/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 自定义字体 */
@font-face {
    font-family: 'SourceHanSansSC';
    src: url('../css/SourceHanSansSC-Regular.otf') format('opentype'),
        url('../css/SourceHanSansSC-Regular.woff2') format('woff2'),
        url('../css/SourceHanSansSC-Regular.woff') format('woff'),
        url('../css/SourceHanSansSC-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}

@font-face {
    font-family: 'SourceHanSansSC';
    src: url('../css/SourceHanSansSC-Medium.otf') format('opentype'),
        url('../css/SourceHanSansSC-Medium.woff2') format('woff2'),
        url('../css/SourceHanSansSC-Medium.woff') format('woff'),
        url('../css/SourceHanSansSC-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: block;
}

@font-face {
    font-family: 'SourceHanSansSC';
    src: url('../css/SourceHanSansSC-Bold.otf') format('opentype'),
        url('../css/SourceHanSansSC-Bold.woff2') format('woff2'),
        url('../css/SourceHanSansSC-Bold.woff') format('woff'),
        url('../css/SourceHanSansSC-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: block;
}

:root {
    --primary-green: #9DE600;
    --dark-bg: #000;
    --card-bg: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #999999;
    --border-color: #2a2a2a;
}

body {
    font-family: 'SourceHanSansSC', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden !important;
    width: 100%;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1596px;
    margin: 0 auto;
    width: 100%;
    padding: 0;
    box-sizing: border-box;
}

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    height: 80px;

}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-green);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-img {
    width: 100px;
    height: 30px;
    display: block;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 20px;
    transition: color 0.3s;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 160px;
    line-height: 80px;
    gap: 5px;
    font-weight: 400;
}

.nav-link:hover,
.nav-link.active,
.dropdown:hover .nav-link {
    color: #606060;
}


.dropdown-arrow {
    font-size: 24px;
    transition: transform 0.3s;
    margin-left: 5px;
}



/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: rgba(26, 26, 26, 0.98);
    backdrop-filter: blur(10px);
    min-width: 330px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    border-bottom-left-radius: 2px;
    border-bottom-right-radius: 2px;
}

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

.dropdown-item {
    display: block;
    padding: 0px 26px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 20px;
    transition: all 0.3s;
    position: relative;
    height: 51px;
    line-height: 51px;
    font-weight: 400 !important;
}

.dropdown-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 26px;
    bottom: 0;
    right: 26px;
    height: 1px;
    background-color: var(--border-color);
}



.dropdown-item:hover {
    background-color: rgba(157, 230, 0, 1);
    color: #000;
    padding-left: 30px;
    font-weight: 400 !important;
}

.dropdown-item:hover::after {
    display: none;
}

.dropdown-item:last-child:hover {
    border-bottom-left-radius: 2px;
    border-bottom-right-radius: 2px;
}

.dropdown-item.highlight {
    background-color: var(--primary-green);
    color: var(--dark-bg);
}

.dropdown-item.highlight::after {
    display: none;
}

.dropdown-item.highlight:hover {
    background-color: var(--primary-green);
    opacity: 0.9;
}

.header-right {
    display: flex;
    gap: 30px;
    align-items: center;
}

.contact-link {
    color: var(--primary-green);
    text-decoration: none;
    font-size: 20px;
    width: 102px;
    height: 34px;
    display: inline-block;
    text-align: center;
    line-height: 32px;
    border: 1px solid var(--primary-green);
    border-radius: 21px;
    transition: all 0.3s;
    position: relative;
    font-weight: 400 !important;
}

.contact-link:hover {
    background-color: var(--primary-green);
    color: var(--dark-bg);

}

.menu-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    transition: color 0.3s;
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.menu-btn:hover {
    color: var(--primary-green);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 1100;
    transition: right 0.3s ease;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
}

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

.mobile-menu-content {
    padding: 80px 0 20px;
    display: flex;
    flex-direction: column;
}

.mobile-menu-item {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 18px;
    padding: 15px 30px;
    transition: all 0.3s;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-item.active {
    background-color: var(--primary-green);
    color: var(--dark-bg);
    font-weight: 500;
}

.mobile-menu-item:hover {
    background-color: rgba(157, 230, 0, 0.1);
    padding-left: 35px;
}

.mobile-menu-item.active:hover {
    background-color: var(--primary-green);
    padding-left: 30px;
}

/* 主视觉区域 */
.hero {
    padding: 0px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    width: 100%;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 2;
    width: 100%;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    width: 100%;
    max-width: 100%;
    height: 100vh;
    min-height: 500px;
    overflow: hidden;
    z-index: 1;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Banner link fills entire slide */
.slide a {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    z-index: 2;
}

.slide.active {
    opacity: 1;
    z-index: 3;
}

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

/* Slider Controls - Left and Right */
.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 60px;
    z-index: 10;
}

.slider-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid rgba(56, 56, 56, 0.6);
    background-color: rgba(0, 0, 0, 0.3);
    color: rgba(56, 56, 56, 0.6);
    font-size: 50px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.slider-btn:hover {
    border-color: #9DE600;
    color: #9DE600;
    background-color: rgba(0, 0, 0, 0.3);
}

.slider-btn span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    line-height: 1;
    margin-top: 0px;

}

.slider-btn.prev-btn span {
    transform: rotate(90deg);
    margin-left: 15px;
}

.slider-btn.next-btn span {
    transform: rotate(-90deg);
    margin-right: 15px;
}

/* 视频区域 */
.video-section {
    padding: 80px 0;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    background-color: var(--card-bg);
    overflow: hidden;
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
}

.play-btn {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 3px solid var(--primary-green);
    background-color: rgba(157, 230, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.play-btn:hover {
    background-color: var(--primary-green);
    transform: scale(1.1);
}

.play-icon {
    color: var(--primary-green);
    font-size: 75px;
    margin-left: 10px;
}

.play-btn:hover .play-icon {
    color: var(--dark-bg);
}

/* 核心分类 */
.categories {
    padding: 80px 0;
}

.section-title {
    font-size: 48px;
    margin-bottom: 60px;
    font-weight: bold;
    line-height: 52px;
    text-align: center;
    color: var(--primary-green);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1192px;
    margin: 0 auto;
}

.category-card-link {
    display: inline-block;
    text-decoration: none;
    color: inherit;
}

.category-card {
    width: 100%;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    border-radius: 2px;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 6px solid transparent;
    pointer-events: none;
}

