/*
Theme Name: custom-theme
Theme URI: https://hcsvtanker.com/
Author: custom-theme
Author URI: https://hcsvtanker.com/
Description: Hebei Changhua Special Vehicle Co.,Ltd（HCSV）
Version: 1.0
Text Domain: custom-theme
*/

html, body {
    overflow-x: hidden;
}

.main-banner-wrap,
.hot-sale-outer,
.advantages-outer,
.news-home-outer {
    width: 100%;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    background: #000 !important;
}

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

img {
		max-width: 100%;
		height: auto;
		transition: opacity 0.3s ease;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

#page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 头部样式 */
.site-header {
    background-color: #000;
    color: #fff;
    width: 100%;
    background: #000;
    margin: 0;
    padding: 0;
}
.site-header-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}
.main-navigation {
    flex: 1;
}
.menu {
    display: flex;
}
.menu a {
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    padding: 0 0 2px 0;
    border-bottom: 2px solid transparent;
    transition: border 0.2s;
	width: 120px;
	text-align: center;
		
}
.menu li.current-menu-item a,
.menu a.active {
    color: #e60012;
}
.header-search {
    margin: 0;
}
.site-branding {
    display: flex;
}

.site-logo {
    max-height: 40px;
	max-width: 40px;
}

.site-logo img {
    max-height: 100%;
    display: block;
}

.header-right {
    display: flex;
    align-items: center;
}

.header-search {
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    border-radius: 3px;
}

.header-search .search-field {
    height: 30px;
    border: none;
    background-color: #fff;
    font-size: 14px;
    flex: 1;
    padding: 0 10px;
}

.header-search .search-field:focus {
    border: none;
    outline: none;
}

.header-search .search-button {
    background: none;
    border: none;
    padding: 0;
    margin: 0 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-search .search-button img {
    width: 20px;
    height: 20px;
}

.language-selector {
    position: relative;
	padding: 0 0 0 50px;
}

.language-link {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
}

.language-link img{
    width: 15px;
    height: 15px;
    margin-left: 5px;
}

.header-nav {
    padding: 10px 0;
}

/* 导航 */
.main-navigation {
    display: flex;
    justify-content: flex-start;
    position: relative;
}

.menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu li {
    position: relative;
}

.menu li:last-child {
    margin-right: 30px;
}

.menu a {
    font-weight: 500;
    display: block;
    padding: 10px 0;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
		min-width: 64px;
}

/* 移动端菜单样式 */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    padding: 10px;
    cursor: pointer;
}

.menu-icon {
    display: block;
    width: 16px;
    height: 2px;
    background-color: #fff;
    position: relative;
    transition: all 0.3s ease;
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background-color: #fff;
    position: absolute;
    transition: all 0.3s ease;
}

.menu-icon::before {
    top: -5px;
}

.menu-icon::after {
    bottom: -5px;
}

/* 菜单图标激活状态 */
.menu-icon.active {
    background-color: transparent;
}

.menu-icon.active::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-icon.active::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* 全屏模式 */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute !important;
    width: 1px;
    word-wrap: normal !important;
}

/* 首页banner */
.hero-banner {
    width: 100%;
    background-color: #f0f0f0;
    margin-bottom: 30px;
}

.hero-image {
    width: 100%;
    height: 300px;
    background-color: #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

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

.image-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #333;
    font-size: 24px;
    text-align: center;
}

/* 通栏标题 */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.section-title {
    font-size: 28px;
    margin: 0;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
}

.section-subtitle {
    font-size: 16px;
    margin: 0 auto 0 10px;
    color: #666;
}

.view-more {
    display: flex;
}

.more-link {
    display: inline-block;
    padding: 5px 10px;
    background-color: #e60012;
    color: #fff;
    text-decoration: none;
    margin-left: 5px;
    font-size: 14px;
}

.more-link:hover {
    background-color: #c00;
}

/* 热销产品区 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.product-item {
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.product-image {
    display: block;
    height: 200px;
    background-color: #000;
}

.product-info {
    padding: 10px;
}

.product-link {
    color: #333;
    font-size: 16px;
    text-decoration: none;
}

/* 优势区 */
.advantages-section {
    margin-bottom: 40px;
    background-color: #222;
    color: #fff;
    padding: 30px 0;
}

.advantages-title {
    color: #fff;
    text-align: center;
    font-size: 32px;
}

.advantages-content {
    display: flex;
}

.company-intro {
    flex: 1;
    padding: 30px;
    background-color: #fff;
    color: #333;
}

.company-intro h3 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: bold;
}

.intro-text {
    margin-bottom: 20px;
    line-height: 1.6;
}

.intro-buttons {
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 5px 15px;
    background-color: #000;
    color: #fff;
    text-decoration: none;
    margin-right: 5px;
    font-weight: bold;
}

.company-image {
    flex: 1;
    background-color: #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-item {
    transition: transform 0.3s;
    overflow: hidden;
}

.news-image {
    height: 150px;
    background-color: #e6e6e6;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.news-content {
    flex: 1;
}

.news-title {
    text-align: left;
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 10px;
    color: rgb(34, 34, 34);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-excerpt {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

.home-link {
    background-color: #333;
}

/* 特色文章 */
.featured-posts {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.featured-post {
    flex: 0 0 calc(33.333% - 30px);
    margin: 0 15px 30px;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 5px;
    overflow: hidden;
}

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

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

.featured-post:hover .featured-image img {
    transform: scale(1.05);
}

.post-content {
    padding: 20px;
}

.entry-title {
    font-size: 20px;
    margin-bottom: 10px;
}

.entry-meta {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.entry-summary {
    margin-bottom: 15px;
}

.read-more {
    display: inline-block;
    font-weight: 500;
    color: #0073aa;
}

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

/* 关于我们 */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* 联系我们 */
.cta-section {
    text-align: center;
}

.cta-description {
    max-width: 700px;
    margin: 0 auto 30px;
    font-size: 18px;
}

/* 底部 */
.site-footer {
    background: #000;
    color: #fff;
    padding: 40px 0;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    width: 100vw;
    max-width: 1200px;
    margin: 0 auto;
}
.footer-nav {
    width: 320px;
}
.footer-menu {
    list-style: none;
    padding: 0;
}
.footer-menu li {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-bottom: 10px;
}
.footer-menu img {
    width: 15px;
    height: 15px;
    margin-right: 10px;
}
.footer-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
}
.footer-info {
    flex: 2;
    display: flex;
    justify-content: space-between;
}
.footer-contact {
    flex: 1;
}
.footer-contact p {
    margin-bottom: 10px;
    font-size: 18px;
}
.footer-social {
    flex: 1;
    display: flex;
    justify-content: space-around;
}


.header-flex-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0;
    height: 64px;
    background: #000;
}
.site-branding {
    flex-shrink: 0;
}
.header-nav {
    margin: 0 20px 0 80px;
}
.header-right {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 16px;
}
.footer-social {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    justify-content: flex-end;
}

.social-item {
    text-align: center;
}
.social-qr {
    width: 100px;
    height: 100px;
    background: #e6e6e6;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 10px 10px;
    border-radius: 10px;
}
.social-item p {
    font-size: 12px;
    color: #fff;
}

/* 搜索 */
.search-form {
    display: flex;
    margin-bottom: 30px;
}

.search-field {
    flex-grow: 1;
	width: 300px;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-right: none;
    border-radius: 4px 0 0 4px;
}

.search-submit {
    background-color: #0073aa;
    color: #fff;
    border: none;
    padding: 0 15px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
}

.search-submit:hover {
    background-color: #005d87;
}

/* 404 Page */
.error-404 {
    text-align: center;
    padding: 60px 0;
}

.error-404 .page-title {
    font-size: 36px;
    margin-bottom: 20px;
}

.error-404 .page-content p {
    margin-bottom: 30px;
}

.error-404-widgets {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 40px;
}

.error-404-widgets .widget-area {
    max-width: 600px;
    margin: 0 auto;
}

.error-404-widgets .widget {
    margin-bottom: 30px;
}

.error-404-widgets .widget-title {
    margin-bottom: 15px;
}

.error-404-widgets ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.error-404-widgets ul li {
    margin-bottom: 10px;
}

/* Comments */
.comments-area {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.comments-title {
    font-size: 24px;
    margin-bottom: 30px;
}

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

.comment-body {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.comment-meta {
    margin-bottom: 15px;
}

.comment-author .avatar {
    float: left;
    margin-right: 15px;
    border-radius: 50%;
}

