/* 原有样式不变，新增以下样式 */
/* 产品分类筛选栏 */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 32px;
    padding: 16px;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--primary-silver);
    border-radius: 20px;
    background: #fff;
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 14px;
}

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

/* 分类组容器 */
.categories-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.category-group {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: var(--transition-base);
}

.category-group:hover {
    box-shadow: var(--card-shadow-hover);
}

/* 分类头部（可点击展开） */
.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    cursor: pointer;
}

.category-icon-box {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(14, 165, 233, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.category-icon-box i {
    font-size: 32px;
    color: var(--primary-blue);
}

.category-info {
    flex: 1;
}

.category-info h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.category-info p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 4px;
}

.category-subinfo {
    font-size: 12px !important;
    color: var(--primary-blue) !important;
}

.category-toggle {
    background: none;
    border: none;
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.category-toggle i {
    font-size: 18px;
    transition: var(--transition-base);
}

/* 展开状态样式 */
.category-group.expanded .category-toggle i {
    transform: rotate(180deg);
    color: var(--primary-blue);
}

/* 具体产品列表（默认隐藏） */
.product-list {
    display: none;
    padding: 0 24px 24px;
    border-top: 1px solid var(--primary-silver);
    gap: 20px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

/* 展开后显示产品列表 */
.category-group.expanded .product-list {
    display: flex;
}

/* 具体产品项 */
.product-item {
    width: calc(33.333% - 14px);
    background: var(--primary-silver);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-base);
}

.product-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow);
}

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

.product-info {
    padding: 16px;
}

.product-info h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.product-spec {
    font-size: 12px;
    color: var(--primary-blue);
    margin-bottom: 8px;
    font-weight: 500;
}

.product-desc {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 12px;
    line-height: 1.4;
}

.product-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 14px;
    font-weight: 700;
    color: var(--secondary-red);
}

.product-btn {
    padding: 6px 12px;
    font-size: 12px;
}

/* 媒体查询适配 */
@media (max-width: 768px) {
    .product-item {
        width: calc(50% - 10px);
    }
}

@media (max-width: 375px) {
    .product-item {
        width: 100%;
    }

    .category-header {
        padding: 16px;
        gap: 12px;
    }

    .category-icon-box {
        width: 48px;
        height: 48px;
    }

    .category-icon-box i {
        font-size: 24px;
    }

    .category-info h3 {
        font-size: 18px;
    }
}

/* 原有样式保留（此处省略重复样式，与之前一致） */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Montserrat", "思源黑体", "Roboto", "思源宋体", sans-serif;
}

:root {
    --primary-dark: #1E293B;
    --primary-blue: #0EA5E9;
    --primary-silver: #F1F5F6;
    --secondary-green: #10B981;
    --secondary-red: #EF4444;
    --text-gray: #64748B;
    --card-shadow: 0 4px 12px rgba(0,0,0,0.1);
    --card-shadow-hover: 0 10px 20px rgba(0,0,0,0.15);
    --transition-base: all 0.3s ease;
    --border-radius: 8px;
}

body {
    background-color: #fff;
    color: var(--primary-dark);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
    max-width: 1200px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-blue);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-base);
    font-weight: 600;
}

.btn:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, #0EA5E9, #0284C7);
    box-shadow: 0 6px 16px rgba(14, 165, 233, 0.4);
}

/* 以下省略原有重复样式（导航栏、Banner、产品详情等样式，与之前一致） */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    padding: 16px 0;
    transition: var(--transition-base);
    background: #000000;
}

.header.scrolled {
    background: rgba(30, 41, 59, 0.95);
    padding: 12px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    transition: var(--transition-base);
    animation: logoFadeIn 0.8s ease forwards;
}

@keyframes logoFadeIn {
    0% {
        opacity: 0;
        transform: rotate(-15deg) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

.logo span {
    color: var(--primary-blue);
    margin-left: 4px;
}

.nav-menu {
    display: flex;
    gap: 72px;
}

.nav-item a {
    color: #fff;
    font-weight: 500;
    position: relative;
    transition: var(--transition-base);
}

.nav-item a::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-silver));
    transition: var(--transition-base);
}

.nav-item a:hover::after {
    width: 100%;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-box {
    position: relative;
    width: 200px;
    transition: var(--transition-base);
}

