/* ============================================
   基础图标样式
   ============================================ */
.fa-chevron-down:before,
.fa-chevron-right:before {
    width: 3rem;
    height: 3rem;
}


/* ============================================
   Banner 区域
   ============================================ */
.banner-section {
    height: 65vh;
    max-height: 600px;
    background-position: center;
    background-size: cover;
    position: relative;
}

.hero-content {
    margin-top: -4rem;
}

.ind_banner {
    height: 100vh !important;
    max-height: none;
}

.banner-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.4));
}

.banner {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
    z-index: auto;
}


/* ============================================
   Scrollmore 区域
   ============================================ */
.scrollmore {
    background: url(../img/scrollmore_bg.webp) center bottom no-repeat;
    background-size: contain;
    padding: 6rem 0 0;
}

.scrollmore img {
    width: 10rem;
}


/* ============================================
   Contact & News 容器
   ============================================ */
.contact-section,
.news-container {
    position: relative;
    margin-top: -13rem;
    z-index: 20;
}

.premium-text {
    position: relative;
    color: var(--light-color);
}


/* ============================================
   关于我们区域
   ============================================ */
.aboutus {
    background: url("../img/aboutus.webp") no-repeat center;
    background-size: 100%;
}

.Vedio-about {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#videoTrigger {
    border-radius: 1rem;
}

#videoTrigger img {
    width: 100%;
}

.about-img {
    border-radius: 0rem 1rem 1rem 1rem;
}


/* ============================================
   过渡动画容器
   ============================================ */
.transition-container {
    position: relative;
    height: 300vh;
    padding: 0;
}

.transition-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
}

.transition-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: width 0.5s ease;
}

.transition-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-color);
    z-index: 10;
    transition: left 0.5s ease;
}


/* ============================================
   固定滚动容器
   ============================================ */
.fixed-scroll-container {
    display: flex;
    min-height: 300vh;
    background-color: #4a4a4a;
}

.fixed-scroll-container .banner-overlay {
    z-index: 9;
    background: linear-gradient(to right, rgb(225 113 14 / 80%), transparent);
}

.scroll-content {
    width: 100%;
    padding: 24px;
    position: absolute;
    z-index: 9;
}

.scroll-section {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px;
    max-width: 90%;
    margin: auto;
    color: #ffffff;
}

.scroll-section .items-start i:before {
    color: #ffffff;
}

.scroll-section span {
    color: var(--dark-color);
}

.fixed-content {
    width: 100%;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
}

.fixed-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.fixed-image.active {
    opacity: 1;
}


/* ============================================
   3D 模型容器
   ============================================ */
#model-container {
    width: 100%;
    height: 400px;
    position: relative;
}


/* ============================================
   导航栏
   ============================================ */
.sticky-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    transition: all 0.3s ease;
}

.normal-nav,
.sticky-nav:hover,
.sticky-nav.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

#mobile-menu {
    background: rgb(255 255 255 / 95%);
    width: 100%;
    left: 0;
    top: 100%;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}


/* ============================================
   Join Banner 区域
   ============================================ */
.join-banner {
    width: 100%;
    min-height: 393px;
    background: url("../img/join_bg.webp") center/cover no-repeat;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    padding: 40px 0;
}

.join-banner::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.join-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 90%;
    max-width: 1100px;
}

.join-title-en {
    font-size: 4rem;
    font-weight: lighter;
    color: transparent;
    background: linear-gradient(140.18deg, rgba(255, 102, 26, 1) 0%, rgba(255, 169, 77, 1) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    line-height: 1;
}

.join-title-cn {
    font-size: 2.6rem;
    font-weight: bold;
    margin-bottom: 2rem;
}

.join-form {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.join-input {
    min-width: 200px;
    height: 3.5rem;
    padding: 0 1rem;
    border: none;
    border-radius: 4px;
    background: #ffffff;
    font-size: 1rem;
    color: #333;
    outline: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    text-align: left;
    opacity: 0.88;
}

.join-input:focus-within {
    background: rgba(255, 255, 255, 1);
    opacity: 1;
    box-shadow: 0 0 0 3px rgba(255, 125, 0, 0.35);
}

.join-input input {
    border: none;
    background: transparent;
    flex: 1;
    outline: none;
    font-size: 1rem;
    color: #333;
}

.join-input .icon {
    font-size: 1.2rem;
    color: #999;
}

.join-input.address {
    cursor: pointer;
    justify-content: space-between;
    user-select: none;
}