.category-card:hover::before {
    border-color: var(--primary-green);
}

.category-image {
    width: 100%;
    height: 540px;
    background-color: #2a2a2a;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.category-info {
    background-color: var(--card-bg);
    transition: none;
    height: 162px;
    display: flex;
    flex-direction: column;

}

.category-card:hover .category-info {
    background-color: var(--primary-green);
}

.category-name {
    font-size: 30px;
    padding: 20px 26px 0;
    margin: 0;
    transition: none;
    color: var(--primary-green);
    display: flex;
    font-weight: 400;
}

.category-card:hover .category-name {
    color: var(--dark-bg);
}

.category-desc {
    font-size: 18px;
    color: #606060;
    padding: 10px 26px 20px;
    margin: 0;


}

.category-card:hover .category-desc {
    color: var(--dark-bg);
}

/* 热门选择 */
.popular {
    padding: 80px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
}

.section-header .section-title {
    font-size: 48px;
    margin-bottom: 5px;
    text-align: left;
    line-height: 70px;
    color: var(--primary-green);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 24px;
    margin: 0;
}

.view-all {
    color: var(--primary-green);
    text-decoration: none;
    font-size: 18px;
    transition: opacity 0.3s;
    align-self: flex-end;
}

.view-all:hover {
    opacity: 0.8;
}

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

.popular-card {

    border-radius: 0;
    overflow: hidden;
    transition: none;
    cursor: pointer;
}

.popular-card:hover {
    transform: none;
}

.popular-image {
    width: 100%;
    height: 580px;

    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
}

.popular-image img {
    width: 100%;
    height: 100%;
    border-radius: 2px;
    object-fit: cover;
}

/* 产品对比 */
.product-compare {
    padding: 80px 0;
}

.compare-grid {
    display: grid;
    grid-template-columns: repeat(4, 384px);
    gap: 20px;
    justify-content: center;
    margin-top: 20px;
}

.compare-item-link {
    display: block;
    text-decoration: none;
}

.compare-item {
    width: 384px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    border-radius: 2px;
}

.compare-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 6px solid transparent;
    pointer-events: none;

}

.compare-item:hover::before {
    border-color: var(--primary-green);
}

.compare-item.featured::before {
    border-color: var(--primary-green);
}

.compare-image {
    width: 100%;
    height: 540px;
    background-color: #0a0c10;
    background-image: url('../images/prolist.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 30px;
    box-sizing: border-box;
}

.compare-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: none;
}

.compare-item:hover .compare-image img {
    transform: scale(1.10);
    transition: transform 0.3s ease;
}

.category-info {
    background-color: var(--card-bg);
    transition: none;
    height: 162px;
    display: flex;
    flex-direction: column;

}

.compare-info {
    background-color: #0e0e0e;
    transition: none;
    height: 162px;
    display: flex;
    flex-direction: column;
}

.compare-item:hover .compare-info {
    background-color: var(--primary-green);
}

.compare-name {
    font-size: 30px;
    padding: 10px 20px 0;
    margin: 0;
    transition: none;
    color: #9DE600;
    display: flex;
    font-weight: 400;
}

.compare-item:hover .compare-name {
    color: #000;
}

.category-desc {
    font-size: 18px;
    color: #606060;
    padding: 10px 26px 20px;
    margin: 0;
    transition: none;

}

.compare-spec {
    font-size: 18px;
    color: #606060;
    padding: 10px 20px 20px;
    margin: 0;
    transition: none;
}

.compare-item:hover .compare-spec {
    color: #000;
}

/* 参数对比表格 */
.specs-compare {
    padding: 80px 0 260px;
}

.specs-compare .section-title {
    text-align: left;
    margin-bottom: 30px;
}

.add-compare-btn {
    background-color: var(--primary-green);
    color: var(--dark-bg);
    border: none;
    padding: 12px 30px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 40px;
    transition: opacity 0.3s;
}

.add-compare-btn:hover {
    opacity: 0.9;
}

/* Product Selection */
.product-selection {
    margin-top: 60px;
    margin-bottom: 60px;
    position: relative;
}

.clear-all-btn {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    padding: 0;
    margin: 0;
}

.clear-all-btn .clear-all-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.clear-all-btn:hover .clear-all-img {
    content: url('../images/x-2.png');
}

.product-selection h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-green);
}

.product-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.product-item {
    width: 200px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 15px;
    text-align: center;
    background-color: var(--card-bg);
    transition: none;
}

.product-item img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 10px;
}

.product-item span {
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-primary);
}

.add-to-compare-btn {
    background-color: var(--primary-green);
    color: var(--dark-bg);
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: none;
}

.add-to-compare-btn:hover {
    background-color: #88cc00;
}

.add-to-compare-btn.added {
    background-color: #666;
    cursor: not-allowed;
}

.empty-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: 400;
    text-align: center;
    color: #383838;
}

.specs-table td img {
    width: 250px;
    height: 250px;
    object-fit: contain;
}

/* Compare Tree */
.compare-tree {
    margin-bottom: 30px;
}

.compare-tree .compare-grid {
    display: grid;
    grid-template-columns: repeat(3, 384px);
    gap: 20px;
    align-items: start;
    justify-content: center;
    margin: 0 auto;
}

.compare-category {
    border: 1px solid var(--border-color);
    overflow: visible;
    background-color: var(--dark-bg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: none;
    position: relative;
}



.compare-category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 26px;
    background-color: rgba(157, 230, 0, 1);
    cursor: pointer;
    transition: none;
    border-radius: 2px;
}

.compare-category-header:hover {
    background-color: rgba(157, 230, 0, 1);
}

.compare-category-name {
    font-weight: 400;
    color: #000;
    font-size: 20px;
}

.compare-toggle {
    font-size: 25px;
    color: #000;
    transition: transform 0.3s ease;
    font-weight: bold;
    padding-top: -10px;
    cursor: pointer;
}



.compare-category.expanded:not(.collapsed) .compare-toggle,
.compare-category:hover:not(.collapsed) .compare-toggle {
    transform: rotate(180deg);
}

.compare-category-content {
    display: block;
    position: absolute;
    top: 100%;
    left: -1px;
    right: -1px;
    max-height: 0;
    overflow: hidden;
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-top: none;
    z-index: 100;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: max-height 0.3s ease;
}

.compare-category.expanded:not(.collapsed) .compare-category-content,
.compare-category:hover:not(.collapsed) .compare-category-content {
    max-height: 400px;
    overflow-y: auto;
}