.comment-author .fn {
    font-weight: bold;
    font-style: normal;
}

.comment-metadata {
    font-size: 14px;
    color: #666;
    margin-top: 5px;
}

.comment-content {
    clear: both;
    margin-top: 15px;
}

.comment-form label {
    display: block;
    margin-bottom: 5px;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.comment-form .submit {
    background-color: #0073aa;
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
}

.comment-form .submit:hover {
    background-color: #005d87;
}



/* 大Banner通栏 */
.main-banner-wrap {
    width: 100%;
    background: #000;
    display: flex;
    justify-content: center;
}
.main-banner {
    width: 100%;
    max-width: 1920px;
    height: 540px;
    background: #b3b3b3;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}
.banner-placeholder {
    font-size: 48px;
    color: #222;
    letter-spacing: 2px;
}

/* 热销产品区通栏 */
.hot-sale-outer {
    width: 100%;
    background: #fff;
    display: flex;
    justify-content: center;
    padding: 0;
}
.hot-sale-inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0 48px 0;
}
.hot-sale-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0 30px 0;
}
.hot-sale-title-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.hot-sale-header .section-title-cn {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #222;
    font-size: 18px;
    font-weight: bold;
}
.hot-sale-header .section-title-cn img{
    width: 20px;
    height: 20px;
    margin-left: 5px;
}
.hot-sale-header .section-title-en {
    color: #222;
	font-weight: bold;
    font-size: 28px;
}
.hot-sale-more {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    background: #e60012;
    color: #fff;
    border: none;
    padding: 8px 24px;
    font-size: 14px;
    cursor: pointer;
    border-radius: 5px;
}
.hot-sale-more img {
    width: 10px;
    height: 10px;
    margin-right: 5px;
}

.hot-sale-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px 20px;
    padding: 0;
    width: 100%;
}
.hot-sale-item {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    border-radius: 0;
    overflow: hidden;
    background: #fff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    cursor: pointer;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hot-sale-item:hover {
    transform: translateY(-8px) scale(1.03);
}

.hot-sale-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(230, 0, 18, 0.05) 0%, rgba(230, 0, 18, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
    pointer-events: none;
}

.hot-sale-item:hover::before {
    opacity: 1;
}
.hot-sale-img {
    width: 100%;
    height: 0;
    padding-bottom: 75%; /* 4:3 aspect ratio fallback */
    aspect-ratio: 4/3;
    background: #ededed;
    margin-bottom: 0;
    position: relative;
    overflow: hidden;
    z-index: 2;
    min-height: 212px;
}

.hot-sale-img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

.hot-sale-item:hover .hot-sale-img img {
    transform: scale(1.1);
}
.hot-sale-name-bar {
    width: 100%;
    background: #fff;
    padding: 12px;
    text-align: left;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.hot-sale-name {
    color: rgb(34, 34, 34);
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hot-sale-item:hover .hot-sale-name {
    color: #e60012;
}

.hot-sale-item:hover .hot-sale-name::after {
    width: 100%;
}

/* OUR ADVANTAGES 通栏 */
.advantages-outer {
    width: 100%;
    background: #000;
    display: flex;
    justify-content: center;
    padding: 0;
}
.advantages-inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0 48px 0;
}
.advantages-title {
    color: #fff;
    font-size: 64px;
    text-align: center;
    height: 200px;
		line-height: 200px;
    letter-spacing: 2px;
}
.advantages-content {
    display: flex;
    padding: 0;
}
.advantages-left {
    background: #fff;
    color: #222;
    flex: 1;
    padding: 80px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
	align-items: center;
    max-width: 360px;
    border-radius: 10px 0 0 10px;
}
.company-intro-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 16px;
}
.company-intro-text {
    min-height: 120px;
    font-size: 14px;
    margin-bottom: 24px;
    line-height: 1.7;
}
.company-intro-btns {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.intro-btn {
    margin: 0;
    width: 64px;
    height: 32px;
    border: none;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.intro-btn.prev {
    background: #000;
    color: #fff;
    border-radius: 6px 0 0 6px;
}
.intro-btn img{
    width: 10px;
    height: 10px;
}
.intro-btn.next {
    background: #e60012;
    color: #fff;
    border-radius: 0 6px 6px 0;
}
.company-intro-tel img{
    width: 15px;
    height: 15px;
    margin-right: 5px;
}
.company-intro-tel {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #666;
    margin-top: 10px;
}
.company-intro-tel a{
    color: #666;
    text-decoration: none;
}

.advantages-right {
    flex: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #b3b3b3;
    min-height: 520px;
    overflow: hidden;
    position: relative;
    border-radius: 0 10px 10px 0;
}
.advantages-img-placeholder {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}
.advantages-img-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: opacity 0.3s ease;
}

/* 首页新闻区 */
.news-home-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px 20px;
    margin-bottom: 40px;
    width: 100%;
}

.news-home-item {
    display: flex;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.news-home-item:hover {
    transform: translateY(-12px);
}

.news-home-image {
    flex: 0 0 200px;
    height: 150px;
    background-color: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(1.02);
}

.news-home-content {
    flex: 1;
    padding: 15px;
}

.news-home-title {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 18px;
    font-weight: bold;
}

.news-home-excerpt {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}
.news-home-outer {
    width: 100%;
    background: #fff;
    display: flex;
    justify-content: center;
    padding: 0;
}
.news-home-inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0 48px 0;
}
.news-home-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 0 30px 0;
}
.news-home-title-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.news-home-header .section-title-cn {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #222;
    font-size: 18px;
	font-weight: bold;
}
.news-home-header .section-title-cn img{
    width: 20px;
    height: 20px;
    margin-left: 5px;
}
.news-home-header .section-title-en {
	font-weight: bold;
    color: #222;
    font-size: 28px;
    margin-bottom: 2px;
}
.news-home-more-btns {
    margin-left: auto;
    display: flex;
    gap: 8px;
}
.news-home-more,
.news-home-home {
    background: #e60012;
    color: #fff;
    border: none;
    padding: 8px 16px;
    font-size: 14px;
    cursor: pointer;
    border-radius: 5px;
}
.news-home-home {
    background: #222;
    border: 1px solid #fff;
    color: #fff;
}

.news-home-item {
    display: flex;
    background: #e5e5e5;
    min-height: 0; /* 覆盖任何最小高度 */
    height: 0;
    padding-bottom: 66.67%; /* 3:2 aspect ratio fallback */
    aspect-ratio: 3/2;
    position: relative;
    align-items: stretch;
    border-radius: 0;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.news-home-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #222;
}
.news-home-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}
.news-home-info {
	background: #ededed;
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    padding: 20px 10px 40px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.news-home-title {
    font-size: 12px;
    margin-bottom: 20px;
    color: #222;
}
.news-home-desc {
    font-size: 12px;
    color: #222;
}

/* 新闻中心 通栏 */
.news-outer {
    width: 100%;
    background: #fff;
    display: flex;
    justify-content: center;
    padding: 0;
}
.news-inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0 48px 0;
}
.news-header {
    width: 100%;
}
.news-title-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.news-header .section-title-cn {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #222;
    font-size: 18px;
	font-weight: bold;
}
.news-header .section-title-cn img{
    width: 20px;
    height: 20px;
    margin-left: 5px;
}
.news-header .section-title-en {
	  font-weight: bold;
    color: #222;
    font-size: 28px;
    margin-bottom: 2px;
}
.news-more-btns {
    margin-left: auto;
    display: flex;
    gap: 8px;
}
.news-more,
.news-home {
    background: #e60012;
    color: #fff;
    border: none;
    padding: 4px 12px;
    font-size: 10px;
    font-weight: bold;
    cursor: pointer;
}
.news-home {
    background: #222;
    border: 1px solid #fff;
    color: #fff;
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 24px;
    padding: 0;
    margin-bottom: 60px;
}
.news-item {
    transition: transform 0.3s;
    overflow: hidden;
    text-align: center;
}
.news-img {
    width: 60%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #222;
}
.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.news-info {
	padding: 10px 0;
}

.news-desc {
    font-size: 8px;
    color: #222;
}
.placeholder-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ccc;
    color: #222;
    font-size: 24px;
}