.join-input.address .arrow {
    color: #999;
    font-size: 1.2rem;
    transition: transform 0.2s;
}

.join-input.address.active .arrow {
    transform: rotate(90deg);
}

.address-popup {
    position: absolute;
    top: 65px;
    left: 0;
    width: 100%;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    z-index: 99;
    padding: 15px;
    display: none;
    color: #333;
}

.address-popup.show {
    display: block;
}

.address-popup select {
    width: 32%;
    height: 40px;
    padding: 0 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    outline: none;
}

.join-btn {
    height: 3.5rem;
    padding: 0 2.5em;
    border: none;
    border-radius: 4px;
    background: #ff7d00;
    color: #fff;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.join-btn:hover {
    background: #e66f00;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 125, 0, 0.4);
}

.join-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.tips {
    color: #ff4c4c;
    font-size: 0.85rem;
    margin-top: 10px;
    height: 20px;
}


/* ============================================
   固定按钮
   ============================================ */
.fixed-btn {
    position: fixed;
    right: 3%;
    bottom: 30vh;
}

.join-fixed {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -46px;
    z-index: 10;
    background: var(--primary-color);
    border-radius: 50%;
    font-size: 16px;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 2em;
}

.join-fixed:before {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgb(237 127 42 / 52%);
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    animation: joinFixed linear 1s infinite;
}

@keyframes joinFixed {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.join-fixed svg {
    display: block;
    margin: 0 auto 4px;
}

#customer-service-chat {
    right: 10rem;
}

.back-to-top {
    opacity: 1;
    width: 60px;
    height: 60px;
    text-align: center;
    justify-items: center;
    background: rgba(255, 255, 255, 0.9);
    z-index: 99;
    border-radius: 100%;
    cursor: pointer;
}

.back-to-top:hover {
    color: #ED7F2A;
    transform: translateY(-3px);
    transition: all 0.3s ease;
    box-shadow: 0 5px 10px rgba(237, 127, 42, 0.3);
}


/* ============================================
   产品卡片
   ============================================ */
.product-card {
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.product-card:hover .flex {
    color: #ED7F2A;
}


/* ============================================
   Footer 页脚
   ============================================ */
.footer {
    width: 100%;
    background: #000;
    color: #fff;
    padding: 0 5%;
    display: flex;
    align-items: flex-start;
    position: relative;
}

.footer-wrapper {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-container {
    margin: 0 auto;
    width: 100%;
    padding: 5rem 0 2rem;
}

.footer .back-top {
    background: url("../img/back_top.webp") #FF661A no-repeat center;
    position: absolute;
    right: 0;
    height: 100%;
    max-width: 170px;
    width: 11rem;
    font-size: 0;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

.footer-brand {
    flex: 1;
    min-width: 200px;
    margin-right: 40px;
}

.footer-logo-en {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.footer-logo-cn {
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 30px;
}

.footer-nav {
    display: flex;
    flex: 2;
    min-width: 600px;
    justify-content: space-between;
}

.nav-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-title {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #fff;
}

.nav-item {
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-item:link,
.nav-item:visited {
    color: #a5a5a5;
}

.nav-item:hover {
    color: #ff7d00;
}

.footer-contact {
    flex: 1;
    min-width: 250px;
    max-width: 400px;
    display: flex;
    flex-direction: column;
}

.contact-hotline {
    margin-bottom: 3.5rem;
}

.contact-qrcodes {
    display: flex;
    gap: 30px;
    align-items: center;
}

.qrcode-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qrcode-img {
    width: 140px;
    height: 140px;
    background: #fff;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

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

.qrcode-text {
    font-size: 0.9rem;
    color: #ccc;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 2rem;
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.85rem;
    color: #666;
}

.footer-bottom a {
    color: var(--nav-color);
    text-decoration: none;
}

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


/* ============================================
   新闻中心
   ============================================ */
.news-center {
    width: 100%;
    background-color: #f8f9fa;
    background: url("../img/news_bg.webp") no-repeat center #F7F8FC;
    background-size: cover;
    overflow: hidden;
}

.title-en {
    font-size: 3rem;
    color: transparent;
    background: linear-gradient(140.18deg, rgba(255, 102, 26, 1) 0%, rgba(255, 169, 77, 1) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    letter-spacing: 2px;
    line-height: 1.2;
}

.title-cn {
    font-size: 2.25rem;
    font-weight: 600;
    color: #121212;
    margin-top: 5px;
}

