/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ff6b35;
    --primary-dark: #e55a2b;
    --secondary-color: #1a1a2e;
    --text-color: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg-color: #fff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --border-color: #e5e5e5;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

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

.btn-outline {
    background-color: transparent;
    color: #fff;
    border: 1px solid #fff;
}

.btn-outline:hover {
    background-color: #fff;
    color: var(--secondary-color);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* 头部导航 - 新样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}


.header-top-inner {
    position: relative;
    height: 60px;
}

.header-logo {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

.nav {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    white-space: nowrap;
}

.header-contact {
    position: absolute;
    right: -50px;
    top: 50%;
    transform: translateY(-50%);
}

.mobile-menu-btn {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}
.header-logo a {
    width: 100%;
    height: 40px;
}
.header-logo img {
    height: 40px;
    vertical-align: middle;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 10px;
    white-space: nowrap;
    flex-wrap: nowrap;
}

.nav-list li {
    position: relative;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-list a {
    display: block;
    padding: 4px 12px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    position: relative;
    border-radius: 4px;
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary-color);
    background-color: rgba(255, 107, 53, 0.1);
}

.nav-list a.active::after {
    display: none;
}

.header-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #1a1a1a;
    font-size: 16px;
    font-weight: 600;
}

.header-contact .phone-icon-left {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.header-contact .vr-icon-right {
    width: 24px;
    height: 24px;
    object-fit: contain;
    margin-left: 4px;
}

/* 面包屑导航 */
.breadcrumb-nav {
    /* background-color: #f8f8f8; */
    padding: 12px 0;
    /* border-bottom: 1px solid #eee; */
    margin-top: 80px;
}

.breadcrumb-nav .breadcrumb {
    font-size: 13px;
    color: var(--text-light);
}

.breadcrumb-nav .breadcrumb span:first-child {
    color: var(--text-lighter);
}

#current-location {
    color: var(--text-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-color);
    cursor: pointer;
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: #fff;
    z-index: 1002;
    transition: right 0.3s ease;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
}

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

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-header span {
    font-size: 16px;
    font-weight: 600;
}

.mobile-menu-header button {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
}

.mobile-nav-list {
    list-style: none;
    padding: 10px 0;
}

.mobile-nav-list li {
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav-list a {
    display: block;
    padding: 15px 20px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
}

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

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

/* 页面标题区域 */
.page-header {
    padding: 80px 0 20px;
    /* background-color: var(--bg-light); */
    /* border-bottom: 1px solid var(--border-color); */
}

.breadcrumb {
    font-size: 13px;
    color: var(--text-light);
}

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

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

.breadcrumb .separator {
    margin: 0 8px;
}

.breadcrumb .current {
    color: var(--primary-color);
}

/* 区块标题 */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header.light {
    color: #fff;
}

.section-header.light .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.section-header.light .section-desc {
    color: rgba(255, 255, 255, 0.8);
}

.section-subtitle {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 2px;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: inherit;
}

.section-desc {
    font-size: 14px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* 分类标签 */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 8px 0;
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    position: relative;
    transition: var(--transition);
}

.category-tab:hover,
.category-tab.active {
    color: var(--primary-color);
}

.category-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

/* 首页Banner */
.hero {
    position: relative;
    width: 100%;
    overflow: hidden;
    margin-top: 60px;
}

/* 轮播图样式 */
.hero-slider {
    position: relative;
    width: 100%;
    height: 860px;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
}

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

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 轮播指示器 */
.hero-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-dot.active {
    background-color: #fff;
    width: 30px;
    border-radius: 5px;
}

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

/* 轮播箭头 */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    z-index: 10;
    transition: all 0.3s ease;
}

.hero-arrow:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

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

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

.hero-image {
    width: 100%;
    height: 860px;
    object-fit: cover;
    display: block;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920&h=1080&fit=crop');
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.95) 0%, rgba(22, 33, 62, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: #fff;
    padding: 60px 0;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero h1 .highlight {
    color: var(--primary-color);
}