.header-flex-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 64px;
    background: #000;
}
.site-branding {
    flex-shrink: 0;
}
.header-right {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Contact Page Styles */
.contact-page {
    color: #333;
    position: relative;
    background: #fff;
}
.contact-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    max-width: 1200px;
    padding: 40px 0 200px 0;
}
.contact-info {
    width: 100%;
    text-align: left;
    margin-bottom: 40px;
}
.page-title-large {
    font-size: 72px;
    color: #000;
}
.page-subtitle {
    margin-top: -20px;
    font-size: 46px;
    font-weight: 400;
    color: #000;
}
.contact-form {
    width: 100%;
    background: #222;
    padding: 40px;
    border-radius: 10px;
}
.form-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}
.form-group {
    display: flex;
    flex-direction: column;
    width: 48%;
}
.form-group.full-width {
    width: 100%;
}
.form-group label {
    margin: 10px 0 15px 0;
    color: #fff;
    font-size: 18px;
}
.form-row input,
.form-row textarea {
    width: 100%;
    padding: 15px;
    border-radius: 5px;
    background: #fff;
    color: #000;
    border: none;
}
.form-row input:focus,
.form-row textarea:focus {
    outline: none;
}
.verification-group {
    display: flex;
    align-items: flex-end;
    width: 60%;
}
.verification-group .form-group {
    margin-right: 10px;
}
.form-row textarea {
    width: 100%;
    height: 120px;
    resize: none;
}
.form-actions {
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.verification-group {
    display: flex;
    align-items: center;
    width: 60%;
}
.verification-group input {
    width: 80%;
}
.get-code {
    padding: 12px 20px;
    background: #333;
    color: #fff;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}
.submit-btn {
    padding: 12px 40px;
    background: #fff;
    color: #000;
    border: none;
    cursor: pointer;
    font-weight: bold;
    border-radius: 5px;
    font-size: 18px;
}

/* Side Buttons */
.contact-side-buttons {
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 100;
}
.side-button {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    color: #fff;
    text-decoration: none;
    width: 80px;
    height: 80px;
    border-radius: 8px 0 0 8px;
}
.side-button img {
    width: 44px;
    height: 44px;
}
.whatsapp-button {
    background: #07c160;
}
.email-button {
    background: #e60012;
}

.captcha-container {
    display: flex;
    align-items: center;
}
.captcha-image {
    height: 40px;
    border-radius: 5px;
}
.refresh-captcha {
    width: 150px;
    font-size: 16px;
    color: #999;
    text-decoration: none;
    margin-left: 20px;
}
.refresh-captcha:hover {
    text-decoration: underline;
}

.form-success,
.form-error {
    width: 100%;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
    text-align: center;
    font-size: 18px;
}

.form-success {
    background-color: #4CAF50;
    color: white;
}

.form-error {
    background-color: #f44336;
    color: white;
}

/* Banner Slider */
.banner-slider {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.banner-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    transition: transform 0.6s ease-in-out;
}

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

.banner-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

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

.banner-indicator.active {
    background-color: #fff;
}

.banner-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.banner-nav:hover {
    opacity: 1;
}

.banner-prev {
    left: 20px;
}

.banner-next {
    right: 20px;
}

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

/* 产品详情页样式 */
.product-detail-page {
    color: #fff;
}

.product-detail-page .product-container {
    position: relative;
}

.product-detail-page .product-content {
    position: relative;
}

.product-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    min-height: calc(100vh - 200px);
    align-items: stretch;
}

/* 左侧边栏 */
.sidebar-title {
    font-size: 24px;
    margin-bottom: 5px;
    text-transform: uppercase;
}

.sidebar-subtitle {
    font-size: 18px;
    margin-bottom: 20px;
    color: #ccc;
}

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

.product-series-item {
    margin-bottom: 10px;
}

.product-series-item a {
    display: block;
    color: #000;
    text-decoration: none;
    transition: background-color 0.3s;
    display: flex;
}

.product-series-item a:hover {
    color: #e60012;
}

.arrow {
    display: inline-block;
    margin-left: 10px;
    vertical-align: middle;
}

.arrow img {
    width: 12px;
    height: 12px;
    display: block;
}

/* 右侧内容区 */
.product-content {
    flex: 1;
    margin-bottom: 100px;
    margin-left: 30px;
}

/* 媒体标签 */
.product-media-tabs {
    margin-bottom: 30px;
}

.media-tab-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.media-tab {
    padding: 10px 20px;
    border: none;
    color: #000;
    cursor: pointer;
    transition: background-color 0.3s;
}

.media-tab.active {
    background-color: #e60012;
}

.tab-pane {
    display: none;
}

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

/* 视频区域 */
.product-video, 
.product-video-placeholder,
.product-image-placeholder {
    width: 430px;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.product-video video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 图片轮播 */
.product-image-slider {
    width: 415px;
    height: 130px;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.slider-item {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: transform 0.5s ease;
}

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

/* 轮播导航按钮 */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-nav.prev {
    left: 10px;
}

.slider-nav.next {
    right: 10px;
}

/* 轮播指示器 */
.slider-indicators {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.product-action-section {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
    color: #fff;
    font-size: 20px;
    height: 130px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.button-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.button-icon img {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s;
}

.slider-dot.active {
    background-color: #e60012;
}

/* 产品信息 */
.product-title {
    font-size: 24px;
    margin: 60px 0 40px 0;
    color: #000;
}

.product-description {
    color: #000;
    line-height: 1.6;
}
.product-description img {
    border-radius: 8px !important;
}

/* 咨询按钮 */
.product-action {
    text-align: right;
}

.inquiry-button {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
    color: #fff;
    text-decoration: none;
    border-radius: 3px;
    transition: background-color 0.3s;
}

.inquiry-button:hover {
    background-color: #2222;
}

/* ===== 产品页面现代化响应式样式 ===== */
.product-page {
    background-color: #fff;
    color: #000;
}

/* 顶部标题区域 */
.product-header {
    width: 100%;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0;
    text-align: left;
    width: 100%;
}

.product-main-title {
    font-size: 72px;
    text-transform: uppercase;
    color: #000;
}

.product-subtitle {
    margin-top: -20px;
    font-size: 46px;
    font-weight: 400;
    color: #000;
}

/* 产品容器 */
.product-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    position: relative;
}

/* 移动端汉堡菜单按钮 - 默认相对定位，吸顶时固定定位 */
.mobile-sidebar-toggle {
    display: none;
    position: static;
    width: fit-content;
    background: #000;
    color: #fff;
    border: none;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    gap: 8px;
    align-items: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    min-width: 150px;
}

.mobile-sidebar-toggle:hover {
    background: #e60012;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 0, 18, 0.3);
}

.mobile-sidebar-toggle:active {
    transform: translateY(0);
}

/* 吸顶状态样式 - 固定在距离顶部40px */
.mobile-sidebar-toggle.sticky {
    position: fixed;
    top: 40px;
    left: 16px;
    margin: 0;
    z-index: 1001;
    background: rgba(0, 0, 0, 0.95);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    animation: slideDown 0.3s ease-out;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-sidebar-toggle.sticky:hover {
    background: rgba(230, 0, 18, 0.95);
    border-color: rgba(230, 0, 18, 0.3);
}

/* 滑入动画 */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.toggle-text {
    font-size: 12px;
    font-weight: 600;
    margin-left: 6px;
}

/* 添加图标 */
.mobile-sidebar-toggle::before {
    content: "☰";
    font-size: 16px;
    line-height: 1;
    display: inline-block;
}

/* 移动端遮罩层 */
.mobile-sidebar-overlay {
  background-color: rgba(0, 0, 0, 0.5);
}

.mobile-sidebar-overlay.active {
    
}

/* 左侧分类导航 */
.product-sidebar {
    width: 300px;
    margin-bottom: 40px;
    height: 100%;
    min-height: 100%;
    position: sticky;
    top: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sidebar-header {
    padding: 20px 24px;
    background: #000;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 8px 8px 0 0;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.sidebar-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar-nav {
    padding: 12px 0;
    overflow-y: auto;
    background: #ededed;
    flex: 1;
    height: 100%;
    border-radius: 0 0 8px 8px;
}

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

.product-series-item {
    margin: 0;
    border-bottom: 1px solid #f0f0f0;
}

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

.series-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    color: #333;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.series-link:hover {
    color: #e60012;
    padding-left: 28px;
}

.series-link:focus {
    outline-offset: -2px;
}

.product-series-item.active > .series-link {
    color: #000;
    font-weight: 600;
}

.product-series-item.active > .series-link:hover {
    padding-left: 24px;
    color: #e60012;
}

.series-name {
    flex: 1;
}

.series-arrow {
    margin-left: 12px;
    transition: transform 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
}

.product-series-item.expanded .series-arrow {
    transform: rotate(180deg);
}

.product-series-item.active .series-arrow {
    background: rgba(255, 255, 255, 0.2);
}

.series-arrow svg {
    width: 14px;
    height: 14px;
}

/* 三级分类 */
.product-subseries-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: none;
}

.product-subseries-item {
    margin: 0;
}

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

.subseries-link {
    display: block;
    padding: 12px 24px 12px 48px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    transition: all 0.2s ease;
    position: relative;
    cursor: pointer;
}