.compare-subcategory {
    margin-bottom: 0;
    border: none;
    border-radius: 0;
    overflow: hidden;
}

.compare-subcategory-header {
    padding: 5px 26px;
    background-color: #383838;
    border-bottom: 1px solid var(--border-color);
}

.compare-subcategory-name {
    font-size: 18px;
    font-weight: 400;
    color: #fff;
}

.compare-subcategory-products {
    padding: 0;
}

.compare-category-products {
    padding: 0;
}

.compare-product-item {
    display: block;
    padding: 6px 49px;
    transition: none;
    cursor: pointer;
    background-color: #141414;
}

.compare-product-item span {
    color: #a6a6a6;
}

.compare-product-item:hover {
    background-color: rgba(157, 230, 0, 1);

}

.compare-product-item:hover span {
    color: #000;

}

.compare-product-item.active {
    background-color: rgba(157, 230, 0, 1);
}

.compare-product-item.active span {
    color: #000;
}

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

.compare-product-item span {
    display: block;
    font-size: 18px;
    font-weight: 400;
    color: #A6A6A6;
    line-height: 1.4;
}

/* Remove product button */
.remove-product-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    margin-left: 10px;
    transition: none;
}

.remove-product-btn:hover {
    color: #ff4444;
}

.specs-table-wrapper {
    overflow-x: auto;
    background-color: #141414;
    min-height: 200px;
    position: relative;
    border-radius: 2px;
}

.specs-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 2px;
    overflow: hidden;
}

.specs-table th,
.specs-table td {
    padding: 0px 20px;
    text-align: center;
    border-bottom: 1px solid #333;
    height: 40px;
    line-height: 40px;
}

.specs-table th:first-child,
.specs-table td:first-child {
    text-align: left;
    width: 200px;
    min-width: 200px;
}

.specs-table th {
    background-color: #282828;
    color: #FFF;
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.specs-table th:first-child {
    color: #A6A6A6;
    border-top-left-radius: 2px;
}

.specs-table th:last-child {
    border-top-right-radius: 2px;
}

.specs-table tbody tr:first-child td:first-child,
.specs-table tbody tr.image-row td:first-child {
    border-top-left-radius: 2px;
}

.specs-table tbody tr:first-child td:last-child,
.specs-table tbody tr.image-row td:last-child {
    border-top-right-radius: 2px;
}

.specs-table td {
    color: #FFF;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 1.6;
}

.specs-table td:first-child {
    color: #A6A6A6;
}


.specs-table img {
    width: 150px;
    height: 250px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.specs-table .remove-product-btn {
    color: #999;
    font-size: 22px;
    padding: 2px 6px;
    border-radius: 3px;
    transition: color 0.2s ease;
}

.specs-table .remove-product-btn:hover {
    color: #ffffff;
}

.specs-table tbody tr:hover {
    background-color: #0E0E0E;
}

.specs-table tbody tr:hover td {
    font-size: 16px;
    font-weight: 400;
    color: #fff;
}

.specs-table tbody tr.image-row:hover {
    background-color: transparent;
}

.specs-table tbody tr.image-row:hover td {
    color: inherit;
    font-size: inherit;
    font-weight: inherit;
}

.specs-table tbody tr:last-child td {
    border-bottom: none;
}

.specs-table tbody tr:last-child td:first-child {
    border-bottom-left-radius: 2px;
}

.specs-table tbody tr:last-child td:last-child {
    border-bottom-right-radius: 2px;
}

.specs-table tbody tr:first-child:hover td:first-child,
.specs-table tbody tr.image-row:hover td:first-child {
    border-top-left-radius: 2px;
}

.specs-table tbody tr:first-child:hover td:last-child,
.specs-table tbody tr.image-row:hover td:last-child {
    border-top-right-radius: 2px;
}

.specs-table tbody tr:last-child:hover td:first-child {
    border-bottom-left-radius: 2px;
}

.specs-table tbody tr:last-child:hover td:last-child {
    border-bottom-right-radius: 2px;
}

.product-detail-table th,
.product-detail-table td {
    padding: 0;
    text-align: left;
    border: none;
    color: #FFF !important;
    font-size: 20px !important;
    font-weight: 400 !important;
    letter-spacing: 0px;
    line-height: 32px;
}

.product-detail-table th:first-child,
.product-detail-table td:first-child {
    width: 200px;
    min-width: 200px;
    color: #FFF !important;
}

.product-detail-table th {
    background-color: transparent;
    text-transform: none;
    font-weight: 400;
}

.product-detail-table tbody tr:hover {
    background-color: transparent;
}

.product-detail-table tbody tr:hover td {
    font-size: 20px !important;
    font-weight: 400 !important;
    color: #FFF !important;
}

/* 页脚 */
.footer {
    background-color: #000;
    padding: 0px 0;
    color: #fff;
}

.footer-content {
    border-top: 1px solid #333;
    padding-top: 83px;
    display: flex;
    gap: 60px;
    margin-bottom: 60px;
    align-items: flex-start;
}

.footer-content .footer-logo {
    display: none;
}

.footer-links {
    flex: 1;
}

.footer-contact {
    flex: 2;
}

.footer-subscribe {
    flex: 2;
    margin-left: auto;
}

.footer h4 {
    color: var(--primary-green);
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: normal;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

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

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

.footer-contact li {
    margin-bottom: 10px;
    color: #fff;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact li i {
    color: var(--primary-green);
    font-size: 16px;
}

.subscribe-form {
    display: flex;
    width: 100%;
    height: 50px;
}

.subscribe-input {
    flex: 1;
    height: 100%;
    padding: 0 15px;
    border: 1px solid var(--primary-green);
    background-color: #000;
    color: #fff;
    font-size: 14px;
    outline: none;
}

.subscribe-input::placeholder {
    color: #999;
}

.subscribe-btn {
    background-color: var(--primary-green);
    border: none;
    height: 100%;
    padding: 0 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 16px;
    font-weight: 500;
}

.subscribe-btn span {
    display: none;
}

.subscribe-btn i {
    font-size: 18px;
    display: block;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 0;
    border-top: 1px solid #333;
}

.footer-bottom-left {
    display: flex;
    align-items: center;
}

.footer-logo-img {
    width: 100px;
    height: 30px;
    display: block;
}

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

.footer-copyright {
    color: #999;
    font-size: 14px;
}

/* 产品页面 */
.product-section {
    padding: 173px 0 0px;
    background-color: var(--dark-bg);
}