.carousel-container {
    position: relative;
}

.carousel-track {
    padding-bottom: 30px;
    height: auto;
}

.news-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    height: auto;
}

.news-card:hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgb(120 89 66 / 30%);
    border-bottom: 5px rgb(245 144 67) solid !important;
}

.news-card.active {
    border-bottom: 5px rgb(255 255 255) solid;
}

.card-date {
    font-size: 2.6rem;
    font-weight: 700;
    color: #121212;
    margin-bottom: 2.2rem;
}

.card-month {
    font-size: 1.1rem;
    color: #999;
    margin-left: 0.5rem;
    font-weight: normal;
}

.card-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-title.orange {
    color: #ED7F2A;
}

.card-desc {
    font-size: 0.95rem;
    color: #777;
    line-height: 1.6;
    margin-bottom: 2rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.card-img {
    width: 100%;
    height: 180px;
    border-radius: 8px;
    object-fit: cover;
    margin-bottom: 1rem;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #ffffff;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #666;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background: #ED7F2A;
    color: #ffffff;
}

.carousel-btn::after {
    display: none;
}

.swiper-button-prev.carousel-btn,
.swiper-button-next.carousel-btn {
    width: 50px;
    height: 50px;
}

.swiper-button-prev.carousel-btn {
    left: auto;
    right: 60px;
    position: relative;
}

.swiper-button-next.carousel-btn {
    right: 20px;
    position: relative;
}

.carousel-indicators {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.carousel-indicators.visible {
    opacity: 1;
    visibility: visible;
}

.indicator-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.indicator-dot:hover {
    background: #ED7F2A;
    transform: scale(1.2);
}

.indicator-dot.active {
    background: #ED7F2A;
    transform: scale(1.3);
}

.indicator-dot::after {
    content: attr(data-text);
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    color: #e97d39;
    border-radius: 4px;
    font-size: 12px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

.indicator-dot:hover::after {
    opacity: 1;
    visibility: visible;
}

.decor-line {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 80px;
    height: 200px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 200"><path d="M0,0 L80,0 L80,200 L0,200 Z" fill="none" stroke="#eee" stroke-width="1" stroke-dasharray="2,2"/></svg>');
    opacity: 0.5;
}

.social-icon-hover {
    position: relative;
}

.social-icon-hover-img {
    opacity: 0;
}

.social-icon-hover:hover .social-icon-hover-img {
    opacity: 1;
}

.news-container .news-title {
    line-height: 1.5;
}

.news-pagination .truncate i {
    top: 50%;
    transform: translate(0, -50%);
}


/* ============================================
   新闻侧边栏
   ============================================ */
.news-sidebar {
    transition: position 0.3s ease;
}

.news-content {
    flex: 1;
}


/* ============================================
   下载项
   ============================================ */
.download-item {
    transition: all 0.3s ease;
}

.download-card {
    background: #ECEFF4;
}

.download-card .download-item:hover {
    background: none;
}

.download-item:hover {
    background-color: rgb(249 249 249);
    padding-left: 1rem;
    border-radius: 8px;
}

.download-item .logo {
    background: #ffffff;
    border: 1px #e5e5e5 solid;
    padding: 1rem 1.8rem;
}

.download-btn {
    transition: all 0.3s ease;
    border-radius: 4px;
    display: block;
}

.download-btn .icon {
    padding: 1rem;
}

.download-btn:hover {
    transform: scale(1.1);
}


/* ============================================
   新闻图片
   ============================================ */
.news-image {
    position: relative;
    width: 100%;
    padding-bottom: 62.5%;
    overflow: hidden;
    border-radius: 1rem;
}

.news-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

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

.news-link {
    transition: color 0.3s ease;
}


/* ============================================
   分页按钮
   ============================================ */
.pagination-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4b5563;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn:hover {
    background-color: #f2f2f2;
}

.pagination-btn.active {
    background-color: #ED7F2A;
    color: #fff;
    border-color: #ED7F2A;
}


/* ============================================
   动画效果
   ============================================ */
.news-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.news-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.product-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.product-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}


/* ============================================
   产品图片
   ============================================ */
.product-image {
    position: relative;
    width: 100%;
    padding-bottom: 62.5%;
    overflow: hidden;
    border-radius: 0.5rem;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

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


/* ============================================
   固定背景
   ============================================ */
.fixed-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    max-width: 100vw;
    max-height: 100vh;
    object-fit: cover;
    object-position: center center;
    z-index: -1;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.fixed-bg-1 {
    opacity: 1;
    visibility: visible;
}