.subseries-link:before {
    content: '';
    position: absolute;
    left: 32px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: #ccc;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.subseries-link:hover {
    color: #e60012;
    padding-left: 52px;
}

.subseries-link:hover:before {
    background: #e60012;
    transform: translateY(-50%) scale(1.5);
}

.subseries-link:focus {
    outline-offset: -2px;
}

.product-subseries-item.active .subseries-link {
    color: #e60012;
    font-weight: 600;
    border-left: 3px solid #e60012;
}

.product-subseries-item.active .subseries-link:before {
    background: #e60012;
    transform: translateY(-50%) scale(1.5);
}

/* 产品网格容器 */
.product-grid-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

/* 产品网格布局 - 现代化设计 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px 20px;
    flex: 1;
}

.product-item {
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.product-item:hover {
    transform: translateY(-8px);
}

.product-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.product-image {
    height: 180px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.4s ease;
}

.product-item:hover .product-image img {
    transform: scale(1.08);
}

.placeholder-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    color: #fff;
    font-size: 18px;
    font-weight: 500;
}

.product-name {
    text-align: left;
    color: rgb(34, 34, 34);
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-description {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
    text-align: left;
}

/* 分页导航 */
.pagination {
    margin: 0 0 40px 0;
    text-align: center;
    padding: 20px 0;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: 8px 16px;
    margin: 0 6px;
    background: #000;
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    min-width: 44px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.pagination a:hover {
    background: #e60012;
    color: #fff;
    border-color: #e60012;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(230, 0, 18, 0.3);
    border-radius: 8px;
}

.pagination span.current {
    background: #e60012;
    color: #fff;
    border-color: #e60012;
    box-shadow: 0 2px 8px rgba(230, 0, 18, 0.2);
    border-radius: 8px;
}

.pagination .prev,
.pagination .next {
    font-weight: 600;
    padding: 8px 20px;
}

.no-products {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    font-size: 18px;
    color: #6c757d;
}

/* 加载状态现代化 */
.loading {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    font-size: 18px;
    color: #6c757d;
}

.loading:after {
    content: "";
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-left: 12px;
    border: 3px solid #e9ecef;
    border-radius: 50%;
    border-top-color: #e60012;
    animation: spin 1s linear infinite;
    vertical-align: middle;
}

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

.error {
    text-align: center;
    padding: 60px 20px;
    color: #dc3545;
    background: #f8d7da;
    border: 2px solid #f1aeb5;
    border-radius: 12px;
    margin: 40px 0;
    font-size: 16px;
}

.error:before {
    content: "⚠️";
    display: block;
    font-size: 48px;
    margin-bottom: 16px;
}

/* 分类页面样式 */
.category-header {
    margin-bottom: 30px;
}

.category-title {
    font-size: 28px;
    color: #fff;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.category-description {
    color: #aaa;
    line-height: 1.6;
    margin-bottom: 20px;
}
/* 默认分类页面样式 */
.content-area {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    color: #fff;
    background-color: #000;
}

.page-header {
    margin-bottom: 30px;
}

.archive-description {
    color: #aaa;
    line-height: 1.6;
}

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

.posts-grid article {
    background-color: #1a1a1a;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow: hidden;
}

.posts-grid article:hover {
    transform: translateY(-12px) scale(1.02);
}

.post-thumbnail {
    height: 200px;
    overflow: hidden;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.posts-grid article:hover .post-thumbnail img {
    transform: scale(1.05);
}

.entry-header {
    padding: 15px 15px 0;
}

.entry-title {
    font-size: 18px;
    margin-bottom: 10px;
}

.entry-title a {
    color: #fff;
    text-decoration: none;
}

.entry-meta {
    font-size: 14px;
    color: #888;
    margin-bottom: 10px;
}

.entry-summary {
    padding: 0 15px;
    color: #aaa;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.entry-footer {
    padding: 0 15px 15px;
}

.read-more {
    display: inline-block;
    padding: 5px 15px;
    background-color: #333;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    border-radius: 3px;
    transition: background-color 0.3s;
}

.read-more:hover {
    background-color: #e60012;
}

/* 关于页面样式 */
.page-banner {
    width: 100%;
    height: 300px;
    background-color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
}

.banner-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
}

.about-advantages-outer {
    width: 100%;
    background-color: #000;
    padding: 40px 0;
}

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

.about-title {
    font-size: 36px;
    color: #fff;
    text-align: center;
    margin-bottom: 40px;
    text-transform: uppercase;
}

.about-content {
    display: flex;
    gap: 40px;
}

.about-left {
    flex: 1;
    background-color: #000;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-img-placeholder {
    width: 100%;
    height: 415px;
    background-color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.about-img-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-news-outer {
    width: 100%;
    background-color: #000;
    padding: 40px 0;
}

.about-news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.about-news-title {
    font-size: 24px;
    color: #fff;
    font-weight: bold;
}

.about-news-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.about-more-btn {
    display: inline-block;
    padding: 8px 15px;
    background-color: #e60012;
    color: #fff;
    text-decoration: none;
    border-radius: 3px;
}

.about-news-nav {
    display: flex;
    gap: 10px;
}

.about-news-prev,
.about-news-next {
    padding: 5px 10px;
    background-color: #333;
    color: #fff;
    border: none;
    cursor: pointer;
}

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

.about-news-item {
    display: flex;
    background-color: #1a1a1a;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.about-news-item:hover {
    transform: translateY(-12px) scale(1.02);
}

.about-news-img {
    width: 40%;
    height: 200px;
    overflow: hidden;
}

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

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

.about-news-info {
    width: 60%;
    padding: 20px;
}

.about-news-item-title {
    font-size: 18px;
    color: #fff;
    margin-bottom: 10px;
}

.about-news-desc {
    font-size: 14px;
    color: #aaa;
    line-height: 1.5;
}



/* 新闻详情页面样式 */
.news-detail-page {
    width: 100%;
}

.news-header-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.news-detail-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-meta {
    display: flex;
    gap: 20px;
    color: #666;
    font-size: 14px;
}

.news-detail-date {
    color: #666;
    font-size: 14px;
}

.news-category {
    color: #000;
}

.news-featured-image {
    margin-bottom: 30px;
    text-align: center;
}

.news-featured-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.news-article-content {
    line-height: 1.8;
    font-size: 16px;
    color: #333;
    margin-bottom: 40px;
}

.news-article-content p {
    margin-bottom: 20px;
}

.news-article-content img {
    max-width: 100%;
    height: auto;
    margin: 20px 0;
}

.news-bottom-section {
    margin-bottom: 40px;
    padding: 20px 0;
    border-top: 1px solid #eee;
}

.news-action-section {
    text-align: center;
}

.back-to-list-button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #333;
    color: #fff;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.back-to-list-button:hover {
    background-color: #e60012;
}

.related-news-section {
    margin-bottom: 80px;
}

.related-news-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
}

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

.related-news-item {
    overflow: hidden;
    transition: transform 0.3s ease;
}

.related-news-item:hover {
    transform: translateY(-3px);
}

.related-news-item a {
    display: block;
    color: inherit;
    text-decoration: none;
}

.related-news-image {
    height: 150px;
    overflow: hidden;
}

.related-news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-news-info {
    text-align: left;
    font-size: 16px;
    margin-bottom: 10px;
    color: #000;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.related-news-info h4 {
    font-size: 14px;
    margin: 10px 0;
    line-height: 1.4;
}

.related-news-desc {
    font-size: 14px;
    color: #000;
    line-height: 1.4;
    text-align: left;
    margin-bottom: 20px;
}

/* 关于我们详情页面样式 */
.aboutus-detail-page {
    width: 100%;
}

.aboutus-header-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.aboutus-detail-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.4;
}

.aboutus-meta {
    display: flex;
    gap: 20px;
    color: #666;
    font-size: 14px;
}

.aboutus-date {
    color: #999;
    font-size: 14px;
}

.aboutus-category {
    color: #000;
}

.aboutus-featured-image {
    margin-bottom: 30px;
    text-align: center;
}

.aboutus-featured-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.aboutus-article-content {
    line-height: 1.8;
    font-size: 16px;
    color: #333;
    margin-bottom: 40px;
}

.aboutus-article-content p {
    margin-bottom: 20px;
}

.aboutus-article-content img {
    max-width: 100%;
    height: auto;
    margin: 20px 0;
}

.aboutus-bottom-section {
    margin-bottom: 40px;
    padding: 20px 0;
    border-top: 1px solid #eee;
}

.aboutus-action-section {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.contact-button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #e60012;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.contact-button:hover {
    background-color: #cc0010;
}

