brand-logo {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .navbar-content {
        gap: 1rem;
    }

    .brand-info .brand-name {
        font-size: 1.3rem;
    }

    .brand-info .brand-tagline {
        font-size: 0.8rem;
    }

    .brand-logo {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    .search-toggle-btn {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 576px) {
    .home-navbar {
        padding: 0.75rem 0;
    }

    .brand-info .brand-tagline {
        display: none;
    }

    .mobile-menu-content {
        width: 280px;
    }
}

/* =
=======================================
   首页Header清新简约重新设计
======================================== */

.home-header-clean {
    background: #ffffff;
    border-bottom: 1px solid #f0f0f0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.clean-navbar {
    padding: 1.2rem 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo区域 */
.logo-area .logo-link {
    text-decoration: none;
    color: inherit;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-icon .logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.logo-text .company-name {
    font-size: 1.6rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.logo-text .company-slogan {
    font-size: 0.8rem;
    color: #718096;
    margin: 0;
    line-height: 1;
    font-weight: 400;
    margin-top: 0.1rem;
}

/* 主导航 */
.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu-item {
    position: relative;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    color: #4a5568;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.menu-link:hover,
.menu-link.current {
    color: #667eea;
    background: rgba(102, 126, 234, 0.08);
}

.menu-link i {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.has-dropdown:hover .menu-link i {
    transform: rotate(180deg);
}

/* 大型下拉菜单 */
.mega-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    padding: 0;
    min-width: 480px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(8px);
    transition: all 0.3s ease;
    z-index: 1000;
    border: 1px solid #e2e8f0;
}

.has-dropdown:hover .mega-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-container {
    padding: 1.5rem;
}

.product-categories {
    display: grid;
    /* grid-template-columns: 1fr 1fr; */
    gap: 2rem;
}

.category-group .category-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #667eea;
}

.category-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.category-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    color: inherit;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.category-link:hover {
    background: #f7fafc;
    color: #667eea;
    transform: translateX(4px);
}

.link-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.link-content {
    display: flex;
    flex-direction: column;
}

.link-title {
    font-weight: 500;
    font-size: 0.9rem;
    color: #2d3748;
    line-height: 1.2;
}

.link-desc {
    font-size: 0.75rem;
    color: #718096;
    line-height: 1;
    margin-top: 0.2rem;
}

/* 右侧工具栏 */
.toolbar {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-quick .phone-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #4a5568;
    font-size: 0.9rem;
    font-weight: 500;
}

.contact-quick .phone-info i {
    color: #667eea;
    font-size: 0.85rem;
}

.search-btn {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 3px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.burger-line {
    width: 20px;
    height: 2px;
    background: #4a5568;
    transition: all 0.3s ease;
}

/* 首页搜索覆盖层 */
.home-header-clean .search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(102, 126, 234, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 2000;
}

.home-header-clean .search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.home-header-clean .search-overlay-content {
    width: 100%;
    max-width: 600px;
    position: relative;
}

.home-header-clean .search-input-wrapper {
    display: flex;
    background: white;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.home-header-clean .search-input {
    flex: 1;
    border: none;
    padding: 1.2rem 2rem;
    font-size: 1.1rem;
    outline: none;
    color: #2d3748;
}

.home-header-clean .search-submit-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    padding: 1.2rem 2rem;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.home-header-clean .search-close-btn {
    position: absolute;
    top: -60px;
    right: 0;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.home-header-clean .search-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 首页移动端菜单 */
.home-header-clean .mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 2000;
}

.home-header-clean .mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.home-header-clean .mobile-menu-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: white;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.home-header-clean .mobile-menu-overlay.active .mobile-menu-content {
    transform: translateX(0);
}

.home-header-clean .mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.home-header-clean .mobile-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: #2d3748;
}

.home-header-clean .mobile-menu-close {
    width: 36px;
    height: 36px;
    background: #f7fafc;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: #4a5568;
}

.home-header-clean .mobile-menu-body {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

.home-header-clean .mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.home-header-clean .mobile-nav-list li {
    margin-bottom: 0.5rem;
}

.home-header-clean .mobile-nav-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    color: #2d3748;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.home-header-clean .mobile-nav-list a:hover {
    background: #f7fafc;
    color: #667eea;
}

.home-header-clean .mobile-submenu {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 1rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.home-header-clean .has-submenu.active .mobile-submenu {
    max-height: 200px;
}

