:root {
    --primary: #2563eb;
    --text-dark: #111827;
    --text-gray: #4b5563;
    --bg-section: #f8fafc;
    /* 浅蓝灰底色 */
    --white: #ffffff;
    --transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
}

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

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text-dark);
    background: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

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

ul {
    list-style: none;
}

/* --- 公用组件 --- */
.reveal {
    opacity: 0;
    transform: translateY(80px);
    transition: var(--transition);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
}

section {
    padding: 120px 30px;
}

.bg-light-wrap {
    background: var(--bg-section);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 20px;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 25px;
}

.tab-item {
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: 600;
    color: var(--text-gray);
    cursor: pointer;
    border: 1px solid #e2e8f0;
    background: white;
}

.tab-item.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* --- 导航栏 (Header) --- */
/* --- 导航栏 (Header) --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    height: 85px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #f1f5f9;
    transition: all 0.3s ease;
}

header.scrolled {
    height: 70px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

header .nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

header .logo img {
    height: 45px;
    width: auto;
}

/* 导航链接容器 */
header .nav-links {
    display: flex;
    gap: 5px;
    align-items: center;
}

/* 导航项组 */
.nav-group {
    position: relative;
    padding: 10px 0;
    /* 增加 hover 热区 */
}

/* 链接样式 */
.nav-link {
    font-weight: 600;
    font-size: 15px;
    color: #374151;
    padding: 8px 15px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-radius: 30px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: #eff6ff;
}

/* 下拉箭头 */
.dropdown-arrow {
    font-size: 11px;
    opacity: 0.5;
    transition: var(--transition);
}

/* 下拉菜单 (Desktop) */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    min-width: 180px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    /* 更柔和的阴影 */
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 100;
    border: 1px solid #f1f5f9;
}

/* Hover 显示下拉 */
.nav-group:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* 下拉菜单项 */
.dropdown-item {
    display: block;
    padding: 10px 15px;
    color: var(--text-gray);
    font-size: 14px;
    background: transparent;
    border-radius: 8px;
    margin-bottom: 2px;
    text-align: center;
    transition: all 0.2s;
}

.dropdown-item:hover {
    background: #f8fafc;
    color: var(--primary);
    transform: translateX(3px);
}

/* 空菜单隐藏 (利用 CSS selector :empty) */
.dropdown-menu:empty {
    display: none !important;
}

/* 当 dropdown 为空时，隐藏箭头 */
.nav-group:has(.dropdown-menu:empty) .dropdown-arrow {
    display: none;
}

/* 汉堡菜单 (PC隐藏) */
.menu-toggle,
.mobile-menu-header,
.overlay {
    display: none;
}

/* --- 移动端适配 (Mobile & Tablet) --- */
@media (max-width: 992px) {
    header {
        height: 70px !important;
        /* 强制固定高度 */
    }

    header .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: white;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        overflow-y: auto;
        z-index: 1002;
    }

    header .nav-links.active {
        right: 0;
    }

    /* 汉堡按钮 */
    .menu-toggle {
        display: block;
        font-size: 22px;
        color: var(--text-dark);
        cursor: pointer;
        padding: 10px;
    }

    /* 侧滑菜单头部 */
    .mobile-menu-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 25px;
        border-bottom: 1px solid #f1f5f9;
        margin-bottom: 5px;
    }

    .mobile-menu-header img {
        height: 35px;
    }

    .close-menu {
        font-size: 24px;
        color: var(--text-gray);
        cursor: pointer;
        width: 30px;
        height: 30px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #f1f5f9;
        border-radius: 50%;
    }

    /* 移动端导航项 */
    .nav-group {
        padding: 0;
        border-bottom: 1px solid #f8fafc;
    }

    .nav-link {
        padding: 18px 25px;
        justify-content: space-between;
        font-size: 16px;
        border-radius: 0;
    }

    .nav-link:hover,
    .nav-link.active {
        background: transparent;
        color: var(--primary);
    }

    /* 移动端下拉菜单 */
    .dropdown-menu {
        position: static;
        width: 100%;
        transform: none;
        box-shadow: none;
        padding: 0;
        border: none;
        display: none;
        /* 默认隐藏 */
        opacity: 1;
        visibility: visible;
        background: #f8fafc;
        border-radius: 0;
    }

    /* 打开状态 */
    .nav-group.open .dropdown-menu {
        display: block;
    }

    .nav-group.open .dropdown-arrow {
        transform: rotate(180deg);
    }

    .nav-group:has(.dropdown-menu:empty) .dropdown-arrow {
        display: none;
    }