.product-content {
    display: flex;
    gap: 80px;
    padding-bottom: 50px;
}

.product-sidebar {
    flex: 1;
    max-width: 250px;
}

.product-sidebar h3 {
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 23.17px;
    color: #A6A6A6;
    text-align: left;
    vertical-align: top;
    margin-bottom: 36px;
}

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

.category-item {
    margin-bottom: 10px;
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    cursor: pointer;
    transition: all 0.3s;
}

.category-header:hover {
    opacity: 0.8;
}

.category-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
    flex: 1;
}

.category-link:hover {
    color: var(--primary-green);
}

.category-toggle {
    color: var(--text-primary);
    font-size: 26px;
    cursor: pointer;
    transition: color 0.3s, transform 0.3s ease;
}

.category-toggle:hover {
    color: var(--primary-green);
}

.category-item.expanded .category-toggle {
    transform: rotate(180deg);
}

.subcategory-list {
    list-style: none;
    padding: 8px 0 0 20px;
    margin: 0;
    display: block;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

/* 禁用初始加载时的动画 */
.subcategory-list.no-transition {
    transition: none !important;
}

.category-item.expanded .subcategory-list {
    max-height: 500px;
}

.subcategory-item {
    margin-bottom: 8px;
}

.subcategory-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
    position: relative;
    padding-left: 20px;
}

.subcategory-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    border: 1px solid var(--text-secondary);
    transition: all 0.3s;
}

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

.subcategory-item.active .subcategory-link {
    color: var(--text-primary);
}

.product-main {
    flex: 3;
}

.product-header {
    margin-bottom: 40px;
}

.product-header h2 {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 69.5px;
    color: #2D2D2D;
    text-align: left;
    vertical-align: top;
}

.product-header p {
    margin-top: 66px;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 23.17px;
    color: #606060;
    text-align: left;
    vertical-align: top;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.product-card {
    overflow: hidden;
    cursor: pointer;
    position: relative;
    border-radius: 2px;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 6px solid transparent;
    pointer-events: none;
}

.product-card:hover::before {
    border-color: var(--primary-green);
}

.product-card.active::before {
    border-color: var(--primary-green);
}

.product-card:hover .product-info {
    background-color: var(--primary-green);
}

.product-card:hover .product-info h3,
.product-card:hover .product-info p {
    color: var(--dark-bg);
}

.product-image {
    width: 100%;
    height: 540px;
    background-color: #0a0c10;
    background-image: url('../images/prolist.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 30px;
    box-sizing: border-box;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: none;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.product-info {
    padding: 26px;
    background-color: #0e0e0e;
    transition: none;
}

.product-info h3 a {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 36px;
    color: #9DE600;
    transition: none;
    text-decoration: none;
}

.product-card:hover .product-info h3 a {
    color: #000;
}

.product-card:hover .product-info h3 a:hover {
    color: #000;
}

.product-info p {
    transition: none;
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 26px;
    color: #FFFFFF;
    margin-top: 8px;
}



.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    background-color: var(--dark-bg);
    padding: 10px 0;
}

.pagination-btn {
    width: 40px;
    height: 40px;
    border: 1px solid #282828;
    background-color: #141414;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    text-decoration: none;
    border-radius: 50%;
}

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

.pagination-info {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
}

.pagination-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
}

.pagination-number.active {
    color: var(--primary-green);
    font-weight: 500;
}



.product-images-gallery {
    display: flex;
    flex-direction: column;
    gap: 20px;

    max-width: 100%;
}

.gallery-image {
    max-width: 1596px;
    width: 100%;
    background-color: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.gallery-image img {
    max-width: 1596px;
    width: auto;
    height: auto;
}

.product-detail {
    padding: 60px 0 180px;
    background-color: var(--dark-bg);
}

.product-banner {
    width: 100%;
    background-color: #000;
    margin-top: 80px;
    padding: 20px 0;
    background: #141414;
    border-bottom: 1px solid var(--border-color);

}

.product-model {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 32px;
    color: #A6A6A6;
    text-align: left;
    margin: 0;
}

.specification-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.specification-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.specification-container {
    display: flex;
    gap: 40px;
    align-items: stretch;
}

.specification-container .specs-table-wrapper {
    flex: 7;
    background-color: transparent;
}

.specification-table {
    flex: 1;
}

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

.specification-table tr {
    transition: background-color 0.3s;
}

.specification-table tr:nth-child(even) {
    background-color: #1a1a1a;
}

.specification-table tr:nth-child(odd) {
    background-color: #2a2a2a;
}

.specification-table .table-header {
    background-color: var(--primary-green) !important;
}

.specification-table .table-header td {
    color: var(--dark-bg) !important;
    font-weight: bold;
}

.specification-table td {
    padding: 8px 20px;
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 28.96px;
    color: #FFFFFF;
    border: none;
}

.specification-table td:first-child {
    color: #A6A6A6;
}

.detail-product-image {
    flex: 3;
    max-height: 480px;

    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.detail-product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    background-image: url('../images/prolist.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

}

.about-section {
    padding: 80px 0;
    background-color: var(--dark-bg);
}

.about-header {
    text-align: center;
    padding: 129px 0 107px;
    background-image: url('../images/title.png');
    background-size: 139px;
    background-repeat: no-repeat;
    background-position: 30% 240px;
}

.main-title {
    font-size: 100px;
    font-weight: 400;
    letter-spacing: -1px;
    line-height: 144.8px;
    margin-bottom: 10px;
    color: #fff;
}

.sub-title {
    font-size: 100px;
    font-weight: 400;
    letter-spacing: -1px;
    line-height: 144.8px;
    margin: 0;
    color: #fff;
}

.sub-title span {
    font-size: 100px;
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 144.8px;
    color: #9DE600;
}

.factory-section {
    display: inline-block;
    margin-bottom: 60px;
    position: relative;
}

.factory-image {
    border: 10px solid var(--primary-green);
}

.factory-image img {
    width: 100%;
    display: block;
}

.about-us-badge {
    background: linear-gradient(180deg, #000 0%, #7BC400 100%);
    text-align: center;
    padding: 57px 0;
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 52.13px;
    color: #000000;
    width: 50%;
    float: left;
}

.stats-container {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    gap: 40px;
}

.stats-left {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stats-right {
    flex: 1;
    margin-top: 200px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-item {
    width: 100%;
    text-align: left;
    margin-bottom: 40px;
}