.related-aboutus-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
}

.related-aboutus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.related-aboutus-item {
    background-color: #fff;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.related-aboutus-item:hover {
    transform: translateY(-3px);
}

.related-aboutus-item a {
    display: block;
    color: inherit;
    text-decoration: none;
}

.related-aboutus-image {
    height: 150px;
    overflow: hidden;
}

.related-aboutus-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-aboutus-info {
    padding: 15px;
}

.related-aboutus-info h4 {
    font-size: 14px;
    margin-bottom: 10px;
    line-height: 1.4;
}

.related-aboutus-date {
    color: #e60012;
    font-size: 12px;
}

/* 详情页面响应式设计 */
@media (max-width: 768px) {
    .news-detail-page,
    .aboutus-detail-page {
        padding: 10px;
    }
    
    .news-title,
    .aboutus-title {
        font-size: 24px;
    }
    
    .news-meta,
    .aboutus-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .aboutus-action-section {
        flex-direction: column;
        align-items: center;
    }
    
    .related-news-grid,
    .related-aboutus-grid {
        grid-template-columns: 1fr;
    }
}


/* 新闻页面样式 */
.news-page {
    background-color: #fff;
    color: #000;
}

.news-header {
    width: 100%;
}

.news-main-title {
    font-size: 36px;
    color: #333;
    margin-bottom: 10px;
}

.news-subtitle {
    font-size: 18px;
    color: #666;
    margin: 0;
}

.news-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
}

.news-sidebar {
    width: 300px;
    color: #000;
    min-height: 500px;
}

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

.news-series-item {
    margin-bottom: 10px;
    font-size: 18px;
    font-weight: bold;
}

.news-series-item.active > .series-link {
    color: #e60012;
}

.news-subseries-list {
    list-style: none;
    padding-left: 20px;
    margin: 0;
}

.news-subseries-item {
    margin-bottom: 5px;
}

.news-subseries-item.active .subseries-link {
    background-color: #333;
    color: #fff;
}

.news-grid-container {
    flex: 1;
}

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

.news-item {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.news-item:hover {
    transform: translateY(-12px) scale(1.02);
}

.news-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.news-image {
    height: 200px;
    overflow: hidden;
    border-radius: 8px;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.news-date {
    text-align: left;
    color: #999;
    font-size: 14px;
    margin-top: 15px;
}

.news-description {
    display: -webkit-box;          /* 旧版弹性盒模型（必要属性） */
  -webkit-line-clamp: 2;          /* 限制显示行数 */
  -webkit-box-orient: vertical;   /* 文本垂直排列 */
  overflow: hidden;               /* 隐藏溢出内容 */
  text-overflow: ellipsis;        /* 添加省略号 */
  word-break: break-word;         /* 允许单词内断行（可选） */
    color: #666;
    font-size: 14px;
    text-align: left;
    
}

/* 关于我们页面样式 */
.aboutus-page {
    background-color: #fff;
    color: #000;
}

.aboutus-header {
    width: 100%;
}

.aboutus-main-title {
    font-size: 36px;
    color: #333;
    margin-bottom: 10px;
}

.aboutus-subtitle {
    font-size: 18px;
    color: #666;
    margin: 0;
}

.aboutus-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
}

.aboutus-sidebar {
    width: 300px;
    color: #000;
    min-height: 500px;
}

.aboutus-content {
    flex: 1;
}

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

.aboutus-series-item {
    margin-bottom: 10px;
    font-size: 18px;
    font-weight: bold;
}

.aboutus-series-item.active > .series-link {
    color: #e60012;
}

.aboutus-subseries-list {
    list-style: none;
    padding-left: 20px;
    margin: 0;
}

.aboutus-subseries-item {
    margin-bottom: 5px;
}

.aboutus-subseries-item.active .subseries-link {
    background-color: #333;
    color: #fff;
}

.aboutus-grid-container {
    flex: 1;
}

.aboutus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.aboutus-item {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow: hidden;
    text-align: center;
}

.aboutus-item:hover {
    transform: translateY(-12px) scale(1.02);
}

.aboutus-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.aboutus-image {
    height: 200px;
    overflow: hidden;
    background-color: #e6e6e6;
    border-radius: 8px;
}

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

.aboutus-info {
    padding: 10px 0;
}

.aboutus-title {
    text-align: left;
    color: rgb(34, 34, 34);
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.aboutus-description {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
    text-align: left;
}

/* 通用样式 */
.no-news,
.no-aboutus {
    text-align: center;
    padding: 50px 0;
    color: #666;
    font-size: 16px;
}

.error {
    text-align: center;
    padding: 50px 0;
    color: #e60012;
    font-size: 16px;
}

/* ===== 响应式布局 - 集中管理 ===== */

/* 桌面端 (1200px+) - 产品页面增强 */
@media (min-width: 1200px) {
    .hot-sale-inner, 
    .news-inner {
        padding: 40px 0 48px 0;
    }
    
    /* 桌面端产品页面优化 */
    .product-page .mobile-sidebar-toggle {
        display: none;
    }
    
    .product-page .product-container {
        flex-direction: row;
        padding: 0;
    }
    
    .product-page .product-grid-container {
        flex: 1;
        padding: 0;
        margin-left: 30px;
        display: flex;
        flex-direction: column;
    }

    .products-content {
        width: 100%;
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px 20px;
        margin-bottom: 60px;
    }
    
    .product-item {
        transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .product-item:hover {
        transform: translateY(-12px) scale(1.02);
    }
    
    /* 桌面端侧边栏增强交互 */
    .series-link:hover {
        padding-left: 32px;
    }
    
    .subseries-link:hover {
        padding-left: 56px;
    }
    
    /* 桌面端分页增强 */
    .pagination a:hover {
        transform: translateY(-3px);
    }
    
    /* 产品详情页桌面端优化 */
    .product-detail-page .mobile-sidebar-toggle {
        display: none;
    }
    
    .product-detail-page .product-container {
        flex-direction: row;
        padding: 0;
        min-height: calc(100vh - 200px);
        align-items: stretch;
    }
    
    .product-detail-page .product-content {
        padding: 0;
        margin-left: 30px;
    }
    
    /* 新闻详情页桌面端优化 */
    .news-detail-page .mobile-sidebar-toggle {
        display: none;
    }
    
    .news-detail-page .news-container {
        flex-direction: row;
        padding: 0;
    }
    
    .news-detail-page .news-content {
        padding: 0;
        margin-left: 30px;
    }
    
    /* 关于我们详情页桌面端优化 */
    .aboutus-detail-page .mobile-sidebar-toggle {
        display: none;
    }
    
    .aboutus-detail-page .aboutus-container {
        flex-direction: row;
        padding: 0;
    }
    
    .aboutus-detail-page .aboutus-content {
        padding: 0;
        margin-left: 30px;
    }
    
    /* 新闻页面桌面端优化 */
    .news-page .mobile-sidebar-toggle {
        display: none;
    }
    
    .news-page .news-container {
        flex-direction: row;
        padding: 0;
    }
    
    .news-page .news-grid-container {
        padding: 0;
        margin-left: 30px;
    }
    
    /* 关于我们页面桌面端优化 */
    .aboutus-page .mobile-sidebar-toggle {
        display: none;
    }
    
    .aboutus-page .aboutus-container {
        flex-direction: row;
        padding: 0;
    }
    
    .aboutus-page .aboutus-grid-container {
        padding: 0;
        margin-left: 30px;
    }
}

/* 平板端 (768px - 1199px) */
@media (max-width: 1199px) {
    /* 首页通栏区域适配 */
    .hot-sale-inner, 
    .advantages-inner, 
    .news-inner {
        padding: 30px 20px 40px 20px;
    }
    
    .hot-sale-header, 
    .news-header, 
    .advantages-content {
        padding: 0 0 20px 0;
    }
    
    .hot-sale-grid, 
    .news-grid, 
    .advantages-content {
        padding: 0;
    }
    
    /* 头部导航适配 */
    .main-navigation {
        margin-left: 50px;
    }
    
    /* 优势区域适配 */
    .advantages-title {
        font-size: 48px;
        height: 150px;
        line-height: 150px;
    }
}

/* 中等屏幕 (992px - 1199px) */
@media (max-width: 1199px) and (min-width: 993px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hot-sale-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 25px 15px;
    }
    
    .news-home-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px 15px;
    }
    
    .section-title {
        font-size: 24px;
    }
}

/* 中小屏幕 (768px - 992px) 进一步细分 */
@media (max-width: 992px) and (min-width: 769px) {
    .hot-sale-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px 15px;
    }
    