    .dropdown-item {
        padding: 14px 25px 14px 45px;
        /* 缩进 */
        color: #64748b;
        text-align: left;
        border-bottom: 1px solid #f1f5f9;
        border-radius: 0;
    }

    /* 遮罩层 */
    .overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1001;
        /* 比 header 高 */
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
        backdrop-filter: blur(3px);
    }

    .overlay.active {
        opacity: 1;
        visibility: visible;
    }

    body.no-scroll {
        overflow: hidden;
    }
}

/* --- 第一屏 Banner (Hero) --- */
.hero {
    height: 85vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    background: #000;
    margin-top: 85px;
}

.hero .hero-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
}

.hero .hero-content {
    position: relative;
    z-index: 10;
    color: white;
    max-width: 900px;
}

.hero h1 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
}

.hero p {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 600px;
}

/* --- 关于我们 (About) --- */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-grid .about-img img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.08);
}

.about-grid .about-content h3 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--primary);
    font-weight: 700;
}

.about-grid .about-content p {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.about-grid .about-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.about-grid .about-link-card {
    padding: 30px;
    background: var(--bg-section);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid transparent;
}

.about-grid .about-link-card i {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 15px;
}

.about-grid .about-link-card span {
    font-weight: 700;
    font-size: 16px;
}

.about-grid .about-link-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    background: white;
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.1);
}

/* --- 产品展示 (Products) --- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.product-grid .product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.product-grid .product-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
}

.product-grid .product-img {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #e2e8f0;
}

.product-grid .product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 1s;
}

.product-grid .product-card:hover img {
    transform: scale(1.1);
}

.product-grid .product-info {
    padding: 35px;
    text-align: center;
}

.product-grid .product-info h4 {
    font-size: 22px;
    margin-bottom: 12px;
    font-weight: 700;
}

/* --- 新闻资讯 (News) --- */
.news-flex {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 60px;
}

.news-flex .news-feature {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 550px;
    display: flex;
    align-items: flex-end;
    padding: 50px;
    color: white;
}

.news-flex .news-feature img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    transition: 1.2s;
}

.news-flex .news-feature::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    z-index: -1;
}

.news-flex .news-feature h3 {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.3;
}

.news-flex .news-feature:hover img {
    transform: scale(1.08);
}

.news-flex .news-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.news-flex .news-item {
    padding: 35px;
    border-bottom: 1px solid #f1f5f9;
    transition: 0.4s;
}

.news-flex .news-item .date {
    color: var(--primary);
    font-weight: 800;
    font-size: 14px;
    margin-bottom: 12px;
    display: block;
}

.news-flex .news-item h4 {
    font-size: 21px;
    margin-bottom: 10px;
    font-weight: 700;
}

.news-flex .news-item p {
    color: var(--text-gray);
    font-size: 16px;
    opacity: 0.8;
}

.news-flex .news-item:hover {
    background: var(--bg-section);
    padding-left: 45px;
    border-left: 5px solid var(--primary);
}

/* --- 下载中心 (Download) --- */
.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.download-grid .download-card {
    padding: 45px 25px;
    background: white;
    border-radius: 15px;
    text-align: center;
    border: 1px solid #edf2f7;
    transition: var(--transition);
}

.download-grid .download-card i {
    font-size: 42px;
    color: var(--primary);
    margin-bottom: 25px;
    display: block;
}

.download-grid .download-card h4 {
    font-size: 19px;
    font-weight: 800;
    margin-bottom: 12px;
}

.download-grid .download-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.1);
}

/* --- 案例展示 (Cases) --- */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.case-grid .case-card {
    position: relative;
    height: 450px;
    border-radius: 15px;
    overflow: hidden;
}

.case-grid .case-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 1s;
}

.case-grid .case-card:hover img {
    transform: scale(1.1);
}

.case-grid .case-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: white;
}

/* --- 联系我们 (Contact) --- */
.contact-box {
    display: flex;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.15);
}

.contact-box .contact-left {
    flex: 0 0 400px;
    background: var(--primary);
    color: white;
    padding: 80px 55px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-box .contact-left h2 {
    font-size: 30px;
    font-weight: 700;
}

.contact-box .info-row {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 17px;
    opacity: 0.95;
}

.contact-box .info-row i {
    font-size: 22px;
    width: 25px;
}

.contact-box .recruit-box {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-box .recruit-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-box .contact-right {
    flex: 1;
    background: var(--bg-section);
    padding: 80px 70px;
}

.contact-box .contact-right h3 {
    font-size: 24px;
    margin-bottom: 50px;
    font-weight: 700;
    color: var(--text-dark);
}

