/* ========================================
   企业官网模板 - 全局样式
   ======================================== */

/* CSS变量定义 */
:root {
    --primary-color: #c41230;
    --primary-dark: #a00f28;
    --secondary-color: #1a1a1a;
    --bg-color: #ffffff;
    --bg-light: #f5f5f5;
    --border-color: #e0e0e0;
    --text-color: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --max-width: 1200px;
    --header-height: 80px;
    --transition: all 0.3s ease;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* 容器 */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 15px;
}

/* ========================================
   顶部信息栏
   ======================================== */
.top-bar {
    background-color: var(--secondary-color);
    color: #fff;
    padding: 8px 0;
    font-size: 12px;
}

/* 多语言切换 - 地球图标下拉 */
.language-dropdown {
    position: relative;
    margin-right: 15px;
}

.language-toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #dfdfdf;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    color: #fff;
    font-size: 16px;
}

.language-toggle:hover {
    background-color: var(--primary-color);
}

.language-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    min-width: 140px;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
    overflow: hidden;
}

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

.language-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    color: var(--text-color);
    font-size: 13px;
    transition: var(--transition);
}

.language-menu li a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.language-menu li a.active {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.language-menu li a img {
    width: 20px;
    height: 14px;
    object-fit: cover;
    border-radius: 2px;
}

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

.top-bar-left {
    display: flex;
    gap: 20px;
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.top-bar-left i {
    color: var(--primary-color);
}

.top-bar-right {
    display: flex;
    gap: 15px;
}

.top-bar-right a {
    color: #fff;
    opacity: 0.8;
}

.top-bar-right a:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* ========================================
   导航栏
   ======================================== */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

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

.logo img {
    height: 50px;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.logo-text span {
    color: var(--secondary-color);
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    gap: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu li a {
    display: block;
    padding: 0 25px;
    height: var(--header-height);
    line-height: var(--header-height);
    color: var(--text-color);
    font-size: 15px;
    font-weight: 500;
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-menu li a:hover::after,
.nav-menu li.active a::after {
    width: 100%;
}

.nav-menu li a:hover,
.nav-menu li.active a {
    color: var(--primary-color);
}

/* 下拉菜单 */
.nav-menu li:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: #fff;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    border-top: 2px solid var(--primary-color);
}

.dropdown li a {
    height: 45px;
    line-height: 45px;
    padding: 0 20px;
    border-bottom: 1px solid var(--border-color);
}

.dropdown li a::after {
    display: none;
}

.dropdown li a:hover {
    background-color: var(--bg-light);
    padding-left: 25px;
}

/* 多级下拉菜单 */
.dropdown li {
    position: relative;
}

.dropdown .dropdown {
    position: absolute;
    top: 0;
    left: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    border-top: none;
    border-left: 2px solid var(--primary-color);
}

.dropdown li:hover > .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.dropdown li.has-submenu > a::after {
    content: '›';
    position: absolute;
    right: 15px;
    font-size: 18px;
}

/* 搜索按钮 */
.nav-search-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-light);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    margin-left: 15px;
}

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

/* 搜索弹窗 */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.search-modal.active {
    display: flex;
    opacity: 1;
}

.search-modal-content {
    width: 90%;
    max-width: 700px;
    position: relative;
}

.search-modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    color: #fff;
    font-size: 30px;
    cursor: pointer;
    transition: var(--transition);
}

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

.search-modal-form {
    display: flex;
    gap: 10px;
}

.search-modal-input {
    flex: 1;
    padding: 15px 25px;
    font-size: 18px;
    border: none;
    border-radius: 4px;
    background-color: #fff;
}

.search-modal-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(196, 18, 48, 0.3);
}

.search-modal-submit {
    padding: 15px 35px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
}

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

.search-modal-hot {
    margin-top: 30px;
    color: #fff;
}

.search-modal-hot h4 {
    font-size: 14px;
    margin-bottom: 15px;
    opacity: 0.7;
}

.search-modal-hot-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.search-modal-hot-tags a {
    padding: 8px 16px;
    background-color: rgba(255,255,255,0.1);
    color: #fff;
    border-radius: 20px;
    font-size: 13px;
    transition: var(--transition);
}