.search-box input {
    width: 100%;
    padding: 8px 16px 8px 36px;
    border: none;
    border-radius: 20px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    outline: none;
    transition: var(--transition-base);
}

.search-box input:focus {
    background: rgba(255,255,255,0.2);
    width: 220px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-silver);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 1px;
    transition: var(--transition-base);
}

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

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("https://picsum.photos/id/1071/1920/1080") no-repeat center center;
    background-size: cover;
    transform: translateZ(-10px) scale(2);
    z-index: -1;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 41, 59, 0.7);
    z-index: 0;
}

.banner-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    width: 100%;
}

.banner-product {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.product-model {
    width: 300px;
    height: 300px;
    background: url("https://picsum.photos/id/26/600/600") no-repeat center center;
    background-size: contain;
    border-radius: 50%;
    transition: var(--transition-base);
    animation: productRotate 15s linear infinite alternate;
}

@keyframes productRotate {
    0% {
        transform: rotateY(0deg) rotateX(0deg);
    }
    100% {
        transform: rotateY(360deg) rotateX(15deg);
    }
}

.product-model:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(14, 165, 233, 0.5);
}

.banner-text {
    color: #fff;
    padding: 20px 0;
}

.banner-text h1 {
    font-size: 48px;
    margin-bottom: 16px;
    line-height: 1.2;
    animation: textFadeUp 1s ease forwards;
    opacity: 0;
}

.banner-text p {
    font-size: 18px;
    color: var(--primary-silver);
    margin-bottom: 24px;
    max-width: 500px;
    animation: textFadeUp 1s ease 0.3s forwards;
    opacity: 0;
}

.banner-advantages {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
    animation: textFadeUp 1s ease 0.6s forwards;
    opacity: 0;
}

.advantage-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

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

@keyframes textFadeUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.categories {
    padding: 80px 0;
    background-color: var(--primary-silver);
}

.section-title {
    text-align: center;
    margin-bottom: 48px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--primary-dark);
    margin-bottom: 8px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 2px;
}

.section-title p {
    color: var(--text-gray);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.product-detail {
    padding: 80px 0;
    background-color: #fff;
}

.product-wrap {
    display: grid;
    grid-template-columns: 4fr 6fr;
    gap: 40px;
    align-items: center;
}

.product-3d {
    width: 100%;
    height: 400px;
    background: var(--primary-silver);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-3d img {
    max-width: 80%;
    max-height: 80%;
    transition: var(--transition-base);
    cursor: grab;
}

.product-3d img:active {
    cursor: grabbing;
}

.product-3d:hover img {
    transform: scale(1.05);
}

.product-tabs {
    width: 100%;
}

.tab-nav {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--primary-silver);
    margin-bottom: 20px;
}

.tab-btn {
    padding: 12px 24px;
    border: none;
    background: none;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-gray);
    transition: var(--transition-base);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

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

.tab-content {
    display: none;
    animation: tabFadeIn 0.5s ease forwards;
}

@keyframes tabFadeIn {
    0% {
        opacity: 0;
        transform: translateX(20px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.param-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--primary-silver);
}

.param-item span:first-child {
    color: var(--text-gray);
}

.param-item span:last-child {
    font-weight: 500;
}

.inquiry-btn {
    margin-top: 24px;
}

.advantages {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-dark), #0F172A);
    color: #fff;
}

.advantages .section-title h2 {
    color: #fff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 48px;
}

.advantage-card {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--border-radius);
    background: rgba(255,255,255,0.05);
    transition: var(--transition-base);
}

.advantage-card:hover {
    background: rgba(255,255,255,0.1);
    transform: scale(1.02);
}

.advantage-card i {
    font-size: 48px;
    color: var(--primary-blue);
    margin-bottom: 16px;
}

.advantage-card .number {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary-silver);
}

.advantage-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-gray);
}

.cases {
    padding: 80px 0;
    background-color: var(--primary-silver);
}

.case-carousel {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    border-radius: var(--border-radius);
    margin-top: 48px;
}

.carousel-inner {
    display: flex;
    width: 300%;
    height: 100%;
    transition: var(--transition-base);
}