.contact-box .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 45px;
    margin-bottom: 45px;
}

.contact-box .field-group {
    position: relative;
    border-bottom: 2px solid #e2e8f0;
}

.contact-box .field-group input,
.contact-box .field-group textarea {
    width: 100%;
    padding: 15px 0;
    border: none;
    outline: none;
    font-size: 16px;
    background: transparent;
}

.contact-box .field-group label {
    position: absolute;
    left: 0;
    top: 15px;
    color: #94a3b8;
    transition: 0.3s;
    pointer-events: none;
}

.contact-box .field-group input:focus~label,
.contact-box .field-group input:not(:placeholder-shown)~label,
.contact-box .field-group textarea:focus~label,
.contact-box .field-group textarea:not(:placeholder-shown)~label {
    top: -25px;
    font-size: 13px;
    color: var(--primary);
    font-weight: 800;
}

.contact-box .btn-submit {
    background: var(--primary);
    color: white;
    padding: 18px 80px;
    border: none;
    border-radius: 10px;
    font-weight: 800;
    cursor: pointer;
    font-size: 16px;
    transition: 0.4s;
}

.contact-box .btn-submit:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.2);
    background: #1d4ed8;
}

/* --- 页脚树状导航 (Footer) --- */
footer {
    background: #0b1120;
    color: #94a3b8;
    padding: 120px 0 50px;
}

footer .f-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 50px;
    border-bottom: 1px solid #1e293b;
    padding-bottom: 80px;
}

footer .f-col h4 {
    color: white;
    margin-bottom: 35px;
    font-size: 20px;
    font-weight: 700;
}

footer .f-col a {
    display: block;
    margin-bottom: 18px;
    font-size: 15px;
}

footer .f-col a:hover {
    color: var(--primary);
    padding-left: 8px;
}

footer .copy {
    text-align: center;
    margin-top: 50px;
    font-size: 14px;
    opacity: 0.5;
}

/***关于我们***/
/* --- 内页 Banner --- */
.page-banner {
    height: 400px;
    background: #0b1120;
    margin-top: 80px;
    display: flex;
    align-items: center;
    position: relative;
    color: white;
    overflow: hidden;
}

.banner-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    filter: grayscale(100%);
}

.banner-content {
    position: relative;
    z-index: 10;
}

.banner-content h1 {
    font-size: 48px;
    margin-bottom: 15px;
    font-weight: 800;
}

.breadcrumb {
    font-size: 14px;
    opacity: 0.7;
}

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

/* --- 1. 公司简介 --- */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.intro-img img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.section-title {
    margin-bottom: 30px;
}

.section-title span {
    color: var(--primary);
    font-weight: 800;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title h2 {
    font-size: 36px;
    margin-top: 10px;
    font-weight: 800;
}

.intro-text p {
    margin-bottom: 20px;
    color: var(--text-gray);
    font-size: 17px;
}

/* --- 2. 企业文化 (使命愿景) --- */
.culture-section {}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.culture-card {
    background: white;
    padding: 50px 40px;
    border-radius: 15px;
    text-align: center;
    transition: 0.4s;
}

.culture-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.1);
}

.culture-card i {
    font-size: 45px;
    color: var(--primary);
    margin-bottom: 25px;
}

.culture-card h4 {
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 700;
}

.culture-card p {
    color: var(--text-gray);
    font-size: 15px;
}

/* --- 3. 发展历程 (时间轴) --- */
.history-timeline {
    position: relative;
    max-width: 900px;
    margin: 60px auto 0;
    padding: 40px 0;
}

.history-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    background: #e2e8f0;
    transform: translateX(-50%);
}

.timeline-item {
    width: 100%;
    margin-bottom: 50px;
    position: relative;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 5px;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: 4px solid white;
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.timeline-content {
    width: 45%;
    padding: 25px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #f1f5f9;
    position: relative;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
}

.timeline-content h4 {
    color: var(--primary);
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 15px;
    color: var(--text-gray);
}

/* --- 4. 资质荣誉 --- */
.honor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 50px;
}

.honor-card {
    background: white;
    padding: 5px;
    border-radius: 10px;
    padding-bottom: 20px;
    text-align: center;
    border: 1px solid #f1f5f9;
    transition: 0.4s;
}

.honor-card img {
    width: 100%;
    height: 400px;
    background: #fdfdfd;
    margin-bottom: 15px;
}

.honor-card p {
    font-weight: 700;
    font-size: 15px;
}

.honor-card:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

/* --- 5. 合作伙伴 --- */
.partner-section {
    background: var(--bg-light);
    text-align: center;
}