    .news-home-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px 15px;
    }
}

/* 小屏平板 (768px - 992px) */
@media (max-width: 992px) {
    /* 网格布局调整 */
    .product-grid,
    .hot-sale-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .news-home-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    /* 优势区域重构 */
    .advantages-content {
        flex-direction: column;
    }
    
    .advantages-left {
        max-width: 100%;
        padding: 40px;
        border-radius: 10px;
    }
    
    .advantages-right {
        min-height: 300px;
        flex: 1;
        margin-top: 20px;
        border-radius: 10px;
    }
    
    .advantages-img-placeholder {
        overflow: hidden;
    }
    
    .advantages-title {
        font-size: 36px;
        height: 120px;
        line-height: 120px;
    }
    
    /* 产品页面布局 */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 关于页面 */
    .about-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .about-news-grid {
        grid-template-columns: 1fr;
    }
    
    /* 新闻详情相关 */
    .related-news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 移动端大屏 (576px - 768px) */
@media (max-width: 768px) {
    /* 头部重构 */
    .header-container {
        padding: 0 15px;
    }
    
    .header-flex-row {
        height: auto;
        padding: 10px;
    }
    
    .header-row-menu,
    .header-row-search {
        padding: 0 20px;
        height: auto;
    }
    
    .header-nav {
        margin: 10px 0;
        width: 100%;
    }
    
    .main-navigation {
        width: 150px;
        position: relative;
    }
    
    .menu {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: #000;
        z-index: 100;
        padding: 10px 0;
        border-radius: 5px;
    }
    
    .menu-toggle {
        display: block;
        margin-left: auto;
    }
    
    .main-navigation.toggled .menu {
        display: flex;
    }
    
    .menu li {
        margin: 0;
        padding: 0 15px;
    }
    
    .menu a {
        padding: 10px 0;
        width: auto;
        text-align: left;
    }
    
    .language-selector {
        padding: 0 0 0 20px;
        width: auto;
    }
    
    /* Banner 调整 */
    .main-banner {
        height: 200px;
    }
    
    .banner-placeholder {
        font-size: 28px;
    }
    
    /* 首页区域调整 */
    .hot-sale-header, 
    .news-home-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding: 20px;
    }
    
    .hot-sale-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 20px;
        gap: 15px;
    }
    
    .news-home-grid {
        grid-template-columns: 1fr;
        padding: 0 20px;
        gap: 15px;
    }
    
    .hot-sale-more-btns,
    .news-home-more-btns {
        margin-left: 0;
    }
    
    /* 优势区域移动端 */
    .advantages-title {
        font-size: 24px;
        height: 80px;
        line-height: 80px;
    }
    
    .advantages-left {
        padding: 30px 20px;
        border-radius: 10px;
    }
    
    .advantages-right {
        min-height: 200px;
        flex: 1;
        margin-top: 15px;
        overflow: hidden;
        border-radius: 10px;
    }


    .news-home-img {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        width: 100%;
    }
    
     /* 底部适配 */
     .footer-content {
         flex-direction: column;
         align-items: center;
         gap: 20px;
         padding-right: 30px;
     }
     
     .footer-nav,
     .footer-info {
         width: 100%;
         text-align: left;
     }
     
     .footer-menu {
         display: flex;
         flex-wrap: wrap;
         justify-content: left;
         gap: 20px;
     }
     
     .footer-social {
         position: static;
         display: grid;
         grid-template-columns: repeat(2, 1fr);
         gap: 15px;
         width: 100%;
         margin: 0 auto;
     }
     
     .social-item {
         display: flex;
         flex-direction: column;
         text-align: center;
     }
     
     .social-qr {
         width: 70px;
         height: 70px;
         margin: 0 0 8px 0;
     }
    
     .product-content {
        margin-left: 0;
     }
    
    /* 产品页面移动端 - 现代化响应式 */
    .mobile-sidebar-toggle {
        display: flex;
    }
    
    /* 产品详情页移动端特殊处理 */
    .product-detail-page .mobile-sidebar-toggle {
        margin: 0 0 20px 0;
        position: static;
        width: fit-content;
    }
    
    .product-detail-page .mobile-sidebar-toggle.sticky {
        position: fixed;
        top: 40px;
        left: 16px;
        margin: 0;
        z-index: 1001;
    }
    
    /* 移动端吸顶优化 */
    .mobile-sidebar-toggle.sticky {
        top: 40px;
        left: 16px;
        padding: 10px 14px;
        font-size: 13px;
        min-width: 90px;
    }
    
    .mobile-sidebar-toggle.sticky .toggle-text {
        font-size: 11px;
    }
    
    .mobile-sidebar-toggle.sticky::before {
        font-size: 14px;
    }
    
    .product-container {
        flex-direction: column;
        padding: 0 16px;
        min-height: auto;
    }
    
    .product-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 90%;
        max-width: 300px;
        height: 100vh;
        z-index: 999;
        transform: translateX(0);
        transition: left 0.3s ease;
        border-radius: 0;
        margin: 0;
        background-color: #fff;
        display: flex;
        flex-direction: column;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        border-radius: 8px;
    }
    
    .product-sidebar.open {
        left: 0;
    }
    
    /* 产品详情页侧边栏移动端样式 */
    .product-detail-page .product-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 90%;
        max-width: 300px;
        height: 100vh;
        z-index: 999;
        transform: translateX(0);
        transition: left 0.3s ease;
        border-radius: 0;
        margin: 0;
        background-color: #fff;
    }
    
    .product-detail-page .product-sidebar.open {
        left: 0;
    }
    
    .sidebar-close {
        display: block;
    }
    
    .sidebar-nav {
        flex: 1;
        overflow-y: auto;
        padding-bottom: 20px;
    }
    
    .mobile-sidebar-overlay {
        display: block;
    }
    
    /* 产品详情页遮罩层 */
    .product-detail-page .mobile-sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 998;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .product-detail-page .mobile-sidebar-overlay.active {
        display: block;
        opacity: 1;
    }
    
    body.sidebar-open {
        overflow: hidden;
    }
    
    /* 产品页面移动端样式 */
    .news-home-info {
        padding: 10px;
    }
    .news-home-title {
        margin-bottom: 0;
    }

    .product-page .product-grid-container {
        padding: 20px 0 0 0;
        margin-left: 0;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    
    .product-page .product-container {
        background-color: #ededed;
        flex-direction: column;
        min-height: auto;
    }
    
    .product-page .mobile-sidebar-toggle {
        position: static;
        width: fit-content;
    }
    
    .product-page .mobile-sidebar-toggle.sticky {
        position: fixed;
        top: 40px;
        left: 16px;
        margin: 0;
        z-index: 1001;
    }
    
    .product-page .product-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 90%;
        max-width: 300px;
        height: 100vh;
        z-index: 999;
        transform: translateX(0);
        transition: left 0.3s ease;
        border-radius: 0;
        margin: 0;
        background-color: #fff;
    }
    
    .product-page .product-sidebar.open {
        left: 0;
    }
    
    /* 产品页面遮罩层 */
    .product-page .mobile-sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 998;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .product-page .mobile-sidebar-overlay.active {
        display: block;
        opacity: 1;
    }
    
    /* 产品详情页内容区域移动端 */
    .product-detail-page .product-content {
        margin-left: 0;
        margin-top: 20px;
    }
    
    .product-detail-page .product-container {
        flex-direction: column;
    }
    
    /* 新闻详情页内容区域移动端 */
    .news-detail-page .news-content {
        margin-left: 0;
    }
    
    .news-detail-page .news-container {
        flex-direction: column;
    }
    
    .news-detail-page .mobile-sidebar-toggle {
        margin: 0 0 20px 0;
        position: static;
        width: fit-content;
    }
    
    .news-detail-page .mobile-sidebar-toggle.sticky {
        position: fixed;
        top: 40px;
        left: 16px;
        margin: 0;
        z-index: 1001;
    }
    
    .news-detail-page .news-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 90%;
        max-width: 300px;
        height: 100vh;
        z-index: 999;
        transform: translateX(0);
        transition: left 0.3s ease;
        border-radius: 0;
        margin: 0;
        background-color: #fff;
    }
    
    .news-detail-page .news-sidebar.open {
        left: 0;
    }
    
    /* 关于我们详情页内容区域移动端 */
    .aboutus-detail-page .aboutus-content {
        margin-left: 0;
    }
    
    .aboutus-detail-page .aboutus-container {
        flex-direction: column;
    }
    
    .aboutus-detail-page .mobile-sidebar-toggle {
        margin: 0 0 20px 0;
        position: static;
        width: fit-content;
    }
    