.search-modal-hot-tags a:hover {
    background-color: var(--primary-color);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    width: 30px;
    height: 24px;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   Banner轮播
   ======================================== */
.banner {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.banner-slider {
    position: relative;
    height: 100%;
}

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

.banner-slide.active {
    opacity: 1;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 10;
    width: 90%;
    max-width: 800px;
}

.banner-content h2 {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease;
}

.banner-content p {
    font-size: 18px;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease 0.3s both;
}

.banner-btn {
    display: inline-block;
    padding: 12px 35px;
    background-color: var(--primary-color);
    color: #fff;
    font-size: 16px;
    border-radius: 4px;
    animation: fadeInUp 1s ease 0.6s both;
}

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

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.6), rgba(0,0,0,0.3));
}

/* Banner指示器 */
.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 20;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: var(--transition);
}

.banner-dot.active {
    background-color: var(--primary-color);
}

/* Banner箭头 */
.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    z-index: 20;
}

.banner-arrow:hover {
    background-color: var(--primary-color);
}

.banner-arrow.prev {
    left: 30px;
}

.banner-arrow.next {
    right: 30px;
}

/* ========================================
   新闻滚动条
   ======================================== */
.news-ticker {
    background-color: var(--bg-light);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.news-ticker .container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.news-ticker-label {
    background-color: var(--primary-color);
    color: #fff;
    padding: 5px 15px;
    font-size: 13px;
    font-weight: bold;
    white-space: nowrap;
}

.news-ticker-content {
    flex: 1;
    overflow: hidden;
    position: relative;
    height: 24px;
}

.news-ticker-list {
    position: absolute;
    width: 100%;
    animation: ticker 15s linear infinite;
}

.news-ticker-list li {
    height: 24px;
    line-height: 24px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-ticker-list li a {
    color: var(--text-color);
}

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

/* ========================================
   板块标题
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 32px;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-subtitle {
    font-size: 14px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ========================================
   产品展示
   ======================================== */
.products-section {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.product-card {
    background-color: #fff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

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

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

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(196, 18, 48, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.product-overlay a {
    color: #fff;
    padding: 10px 25px;
    border: 2px solid #fff;
    border-radius: 4px;
    font-weight: 500;
}

.product-overlay a:hover {
    background-color: #fff;
    color: var(--primary-color);
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.product-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   关于我们
   ======================================== */
.about-section {
    padding: 80px 0;
    background-color: #fff;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.about-text h3 span {
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.about-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.about-feature-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-top: 3px;
}

.about-feature-item h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

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

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 4px;
    z-index: -1;
}

/* ========================================
   工厂环境
   ======================================== */
.factory-section {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.factory-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.factory-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    height: 250px;
}

.factory-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.factory-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: #fff;
    transform: translateY(100%);
    transition: var(--transition);
}

.factory-item:hover .factory-item-overlay {
    transform: translateY(0);
}

.factory-item-overlay h4 {
    font-size: 16px;
}

/* ========================================
   公司优势
   ======================================== */
.advantages-section {
    padding: 80px 0;
    background-color: #fff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 40px 25px;
    background-color: var(--bg-light);
    border-radius: 4px;
    transition: var(--transition);
}

.advantage-card:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.advantage-card:hover h4,
.advantage-card:hover p {
    color: #fff;
}

.advantage-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    transition: var(--transition);
}

.advantage-card:hover .advantage-icon {
    background-color: #fff;
    color: var(--primary-color);
}

.advantage-card h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.advantage-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   新闻动态（含幻灯片）
   ======================================== */
.news-section {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.news-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.news-section .section-header {
    grid-column: 1 / -1;
}

/* 新闻幻灯片 */
.news-slider {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.news-slider-item {
    position: relative;
    height: 350px;
    display: none;
}

.news-slider-item.active {
    display: block;
}

.news-slider-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-slider-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: #fff;
}

.news-slider-content h4 {
    font-size: 20px;
    margin-bottom: 10px;
}

.news-slider-content h4 a {
    color: #fff;
}

.news-slider-content h4 a:hover {
    color: var(--primary-color);
}

.news-slider-content p {
    font-size: 13px;
    opacity: 0.9;
    line-height: 1.6;
}

.news-slider-dots {
    position: absolute;
    bottom: 15px;
    right: 15px;
    display: flex;
    gap: 8px;
}