.stats-left .sqm {
    margin-top: -80px;
}

.since-section {
    position: absolute;
    right: 100px;
    top: 900px;
    text-align: right;
}

.since-text {
    font-size: 128px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 185.34px;
    color: #fff;
    margin: 0;
    position: relative;
    z-index: 1;
}

.year-text {
    font-size: 142px;
    font-weight: 400;
    letter-spacing: -4px;
    line-height: 205.62px;
    color: #9DE600;
    position: relative;
    z-index: 2;
    margin-top: -120px;
    margin-right: 150px;
}


.stat-desc {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 26.06px;
    color: #fff;

}

.stat-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 50px;
    color: #9DE600;
    margin-bottom: 10px;
}

.stat-title span {
    font-size: 60px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 50px;
    color: #9DE600;
}




.certification-section {
    text-align: center;
    padding: 100px 0;

}

.certification-title {
    font-size: 56px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 70px;
    color: rgba(157, 230, 0, 1);
    text-align: center;
}

.certification-subtitle {
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 28.96px;
    color: rgba(166, 166, 166, 1);
    text-align: center;
}

.certification-stack {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-top: 115px;
    padding-bottom: 60px;
    width: 100%;
}

.certification-item-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
}

.certification-item-wrapper:hover {
    z-index: 100;
}

.certification-item-wrapper:not(:first-child) {
    margin-left: -70px;
}

.certification-stack-item {
    display: flex;
    height: 300px;
    width: 220px;
    background-color: #17141d;
    border-radius: 2px;
    box-shadow: -1rem 0 3rem #000;
    transition: 0.4s ease-out;
    position: relative;
    left: 0px;
    overflow: hidden;
}

.certification-item-wrapper:nth-child(1) .certification-stack-item { z-index: 1; }
.certification-item-wrapper:nth-child(2) .certification-stack-item { z-index: 2; }
.certification-item-wrapper:nth-child(3) .certification-stack-item { z-index: 3; }
.certification-item-wrapper:nth-child(4) .certification-stack-item { z-index: 4; }
.certification-item-wrapper:nth-child(5) .certification-stack-item { z-index: 5; }
.certification-item-wrapper:nth-child(6) .certification-stack-item { z-index: 6; }
.certification-item-wrapper:nth-child(7) .certification-stack-item { z-index: 7; }
.certification-item-wrapper:nth-child(8) .certification-stack-item { z-index: 8; }
.certification-item-wrapper:nth-child(9) .certification-stack-item { z-index: 9; }

.certification-item-wrapper:hover .certification-stack-item {
    transform: translateY(-35px) scale(1.35);
    transition: 0.4s ease-out;
    cursor: pointer;
    z-index: 20;
}

.certification-item-wrapper:hover ~ .certification-item-wrapper {
    position: relative;
}

.certification-item-wrapper:hover ~ .certification-item-wrapper .certification-stack-item {
    left: 70px;
    transition: 0.4s ease-out;
}

.certification-title-text {
    color: #666;
    font-weight: 300;
    font-size: 14px;
    text-align: center;
    margin-top: 50px;
    padding: 4px 12px;
    border-radius: 4px;
    white-space: normal;
    word-wrap: break-word;
    word-break: break-word;
    max-width: 130px;
    background-color: transparent;
    position: relative;
    line-height: 1.4;
    z-index: 10;
    transition: color 0.4s ease;
}

.certification-item-wrapper:hover .certification-title-text {
    color: white;
    transform: scale(1.2);
    transition: transform 0.4s ease;
}

.certification-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;
    filter: grayscale(100%);
    transition: filter 0.4s ease, opacity 0.4s ease;
}

.certification-item-wrapper:hover .certification-img {
    filter: grayscale(0%);
    opacity: 1;
}

/* Certificate Modal */
.cert-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.cert-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    cursor: pointer;
}

.cert-modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    z-index: 1001;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.cert-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.cert-modal-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.cert-modal-img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.cert-modal-title {
    text-align: center;
    color: white;
    margin-top: 15px;
    font-size: 16px;
    font-weight: 400;
}

.news-list-section {
    padding: 200px 0;
    background-color: #000;
}

.news-item {
    margin-bottom: 240px;

    overflow: hidden;
    background-color: #000;
}

.news-image {
    width: 100%;
    height: auto;
    border: 10px solid var(--primary-green);
}

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

.news-info {
    background-color: #000;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 40px;
}

.news-date {
    width: 399px;
    height: 150px;
    background-color: var(--primary-green);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    padding: 0 30px;
    font-weight: 700;
    margin-top: -20px;
}

.news-year {
    font-size: 72px;
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 104.26px;
    color: #000000;
    margin-top: -10px;

}

.news-month {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 32px;
    color: #000000;
    text-transform: uppercase;
}

.news-day {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 32px;
    color: #000000;
}

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

.news-title {
    flex: 1;
    margin: 0;
    width: 395px;
    color: #fff;
    font-size: 40px;
    font-weight: 500;
    letter-spacing: 0px;
    line-height: 48px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.news-title a {
    width: 395px;
    color: #fff;
    text-decoration: none;
    font-size: 40px;
    font-weight: 500;
    letter-spacing: 0px;
    line-height: 48px;
    display: block;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
}

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

.news-location {
    display: flex;
    align-items: flex-start;
    gap: 40px;
}

.location-info {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.location-info i {
    color: #fff;
    font-size: 23px;
    flex-shrink: 0;
    margin-top: 5px;
}

.location-info span {
    color: rgba(255, 255, 255, 1);
    font-size: 20px;
    font-weight: 500;
    letter-spacing: 0px;
    line-height: 30px;
    text-align: left;
    width: 215px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
}

.booth-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 35px;
    color: #9DE600;
    margin-right: 20px;
}

.booth-info span {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 35px;
}


/* 新闻列表响应式设计 */
@media (max-width: 1200px) {
    .news-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .news-date {
        flex-direction: row;
        align-items: center;
        min-width: auto;
    }

    .news-year {
        margin-right: 20px;
        margin-bottom: 0;
    }

    .news-month {
        margin-right: 10px;
        margin-bottom: 0;
    }

    .news-location {
        align-items: flex-start;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .news-title {
        font-size: 24px;
    }

    .news-year {
        font-size: 24px;
    }

    .news-month,
    .news-day {
        font-size: 16px;
    }
}

/* 响应式设计 */
@media (max-width: 576px) {
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .main-title {
        font-size: 36px;
    }