.home-header-clean .mobile-submenu a {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: #718096;
}

.home-header-clean .mobile-menu-footer {
    padding: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.home-header-clean .mobile-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.home-header-clean .mobile-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #2d3748;
    text-decoration: none;
    font-weight: 500;
}

.home-header-clean .mobile-contact-item i {
    color: #667eea;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .main-navigation {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .contact-quick {
        display: none;
    }

    .logo-text .company-name {
        font-size: 1.4rem;
    }

    .logo-icon {
        width: 46px;
        height: 46px;
        font-size: 1.4rem;
    }

    .logo-icon .logo-image {
        width: 100%;
        height: 100%;
        object-fit: contain;
        border-radius: 9px;
    }
}

@media (max-width: 768px) {
    .clean-navbar {
        padding: 1rem 0;
    }

    .logo-text .company-name {
        font-size: 1.3rem;
    }

    .logo-text .company-slogan {
        font-size: 0.75rem;
    }

    .logo-icon {
        width: 42px;
        height: 42px;
        font-size: 1.3rem;
    }

    .logo-icon .logo-image {
        width: 100%;
        height: 100%;
        object-fit: contain;
        border-radius: 8px;
    }

    .search-btn {
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 576px) {
    .logo-text .company-slogan {
        display: none;
    }

    .home-header-clean .mobile-menu-content {
        width: 280px;
    }
}

/* 修复首页产
品分类居中问题 */
.product-categories .row {
    justify-content: center;
}

.product-categories .section-title {
    text-align: center;
}

.product-categories .section-subtitle {
    text-align: center;
}

/* 确保产品分类卡片居中对齐 */
.product-categories .col-lg-3,
.product-categories .col-md-4,
.product-categories .col-sm-6 {
    display: flex;
    justify-content: center;
}

.product-categories .category-card {
    width: 100%;
    max-width: 280px;
}

/* ==
======================================
   首页产品分类版块样式修复
======================================== */

/* 产品分类区域 */
.product-categories {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 3rem;
}

/* 产品分类卡片 - 修复居中问题 */
.product-categories .row {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.product-categories .col-lg-3,
.product-categories .col-md-4,
.product-categories .col-sm-6 {
    display: flex;
    justify-content: center;
}

.category-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    height: 100%;
    max-width: 280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.15);
}

.category-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.category-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    box-shadow: 0 4px 15px rgba(26, 54, 93, 0.3);
    transition: all 0.3s ease;
}

.category-card:hover .category-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(26, 54, 93, 0.4);
}

.category-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1rem;
    text-align: center;
}

.category-desc {
    font-size: 0.95rem;
    color: #4a5568;
    line-height: 1.6;
    margin: 0;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .category-card {
        max-width: 260px;
    }
}

@media (max-width: 992px) {
    .category-card {
        max-width: 240px;
        padding: 2rem 1.5rem;
    }

    .category-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .category-card {
        max-width: 220px;
        padding: 1.5rem 1rem;
    }

    .category-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .category-title {
        font-size: 1.1rem;
    }

    .category-desc {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .product-categories {
        padding: 3rem 0;
    }

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

    .category-card {
        max-width: 200px;
        padding: 1.5rem 1rem;
    }
}

/* ========================================
   Header字体大小统一修复
======================================== */

/* 统一Header品牌名称样式 */
.navbar-brand {
    font-size: 1.6rem !important;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    color: rgba(255, 255, 255, 0.9);
    transform: scale(1.02);
}

.navbar-brand img {
    width: 52px;
    height: 52px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: rotate(5deg);
}

/* 内页Header样式统一 */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 15px rgba(102, 126, 234, 0.2);
    padding: 0.75rem 0;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
    color: white;
    background-color: rgba(255, 255, 255, 0.15);
}

/* 首页Header特殊样式 */
.home-header .navbar {
    background: transparent;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.home-header .navbar-brand {
    font-size: 1.6rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.home-header .navbar-nav .nav-link {
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.4rem !important;
    }

    .navbar-brand img {
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem !important;
    }

    .navbar-brand img {
        width: 40px;
        height: 40px;
    }
}

/* ======
==================================
   联系我们页面重新设计样式
======================================== */

.contact-page {
    background: #f8fafc;
    min-height: 100vh;
    padding-bottom: 3rem;
}

/* 页面标题区域 */
.contact-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}

.contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-divider {
    width: 80px;
    height: 4px;
    background: rgba(255, 255, 255, 0.8);
    margin: 0 auto;
    border-radius: 2px;
}