.news-slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: var(--transition);
}

.news-slider-dot.active {
    background-color: var(--primary-color);
}

/* 新闻列表 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.news-item {
    display: flex;
    gap: 25px;
    background-color: #fff;
    padding: 25px;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.news-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.news-date {
    min-width: 80px;
    text-align: center;
    padding: 15px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 4px;
}

.news-date .day {
    display: block;
    font-size: 32px;
    font-weight: bold;
    line-height: 1;
}

.news-date .month {
    display: block;
    font-size: 14px;
    margin-top: 5px;
}

.news-content {
    flex: 1;
}

.news-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.news-content h4 a:hover {
    color: var(--primary-color);
}

.news-content p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
}

.news-meta {
    display: flex;
    gap: 20px;
    font-size: 12px;
    color: var(--text-light);
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ========================================
   展会风采（滚动效果）
   ======================================== */
.gallery-section {
    padding: 80px 0;
    background-color: #fff;
    overflow: hidden;
}

.gallery-scroll-container {
    position: relative;
    overflow: hidden;
}

.gallery-scroll-track {
    display: flex;
    gap: 20px;
    animation: galleryScroll 30s linear infinite;
}

.gallery-scroll-track:hover {
    animation-play-state: paused;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    height: 180px;
    min-width: 280px;
    flex-shrink: 0;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: #fff;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-item-overlay {
    transform: translateY(0);
}

.gallery-item-overlay h5 {
    font-size: 14px;
}

@keyframes galleryScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background-color: var(--secondary-color);
    color: #fff;
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-about p {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
}

.footer-contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 13px;
    color: rgba(255,255,255,0.7);
}

.footer-contact-info i {
    color: var(--primary-color);
    margin-top: 3px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links li a {
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links li a::before {
    content: '>';
    font-size: 10px;
    color: var(--primary-color);
}

.footer-links li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-news li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-news li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.footer-news li a {
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    line-height: 1.6;
    display: block;
}

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

.footer-news li span {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    margin-top: 5px;
}

/* 底部版权 */
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
}

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

.footer-bottom p {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
}

.footer-bottom-links a:hover {
    color: var(--primary-color);
}

/* ========================================
   内页通用样式
   ======================================== */
.page-banner {
    height: 300px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.page-banner-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: #fff;
}

.page-banner-content h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

.page-banner-content p {
    font-size: 14px;
    opacity: 0.8;
}

/* 面包屑导航 */
.breadcrumb {
    background-color: var(--bg-light);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

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

.breadcrumb-separator {
    color: var(--text-light);
}

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

/* 页面内容 */
.page-content {
    padding: 60px 0;
}

/* 侧边栏 */
.page-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
}

.sidebar {
    background-color: var(--bg-light);
    border-radius: 4px;
    overflow: hidden;
}

.sidebar-title {
    background-color: var(--primary-color);
    color: #fff;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: bold;
}

.sidebar-menu li a {
    display: block;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 14px;
    transition: var(--transition);
}

.sidebar-menu li a:hover,
.sidebar-menu li.active a {
    background-color: #fff;
    color: var(--primary-color);
    padding-left: 25px;
}

/* 主内容区 */
.main-content {
    min-height: 500px;
}

.content-title {
    font-size: 24px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
    position: relative;
}

.content-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: var(--primary-color);
}

/* ========================================
   产品列表页（手风琴分类）
   ======================================== */
.products-page-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
}

/* 手风琴分类菜单 */
.accordion-menu {
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    overflow: hidden;
}

.accordion-title {
    background-color: var(--primary-color);
    color: #fff;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: bold;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

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

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.accordion-header:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.accordion-header.active {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.accordion-header i {
    transition: var(--transition);
}

.accordion-header.active i {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content.active {
    max-height: 500px;
}

.accordion-content ul li a {
    display: block;
    padding: 10px 20px 10px 40px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.accordion-content ul li a:hover,
.accordion-content ul li a.active {
    color: var(--primary-color);
    background-color: var(--bg-light);
}

/* 推荐产品区域 */
.recommended-products {
    margin-top: 25px;
    padding: 20px;
    background-color: var(--bg-light);
    border-radius: 4px;
}

.recommended-products h4 {
    font-size: 14px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.recommended-item {
    display: flex;
    gap: 12px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