    .sub-title {
        font-size: 28px;
    }

    .about-info {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .certification-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 576px) {
    .stats-container {
        flex-direction: column;
    }

    .stats-left,
    .stats-right {
        display: block;
    }

    .stats-right {
        margin-top: 40px;
    }

    .since-section {
        position: relative;
        right: auto;
        top: auto;
        text-align: center;
        margin: 40px 0;
    }

    .since-text,
    .year-text {
        font-size: 64px;
        line-height: 90px;
    }

    .year-text {
        margin-top: -30px;
        margin-right: 10px;
    }

    .stat-item {
        width: 100%;
        max-width: 100%;
        margin-bottom: 40px;
        padding-bottom: 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .stat-title {
        font-size: 24px;
        text-align: center;
        margin-bottom: 15px;
    }

    .stat-title span {
        color: var(--primary-green);
    }

    .stat-desc {
        text-align: center;
        font-size: 14px;
        line-height: 1.6;
    }

    .stats-left .sqm {
        margin-top: 0;
    }

    .stats-right {
        margin-top: 0;
    }



    .main-title {
        font-size: 28px;
    }

    .sub-title {
        font-size: 20px;
    }
}

/* 联系我们页面样式 */
.contact-section {
    padding: 80px 0 0;
    background-color: #000;
    position: relative;
    overflow: hidden;
}

.about-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.about-header .main-title {
    font-size: 100px;
    font-weight: 400;
    letter-spacing: -1px;
    line-height: 144.8px;
    color: #FFFFFF;
}

.about-header .sub-title {
    font-size: 100px;
    font-weight: 400;
    letter-spacing: -1px;
    line-height: 144.8px;
    color: #FFFFFF;
}

.about-header .sub-title span {
    font-size: 100px;
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 144.8px;
    color: #9DE600;

}

.contact-content {
    display: flex;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.contact-form {
    flex: 1;
    background-color: #000;
    padding: 60px 0 0;
}

.form-row {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
}

.form-group {
    flex: 1;
    position: relative;
}

.form-group.full-width {
    width: 100%;
}

.form-group label {
    display: block;
    color: #fff;
    font-size: 16px;
    margin-bottom: 10px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0;
    background-color: transparent;
    border: none;
    border-bottom: 1px solid #fff;
    color: #fff;
    font-size: 16px;
    font-family: 'SourceHanSansSC', 'Microsoft YaHei', 'PingFang SC', 'Noto Sans SC', sans-serif;
    transition: all 0.3s;
    min-height: 65px;
}

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

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

.submit-btn {
    background-color: var(--primary-green);
    border: none;
    width: 300px;
    height: 64px;
    font-size: 24px;
    font-weight: 500;
    letter-spacing: 0px;
    line-height: 34.75px;
    color: #000000;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 61px;
    display: inline-block;
}

.submit-btn:hover {
    background-color: #88cc00;
}

.contact-info {
    width: 519px;
    background-color: var(--primary-green);
    color: #000;
    padding: 60px 65px;
}

.contact-info h3 {
    font-size: 40px;
    font-weight: 400;
    letter-spacing: -1px;
    line-height: 57.92px;
    color: #000000;
}

.info-item {
    margin-bottom: 25px;
}

.info-item h4 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 52.13px;
    color: #000000;
    margin-top: 57px;
}

.info-item p {
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 28.96px;
    color: #000000;
    margin-top: 5px;
}

.world-map {
    width: 100%;
    height: 569px;
}

.world-map img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.world-map-section {
    width: 100%;
    background-color: var(--dark-bg);
    padding: 0;
}

.world-map-wrapper {
    width: 1920px;
    max-width: 100%;
    margin: 0 auto;
    height: auto;
}

.world-map-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .contact-content {
        flex-direction: column;
    }

    .contact-info {
        width: 100%;
    }

    .form-row {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .contact-header .main-title {
        font-size: 40px;
    }

    .contact-header .sub-title {
        font-size: 32px;
    }

    .contact-form,
    .contact-info {
        padding: 30px;
    }
}

/* 动画 */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

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

/* 响应式设计 - 平板 */
@media (max-width: 1200px) {
    .container {
        padding: 0 40px;
    }

    .hero-slider {
        height: 100vh;
        min-height: 400px;
    }

    .slider-controls {
        padding: 0 20px;
    }

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

    .product-content {
        flex-direction: column;
        gap: 40px;
    }

    .product-sidebar {
        max-width: 100%;
    }

    .category-list {
        display: flex;
        flex-wrap: wrap;
        gap: 30px;
    }

    .category-item {
        flex: 1;
        min-width: 200px;
    }

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

/* 响应式设计 - 手机 */
@media (max-width: 1000px) {
    .container {
        padding: 0 15px;
        box-sizing: border-box;
    }

    .header {
        height: 60px;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        box-sizing: border-box;
    }

    .header .container {
        padding: 0 15px;
        height: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-sizing: border-box;
        width: 100%;
        max-width: 100%;
    }

    .nav {
        display: none !important;
    }

    .contact-link {
        display: none !important;
    }

    .logo {
        flex: 0 0 auto;
        max-width: 60%;
    }

    .logo-img {
        width: 80px;
        height: 24px;
        max-width: 100%;
    }

    .header-right {
        flex: 0 0 auto;
        display: flex;
        align-items: center;
        gap: 0;
    }

    .menu-btn {
        display: flex !important;
        background-color: var(--primary-green);
        color: var(--dark-bg);
        border: none;
        border-radius: 4px;
        font-size: 24px;
        font-weight: bold;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        flex: 0 0 auto;
        margin: 0;
        padding: 0;
        position: relative;
        z-index: 1010;
        visibility: visible;
        opacity: 1;
    }

    .menu-btn:hover {
        background-color: var(--primary-green);
        color: var(--dark-bg);
        opacity: 0.9;
    }

    /* 确保头部不溢出 */
    .header {
        overflow: visible;
    }

    .header .container {
        overflow: visible;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-slider {
        height: 50vh;
        min-height: 300px;
    }



    .slider-controls {
        padding: 0 15px;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }

    .section-title {
        font-size: 32px;
        margin-bottom: 40px;
    }

    .category-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Popular Choice 移动端优化 */
    .popular {
        padding: 40px 0;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        margin-bottom: 25px;
    }

    .section-header .section-title {
        font-size: 24px;
    }

    .section-header .section-subtitle {
        font-size: 14px;
    }

    .view-all {
        font-size: 14px;
        padding: 8px 16px;
        background-color: var(--primary-green);
        color: var(--dark-bg);
        border-radius: 4px;
        text-decoration: none;
        font-weight: 500;
    }