/* ============================================
   滚动条隐藏
   ============================================ */
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.scrollbar-hide::-webkit-scrollbar {
    display: none;
}


/* ============================================
   产品导航
   ============================================ */
.product-nav-wrapper {
    width: 100%;
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
}

.product-nav-wrapper .product-nav {
    width: max-content;
    min-width: 100%;
}

.product-nav-wrapper .product-nav .active {
    color: #ED7F2A;
    border-bottom: 2px #ED7F2A solid;
}

.product-nav-wrapper .product-nav a:hover {
    color: #ED7F2A;
}


/* ============================================
   筛选按钮
   ============================================ */
.filtrate-wrapper {
    width: 100%;
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
}

.filtrate-wrapper > div {
    width: max-content;
    min-width: 100%;
}


/* ============================================
   固定背景交互
   ============================================ */
#store-modes:is(:hover, :focus-within, :target),
body:has(#store-modes:hover),
body:has(#store-modes:focus-within),
body:has(#store-modes:target) {
    .fixed-bg-1 {
        opacity: 0;
        visibility: hidden;
    }
    .fixed-bg-2 {
        opacity: 1;
        visibility: visible;
    }
    .fixed-bg-3 {
        opacity: 0;
        visibility: hidden;
    }
}

#support-policies:is(:hover, :focus-within, :target),
body:has(#support-policies:hover),
body:has(#support-policies:focus-within),
body:has(#support-policies:target) {
    .fixed-bg-1 {
        opacity: 0;
        visibility: hidden;
    }
    .fixed-bg-2 {
        opacity: 0;
        visibility: hidden;
    }
    .fixed-bg-3 {
        opacity: 1;
        visibility: visible;
    }
}


/* ============================================
   基础工具类
   ============================================ */
.bg-primary {
    --tw-bg-opacity: 1;
    background-color: rgb(237 127 42 / var(--tw-bg-opacity, 1));
}

.border-primary {
    --tw-border-opacity: 1;
    border-color: rgb(237 127 42 / var(--tw-border-opacity, 1));
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 2em;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #d96e20;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(237, 127, 42, 0.2);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 10px 2em;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
    text-decoration: none;
}

.btn-outline:link,
.btn-outline:visited {
    color: var(--primary-color);
}

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

.card {
    background-color: white;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.icon-box {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    border: 1px #f7b376 solid;
}

.card:hover .icon-box {
    background-color: var(--primary-color);
    transform: rotateY(180deg);
    color: white;
    border: 1px var(--primary-color) solid;
}

.card:hover .icon-box i,
.card:hover .icon {
    color: white;
}

#store-modes .card:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgb(24 24 24 / 66%);
    z-index: -1;
}

#store-modes .card .icon-box {
    background: var(--primary-color);
    border: none;
}

#store-modes .card i:before {
    background-image: url(../img/join_h.webp);
}

#store-modes .card .border-dotted {
    border-color: rgba(255, 255, 255, 0.5);
}


/* ============================================
   步骤样式
   ============================================ */
.step {
    position: relative;
    padding-left: 40px;
    margin-bottom: 30px;
}

.step::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 30px;
    height: 30px;
    background-color: var(--primary-color);
    border-radius: 50%;
    z-index: 1;
}

.step::after {
    content: '';
    position: absolute;
    left: 14px;
    top: 30px;
    width: 2px;
    height: calc(100% + 10px);
    background-color: #e0e0e0;
    z-index: 0;
}

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

.step-number {
    position: absolute;
    left: 7px;
    top: 7px;
    color: white;
    font-weight: 700;
    z-index: 2;
}


/* ============================================
   参数样式
   ============================================ */
.parameter-header {
    border-color: #333;
}

.parameter-item {
    padding: 0.7rem 0.7rem 2rem;
    border-bottom: 1px #e5e5e5 solid;
}

.parameter-label {
    font-size: 1.4rem;
    font-weight: bold;
}

.parameter-value {
    font-size: 1rem;
}


/* ============================================
   产品 Banner
   ============================================ */
.product-banner {
    max-height: 800px;
    height: 80vh;
}

.product-banner::before {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.0), rgba(0, 0, 0, 0.2));
}


/* ============================================
   加入我们区域
   ============================================ */
.joinus-section .section-title {
    position: relative;
    display: inline-block;
}

.joinus-section .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translate(-50%, 0px);
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
}