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

.recommended-item img {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 4px;
}

.recommended-item-info h5 {
    font-size: 13px;
    margin-bottom: 5px;
}

.recommended-item-info h5 a:hover {
    color: var(--primary-color);
}

.recommended-item-info p {
    font-size: 12px;
    color: var(--text-light);
}

/* 产品筛选（保留用于其他页面） */
.products-filter {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.products-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

/* 产品详情页 */
.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.product-detail-images {
    position: relative;
}

.product-detail-main-image {
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
}

.product-detail-main-image img {
    width: 100%;
}

.product-detail-thumbs {
    display: flex;
    gap: 10px;
}

.product-detail-thumb {
    width: 80px;
    height: 80px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.product-detail-thumb.active,
.product-detail-thumb:hover {
    border-color: var(--primary-color);
}

.product-detail-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-detail-info h2 {
    font-size: 24px;
    margin-bottom: 15px;
}

.product-detail-desc {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 25px;
}

.product-params {
    margin-bottom: 25px;
}

.product-params h4 {
    font-size: 16px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.product-params table {
    width: 100%;
    border-collapse: collapse;
}

.product-params td {
    padding: 10px;
    border: 1px solid var(--border-color);
    font-size: 13px;
}

.product-params td:first-child {
    background-color: var(--bg-light);
    width: 30%;
    font-weight: 500;
}

.product-detail-actions {
    display: flex;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

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

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

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

/* ========================================
   新闻列表页
   ======================================== */
.news-list-page .news-item {
    margin-bottom: 20px;
}

.news-item-image {
    width: 200px;
    height: 150px;
    border-radius: 4px;
    overflow: hidden;
}

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

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

/* 新闻详情页 */
.news-detail-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.news-detail-header h1 {
    font-size: 28px;
    margin-bottom: 15px;
}

.news-detail-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-light);
}

.news-detail-content {
    line-height: 1.8;
    color: var(--text-secondary);
}

.news-detail-content p {
    margin-bottom: 15px;
}

.news-detail-content img {
    max-width: 100%;
    border-radius: 4px;
    margin: 20px 0;
}

.news-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.news-nav a {
    font-size: 14px;
    color: var(--text-secondary);
}

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

/* ========================================
   视频列表页
   ======================================== */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.video-card {
    background-color: #fff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: var(--transition);
}

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

.video-thumbnail {
    position: relative;
    height: 180px;
    overflow: hidden;
}

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

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(196, 18, 48, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    transition: var(--transition);
}

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

.video-info {
    padding: 20px;
}

.video-info h4 {
    font-size: 16px;
    margin-bottom: 10px;
}

.video-info p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 视频详情页 */
.video-player-container {
    background-color: #000;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 30px;
}

.video-player {
    width: 100%;
    aspect-ratio: 16/9;
}

/* ========================================
   关于我们页面
   ======================================== */
.about-page-content p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-page-image {
    margin: 30px 0;
    border-radius: 4px;
    overflow: hidden;
}

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

/* 企业文化 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.culture-item {
    text-align: center;
    padding: 30px;
    background-color: var(--bg-light);
    border-radius: 4px;
}

.culture-item i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.culture-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.culture-item p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 发展历程 */
.timeline {
    position: relative;
    padding-left: 30px;
    margin: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: var(--primary-color);
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 5px;
    width: 12px;
    height: 12px;
    background-color: var(--primary-color);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--primary-color);
}

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

.timeline-content {
    background-color: var(--bg-light);
    padding: 15px 20px;
    border-radius: 4px;
}

.timeline-content h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

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

/* 荣誉资质 */
.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 40px 0;
}

.honor-item {
    text-align: center;
    padding: 20px;
    background-color: var(--bg-light);
    border-radius: 4px;
    transition: var(--transition);
}

.honor-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.honor-item img {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    object-fit: contain;
}

.honor-item h4 {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ========================================
   联系我们页面
   ======================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-form {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 4px;
}

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

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

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

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

.contact-info-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.contact-info-list {
    margin-bottom: 30px;
}

.contact-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.contact-info-list li:last-child {
    border-bottom: none;
}

.contact-info-list i {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.contact-info-list h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.contact-info-list p {
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-map {
    border-radius: 4px;
    overflow: hidden;
    height: 300px;
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