.partner-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-top: 50px;
    align-items: center;
}

.partner-logo {
    height: 80px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    padding: 15px;
    transition: 0.3s;
    opacity: 0.9;
    border: 1px solid #eee;
}

.partner-logo:hover {
    opacity: 1;
    grayscale: 0;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}


/* --- 响应式适配 --- */
@media (max-width: 1100px) {

    .about-grid,
    .news-flex,
    footer .f-grid,
    .contact-box {
        grid-template-columns: 1fr;
    }

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

    .contact-box .contact-left {
        flex: none;
    }

    .hero h1 {
        font-size: 42px;
    }
}

/* --- 面包屑导航特定样式 --- */
.breadcrumb-wrap {
    background: #f8fafc;
    padding: 20px 0;
    border-bottom: 1px solid #e2e8f0;
}

.breadcrumb-wrap .breadcrumb-content {
    color: #64748b;
    font-size: 14px;
}

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

.breadcrumb-wrap i {
    margin: 0 8px;
    font-size: 12px;
    color: #cbd5e1;
}

.breadcrumb-wrap .current {
    color: var(--primary);
    font-weight: 600;
}

/* ========== 产品详情页面 ========== */
/* 顶部产品列表 */
.product-detail .product-detail-top {
    padding: 100px 30px 80px;
}

.product-detail .product-detail-top-header {
    margin-bottom: 60px;
}

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

.product-detail .product-detail-top-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    border: 2px solid transparent;
}

.product-detail .product-detail-top-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--primary);
}

.product-detail .product-detail-top-card.active {
    border-color: var(--primary);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.15);
}

.product-detail .product-detail-top-img {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #e2e8f0;
}

.product-detail .product-detail-top-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.8s;
}

.product-detail .product-detail-top-card:hover .product-detail-top-img img {
    transform: scale(1.1);
}

.product-detail .product-detail-top-info {
    padding: 25px;
    text-align: center;
}

.product-detail .product-detail-top-info h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

/* 面包屑 */
.product-detail .product-detail-breadcrumb {
    margin-top: 85px;
}

.product-detail .product-detail-breadcrumb-content {
    color: #64748b;
    font-size: 14px;
}

.product-detail .product-detail-breadcrumb-content a {
    color: #64748b;
    transition: 0.3s;
}

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

.product-detail .product-detail-breadcrumb-content i {
    margin: 0 8px;
    font-size: 12px;
    color: #cbd5e1;
}

.product-detail .product-detail-breadcrumb-content .current {
    color: var(--primary);
    font-weight: 600;
}

/* 主体布局：左图右信息 */
.product-detail .product-detail-main {
    padding: 80px 30px;
}

.product-detail .product-detail-main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

/* 左侧产品大图 */

.product-detail .product-detail-main-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.08);
    background: white;
    padding: 30px;
}

.product-detail .product-detail-main-image img {
    width: 100%;
    display: block;
    border-radius: 8px;
}

/* 右侧产品信息 */

.product-detail .product-detail-main-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 25px;
    line-height: 1.3;
}

.product-detail .product-detail-main-category {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-gray);
    font-size: 15px;
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid #e2e8f0;
}

.product-detail .product-detail-main-category i {
    color: var(--primary);
    font-size: 16px;
}

.product-detail .product-detail-main-desc {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 40px;
    padding: 25px;
    background: var(--bg-section);
    border-left: 4px solid var(--primary);
    border-radius: 8px;
}

.product-detail .product-detail-main-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary);
    color: white;
    padding: 18px 50px;
    border-radius: 10px;
    font-weight: 800;
    font-size: 16px;
    transition: 0.4s;
    margin-bottom: 30px;
}

.product-detail .product-detail-main-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.2);
    background: #1d4ed8;
}

.product-detail .product-detail-main-phone {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 700;
}

.product-detail .product-detail-main-phone i {
    color: var(--primary);
    font-size: 20px;
}

/* 产品详细描述 */
.product-detail .product-detail-content {
    padding: 80px 30px;
}

.product-detail .product-detail-content-box {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.product-detail .product-detail-content-title {
    font-size: 28px;
    font-weight: 800;
    padding: 20px 40px;
    margin: 0;
    border-bottom: 1px solid #eee;
}

.product-detail .product-detail-content-body {
    padding: 50px 40px;
    line-height: 1.8;
    color: var(--text-gray);
    font-size: 16px;
}

.product-detail .product-detail-content-body p {
    margin-bottom: 20px;
}

.product-detail .product-detail-content-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
}