    .aboutus-detail-page .mobile-sidebar-toggle.sticky {
        position: fixed;
        top: 40px;
        left: 16px;
        margin: 0;
        z-index: 1001;
    }
    
    .aboutus-detail-page .aboutus-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 90%;
        max-width: 300px;
        height: 100vh;
        z-index: 999;
        transform: translateX(0);
        transition: left 0.3s ease;
        border-radius: 0;
        margin: 0;
        background-color: #fff;
    }
    
    .aboutus-detail-page .aboutus-sidebar.open {
        left: 0;
    }
    
    /* 详情页遮罩层 */
    .news-detail-page .mobile-sidebar-overlay,
    .aboutus-detail-page .mobile-sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 998;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .news-detail-page .mobile-sidebar-overlay.active,
    .aboutus-detail-page .mobile-sidebar-overlay.active {
        display: block;
        opacity: 1;
    }
    
    /* 新闻页面移动端样式 */
    .news-page .news-grid-container {
        padding: 20px 15PX;
        margin-left: 0;
    }
    
    .news-page .news-container {
        flex-direction: column;
    }
    
    .news-page .mobile-sidebar-toggle {
        margin: 0 0 20px 0;
        position: static;
        width: fit-content;
    }
    
    .news-page .mobile-sidebar-toggle.sticky {
        position: fixed;
        top: 40px;
        left: 16px;
        margin: 0;
        z-index: 1001;
    }
    
    .news-page .news-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 90%;
        max-width: 300px;
        height: 100vh;
        z-index: 999;
        transform: translateX(0);
        transition: left 0.3s ease;
        border-radius: 0;
        margin: 0;
        background-color: #fff;
    }
    
    .news-page .news-sidebar.open {
        left: 0;
    }
    
    /* 关于我们页面移动端样式 */
    .aboutus-page .aboutus-grid-container {
        padding: 20px 0;
        margin-left: 0;
    }
    
    .aboutus-page .aboutus-container {
        flex-direction: column;
    }
    
    .aboutus-page .mobile-sidebar-toggle {
        margin: 0 0 20px 0;
        position: static;
        width: fit-content;
    }
    
    .aboutus-page .mobile-sidebar-toggle.sticky {
        position: fixed;
        top: 40px;
        left: 16px;
        margin: 0;
        z-index: 1001;
    }
    
    .aboutus-page .aboutus-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 90%;
        max-width: 300px;
        height: 100vh;
        z-index: 999;
        transform: translateX(0);
        transition: left 0.3s ease;
        border-radius: 0;
        margin: 0;
        background-color: #fff;
    }
    
    .aboutus-page .aboutus-sidebar.open {
        left: 0;
    }
    
    /* 页面遮罩层 */
    .news-page .mobile-sidebar-overlay,
    .aboutus-page .mobile-sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 998;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .news-page .mobile-sidebar-overlay.active,
    .aboutus-page .mobile-sidebar-overlay.active {
        display: block;
        opacity: 1;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 20px;
        margin-left: 0;
    }
    
    .product-item {
        max-width: 100%;
    }

    .product-info {
        background-color: #fff;
    }
    
    .news-container,
    .aboutus-container {
        flex-direction: column;
    }
    
    .news-sidebar,
    .aboutus-sidebar {
        flex: none;
        width: 100%;
        margin-bottom: 20px;
    }
    
    .news-grid,
    .aboutus-grid {
        grid-template-columns: 1fr;
    }
    
    .product-main-title,
    .news-main-title,
    .aboutus-main-title {
        font-size: 32px;
    }
    
    .product-subtitle,
    .news-subtitle,
    .aboutus-subtitle {
        font-size: 18px;
        margin-top: 0;
    }
    
    .header-container {
        padding: 20px 16px;
    }
    
    /* 产品详情页媒体区域响应式 */
    .product-detail-page .product-media-section {
        flex-direction: column !important;
    }
    
    .product-detail-page .product-video-container {
        margin-bottom: 20px;
    }
    
    .product-detail-page .product-gallery-container {
        margin-left: 0 !important;
    }
    
    .product-detail-page .product-video,
    .product-detail-page .product-video-placeholder {
        height: 200px !important;
    }
    
    /* 内边距调整 */
    .hot-sale-inner, 
    .advantages-inner, 
    .news-inner {
        padding: 0;
    }
    
    .hot-sale-header, 
    .news-home-header {
        padding: 15px;
    }
    
    .hot-sale-grid, 
    .news-home-grid {
        padding: 0 15px;
        background-color: #ededed;
    }
    
    .advantages-left {
        padding: 20px 15px;
        border-radius: 10px;
    }
    
    /* 联系页面移动端 */
    .contact-layout {
        padding: 0;
    }
    
    .page-title-large {
        font-size: 36px;
    }
    
    .page-subtitle {
        font-size: 24px;
        margin-top: 0;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-row input,
    .form-row textarea {
        width: 100%;
        margin-bottom: 10px;
        min-width: 300px;
    }
    
    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .verification-group {
        width: 100%;
        margin-bottom: 15px;
    }
    
    .side-button {
        width: 50px;
        height: 50px;
    }

    .side-button img {
        width: 30px;
        height: 30px;
    }
    
    /* 产品详情移动端 */
    .product-container {
        width: 100%;
    }
    .product-image {
        height: 256px;
    }
    
    .product-video,
    .product-video-placeholder,
    .product-image-placeholder {
        width: 100%;
        height: 200px;
    }
    
    .product-image-slider {
        width: 100% !important;
    }
    
    /* 关于页面新闻项移动端 */
    .about-news-item {
        flex-direction: column;
    }
    
    .about-news-img,
    .about-news-info {
        width: 100%;
    }
    
    .about-news-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    /* 详情页面移动端 */
    .news-detail-page,
    .aboutus-detail-page {
        padding: 10px;
    }
    
    .news-title,
    .aboutus-title {
        font-size: 15px;
    }
    
    .news-meta,
    .aboutus-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .aboutus-action-section {
        flex-direction: column;
        align-items: center;
    }
    
    .related-news-grid,
    .related-aboutus-grid {
        grid-template-columns: 1fr;
    }
}

/* 移动端小屏 (最大 576px) */
@media (max-width: 576px) {
    /* 基础布局 */
    .container {
        padding: 0 15px;
    }
    
    .header-container {
        padding: 0 10px;
    }
    
    /* 搜索栏隐藏 */
    .header-search {
        display: none;
    }
    
    /* Banner 进一步缩小 */
    .main-banner {
        height: 150px;
    }
    
    .banner-placeholder {
        font-size: 20px;
    }
    
    /* 所有网格变为单列 */
    .product-grid,
    .hot-sale-grid,
    .news-home-grid,
    .news-grid,
    .products-grid,
    .aboutus-grid,
    .posts-grid {
        grid-template-columns: 1fr;
        gap: 30px 0;
    }
    
    /* 移动端侧边栏进一步优化 */
    .mobile-sidebar-toggle {
        padding: 8px 12px;
        font-size: 12px;
        min-width: 80px;
        top: 15px;
        left: 15px;
    }
    
    .mobile-sidebar-toggle::before {
        font-size: 14px;
    }
    
    .toggle-text {
        font-size: 10px;
    }
    
    /* 小屏幕吸顶状态 */
    .mobile-sidebar-toggle.sticky {
        top: 40px;
        left: 12px;
        padding: 8px 12px;
        min-width: 120px;
    }
    
    .mobile-sidebar-toggle.sticky::before {
        font-size: 14px;
    }
    
    .mobile-sidebar-toggle.sticky .toggle-text {
        font-size: 14px;
    }

    .news-home-outer {
        background-color: #ededed;
    }
    
    .product-sidebar {
        width: 95%;
        max-width: 300px;
    }
    
    /* 产品详情页小屏幕优化 */
    .product-detail-page .product-sidebar {
        width: 95%;
        max-width: 300px;
    }
    
    .product-detail-page .mobile-sidebar-toggle.sticky {
        top: 40px;
        left: 12px;
        padding: 8px 12px;
        min-width: 120px;
    }
    
    /* 新闻和关于我们详情页小屏幕优化 */
    .news-detail-page .news-sidebar,
    .aboutus-detail-page .aboutus-sidebar {
        width: 95%;
        max-width: 300px;
    }
    
    .news-detail-page .mobile-sidebar-toggle.sticky,
    .aboutus-detail-page .mobile-sidebar-toggle.sticky {
        top: 40px;
        left: 12px;
        padding: 8px 12px;
        min-width: 120px;
    }
    