.hero p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 500px;
    margin-bottom: 30px;
}

.hero-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 50px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

/* 产品资讯页面 */
.products-section {
    padding: 60px 0;
    background-color: #fff;
}

/* 产品服务 - 简化版 */
.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.section-title-simple {
    font-size: 24px;
    font-weight: 500;
    color: var(--text-color);
}

.view-more {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-lighter);
    text-decoration: none;
    transition: var(--transition);
}

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

.view-more i {
    font-size: 12px;
}

.products-grid-simple {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.product-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.product-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card-title {
    padding: 16px;
    font-size: 14px;
    color: var(--text-color);
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

/* 宣传视频和PDF资料区域 */
.media-section {
    padding: 60px 0;
    background-color: #f8f8f8;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.media-block {
    display: flex;
    flex-direction: column;
}

.media-header-simple {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.media-title-simple {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
}

.media-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.media-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    transform: translateY(-4px);
}

.media-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.video-card .play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.video-card .play-button i {
    font-size: 20px;
    color: var(--primary-color);
    margin-left: 4px;
}

.video-card:hover .play-button {
    background-color: var(--primary-color);
}

.video-card:hover .play-button i {
    color: #fff;
}

/* 成美集团介绍 */
.about-section {
    padding: 80px 0;
    background-color: #fff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: 12px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.about-content {
    padding: 20px 0;
}

.about-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 12px;
    position: relative;
    /* padding-left: 16px; */
}

/* .about-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 24px;
    background-color: var(--primary-color);
    border-radius: 3px;
} */

.about-list {
    list-style: none;
    padding: 0;
}

.about-list li {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-light);
    margin-bottom: 10px;
    padding-left: 16px;
    position: relative;
}

.about-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

/* 新闻资讯区域 */
.news-section {
    padding: 60px 0;
    background-color: #fff;
}

.news-grid-simple {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.news-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.news-card-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.news-card-content {
    padding: 16px;
}

.news-card-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-date {
    font-size: 13px;
    color: var(--text-lighter);
}

/* 产品资讯页面简化样式 */
.products-section-simple {
    padding: 20px 0 60px;
    background-color: #fff;
}

.page-main-title {
    text-align: center;
    margin-bottom: 30px;
}

.page-main-title h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
}

.category-tabs-simple {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    padding-bottom: 0px;
    border-bottom: 1px solid #eee;
}

.category-tabs-simple .category-tab {
    font-size: 14px;
    color: var(--text-light);
    text-decoration: none;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

.category-tabs-simple .category-tab.active,
.category-tabs-simple .category-tab:hover {
    color: var(--primary-color);
}

.category-tabs-simple .category-tab.active::after {
    content: '';
    position: absolute;
    bottom: -0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

.product-category-section {
    margin-bottom: 50px;
}

.section-title-with-bar {
    display: flex;
    align-items: center;
    gap: 10px;
}

.title-bar {
    width: 4px;
    height: 20px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.pagination-simple {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
    /* padding-top: 30px; */
    /* border-top: 1px solid #eee; */
}

.page-size-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
    cursor: pointer;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-numbers a,
.page-numbers span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    font-size: 13px;
    border-radius: 4px;
    text-decoration: none;
    transition: var(--transition);
}

.page-numbers .page-current {
    background-color: var(--primary-color);
    color: #fff;
}

.page-numbers a {
    color: var(--text-light);
    border: 1px solid #ddd;
}

.page-numbers a:hover:not(.disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-numbers .disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-jump {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
}

.page-input {
    width: 40px;
    height: 32px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
    font-size: 13px;
}

.product-category {
    margin-bottom: 30px;
}

.product-category-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-left: 10px;
    border-left: 3px solid var(--primary-color);
}

.product-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

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

.product-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.product-item:hover .product-image img {
    transform: scale(1.05);
}

.product-content {
    padding: 20px;
}

.product-content h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.product-content p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-lighter);
}