    .view-all:hover {
        opacity: 0.9;
    }

    .popular-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .popular-card {
        border-radius: 4px;
    }

    .popular-image {
        height: 280px !important;
    }

    .popular-image img {
        border-radius: 4px;
    }

    /* 首页产品对比网格 - 移动端 */
    .compare-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-top: 25px;
    }

    .compare-item {
        width: 100%;
    }

    .compare-image {
        height: 200px;
        padding: 20px;
    }

    .compare-info {
        padding: 12px 15px;
    }

    .compare-name {
        font-size: 13px;
        line-height: 1.4;
        margin-bottom: 5px;
    }

    .compare-spec {
        font-size: 11px;
    }

    .compare-item::before {
        border-width: 3px;
    }

    .compare-tree .compare-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .compare-item.featured {
        transform: scale(1);
    }

    .specs-table th,
    .specs-table td {
        padding: 15px 10px;
        font-size: 12px;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
        align-items: center;
    }

    .footer-content .footer-logo {
        display: block;
        order: 1;
        margin-bottom: 20px;
    }

    .footer-links {
        order: 2;
    }

    .footer-links h4 {
        display: none;
    }

    .footer-links ul {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
    }

    .footer-links li {
        margin-bottom: 0;
    }

    .footer-contact {
        order: 3;
    }

    .footer-contact h4 {
        display: none;
    }

    .footer-contact ul {
        align-items: center;
    }

    .footer-subscribe {
        order: 4;
        margin-left: 0;
        width: 100%;
        max-width: 400px;
    }

    .footer-subscribe h4 {
        display: none;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        align-items: center;
        padding-top: 20px;
    }

    .footer-logo .logo-img {
        width: 180px;
        height: 54px;
    }

    .subscribe-form {
        flex-direction: row;
        height: 50px;
    }

    .subscribe-btn {
        padding: 0 30px;
        font-size: 16px;
        font-weight: 500;
    }

    .subscribe-btn span {
        display: block;
    }

    .subscribe-btn i {
        display: none;
    }

    /* 产品页面响应式 */
    .product-section {
        padding: 100px 0 60px;
    }

    .category-list {
        flex-direction: column;
        gap: 15px;
    }

    .category-item {
        min-width: 100%;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-header h2 {
        font-size: 28px;
    }

    .product-image {
        height: 250px;
    }

    .specification-container {
        flex-direction: column;
        gap: 40px;
    }

    .detail-product-image {
        width: 250px;
        height: 350px;
        margin-left: 0;
    }

    .detail-product-image img {
        padding: 24px 48px;
    }

    .specification-title {
        font-size: 28px;
    }

    .product-model {
        font-size: 20px;
    }

    .specification-table td {
        font-size: 12px;
        font-weight: 400;
        letter-spacing: 0px;
        line-height: 17.38px;
    }
}

@media (max-width: 550px) {
    .header .container {
        padding: 0 26px;
    }

    .logo-img {
        width: 70px;
        height: 21px;
    }

    .menu-btn {
        width: 36px;
        height: 36px;
        font-size: 20px;
    }

    .hero {
        padding: 59px 0 0px;
    }

    .hero-slider {
        height: 45vh;
        min-height: 250px;
    }

    .slider-controls {
        padding: 0 10px;
    }

    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .hero-slider {
        height: 40vh;
        min-height: 200px;
    }

    .slider-controls {
        padding: 0 10px;
    }

    .slider-btn {
        width: 30px;
        height: 30px;
        font-size: 18px;
    }

    .section-title {
        font-size: 24px;
    }

    .play-btn {
        width: 60px;
        height: 60px;
    }

    .play-icon {
        font-size: 18px;
    }
}

/* ========================================
   移动端自适应优化 - 480px以下
   ======================================== */
@media (max-width: 480px) {
    /* 首页标题 */
    .about-header {
        margin-bottom: 40px;
    }

    .about-header .main-title,
    .about-header .sub-title {
        font-size: 48px !important;
        line-height: 60px !important;
    }

    .about-header .sub-title span {
        font-size: 48px !important;
        line-height: 60px !important;
    }

    /* 统计数据 */
    .stats-container {
        padding: 0 10px;
    }

    .stat-item {
        padding: 20px 15px;
    }

    .stat-title {
        font-size: 20px;
    }

    .stat-desc {
        font-size: 12px;
        line-height: 1.5;
    }

    /* Popular Choice - 小屏手机优化 */
    .popular {
        padding: 30px 0;
    }

    .section-header {
        gap: 12px;
        margin-bottom: 20px;
    }

    .section-header .section-title {
        font-size: 22px;
    }

    .section-header .section-subtitle {
        font-size: 13px;
    }

    .view-all {
        font-size: 13px;
        padding: 6px 14px;
    }

    .popular-grid {
        gap: 12px;
    }

    .popular-image {
        height: 240px !important;
    }

    .compare-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-top: 20px;
    }

    .compare-image {
        height: 170px;
        padding: 15px;
    }

    .compare-info {
        padding: 10px 12px;
    }

    .compare-name {
        font-size: 12px;
        margin-bottom: 4px;
    }

    .compare-spec {
        font-size: 10px;
    }

    /* 证书展示区 - 手机端横向滚动 */
    .certification-section {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior-x: contain;
        overscroll-behavior-y: none;
        position: relative;
        width: 100%;
        max-width: 100vw;
        touch-action: pan-y;
        max-height: 350px;
        margin: 0 auto;
    }

    .certification-section::-webkit-scrollbar {
        display: none;
    }

    .certification-stack-wrapper {
        position: relative;
        width: 100%;
        overflow: hidden;
        max-width: 420px;
        margin: 0 auto;
        border-radius: 4px;
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    }

    .certification-stack {
        display: flex;
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding: 0;
        min-width: max-content;
        width: fit-content;
        position: relative;
        margin: 0;
    }

    .certification-item-wrapper {
        flex-shrink: 0;
        flex-grow: 0;
        margin-left: 0 !important;
        margin-right: 0;
        touch-action: pan-x;
        pointer-events: auto;
        cursor: grab;
    }

    .certification-item-wrapper:active {
        cursor: grabbing;
    }

    .certification-stack-item {
        width: 150px;
        height: 200px;
        margin-right: 8px;
    }