    /* 新闻和关于我们页面小屏幕优化 */
    .news-page .news-sidebar,
    .aboutus-page .aboutus-sidebar {
        width: 95%;
        max-width: 300px;
    }
    
    .news-page .mobile-sidebar-toggle.sticky,
    .aboutus-page .mobile-sidebar-toggle.sticky {
        top: 40px;
        left: 12px;
        padding: 8px 12px;
        min-width: 120px;
    }
    
    /* 产品页面小屏幕优化 */
    .product-page .product-sidebar {
        width: 95%;
        max-width: 300px;
    }
    
    .product-page .mobile-sidebar-toggle.sticky {
        top: 40px;
        left: 12px;
        padding: 8px 12px;
        min-width: 120px;
    }
    
    .sidebar-header {
        padding: 16px 20px;
        border-radius: 0px;
    }
    
    .sidebar-title {
        font-size: 16px;
    }
    
    .series-link {
        padding: 14px 20px;
        font-size: 15px;
    }
    
    .subseries-link {
        padding: 10px 20px 10px 40px;
        font-size: 13px;
    }
    
    .product-description {
        font-size: 13px;
    }
    
    /* 新闻项垂直布局 */
    .news-home-item,
    .news-item {
        flex-direction: column;
    }
    
    .news-image {
        width: 100%;
        height: 200px;
    }
    
    /* 英雄图片调整 */
    .hero-image {
        height: 250px;
    }
    
    /* 按钮调整 */
    .btn {
        padding: 8px 15px;
        font-size: 14px;
    }
    
    /* 标题字体缩小 */
    .section-title {
        font-size: 20px;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    .advantages-title {
        font-size: 20px;
        height: 60px;
        line-height: 60px;
    }
    
    /* 页面标题调整 */
    .page-title-large {
        font-size: 28px;
    }
    
    .page-subtitle {
        font-size: 20px;
    }
    
    .product-main-title,
    .news-main-title,
    .aboutus-main-title {
        font-size: 24px;
    }
    
    .product-subtitle,
    .news-subtitle,
    .aboutus-subtitle {
        font-size: 16px;
    }
    
    /* 内边距调整 */
    .hot-sale-inner, 
    .advantages-inner, 
    .news-inner {
        padding: 0;
    }
    
    .hot-sale-header, 
    .news-home-header {
        padding: 15px;
    }
    .news-home-inner {
        padding-bottom: 0;
    }

    .hot-sale-grid, 
    .news-home-grid {
        grid-template-columns: 1fr;
        padding: 20px 15px;
        gap: 12px;
    }
    
    .advantages-left {
        padding: 20px 15px;
        border-radius: 0;
    }
    
    .advantages-right {
        min-height: 180px;
        flex: 1;
        margin-top: 10px;
        overflow: hidden;
        border-radius: 0;
    }
    
    /* 底部社交媒体小屏优化 */
    .footer-social {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .social-qr {
        width: 100%;
        min-height: 130px;
    }
    
    .social-item p {
        font-size: 10px;
    }
    
    /* 联系表单进一步简化 */
    .contact-form {
        padding: 15px;
    }
    
    .form-group label {
        font-size: 16px;
    }
    
    .submit-btn {
        font-size: 16px;
        padding: 10px 30px;
    }
}

/* ===== 搜索页面样式 ===== */
.search-page {
    background-color: #fff;
    color: #000;
    min-height: 100vh;
}

/* 搜索页面标题区域 */
.search-header {
    background-color: #fff;
    width: 100%;
    padding: 40px 0;
}

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

.search-main-title {
    font-size: 48px;
    color: #000;
    margin-bottom: 10px;
    font-weight: bold;
    text-transform: uppercase;
}

.search-subtitle {
    font-size: 24px;
    color: #666;
    margin-bottom: 30px;
    font-weight: 400;
}

/* 搜索表单容器 */
.search-form-container {
    max-width: 600px;
    margin: 0 auto 30px;
}

.search-form {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 5px;
}

.search-form-field {
    flex: 1;
    border: none;
    padding: 15px 20px;
    font-size: 16px;
    background: transparent;
    outline: none;
}

.search-form-button {
    background: #e60012;
    color: #fff;
    border: none;
    padding: 15px 25px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.search-form-button:hover {
    background: #cc0010;
}

.search-form-button img {
    width: 18px;
    height: 18px;
}

/* 搜索结果信息 */
.search-results-info {
    color: #666;
    font-size: 16px;
}

.search-results-info strong {
    color: #e60012;
}

/* 搜索结果容器 */
.search-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.search-content {
    width: 100%;
}

/* 搜索结果网格 - 两列布局 */
.search-results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 30px;
    margin-bottom: 40px;
}

.search-result-item {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.search-result-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.search-result-image {
    width: 100%;
    height: 360px;
    overflow: hidden;
}

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

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

.search-result-placeholder {
    width: 100%;
    height: 100%;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 14px;
}

.search-result-content {
    padding: 20px;
}

.search-result-title {
    font-size: 18px;
    color: #222;
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.4;
}

.search-result-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 14px;
    color: #666;
}

.search-result-date {
    color: #e60012;
}

.search-result-excerpt {
    color: #666;
    line-height: 1.6;
    font-size: 14px;
}

/* 搜索分页 */
.search-pagination {
    margin: 40px 0;
    text-align: center;
}

.search-pagination .page-numbers {
    display: inline-block;
    padding: 10px 16px;
    margin: 0 5px;
    background: #000;
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.search-pagination .page-numbers:hover {
    background: #e60012;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(230, 0, 18, 0.3);
}

.search-pagination .page-numbers.current {
    background: #e60012;
    box-shadow: 0 2px 8px rgba(230, 0, 18, 0.2);
}

/* 无搜索结果 */
.search-no-results {
    text-align: center;
    padding: 60px 20px;
}

.search-no-results-content {
    max-width: 600px;
    margin: 0 auto;
}

.search-no-results h3 {
    font-size: 28px;
    color: #222;
    margin-bottom: 20px;
}

.search-no-results p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.search-no-results ul {
    text-align: left;
    color: #666;
    margin: 20px 0;
    padding-left: 20px;
}

.search-no-results li {
    margin-bottom: 8px;
}

.search-back-home {
    display: inline-block;
    padding: 12px 30px;
    background: #e60012;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    margin-top: 20px;
    transition: background-color 0.3s ease;
}

.search-back-home:hover {
    background: #cc0010;
}

/* 搜索页面响应式设计 */
@media (max-width: 768px) {
    .search-main-title {
        font-size: 32px;
    }
    
    .search-subtitle {
        font-size: 20px;
    }
    
    .search-form {
        flex-direction: column;
        gap: 10px;
        padding: 15px;
    }
    
    .search-form-field {
        width: 100%;
        text-align: center;
    }
    
    .search-form-button {
        width: 100%;
        justify-content: center;
    }
    
    .search-results-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .search-result-image {
        height: 180px;
    }
    
    .search-header-container {
        padding: 0 15px;
    }
    
    .search-container {
        padding: 30px 15px;
    }

    .section-title-en {
        font-size: 18px !important;
    }
}

@media (max-width: 576px) {
    .search-main-title {
        font-size: 28px;
    }
    
    .search-subtitle {
        font-size: 18px;
    }
    
    .search-result-content {
        padding: 15px;
    }
    
    .search-result-title {
        font-size: 16px;
    }
    
    .search-result-meta {
        flex-direction: column;
        gap: 5px;
    }
    .section-title-en {
        font-size: 18px !important;
    }
}

/* 超小屏幕 (最大 320px) */
@media (max-width: 320px) {
    .header-container {
        padding: 0 10px;
    }
    
    .header-flex-row {
        padding: 5px;
    }
    
    .site-logo {
        max-height: 30px;
        max-width: 30px;
        margin: 0 15px;
    }
    
    .main-banner {
        height: 120px;
    }
    
    .banner-placeholder {
        font-size: 16px;
    }
    
    .advantages-title {
        font-size: 16px;
        height: 50px;
        line-height: 50px;
    }
    
    .hot-sale-inner, 
    .advantages-inner, 
    .news-inner {
        padding: 0;
    }
    
    .advantages-right {
        min-height: 150px;
        flex: 1;
        margin-top: 8px;
        overflow: hidden;
        border-radius: 10px;
    }
    
    .page-title-large {
        font-size: 22px;
    }
    
    .page-subtitle {
        font-size: 16px;
    }
    
    .contact-form {
        padding: 15px;
    }
    
    /* 底部社交媒体超小屏优化 */
    .footer-social {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        max-width: 250px;
    }
    
    .social-qr {
        width: 50px;
        height: 50px;
    }
    
    .social-item p {
        font-size: 8px;
    }
}