.product-more {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 13px;
}

.product-more:hover {
    text-decoration: underline;
}

/* 新闻资讯页面 */
.news-section {
    padding: 40px 0 80px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-category {
    margin-bottom: 40px;
}

.news-category-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-left: 10px;
    border-left: 3px solid var(--primary-color);
}

.news-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-item:hover {
    box-shadow: var(--shadow-lg);
}

.news-image {
    position: relative;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: var(--transition);
}

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

.news-content {
    padding: 15px;
}

.news-content h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.5;
    color: var(--text-color);
}

.news-date {
    font-size: 12px;
    color: var(--text-lighter);
}

/* 案例页面 */
.cases-section {
    padding: 40px 0 80px;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.case-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.case-item:hover {
    box-shadow: var(--shadow-lg);
}

.case-image {
    position: relative;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition);
}

.case-item:hover .case-image img {
    transform: scale(1.05);
}

.case-content {
    padding: 20px;
}

.case-content h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.5;
    color: var(--text-color);
}

.case-content p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 宣传视频页面 */
.videos-section {
    padding: 40px 0 80px;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.video-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.video-item:hover {
    box-shadow: var(--shadow-lg);
}

.video-thumbnail {
    position: relative;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 107, 53, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    transition: var(--transition);
}

.video-item:hover .video-play {
    background-color: var(--primary-color);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-title {
    padding: 12px;
    font-size: 13px;
    color: var(--text-color);
    text-align: center;
}

/* PDF资料页面 */
.pdf-section {
    padding: 40px 0 80px;
}

.pdf-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.pdf-item {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.pdf-item:hover {
    box-shadow: var(--shadow-lg);
}

.pdf-thumbnail {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.pdf-thumbnail img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.pdf-icon {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    background-color: #e74c3c;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    font-weight: bold;
}

.pdf-title {
    padding: 12px;
    font-size: 13px;
    color: var(--text-color);
    text-align: center;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.pagination a:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination .current {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.pagination .disabled {
    color: var(--text-lighter);
    cursor: not-allowed;
}

/* 关于我们页面 */
.about-section {
    padding: 40px 0 80px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-block {
    margin-bottom: 50px;
}

.about-block h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-left: 15px;
    border-left: 3px solid var(--primary-color);
}

.about-block p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-image {
    margin: 30px 0;
    border-radius: 8px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: auto;
}

/* 关于我们页面 - 时间线 */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 30px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px var(--primary-color);
}

.timeline-year {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.timeline-content h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 5px;
}

.timeline-content p {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 0;
}

/* 企业文化 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.culture-item {
    text-align: center;
    padding: 30px;
    background-color: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition);
}

.culture-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.culture-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.culture-icon i {
    font-size: 24px;
    color: #fff;
}

.culture-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.culture-item p {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 0;
}

/* 荣誉资质 */
.honor-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.honor-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background-color: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition);
}

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

.honor-item:hover i,
.honor-item:hover span {
    color: #fff;
}

.honor-item i {
    font-size: 24px;
    color: var(--primary-color);
}

.honor-item span {
    font-size: 14px;
    font-weight: 500;
}

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

@media (max-width: 480px) {
    .culture-grid {
        grid-template-columns: 1fr;
    }
}

/* 联系我们页面 */
.contact-section {
    padding: 40px 0 80px;
}

/* 公司荣誉页面 */
.honor-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.honor-image {
    position: relative;
    overflow: hidden;
    padding: 20px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 260px;
}

.honor-image img {
    max-width: 100%;
    max-height: 240px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
}

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

.honor-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.honor-info .honor-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.honor-info .honor-code,
.honor-info .honor-authority {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 5px;
}

/* 荣誉图片弹窗 */
.honor-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.honor-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.honor-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: #fff;
    font-size: 36px;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.honor-modal-close:hover {
    color: var(--primary-color);
}