.carousel-item {
    width: 100%;
    height: 100%;
    position: relative;
}

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

.carousel-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: 32px;
    color: #fff;
    transition: var(--transition-base);
}

.carousel-item:hover .carousel-overlay {
    height: 50%;
}

.carousel-text h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.carousel-text p {
    font-size: 16px;
    max-width: 600px;
    color: var(--primary-silver);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(30, 41, 59, 0.7);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    z-index: 2;
}

.carousel-btn:hover {
    background: var(--primary-blue);
    transform: translateY(-50%) scale(1.05);
}

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

.footer {
    padding: 60px 0 20px;
    background-color: var(--primary-dark);
    color: #fff;
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand .logo {
    animation: none;
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.6;
}

.qrcode {
    width: 100px;
    height: 100px;
    background: #fff;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 8px;
}

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

.nav-column h3 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--primary-silver);
}

.nav-column ul li {
    margin-bottom: 8px;
}

.nav-column ul li a {
    color: var(--text-gray);
    font-size: 14px;
    transition: var(--transition-base);
}

.nav-column ul li a:hover {
    color: var(--primary-blue);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact h3 {
    font-size: 16px;
    color: var(--primary-silver);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-gray);
    font-size: 14px;
}

.contact-item i {
    color: var(--primary-blue);
    font-size: 18px;
}

.subscribe-form {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.subscribe-form input {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: var(--border-radius);
    outline: none;
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.subscribe-btn {
    padding: 10px 16px;
    font-size: 14px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--text-gray);
    font-size: 12px;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--primary-dark);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
        z-index: 998;
        transition: var(--transition-base);
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .search-box {
        width: 150px;
    }

    .search-box input:focus {
        width: 180px;
    }

    .banner-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 0 20px;
    }

    .banner-text h1 {
        font-size: 36px;
    }

    .banner-advantages {
        justify-content: center;
    }

    .product-wrap {
        grid-template-columns: 1fr;
    }

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

    .case-carousel {
        height: 300px;
    }

    .footer-wrap {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

@media (max-width: 375px) {
    .nav-right {
        gap: 12px;
    }

    .search-box {
        display: none;
    }

    .banner-text h1 {
        font-size: 28px;
    }

    .banner-text p {
        font-size: 16px;
    }

    .product-model {
        width: 200px;
        height: 200px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .case-carousel {
        height: 200px;
    }

    .carousel-overlay {
        padding: 16px;
    }

    .carousel-text h3 {
        font-size: 18px;
    }

    .carousel-text p {
        font-size: 14px;
    }

    .footer-nav {
        grid-template-columns: 1fr;
    }

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

@media (min-width: 1200px) {
    .container {
        padding: 0 40px;
    }

    .banner-text h1 {
        font-size: 56px;
    }
}

/* 产品详情弹窗样式 */
.product-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.product-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(3px);
}

.modal-content {
    position: relative;
    background: #fff;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    overflow-y: auto;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--primary-silver);
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 1;
}

.modal-title {
    font-size: 24px;
    color: var(--primary-dark);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-gray);
    transition: var(--transition-base);
    line-height: 1;
}

.modal-close:hover {
    color: var(--secondary-red);
    transform: rotate(90deg);
}

.modal-body {
    display: flex;
    gap: 30px;
    padding: 30px;
}

.modal-product-img {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-product-img img {
    max-width: 100%;
    max-height: 350px;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
}

.modal-product-info {
    flex: 1.5;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.modal-section h4 {
    font-size: 18px;
    color: var(--primary-dark);
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--primary-blue);
    display: inline-block;
}

.modal-section p {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 15px;
}

.modal-param-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.modal-param-item {
    display: flex;
    flex-direction: column;
    padding: 10px 12px;
    background: var(--primary-silver);
    border-radius: 6px;
}

.modal-param-label {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 4px;
}

.modal-param-value {
    font-size: 15px;
    color: var(--primary-dark);
    font-weight: 500;
}

/* 弹窗响应式 */
@media (max-width: 768px) {
    .modal-body {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .modal-param-list {
        grid-template-columns: 1fr;
    }
}

/* 热门产品轮播样式 */
.product-carousel-wrap {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.product-carousel {
    display: flex;
    transition: transform 0.5s ease;
}