/* ========================================
   分页
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: var(--transition);
}

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

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

/* ========================================
   动画
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes ticker {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-100%);
    }
}

/* 滚动显示动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   搜索页面
   ======================================== */
.search-page-header {
    background-color: var(--bg-light);
    padding: 40px 0;
    margin-bottom: 40px;
}

.search-page-form {
    display: flex;
    gap: 10px;
    max-width: 700px;
    margin: 0 auto;
}

.search-page-input {
    flex: 1;
    padding: 15px 20px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    transition: var(--transition);
}

.search-page-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-page-submit {
    padding: 15px 30px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
}

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

.search-results-info {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.search-results-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.search-results-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

.search-results-info span {
    color: var(--primary-color);
    font-weight: bold;
}

.search-result-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background-color: #fff;
    border-radius: 4px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.search-result-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.search-result-image {
    width: 180px;
    height: 120px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}

.search-result-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.search-result-content {
    flex: 1;
}

.search-result-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.search-result-content h4 a:hover {
    color: var(--primary-color);
}

.search-result-content p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.search-result-meta {
    display: flex;
    gap: 20px;
    font-size: 12px;
    color: var(--text-light);
}

.search-result-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.search-no-results {
    text-align: center;
    padding: 60px 20px;
}

.search-no-results i {
    font-size: 80px;
    color: var(--border-color);
    margin-bottom: 20px;
}

.search-no-results h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.search-no-results p {
    color: var(--text-secondary);
}

/* ========================================
   404页面
   ======================================== */
.error-page {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
}

.error-content {
    text-align: center;
    max-width: 600px;
}

.error-code {
    font-size: 150px;
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 20px;
}

.error-code span {
    color: var(--text-light);
}

.error-title {
    font-size: 28px;
    margin-bottom: 15px;
}

.error-desc {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 30px;
    line-height: 1.6;
}

.error-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   申请弹窗
   ======================================== */
.apply-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 20px;
}

.apply-modal.active {
    display: flex;
    opacity: 1;
}

.apply-modal-content {
    background-color: #fff;
    border-radius: 8px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.apply-modal-header {
    padding: 25px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.apply-modal-header h3 {
    font-size: 20px;
    color: var(--secondary-color);
}

.apply-modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-light);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.apply-modal-close:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.apply-modal-body {
    padding: 30px;
}

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

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

.apply-form .form-group:last-child {
    margin-bottom: 0;
}

.apply-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.apply-form label .required {
    color: var(--primary-color);
}

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

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

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

.apply-form .file-upload {
    position: relative;
}

.apply-form .file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.apply-form .file-upload-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    border: 2px dashed var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.apply-form .file-upload:hover .file-upload-label {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.apply-form .file-upload-label i {
    font-size: 20px;
}

.apply-form-submit {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

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

/* ========================================
   页脚二维码区域
   ======================================== */
.footer-qr-section {
    display: flex;
    gap: 30px;
    margin-top: 20px;
}

.footer-qr-item {
    text-align: center;
}

.footer-qr-item .qr-placeholder {
    width: 100px;
    height: 100px;
    background-color: #fff;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.footer-qr-item .qr-placeholder i {
    font-size: 40px;
    color: var(--text-light);
}

.footer-qr-item p {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
}

/* 重新设计的页脚 */
.footer-new-layout .footer-content {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
}

.footer-contact-qr {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.footer-contact-info-wrapper {
    flex: 1;
}

.footer-qr-wrapper {
    display: flex;
    gap: 20px;
}

.footer-qr-box {
    text-align: center;
}

.footer-qr-box .qr-code {
    width: 90px;
    height: 90px;
    background-color: #fff;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.footer-qr-box .qr-code i {
    font-size: 36px;
    color: var(--text-light);
}

.footer-qr-box span {
    font-size: 11px;
    color: rgba(255,255,255,0.6);
}

/* ========================================
   招聘页面
   ======================================== */
.recruitment-section {
    padding: 60px 0;
}

.recruitment-intro {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: 4px;
    margin-bottom: 50px;
}

.recruitment-intro h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.recruitment-intro p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.recruitment-benefits {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin: 40px 0;
}