.honor-modal-img {
    max-width: 100%;
    max-height: 80vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.honor-modal-title {
    color: #fff;
    font-size: 16px;
    margin-top: 15px;
    text-align: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 帮助中心页面 */
.help-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.help-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.help-item:hover {
    box-shadow: var(--shadow-lg);
}

.help-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.help-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.help-category {
    font-size: 12px;
    color: var(--primary-color);
    background: rgba(255, 107, 53, 0.1);
    padding: 4px 12px;
    border-radius: 4px;
}

.help-content {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

.help-content p {
    margin-bottom: 10px;
}

.help-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

/* 空状态 */
.empty-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.empty-text {
    font-size: 16px;
    color: var(--text-lighter);
}

.contact-qrcode {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.contact-qrcode h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.contact-qrcode img {
    width: 150px;
    height: 150px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.contact-qrcode p {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 0;
}

.contact-map {
    margin-top: 60px;
}

.map-container {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info-block {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: 8px;
}

.contact-info-block h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 30px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-info-item i {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    flex-shrink: 0;
}

.contact-info-item div h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-info-item div p {
    font-size: 13px;
    color: var(--text-light);
}

.contact-form-block {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.contact-form-block h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* 页脚 - 新样式 */
.footer {
    background-color: #fff;
    /* border-top: 1px solid var(--border-color); */
}

.footer-main {
    padding: 40px 0;
    background-color: #f8f8f8;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-logo img {
    height: 36px;
}

.footer-company {
    font-size: 14px;
    color: var(--text-color);
    font-weight: 500;
}

.footer-address {
    font-size: 13px;
    color: var(--text-light);
}

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

.footer-contact-label {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.footer-contact-phone {
    font-size: 28px;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 2px;
}

.footer-bottom {
    padding: 20px 0;
    /* border-top: 1px solid var(--border-color); */
    text-align: center;
    background-color: #1a1a1a;
}

/* 友情链接 */
.footer-friend-links {
    padding: 15px 0;
    background-color: #f5f5f5;
    border-top: 1px solid var(--border-color);
}

.friend-links-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.friend-links-label {
    font-size: 14px;
    color: var(--text-light);
    white-space: nowrap;
}

.friend-links-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.friend-link-item {
    font-size: 14px;
    color: var(--text-light);
    transition: var(--transition);
}

.friend-link-item:hover {
    color: var(--primary-color);
}

.friend-link-divider {
    color: var(--border-color);
}

.footer-bottom p {
    font-size: 12px;
    color: var(--text-lighter);
}

/* 右侧悬浮工具栏 */
.float-tools {
    position: fixed;
    right: 100px;
    bottom: 300px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 0;
    background-color: #fff;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 15px 10px;
    overflow: hidden;
}

.float-tool-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.float-tool-item:last-child {
    border-bottom: none;
}

.float-tool-item a,
.float-tool-item .tool-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    cursor: pointer;
}

.tool-icon-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    margin-bottom: 6px;
}

.tool-robot {
    width: 60px;
    height: 60px;
    margin-bottom: 8px;
}

.float-tool-item span {
    font-size: 12px;
    color: var(--primary-color);
    white-space: nowrap;
}

.tool-online-wrap {
    padding-top: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.tool-btn {
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c5a 100%);
    color: #fff !important;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    /* margin-top: 4px; */
}

.tool-top {
    color: var(--text-light);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

/* 在线咨询弹框 */
.consult-modal {
    display: none;
    position: fixed;
    right: 200px;
    bottom: 400px;
    z-index: 1000;
}

.consult-modal-content {
    background-color: #fff;
    width: 320px;
    max-height: 500px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.consult-header {
    background: #fff;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    color: #333;
    border-bottom: 1px solid #e8e8e8;
}

.consult-header .consult-title {
    color: #333;
}

.consult-header .consult-time {
    color: #666;
}

.consult-header .online-count {
    color: #666;
}

.consult-header .consult-close {
    color: #999;
}

.consult-header-left {
    flex: 1;
}

.consult-header-img {
    width: 100px;
    height: 60px;
    object-fit: contain;
    margin-top: 15px;
}