/* 快速联系区域 */
.quick-contact-section {
    margin-bottom: 4rem;
}

.quick-contact-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    height: 100%;
}

.quick-contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.15);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.quick-contact-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1rem;
}

.contact-value {
    font-size: 1.1rem;
    font-weight: 500;
    color: #667eea;
    margin-bottom: 1.5rem;
}

.contact-btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    color: white;
}

/* 详细信息区域 */
.contact-details-section {
    margin-bottom: 4rem;
}

.info-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    overflow: hidden;
    height: 100%;
}

.info-card .card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.info-card .card-header h3 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 600;
}

.card-content {
    padding: 2rem;
}

/* 信息项目 */
.info-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid #667eea;
}

.item-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.item-content {
    flex: 1;
}

.item-content label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 0.25rem;
}

.item-content span {
    font-size: 1rem;
    color: #2d3748;
    font-weight: 500;
}

/* 联系表单 */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* 营业时间 */
.time-schedule {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.schedule-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.day-label {
    font-weight: 600;
    color: #2d3748;
}

.time-range {
    color: #4a5568;
    font-weight: 500;
}

.contact-tips {
    background: #f0f4ff;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #c3dafe;
}

.contact-tips h5 {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 1rem;
}

.contact-tips ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-tips li {
    padding: 0.5rem 0;
    color: #4a5568;
    position: relative;
    padding-left: 1.5rem;
}

.contact-tips li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 地图区域 */
.map-placeholder {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    border: 2px dashed #cbd5e0;
}

.map-content i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.map-content h4 {
    color: #2d3748;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.map-content p {
    color: #4a5568;
    margin-bottom: 1.5rem;
}

.map-btn {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.map-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.transport-info {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 12px;
}

.transport-info h5 {
    color: #2d3748;
    font-weight: 600;
    margin-bottom: 1rem;
}

.transport-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.transport-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: #4a5568;
}

.transport-item i {
    color: #667eea;
    font-size: 1.2rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

/* 额外信息区域 */
.additional-info-section {
    margin-bottom: 2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .contact-hero {
        padding: 3rem 0;
    }

    .quick-contact-card {
        padding: 2rem 1.5rem;
    }

    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .card-content {
        padding: 1.5rem;
    }

    .info-card .card-header {
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .quick-contact-card {
        padding: 1.5rem 1rem;
    }

    .info-item {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    .schedule-item {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .transport-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}

/* ========================================
   联系我们页面样式 - 统一配色方案
======================================== */

.contact-page {
    background: var(--light-color);
    min-height: 100vh;
    padding-bottom: 3rem;
}

/* 页面标题 */
/* .page-header {
    padding: 3rem 0 2rem;
} */

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    position: relative;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* 联系信息卡片 */
.contact-info-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    height: 100%;
}

.contact-info-card .card-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem 2rem;
    border-bottom: none;
}

.contact-info-card .card-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.contact-info-card .card-body {
    padding: 2rem;
}

/* 信息区块 */
.info-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.info-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.info-section h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* 基本信息列表 */
.info-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.info-row {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.info-row .label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 80px;
    flex-shrink: 0;
}

.info-row .value {
    color: var(--text-primary);
    flex: 1;
}

/* 联系方式 */
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-color);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.method-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.method-info {
    flex: 1;
}

.method-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.method-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary-color);
    text-decoration: none;
}

.method-value:hover {
    color: var(--primary-light);
}

/* 营业时间 */
.business-hours {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.hour-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--light-color);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--primary-color);
}

.hour-item .day {
    font-weight: 600;
    color: var(--text-primary);
}

.hour-item .time {
    color: var(--text-secondary);
    font-weight: 500;
}

/* 位置信息 */
.location-info .address {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--light-color);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--danger-color);
}

.transport-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.transport-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.transport-item i {
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* 表单卡片 */
.contact-form-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    height: 100%;
}

.contact-form-card .card-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem 2rem;
    border-bottom: none;
}

.contact-form-card .card-header h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.contact-form-card .card-body {
    padding: 2rem;
}

/* 表单样式 */
.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: block;
}

.contact-form .form-control {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.contact-form .form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

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

.contact-form .btn-primary {
    background: var(--gradient-primary);
    border: none;
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.contact-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 温馨提示 */
.contact-tips {
    background: #f0f8ff;
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    border: 1px solid #b3d9ff;
    margin-top: 1.5rem;
}