.recruitment-benefit-item {
    text-align: center;
    padding: 30px 20px;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.recruitment-benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.recruitment-benefit-item i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.recruitment-benefit-item h4 {
    font-size: 16px;
    margin-bottom: 8px;
}

.recruitment-benefit-item p {
    font-size: 13px;
    color: var(--text-secondary);
}

.job-list {
    margin-top: 40px;
}

.job-item {
    background-color: #fff;
    border-radius: 4px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    overflow: hidden;
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.job-header:hover {
    background-color: var(--bg-light);
}

.job-header.active {
    border-bottom-color: var(--border-color);
}

.job-title-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.job-title-section h4 {
    font-size: 18px;
}

.job-tags {
    display: flex;
    gap: 10px;
}

.job-tag {
    padding: 4px 12px;
    background-color: var(--bg-light);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

.job-tag.salary {
    background-color: var(--primary-color);
    color: #fff;
}

.job-action {
    display: flex;
    align-items: center;
    gap: 20px;
}

.job-action i {
    transition: var(--transition);
}

.job-header.active .job-action i {
    transform: rotate(180deg);
}

.job-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.job-content.active {
    max-height: 1000px;
}

.job-detail {
    padding: 25px;
}

.job-section {
    margin-bottom: 25px;
}

.job-section:last-child {
    margin-bottom: 0;
}

.job-section h5 {
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.job-section ul {
    margin-left: 20px;
}

.job-section ul li {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 5px;
}

.job-apply-btn {
    display: inline-block;
    padding: 12px 35px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 4px;
    margin-top: 15px;
    transition: var(--transition);
}

.job-apply-btn:hover {
    background-color: var(--primary-dark);
    color: #fff;
}

/* ========================================
   新闻列表页侧边栏样式
   ======================================== */
.sidebar-left .recommended-products ul li {
    transition: var(--transition);
}

.sidebar-left .recommended-products ul li:hover {
    background-color: var(--bg-light);
}

.sidebar-left .recommended-products ul li a:hover {
    color: var(--primary-color);
}

.sidebar-left .recommended-products ul li:last-child {
    border-bottom: none;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1200px) {
    .products-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .factory-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: #fff;
        flex-direction: column;
        padding: 20px;
        transition: var(--transition);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li a {
        height: auto;
        line-height: 1.5;
        padding: 15px 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu li a::after {
        display: none;
    }
    
    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-top: none;
        display: none;
        border-left: none;
    }
    
    .dropdown.active {
        display: block;
    }
    
    .dropdown .dropdown {
        position: static;
        transform: none;
        border-left: none;
        padding-left: 20px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .banner {
        height: 400px;
    }
    
    .banner-content h2 {
        font-size: 28px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image::before {
        display: none;
    }
    
    .page-layout,
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        order: 2;
    }
    
    .products-list-grid,
    .videos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-detail-layout {
        grid-template-columns: 1fr;
    }
    
    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    /* 新闻区域响应式 */
    .news-section .container {
        grid-template-columns: 1fr;
    }
    
    .news-slider {
        margin-bottom: 30px;
    }
    
    .news-slider-item {
        height: 280px;
    }
    
    /* 产品页面响应式 */
    .products-page-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar-left {
        order: 2;
    }
}

@media (max-width: 768px) {
    .top-bar-left {
        display: none;
    }
    
    .banner {
        height: 300px;
    }
    
    .banner-content h2 {
        font-size: 22px;
    }
    
    .banner-content p {
        font-size: 14px;
    }
    
    .banner-arrow {
        display: none;
    }
    
    .products-grid,
    .advantages-grid,
    .factory-gallery,
    .products-list-grid,
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-item {
        flex-direction: column;
    }
    
    .news-date {
        display: flex;
        align-items: center;
        gap: 10px;
        min-width: auto;
    }
    
    .news-date .day,
    .news-date .month {
        display: inline;
        font-size: 16px;
    }
    
    .news-item-image {
        width: 100%;
        height: 200px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom .container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .honors-grid {
        grid-template-columns: 1fr;
    }
    
    .product-detail-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 20px;
    }
    
    .banner-content h2 {
        font-size: 18px;
    }
    
    .page-banner {
        height: 200px;
    }
    
    .page-banner-content h2 {
        font-size: 24px;
    }
}