.consult-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.consult-time {
    font-size: 12px;
    opacity: 0.9;
    margin-bottom: 5px;
}

.online-count {
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.online-dot {
    width: 8px;
    height: 8px;
    background-color: #52c41a;
    border-radius: 50%;
    display: inline-block;
}

.consult-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==================== 留言咨询弹框 ==================== */
.message-modal {
    display: none;
    position: fixed;
    right: 200px;
    bottom: 130px;
    z-index: 1000;
}

.message-modal-content {
    background-color: #fff;
    width: 360px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.message-header {
    background: #fff;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid #e8e8e8;
}

.message-header-left {
    flex: 1;
}

.message-title {
    font-size: 18px;
    font-weight: 600;
    color: #ff6b35;
    margin-bottom: 8px;
}

.message-subtitle {
    font-size: 13px;
    color: #999;
}

.message-close {
    background: none;
    border: none;
    color: #999;
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.message-close:hover {
    color: #666;
}

.message-form {
    padding: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 14px;
    color: #333;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    color: #333;
    background: #fafafa;
    transition: border-color 0.3s;
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: #ff6b35;
    background: #fff;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #bbb;
}

.form-textarea {
    resize: none;
    min-height: 80px;
}

.message-submit-btn {
    width: 100%;
    padding: 14px;
    background: #ff6b35;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.message-submit-btn:hover {
    background: #e55a2b;
}

.consult-staff-list {
    padding: 10px 0;
    max-height: 400px;
    overflow-y: auto;
}

/* ==================== 电话咨询弹框 ==================== */
.phone-modal {
    display: none;
    position: fixed;
    right: 200px;
    bottom: 460px;
    z-index: 1000;
}

.phone-modal-content {
    background: linear-gradient(135deg, #ff6b35 0%, #ff8f5a 100%);
    width: 280px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.phone-modal-body {
    display: flex;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.phone-modal-body:hover {
    opacity: 0.95;
}

.phone-icon-wrap {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.phone-icon-wrap i {
    color: #fff;
    font-size: 20px;
}

.phone-info {
    flex: 1;
}

.phone-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 4px;
}

.phone-number {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 1px;
}

.consult-staff-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.consult-staff-item:hover {
    background-color: #f5f5f5;
}

.staff-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 12px;
    object-fit: cover;
}

.staff-info {
    flex: 1;
}

.staff-name {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin-bottom: 3px;
}

.staff-position {
    font-size: 12px;
    color: #999;
}

.staff-status {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 10px;
}

.staff-status.online {
    color: #52c41a;
    background-color: #f6ffed;
}

/* 聊天弹框样式 */
.chat-modal {
    position: fixed;
    right: 200px;
    bottom: 80px;
    z-index: 1001;
    background-color: transparent;
}

.chat-modal-content {
    background: #fff;
    border-radius: 12px;
    width: 360px;
    max-height: 600px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.chat-header {
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c5a 100%);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.chat-header-left {
    display: flex;
    align-items: center;
    flex: 1;
}

.chat-staff-avatar {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    margin-right: 12px;
    object-fit: cover;
    /* border: 2px solid #fff; */
}

.chat-staff-info {
    color: #fff;
}

.chat-staff-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 2px;
}

.chat-staff-position {
    font-size: 12px;
    opacity: 0.9;
    margin-bottom: 6px;
}

.chat-staff-badges {
    display: flex;
    gap: 8px;
}

.badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.chat-robot-img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-right: 10px;
}

.chat-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-faq-section {
    padding: 15px 20px;
    border-bottom: 1px solid #f0f0f0;
}

.chat-faq-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.faq-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    position: relative;
    padding-left: 10px;
}

.faq-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 14px;
    background: #ff6b35;
    border-radius: 2px;
}