    /* 产品对比 - 手机端 */
    .product-selection {
        padding: 10px;
    }

    .compare-tree {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .compare-grid {
        min-width: max-content;
    }

    .compare-category {
        min-width: 280px;
    }

    .compare-category-name {
        font-size: 14px;
        padding: 8px 12px;
    }

    .compare-subcategory-name {
        font-size: 12px;
        padding: 6px 10px;
    }

    /* 规格对比表格 */
    .specs-table {
        font-size: 11px;
        min-width: 800px;
    }

    /* 表格横向滚动提示 */
    .compare-tree::after {
        content: '← 左右滑动查看更多 →';
        display: block;
        text-align: center;
        padding: 10px;
        color: var(--text-secondary);
        font-size: 12px;
        white-space: nowrap;
    }

    .specs-table th,
    .specs-table td {
        padding: 10px 8px;
    }

    .specs-table th:first-child {
        min-width: 100px;
    }

    /* 产品网格 - 手机端 */
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .product-item {
        padding: 10px;
        width: 100%;
    }

    .product-image {
        height: 150px;
    }

    .product-title {
        font-size: 12px;
    }

    /* 产品详情页 */
    .product-content {
        flex-direction: column;
    }

    .product-sidebar {
        max-width: 100%;
        padding: 15px;
    }

    .category-list {
        padding: 10px;
    }

    .category-header {
        padding: 10px;
    }

    .category-link {
        font-size: 14px;
    }

    .subcategory-link {
        font-size: 12px;
        padding: 8px 10px;
    }

    /* 规格表格 */
    .specification-table {
        width: 100%;
    }

    .specification-table th,
    .specification-table td {
        padding: 8px 6px;
        font-size: 11px;
    }

    .specification-container {
        padding: 15px;
    }

    /* 产品详情图片 */
    .detail-product-image {
        width: 100% !important;
        height: auto !important;
        max-height: 400px;
        margin: 0 auto 20px;
    }

    /* 联系页面 */
    .contact-section {
        padding: 80px 15px 0;
    }

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

    .contact-form,
    .contact-info {
        padding: 20px 15px;
    }

    .form-group {
        margin-bottom: 15px;
    }

    .form-input,
    .form-textarea {
        padding: 10px 12px;
        font-size: 14px;
    }

    .submit-btn {
        width: 100%;
        padding: 12px;
    }

    /* 关于页面 */
    .about-section {
        padding: 80px 15px 40px;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .factory-image {
        margin: 20px 0;
    }

    /* 新闻列表 */
    .news-section {
        padding: 80px 15px 40px;
    }

    .news-list {
        gap: 20px;
    }

    .news-item {
        flex-direction: column;
    }

    .news-date {
        flex-direction: row;
        margin-bottom: 15px;
    }

    /* 按钮 */
    .primary-btn,
    .secondary-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

/* ========================================
   平板端自适应优化 - 768px-1000px
   ======================================== */
@media (max-width: 1000px) and (min-width: 769px) {
    /* 证书展示区 */
    .certification-stack {
        flex-wrap: wrap;
        justify-content: center;
    }

    .certification-item-wrapper {
        margin: 0 10px 20px;
    }

    /* 产品对比 */
    .compare-tree {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .compare-grid {
        min-width: max-content;
    }

    /* 规格表格 */
    .specs-table {
        min-width: 900px;
    }
}

/* ========================================
   移动端优化 - 证书堆叠效果禁用
   ======================================== */
@media (max-width: 768px) {
    .certification-item-wrapper:not(:first-child) {
        margin-left: 0;
    }

    .certification-item-wrapper:hover .certification-stack-item {
        transform: scale(1.05);
    }

    .certification-img {
        filter: grayscale(0%) !important;
    }
}

/* ========================================
   移动端分类导航优化
   ======================================== */
@media (max-width: 1000px) {
    .mobile-category-trigger {
        display: block;
    }

    .mobile-cat-btn {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 15px;
        background-color: var(--primary-green);
        color: var(--dark-bg);
        border: none;
        border-radius: 4px;
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
    }

    .mobile-cat-btn:hover {
        opacity: 0.9;
    }

    .mobile-category-modal {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 9999;
    }

    .mobile-category-modal.active {
        display: flex;
    }

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

    .mobile-cat-content {
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 80%;
        max-width: 320px;
        background-color: var(--dark-bg);
        overflow-y: auto;
        animation: slideIn 0.3s ease;
    }

    @keyframes slideIn {
        from {
            transform: translateX(-100%);
        }
        to {
            transform: translateX(0);
        }
    }

    .mobile-cat-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .mobile-cat-header h3 {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0;
    }

    .mobile-cat-close {
        width: 32px;
        height: 32px;
        border: none;
        background: none;
        color: var(--text-primary);
        font-size: 28px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-cat-body {
        padding: 15px 0;
    }

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

    .mobile-cat-item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .mobile-cat-header-link {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 12px 20px;
        color: var(--text-primary);
        text-decoration: none;
        font-size: 15px;
        font-weight: 500;
    }

    .mobile-cat-header-link:hover {
        background-color: rgba(157, 230, 0, 0.1);
        color: var(--primary-green);
    }

    .mobile-cat-toggle {
        font-size: 18px;
        transition: transform 0.3s;
    }

    .mobile-cat-item.expanded .mobile-cat-toggle {
        transform: rotate(180deg);
    }

    .mobile-cat-sublist {
        display: none;
        padding: 0 0 10px 0;
        margin: 0;
        list-style: none;
    }

    .mobile-cat-item.expanded .mobile-cat-sublist {
        display: block;
    }

    .mobile-cat-subitem a {
        display: block;
        padding: 10px 20px 10px 40px;
        color: var(--text-secondary);
        text-decoration: none;
        font-size: 14px;
    }

    .mobile-cat-subitem a:hover {
        background-color: rgba(157, 230, 0, 0.1);
        color: var(--primary-green);
    }
}

@media (max-width: 480px) {
    .mobile-cat-btn {
        padding: 8px 12px;
        font-size: 13px;
    }

    .mobile-cat-btn svg {
        width: 18px;
        height: 18px;
    }

    .mobile-cat-content {
        width: 85%;
    }

    .mobile-cat-header {
        padding: 12px 15px;
    }

    .mobile-cat-header h3 {
        font-size: 16px;
    }

    .mobile-cat-header-link {
        padding: 10px 15px;
        font-size: 14px;
    }

    .mobile-cat-subitem a {
        padding: 8px 15px 8px 30px;
        font-size: 13px;
    }
}