.product-carousel-item {
    min-width: 100%;
    flex-shrink: 0;
}

/* 产品包装容器 - 核心布局优化 */
.product-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: flex-start;
    padding: 10px 0;
}

/* 产品图片区域 */
.product-3d {
    flex: 1;
    min-width: 300px; /* 最小宽度，防止挤压 */
    max-width: 500px; /* 最大宽度，防止过大 */
    margin: 0 auto;
}

.product-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
}

/* 产品标签页区域 - 核心文字溢出修复 */
.product-tabs {
    flex: 2;
    min-width: 300px; /* 最小宽度，保证文字区域 */
    max-width: 800px;
}

.tab-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--primary-silver);
    padding-bottom: 10px;
}

.tab-btn {
    padding: 8px 16px;
    background: var(--primary-silver);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 14px;
}

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

.tab-content {
    display: none;
    padding: 15px 0;
}

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

/* 参数列表 - 文字溢出修复 */
.param-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.param-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px;
    background: var(--primary-silver-light);
    border-radius: 6px;
    word-break: break-word; /* 关键：长单词换行 */
    hyphens: auto; /* 自动连字符 */
}

.param-item span:first-child {
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 14px;
}

.param-item span:last-child {
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.6; /* 行高优化 */
    word-wrap: break-word; /* 关键：文字换行 */
    white-space: normal; /* 取消强制不换行 */
}

/* 列表文字溢出修复 */
.tab-content ul {
    padding-left: 20px;
    margin: 0;
}

.tab-content li {
    margin-bottom: 8px;
    line-height: 1.6;
    word-wrap: break-word; /* 文字换行 */
    word-break: break-word; /* 长单词换行 */
    overflow-wrap: break-word; /* 溢出换行 */
}

.tab-content p {
    line-height: 1.6;
    margin: 0 0 16px 0;
    word-wrap: break-word;
}

/* 轮播控制按钮 */
.product-carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(14, 165, 233, 0.8);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition-base);
}

.product-carousel-btn:hover {
    background: var(--primary-blue);
    transform: translateY(-50%) scale(1.1);
}

.product-carousel-btn.prev {
    left: 20px;
}

.product-carousel-btn.next {
    right: 20px;
}

/* 轮播指示器 */
.product-carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-silver);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.indicator.active {
    background: var(--primary-blue);
    width: 30px;
    border-radius: 6px;
}

.indicator:hover {
    background: #0284C7;
}

/* 询价按钮样式 */
.inquiry-btn {
    margin-top: 20px;
    padding: 10px 24px;
    background: var(--primary-blue);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-base);
}

.inquiry-btn:hover {
    background: #0284C7;
    transform: translateY(-2px);
}

/* 响应式适配 - 核心优化 */
@media (max-width: 992px) {
    .product-wrap {
        gap: 20px;
    }
    
    .product-3d {
        flex: 1 1 40%;
        min-width: 250px;
    }
    
    .product-tabs {
        flex: 1 1 60%;
        min-width: 250px;
    }
    
    .param-list {
        grid-template-columns: 1fr; /* 小屏幕单列显示 */
    }
}

@media (max-width: 768px) {
    .product-wrap {
        flex-direction: column; /* 移动端上下布局 */
        gap: 20px;
    }
    
    .product-3d {
        max-width: 100%;
    }
    
    .product-carousel-btn {
        width: 40px;
        height: 40px;
    }
    
    .product-carousel-btn.prev {
        left: 10px;
    }
    
    .product-carousel-btn.next {
        right: 10px;
    }
    
    .tab-nav {
        gap: 6px;
    }
    
    .tab-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .product-carousel-btn {
        width: 36px;
        height: 36px;
    }
    
    .product-3d {
        min-width: 100%;
    }
    
    .param-item {
        padding: 10px;
    }
    
    .tab-content {
        padding: 10px 0;
    }
}

/* 通用文字溢出样式 - 全局修复 */
:root {
    --primary-blue: #0ea5e9;
    --primary-dark: #1e293b;
    --text-gray: #64748b;
    --primary-silver: #e2e8f0;
    --primary-silver-light: #f8fafc;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --transition-base: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--primary-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 32px;
    margin-bottom: 12px;
    color: var(--primary-dark);
}

.section-title p {
    color: var(--text-gray);
    font-size: 16px;
}