.gray-card {
    background: #f5f5f5;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.Process_num {
    color: rgb(211 211 211 / 30%);
    font-weight: 600;
    font-style: normal;
    position: absolute;
    left: 50%;
    transform: translate(-50%, 0);
}

.Process-section .icon-box {
    background: none;
    border: 1px #f7b376 solid;
    width: 4rem;
    height: 4rem;
}

.Process-section .gray-card .icon-box {
    border: 1px #e37318 solid;
    background-color: var(--primary-color);
}

.joinus-section .icon::before {
    background-image: url(../img/join.webp);
    background-size: 40rem;
    width: 3rem;
    height: 3rem;
}

.joinus-section .card:hover .icon::before {
    background-image: url(../img/join_h.webp);
}


/* ============================================
   图标定位
   ============================================ */
.fa-industry:before {
    background-position: -0.5rem -4.89rem;
}

.fa-award:before {
    background-position: -6.5rem -4.89rem;
}

.fa-tag:before {
    background-position: -12.5rem -4.89rem;
}

.fa-chart-line:before {
    background-position: -18.5rem -4.89rem;
}

.fa-store:before {
    background-position: -24.5rem -4.89rem;
}

.fa-building:before {
    background-position: -30.5rem -4.89rem;
}

.fa-city:before {
    background-position: -36.5rem -4.89rem;
}

#store-modes .icon:before {
    transform: scale(1.3);
}

.fa-retailing:before {
    background-position: -12.5rem -9.29rem;
}

.fa-sync-alt:before {
    background-position: -0.5rem -9.29rem;
}

.fa-network-wired:before {
    background-position: -6.5rem -9.29rem;
}

.fa-tools:before {
    background-position: -18.5rem -9.29rem;
}

.fa-consultation:before {
    background-position: -0.47rem -0.5rem;
}

.fa-evaluation:before {
    background-position: -6.48rem -0.5rem;
}

.fa-cooperation:before {
    background-position: -12.48rem -0.5rem;
}

.fa-openstore:before {
    background-position: -18.48rem -0.5rem;
}

.fa-training:before {
    background-position: -24.48rem -0.5rem;
}

.fa-ceremony:before {
    background-position: -30.48rem -0.5rem;
}

.fa-operation:before {
    background-position: -36.48rem -0.5rem;
}

.Process-section .icon:before {
    transform: scale(1.1);
    background-image: url(../img/join_h.webp);
}

.fa-brands-sup:before {
    background-position: -36.5rem -9.29rem;
}

.fa-cubes:before {
    background-position: -30.5rem -9.29rem;
}

.fa-laptop:before {
    background-position: -24.5rem -9.29rem;
}


/* ============================================
   关于我们组
   ============================================ */
.about-group .border {
    border-top: none;
    border-left: none;
    z-index: 9;
    position: relative;
    height: 45rem;
    border-color: rgba(255, 255, 255, 0.35);
    padding-top: 0rem;
}

.about-group .border:before {
    content: "";
    position: absolute;
    right: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(237, 128, 41, .8);
    opacity: 0;
    -webkit-transition: all .8s cubic-bezier(.69, .27, .45, .99);
    transition: all .8s cubic-bezier(.69, .27, .45, .99);
}

.about-group .border.active:before {
    opacity: 1;
}

.about-group .border:nth-child(n+8) {
    border-bottom: none;
}

.about-group > div.active {
    border-color: #ED7F2A !important;
    background-color: rgba(255, 255, 255, 0.1) !important;
}

.about-group > div:hover .values {
    opacity: 1 !important;
}

#about-text {
    padding-left: 50px;
}

#about-image {
    padding-right: 50px;
}


/* ============================================
   关于我们区域样式
   ============================================ */
.aboutus-section .banner-overlay {
    background: rgba(0, 0, 0, 0.45);
}

.about_culture_title {
    padding-bottom: 1em;
}

.about_culture_title:after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translate(-50%, 0);
    bottom: 0;
    width: 2rem;
    height: 0.15rem;
    background: rgba(255, 255, 255, .75);
    -webkit-transition: all .8s cubic-bezier(.69, .27, .45, .99);
    transition: all .8s cubic-bezier(.69, .27, .45, .99);
}

.values {
    display: none;
}

.about-group .border:hover .values {
    -webkit-transition: all .8s cubic-bezier(.69, .27, .45, .99);
    transition: all .8s cubic-bezier(.69, .27, .45, .99);
    position: relative;
}