.contact-tips h6 {
    color: var(--info-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tips-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
}

.tips-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }

    .contact-info-card .card-body,
    .contact-form-card .card-body {
        padding: 1.5rem;
    }

    .contact-method {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    .hour-item {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .transport-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}

@media (max-width: 576px) {
    .page-title {
        font-size: 1.8rem;
    }

    .page-header {
        padding: 2rem 0 1.5rem;
    }

    .contact-info-card .card-body,
    .contact-form-card .card-body {
        padding: 1rem;
    }

    .info-section {
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
    }
}

/* 
========================================
   Header样式统一 - 使用首页配色方案
======================================== */

/* 统一Header品牌名称样式 */
.navbar-brand {
    font-size: 1.6rem !important;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    color: rgba(255, 255, 255, 0.9);
    transform: scale(1.02);
}

.navbar-brand img {
    width: 52px;
    height: 52px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: rotate(5deg);
}

/* 内页Header样式统一 - 使用首页深蓝色系 */
.navbar {
    background: var(--gradient-primary) !important;
    box-shadow: 0 2px 15px rgba(26, 54, 93, 0.2);
    padding: 0.75rem 0;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.15);
}

/* 首页Header特殊样式 */
.home-header .navbar {
    background: transparent !important;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.home-header .navbar-brand {
    font-size: 1.6rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.home-header .navbar-nav .nav-link {
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.4rem !important;
    }

    .navbar-brand img {
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem !important;
    }

    .navbar-brand img {
        width: 40px;
        height: 40px;
    }
}

/* ========================================
   关于我们页面样式
======================================== */

.about-page {
    background: var(--light-color);
    min-height: 100vh;
    padding-bottom: 3rem;
}

/* 公司简介区域 */
.company-intro-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 3rem 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.company-image .image-placeholder {
    background: linear-gradient(135deg, var(--light-color) 0%, #e2e8f0 100%);
    border-radius: var(--border-radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    border: 2px dashed #cbd5e0;
}

.image-placeholder i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.image-placeholder h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.image-placeholder p {
    color: var(--text-secondary);
    margin: 0;
}

.intro-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.intro-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.intro-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.intro-highlights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-weight: 500;
}

.highlight-item i {
    color: var(--success-color);
    font-size: 1.1rem;
}

/* 产品系列区域 */
.product-series-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 3rem 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.product-series-card {
    background: var(--light-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    height: 100%;
}

.product-series-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.series-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    transition: all 0.3s ease;
}

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

.product-series-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.product-series-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* 应用领域区域 */
.application-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 3rem 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.application-item {
    background: var(--light-color);
    border-radius: var(--border-radius-md);
    padding: 2rem 1rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.application-item:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.application-item i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.application-item:hover i {
    color: white;
}

.application-item span {
    font-weight: 600;
    font-size: 1rem;
}

/* 企业优势区域 */
.advantages-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 3rem 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.advantage-card {
    text-align: center;
    padding: 2rem 1rem;
    border-radius: var(--border-radius-lg);
    background: var(--light-color);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    height: 100%;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    transition: all 0.3s ease;
}

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

.advantage-card h5 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.advantage-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* 联系我们CTA区域 */
.contact-cta-section {
    margin-top: 2rem;
}

.contact-cta-card {
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--border-radius-lg);
    padding: 3rem 2rem;
    box-shadow: var(--shadow-xl);
}

.contact-cta-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.contact-cta-card p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0;
}

.contact-cta-card .btn {
    background: white;
    color: var(--primary-color);
    border: none;
    font-weight: 600;
    padding: 1rem 2rem;
    transition: all 0.3s ease;
}

.contact-cta-card .btn:hover {
    background: var(--light-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .intro-title {
        font-size: 1.8rem;
    }

    .company-intro-section,
    .product-series-section,
    .application-section,
    .advantages-section {
        padding: 2rem 1.5rem;
    }

    .application-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1rem;
    }

    .application-item {
        padding: 1.5rem 0.75rem;
    }

    .application-item i {
        font-size: 2rem;
    }

    .contact-cta-card {
        padding: 2rem 1.5rem;
        text-align: center;
    }

    .contact-cta-card .btn {
        width: 100%;
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .intro-title {
        font-size: 1.6rem;
    }

    .intro-highlights {
        gap: 0.75rem;
    }

    .highlight-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .application-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}