.faq-refresh {
    font-size: 12px;
    color: #999;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.faq-refresh:hover {
    color: #ff6b35;
}

.chat-faq-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.faq-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #f5f5f5;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    color: #666;
    transition: all 0.3s;
}

.faq-item:hover {
    background: #fff2ed;
    color: #ff6b35;
}

.faq-item i {
    color: #ff6b35;
    font-size: 12px;
}

.chat-messages {
    /* flex: 1; */
    padding: 15px 20px;
    overflow-y: auto;
    height: 400px;
    /* max-height: 200px; */
}

.chat-message {
    margin-bottom: 12px;
}

.chat-message.user-message {
    display: flex;
    justify-content: flex-end;
}

.chat-message.user-message .message-content {
    background: #ff6b35;
    color: #fff;
    padding: 10px 14px;
    border-radius: 12px 12px 2px 12px;
    max-width: 80%;
    font-size: 13px;
}

.chat-message.staff-message {
    display: flex;
    justify-content: flex-start;
}

.chat-message.staff-message .message-content {
    background: #f0f0f0;
    color: #333;
    padding: 10px 14px;
    border-radius: 12px 12px 12px 2px;
    max-width: 80%;
    font-size: 13px;
}

.message-time {
    font-size: 11px;
    color: #999;
    margin-top: 4px;
    text-align: center;
}

/* 时间分隔线样式 */
.message-time-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px 0;
    position: relative;
}

.message-time-divider span {
    background: #e0e0e0;
    color: #999;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 12px;
    white-space: nowrap;
}

.chat-input-area {
    padding: 15px 20px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

.chat-input-box {
    flex: 1;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 10px 12px;
    background: #fafafa;
}

.chat-input {
    width: 100%;
    border: none;
    background: transparent;
    font-size: 14px;
    outline: none;
    margin-bottom: 8px;
}

.chat-input::placeholder {
    color: #bbb;
}

.chat-input-actions {
    display: flex;
    gap: 12px;
}

.chat-action-btn {
    background: none;
    border: none;
    color: #999;
    font-size: 16px;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
}

.chat-action-btn.deep-thinking {
    color: #ff6b35;
}

.chat-action-btn:hover {
    color: #ff6b35;
}

.chat-send-btn {
    width: 40px;
    height: 40px;
    background: #ff6b35;
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.chat-send-btn:hover {
    background: #e55a2b;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .products-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .videos-grid,
    .pdf-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .header-contact {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        min-height: 500px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .videos-grid,
    .pdf-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .float-tools {
        right: 10px;
        bottom: 80px;
    }
    
    .float-tool-item {
        width: 50px;
        height: 50px;
    }
    
    .float-tool-item i {
        font-size: 16px;
    }
    
    .float-tool-item span {
        font-size: 10px;
    }
}

/* 视频弹窗 */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
}

.video-modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2001;
    background-color: #fff;
    border-radius: 8px;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow: hidden;
}

.video-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.video-modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.video-modal-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-light);
    cursor: pointer;
}

.video-modal-close:hover {
    color: var(--text-color);
}

.video-modal-body {
    padding: 20px;
}

.video-player {
    aspect-ratio: 16/9;
    background-color: #000;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.video-player i {
    font-size: 60px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.video-player p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .videos-grid,
    .pdf-grid {
        grid-template-columns: 1fr;
    }
    
    .category-tabs {
        gap: 15px;
    }
    
    .category-tab {
        font-size: 13px;
    }
    
    .video-modal-content {
        width: 95%;
    }
}

/* 产品详情页面 */
.product-detail-section {
    padding: 40px 0 80px;
    /* background-color: var(--bg-light); */
}

.detail-wrapper {
    display: flex;
    gap: 40px;
}

.detail-main {
    flex: 1;
}

.detail-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 25px;
    line-height: 1.4;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.detail-content p {
    font-size: 14px;
    line-height: 2;
    color: var(--text-light);
    margin-bottom: 20px;
    text-align: justify;
    text-indent: 2em;
}