.about_culture_item {
    opacity: 0.35;
    -webkit-transition: all .8s cubic-bezier(.69, .27, .45, .99);
    transition: all .8s cubic-bezier(.69, .27, .45, .99);
}

.active .about_culture_item {
    opacity: 0.75;
}


/* ============================================
   Swiper 分页器
   ============================================ */
.swiper-button-next,
.swiper-button-prev {
    color: white !important;
    background-color: rgba(0, 0, 0, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 20px !important;
    font-weight: bold;
}


/* ============================================
   工艺展示
   ============================================ */
#crafting {
    background-image: url(../img/bg01.png);
    background-size: cover;
}


/* ============================================
   企业文化2
   ============================================ */
#culture2 .icon-box {
    border: none;
}

.aboutus-section .icon:before {
    background-image: url(../img/about.webp);
    background-size: 40rem;
    width: 3rem;
    height: 3rem;
}

#culture2 .icon:before {
    transform: scale(1.3);
}

#culture2 .icon:before,
.aboutus-section .card:hover .icon:before,
.about-group:hover .icon:before {
    background-image: url(../img/about_h.webp);
}

.fa-jzg:before {
    background-position: -1.4rem -1.35rem;
}

.fa-cn:before {
    background-position: -9.95rem -1.35rem;
}

.fa-zx:before {
    background-position: -18.5rem -1.35rem;
}

.fa-slogan:before {
    background-position: -1.32rem -7.7rem;
}

.fa-sm:before {
    background-position: -9.92rem -7.7rem;
}

.fa-yj:before {
    background-position: -18.52rem -7.7rem;
}

.fa-dw:before {
    background-position: -27.05rem -7.7rem;
}

.fa-gx:before {
    background-position: -35.65rem -7.7rem;
}

.aboutus-section .accordion-item:hover .icon-box {
    border-color: rgb(255 255 255 / 100%);
}


/* ============================================
   技术卡片
   ============================================ */
.tech-card:hover .bg-black\/60 {
    background-color: rgb(237 127 42 / 85%);
}


/* ============================================
   标准卡片
   ============================================ */
.standard-card {
    height: 26rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.standard-card.active {
    border-color: #ED7F2A !important;
    background-color: rgba(255, 255, 255, 0.1) !important;
}

.standard-card:before {
    content: "";
    position: absolute;
    right: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgb(18 18 18 / 45%);
    -webkit-transition: all .8s cubic-bezier(.69, .27, .45, .99);
    transition: all .8s cubic-bezier(.69, .27, .45, .99);
    z-index: -1;
}

.standard-card.active:before {
    opacity: 1;
    background-color: rgba(237, 128, 41, .8);
}

.standard-card.active .fuwu {
    padding-left: 2rem;
    margin-left: 2rem;
    border-left: 1px rgb(255 255 255 / 72%) dotted;
}

.standard-card .icon-box {
    border-color: #ffffff;
}

.standard-card:hover .icon-box {
    background: #fff7f1;
    border-color: #fff7f1;
}

.standard-card:hover .icon-box i {
    color: #ED7F2A;
}


/* ============================================
   动画关键帧
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        visibility: hidden;
    }
    to {
        opacity: 1;
        visibility: visible;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        visibility: visible;
    }
    to {
        opacity: 0;
        visibility: hidden;
    }
}


/* ============================================
   响应式样式 - 1280px 以上
   ============================================ */
@media (min-width: 1280px) {
    .about-group .border:nth-child(n+7) {
        border-bottom: none;
    }

    .about-group {
        height: 600px;
    }

    .accordion-item {
        flex: 1;
        min-width: 20%;
    }

    .accordion-item:hover {
        flex: 2;
    }

    .accordion-item .values {
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .accordion-item:hover .values {
        opacity: 1;
    }

    .about-group .border:nth-child(n+5) {
        border-bottom: none;
    }
}


/* ============================================
   响应式样式 - 1024px 以上
   ============================================ */
@media (min-width: 1024px) {
    #videoTrigger {
        max-width: 390px;
        border-radius: 1rem 1rem 0rem 1rem;
    }

    .news-sidebar.sticky-sidebar {
        position: sticky;
        top: 150px;
        align-self: flex-start;
    }
}


/* ============================================
   响应式样式 - 769px 以上
   ============================================ */
@media (min-width: 769px) {
    .desktop-nav ul {
        gap: 0px;
    }

    .desktop-nav ul li a {
        padding: 8px 12px;
        transition: all 0.3s ease;
    }
}