.detail-content p:last-child {
    margin-bottom: 0;
}

/* 右侧边栏 */
.detail-sidebar {
    width: 360px;
    flex-shrink: 0;
}

.sidebar-section {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.sidebar-title {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    background-color: var(--primary-color);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    margin: 0;
}

.sidebar-title i {
    font-size: 14px;
}

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

.recommend-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 20px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.recommend-item:last-child {
    border-bottom: none;
}

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

.recommend-icon {
    font-size: 8px;
    color: var(--primary-color);
    margin-top: 6px;
    flex-shrink: 0;
}

.recommend-item:hover .recommend-icon {
    color: var(--primary-color);
}

.recommend-text {
    line-height: 1.5;
}

/* 简化版侧边栏样式 */
.sidebar-section-simple {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.sidebar-title-simple {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-title-simple i {
    font-size: 16px;
    color: var(--primary-color);
}

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

.recommend-list-simple li {
    border-bottom: 1px solid var(--border-color);
}

.recommend-list-simple li:last-child {
    border-bottom: none;
}

.recommend-item-simple {
    display: block;
    padding: 16px 20px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.6;
    transition: var(--transition);
}

.recommend-item-simple:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* 关于我们页面新样式 */
.about-section-new {
    padding: 40px 0 80px;
    background-color: #fff;
}

.about-layout {
    display: flex;
    gap: 30px;
}

/* 左侧边栏 */
.about-sidebar {
    width: 200px;
    flex-shrink: 0;
}

/* 关于我们导航盒子 */
.sidebar-nav-box {
    background-color: #fff;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* 关于我们标题区 */
.sidebar-header {
    padding: 20px 0;
    text-align: center;
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.sidebar-subtitle {
    font-size: 12px;
    color: var(--text-lighter);
    text-transform: uppercase;
}

/* 导航菜单 */
.about-nav {
    padding: 0 15px 15px;
}

.about-nav-item {
    display: block;
    padding: 12px 0;
    color: var(--text-color);
    font-size: 14px;
    text-align: center;
    transition: var(--transition);
    border-radius: 4px;
    margin-bottom: 5px;
}

.about-nav-item:last-child {
    margin-bottom: 0;
}

.about-nav-item:hover,
.about-nav-item.active {
    color: var(--primary-color);
    background-color: #fff5f2;
}

/* 推荐新闻 */
.sidebar-news {
    background-color: #fff;
    padding: 20px 15px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.sidebar-news-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 4px;
}

.sidebar-news-subtitle {
    font-size: 12px;
    color: var(--text-lighter);
    text-transform: uppercase;
    display: block;
    text-align: center;
    margin-bottom: 15px;
}

.sidebar-news-list {
    list-style: none;
}

.sidebar-news-list li {
    border-bottom: 1px solid var(--border-color);
}

.sidebar-news-list li:last-child {
    border-bottom: none;
}

.sidebar-news-list a {
    display: block;
    padding: 12px 0;
    color: var(--text-color);
    font-size: 13px;
    line-height: 1.5;
    transition: var(--transition);
}

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

/* 右侧内容区 */
.about-main {
    flex: 1;
    background-color: #fff;
    /* padding: 40px; */
    padding-left: 20px;
    padding-top: 0;
    border-radius: 8px;
}

.about-content-section {
    display: none;
}

.about-content-section.active {
    display: block;
}

/* 联系方式样式 */
.contact-info-list {
    padding: 20px 0;
}

.contact-info-row {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-info-row:last-child {
    margin-bottom: 0;
}

.contact-info-label {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100px;
    flex-shrink: 0;
    font-size: 15px;
    color: var(--text-color);
    font-weight: 500;
}

.contact-info-label i {
    color: var(--primary-color);
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.contact-info-value {
    flex: 1;
    font-size: 15px;
    color: var(--text-color);
    line-height: 1.6;
}

/* 在线留言表单样式 */
.contact-form-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 25px;
}