/* ============================================
   响应式样式 - 1280px 以下
   ============================================ */
@media (max-width: 1280px) {
    .about-group > div .values {
        display: block !important;
        opacity: 1 !important;
    }

    .about_culture_item {
        opacity: 0 !important;
    }

    .about-group > div {
        pointer-events: none;
        height: auto !important;
    }

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

    .accordion-item {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

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

    .accordion-item .values {
        opacity: 1 !important;
        display: block !important;
    }

    .standard-card {
        height: auto;
    }

    .fuwu {
        display: block !important;
        padding-left: 2rem;
        margin-left: 2rem;
        border-left: 1px rgb(255 255 255 / 72%) dotted;
    }
}


/* ============================================
   响应式样式 - 1200px 以下
   ============================================ */
@media (max-width: 1200px) {
    .news-card {
        min-width: 300px;
    }
}


/* ============================================
   响应式样式 - 1024px 以下
   ============================================ */
@media (max-width: 1024px) {
    .aboutus {
        background-image: none;
    }
    
    .more-btn {
        bottom: -4em;
    }
    
    .parameter-item {
        padding: 0.7rem 0.7rem 1rem;
    }

    .parameter-label {
        font-size: 1.1rem;
    }

    .parameter-value {
        font-size: 0.9rem;
    }

    #mobile-menu .submenu a {
        padding: 1em 0.5em;
        display: block;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    #mobile-menu ul li:last-child a {
        border-bottom: none;
    }

    #mobile-menu .dropdown-arrow:before {
        font-size: 0.8rem;
    }

    .title-en {
        font-size: 2.5rem;
    }

    .title-cn {
        font-size: 1.75rem;
    }
}


/* ============================================
   响应式样式 - 992px 以下
   ============================================ */
@media (max-width: 992px) {
    .footer-wrapper {
        flex-direction: column;
    }

    .footer-top {
        flex-direction: column;
    }

    .footer-nav {
        min-width: 100%;
        margin-top: 40px;
        flex-wrap: wrap;
    }

    .nav-col {
        flex: 1;
    }

    .footer-contact {
        align-items: center;
        justify-content: space-between;
        margin: 40px auto 0;
        flex-direction: row;
        gap: 40px;
        max-width: 100%;
        width: 100%;
    }

    .footer-brand {
        margin: 1rem 0 0;
        display: flex;
        justify-content: center;
    }

    .footer-brand a {
        margin-bottom: 1rem;
    }

    .footer .back-top {
        display: none;
    }

    .contact-qrcodes {
        justify-content: flex-start;
    }
}


/* ============================================
   响应式样式 - 768px 以下
   ============================================ */
@media (max-width: 768px) {
    .fixed-scroll-container {
        flex-direction: column;
        min-height: auto;
        background-image: url(../img/tech01.jpg);
        background-size: cover;
        background-repeat: no-repeat;
        padding: 0;
    }

    .scroll-content,
    .fixed-content {
        width: 100%;
        height: auto;
        position: relative;
        background: linear-gradient(to right, rgb(225 113 14 / 80%), transparent);
        padding-top: 0;
        padding-bottom: 0;
    }

    .scroll-section {
        height: auto;
        padding: 2rem 1rem;
        max-width: 100%;
        border-bottom: 1px #ddd dotted;
    }

    .scroll-section:last-child {
        border: none;
    }

    .scroll-section h3 {
        margin-bottom: 20px;
    }

    .scroll-section ul li {
        margin-bottom: 10px;
    }

    .join-banner {
        padding: 3rem 0;
    }

    .join-content {
        width: 100%;
    }

    .join-title-en {
        font-size: 2.4rem;
        letter-spacing: 2px;
    }

    .join-title-cn {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }

    .join-form {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }

    .join-input {
        width: 100%;
        min-width: unset;
        height: 3rem;
    }

    .join-btn {
        width: 100%;
        height: 50px;
        font-size: 1rem;
        padding: 0 30px;
    }

    .address-popup select {
        width: 100%;
        margin-bottom: 8px;
    }

    .join-title-en {
        font-size: 2.4rem;
        letter-spacing: 4px;
    }

    .join-title-cn {
        font-size: 1.8rem;
    }

    .join-form {
        flex-direction: column;
        width: 100%;
    }

    .join-input {
        width: 100%;
        min-width: unset;
        height: 3rem;
    }

    .join-btn {
        width: 100%;
    }

    .address-popup select {
        width: 100%;
        margin-bottom: 8px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .card-date {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    .card-title {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .card-desc {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }

    .card-img {
        height: 150px;
    }

    .news-center {
        padding: 20px 0;
    }

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

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

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .swiper-button-prev.carousel-btn,
    .swiper-button-next.carousel-btn {
        width: 40px;
        height: 40px;
    }

    .swiper-button-prev.carousel-btn {
        left: 10px;
        right: auto;
    }

    .swiper-button-next.carousel-btn {
        right: 10px;
    }

    .swiper-button-next,
    .swiper-button-prev {
        width: 30px;
        height: 30px;
    }

    .swiper-button-next::after,
    .swiper-button-prev::after {
        font-size: 16px !important;
    }

    #about-text,
    #about-image {
        padding: 0px !important;
        transform: inherit !important;
    }

    .sticky-nav {
        padding: 10px 15px;
    }

    #mobile-menu {
        padding: 15px;
    }

    .standard-card {
        display: block;
    }

    .fuwu {
        border-top: 1px rgb(255 255 255 / 72%) dotted;
        border-left: 0 !important;
        margin: 2rem 0 0 !important;
        padding: 2rem 0 0 !important;
    }

    .standard-card .icon-box {
        margin-top: 0;
    }

    .footer {
        padding: 0 15px;
    }

    .footer-container {
        padding: 3rem 0 1.5rem;
    }

    .footer-top {
        margin-bottom: 40px;
    }

    .footer-nav {
        gap: 30px;
    }

    .nav-title {
        font-size: 1rem;
        margin-bottom: 10px;
    }

    .nav-item {
        font-size: 0.85rem;
    }

    .contact-hotline {
        margin-bottom: 0;
    }

    .contact-hotline p:first-child {
        font-size: 1rem;
    }

    .contact-hotline p:last-child {
        font-size: 1.5rem;
    }

    .qrcode-img {
        width: 100px;
        height: 100px;
    }

    .qrcode-text {
        font-size: 0.8rem;
    }

    .footer-bottom {
        font-size: 0.75rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    p {
        line-height: 1.5;
    }

    .container {
        padding-left: 15px;
        padding-right: 15px;
    }

    section {
        padding-left: 15px;
        padding-right: 15px;
    }

    .banner-section {
        height: 35vh;
    }

    .product-banner {
        height: 60vh;
    }

    .product-banner::before {
        background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.4));
    }

    #products h2 {
        font-size: 2rem;
        margin-bottom: 10px;
    }

    #products p {
        font-size: 0.9rem;
    }

    .product-image-container {
        height: 200px;
    }

    .product-card h3 {
        font-size: 1.2rem;
    }

    .product-card p {
        font-size: 0.9rem;
    }
}


/* ============================================
   响应式样式 - 576px 以下
   ============================================ */
@media (max-width: 576px) {
    .contact-qrcodes {
        gap: 20px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .card-date {
        font-size: 1.8rem;
    }

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

    .card-img {
        height: 120px;
    }
}


/* ============================================
   响应式样式 - 480px 以下
   ============================================ */
@media (max-width: 480px) {
    .join-title-en {
        font-size: 2rem;
    }

    .join-title-cn {
        font-size: 1.5rem;
    }

    .join-input {
        height: 45px;
    }

    .join-btn {
        height: 45px;
    }

    .footer-brand a {
        margin-bottom: 0rem;
    }

    .footer-container {
        padding: 2rem 0 1rem;
    }

    .footer-nav {
        gap: 20px;
    }

    .contact-hotline p:last-child {
        font-size: 1.2rem;
    }

    .footer-contact {
        flex-direction: column-reverse;
        gap: 30px;
    }

    .contact-hotline {
        text-align: center;
        flex-direction: row;
        display: flex;
    }

    .contact-hotline p {
        line-height: 1;
    }

    .contact-hotline p:first-child {
        font-size: 1.2rem;
        margin-bottom: 0;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    h3 {
        font-size: 1.3rem;
    }

    p {
        font-size: 1rem;
    }

    .container {
        padding-left: 10px;
        padding-right: 10px;
    }

    section {
        padding-left: 10px;
        padding-right: 10px;
    }

    .download-item {
        text-align: left;
    }

    .download-item .logo {
        padding: 0.5rem 1rem;
    }

    .download-btn .icon {
        padding: 0.4rem;
        transform: scale(0.85);
    }

    .product-image-container {
        height: 180px;
    }

    .product-card h3 {
        font-size: 1.1rem;
    }

    #products h2 {
        font-size: 1.8rem;
    }
}