.contact-form-title i {
    color: var(--primary-color);
}

.contact-form-simple {
    max-width: 500px;
}

.form-group-simple {
    margin-bottom: 20px;
}

.form-group-simple label {
    display: block;
    font-size: 14px;
    color: var(--text-color);
    margin-bottom: 8px;
}

.form-group-simple input,
.form-group-simple textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    color: var(--text-color);
    background-color: #fff;
    transition: var(--transition);
}

.form-group-simple input:focus,
.form-group-simple textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group-simple input::placeholder,
.form-group-simple textarea::placeholder {
    color: var(--text-lighter);
}

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

.btn-submit {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.about-main-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 15px;
}

.about-divider {
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    margin-bottom: 30px;
}

.about-text {
    font-size: 14px;
    line-height: 2;
    color: var(--text-color);
}

.about-text p {
    margin-bottom: 20px;
}

.about-text strong {
    font-weight: 600;
}

/* 品牌形象大图 */
.brand-image-large {
    margin-top: 30px;
    border-radius: 8px;
    overflow: hidden;
}

.brand-image-large img {
    width: 100%;
    height: auto;
    display: block;
}

/* 新的时间轴样式 */
.history-timeline {
    margin-top: 40px;
    position: relative;
}

.history-timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item-new {
    display: flex;
    gap: 20px;
    margin-bottom: 35px;
    position: relative;
}

.timeline-item-new:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 5px;
    position: relative;
    z-index: 1;
}

.timeline-content-new h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

.timeline-content-new p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-light);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .detail-wrapper {
        flex-direction: column;
        gap: 20px;
    }
    
    .detail-sidebar {
        width: 100%;
    }
    
    .detail-title {
        font-size: 20px;
    }
    
    .detail-content {
        padding: 20px;
    }

    .about-layout {
        flex-direction: column;
    }

    .about-sidebar {
        width: 100%;
    }

    .about-main {
        padding: 20px;
    }
}

/* 视频页面简化样式 */
.videos-grid-simple {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.video-card {
    width: 100%;
    height: 280px;
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    cursor: pointer;
}

.video-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.video-card-image {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.video-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.video-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, transparent 100%);
}

.video-card-title {
    font-size: 14px;
    color: #fff;
    font-weight: 500;
    line-height: 1.5;
    text-align: left;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.video-card:hover .video-play-btn {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translate(-50%, -50%) scale(1.1);
}

@media (max-width: 768px) {
    .videos-grid-simple {
        grid-template-columns: 1fr;
    }
    
    .video-card-image {
        height: 200px;
    }
}

/* PDF页面简化样式 */
.pdf-grid-simple {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.pdf-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    cursor: pointer;
}

.pdf-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.pdf-card-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.pdf-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.pdf-card-title {
    padding: 16px;
    font-size: 14px;
    color: var(--text-color);
    line-height: 1.5;
}

/* PDF图标卡片样式 */
.media-card.pdf-icon-card {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    height: 280px;
    background: #fff;
    border: none;
    text-align: center;
    position: relative;
}

.media-card.pdf-icon-card .pdf-icon-img {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    display: block;
    object-fit: contain;
}

.media-card.pdf-icon-card .pdf-title {
    font-size: 16px;
    color: var(--text-color);
    font-weight: 500;
    text-align: center;
    padding: 0 20px;
    display: block;
    width: 100%;
    position: relative;
}

@media (max-width: 1024px) {
    .pdf-grid-simple {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

@media (max-width: 480px) {
    .pdf-grid-simple {
        grid-template-columns: 1fr;
    }
}

.footer-icp {
        justify-content: center;
        color: var(--text-lighter);
        font-size: 12px;
    }
    .footer-psb{
        display: flex;
        align-items: center;
         justify-content: center;
        color: var(--text-lighter);
        font-size: 12px;
    }
    .footer-icp {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-icp:hover {
    opacity: 0.8;
}

.icp-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    margin-right: 4px;
}