/* 上下篇导航（通用） */
.product-detail-nav {
    padding: 60px 30px;
}

.product-detail-nav-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}


.product-detail-nav-link {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px;
    background: white;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.product-detail-nav-link:hover {
    border-color: var(--primary);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.1);
    transform: translateY(-5px);
}

.product-detail-nav-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.product-detail-nav-link.disabled:hover {
    transform: none;
    box-shadow: none;
    border-color: #e2e8f0;
}

.product-detail-nav-link i {
    font-size: 20px;
    color: var(--primary);
}

.product-detail-nav-text {
    flex: 1;
}

.product-detail-nav-label {
    display: block;
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 8px;
    font-weight: 600;
}

.product-detail-nav-name {
    display: block;
    font-size: 17px;
    color: var(--text-dark);
    font-weight: 700;
}

/* 推荐产品 */
.product-detail .product-detail-recommend {
    padding: 80px 30px;
}

.product-detail .product-detail-recommend-header {
    margin-bottom: 60px;
}

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

.product-detail .product-detail-recommend-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.product-detail .product-detail-recommend-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
}

.product-detail .product-detail-recommend-img {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #e2e8f0;
}

.product-detail .product-detail-recommend-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.8s;
}

.product-detail .product-detail-recommend-card:hover .product-detail-recommend-img img {
    transform: scale(1.1);
}

.product-detail .product-detail-recommend-info {
    padding: 25px;
    text-align: center;
}

.product-detail .product-detail-recommend-info h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.product-detail .product-detail-recommend-info p {
    font-size: 14px;
    color: var(--text-gray);
}

/* 响应式设计 */
@media (max-width: 1100px) {
    .product-detail .product-detail-top-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .product-detail .product-detail-main-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

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

@media (max-width: 768px) {
    .product-detail .product-detail-top-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .product-detail .product-detail-main {
        padding: 50px 20px;
    }

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

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

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

    .product-detail .product-detail-content-title {
        font-size: 22px;
        padding: 25px 25px;
    }


    .product-detail .product-detail-content-body {
        padding: 30px 25px;
    }
}

/* ========== 新闻列表页面 ========== */
/* 主体部分 */
.article-list .article-list-section {
    padding: 80px 30px;
}

/* 分类筛选 */
.article-list .article-list-tabs {
    margin-bottom: 60px;
}

/* 新闻列表容器 */
.article-list .article-list-items {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 单个新闻项 */
.article-list .article-list-item {
    display: flex;
    gap: 30px;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
    text-decoration: none;
}

.article-list .article-list-item:hover {
    transform: translateX(10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--primary);
}

/* 左侧缩略图 */
.article-list .article-list-item-thumb {
    flex: 0 0 320px;
    width: 320px;
    height: 220px;
    overflow: hidden;
    background: #e2e8f0;
}

.article-list .article-list-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.8s;
}

.article-list .article-list-item:hover .article-list-item-thumb img {
    transform: scale(1.1);
}

/* 右侧内容区 */
.article-list .article-list-item-content {
    flex: 1;
    padding: 30px 35px 30px 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* 标题 */
.article-list .article-list-item-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.4;
    transition: color var(--transition);
}

.article-list .article-list-item:hover .article-list-item-title {
    color: var(--primary);
}

/* 描述 */
.article-list .article-list-item-desc {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 20px;
    flex: 1;
}

/* 底部元信息 */
.article-list .article-list-item-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #f1f5f9;
}

.article-list .article-list-item-info {
    display: flex;
    gap: 25px;
}

.article-list .article-list-item-date,
.article-list .article-list-item-views {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-gray);
}

.article-list .article-list-item-date i,
.article-list .article-list-item-views i {
    color: var(--primary);
    font-size: 15px;
}

/* 查看更多按钮 */
.article-list .article-list-item-more {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    transition: gap var(--transition);
}

.article-list .article-list-item:hover .article-list-item-more {
    gap: 12px;
}

.article-list .article-list-item-more i {
    font-size: 12px;
    transition: transform var(--transition);
}

.article-list .article-list-item:hover .article-list-item-more i {
    transform: translateX(3px);
}

/* 分页 */
.article-list .article-list-pagination {
    margin-top: 60px;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .article-list .article-list-item {
        flex-direction: column;
        gap: 0;
    }

    .article-list .article-list-item-thumb {
        flex: none;
        width: 100%;
        height: 250px;
    }

    .article-list .article-list-item-content {
        padding: 25px;
    }

    .article-list .article-list-item:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .article-list .article-list-section {
        padding: 50px 20px;
    }

    .article-list .article-list-items {
        gap: 20px;
    }

    .article-list .article-list-item-thumb {
        height: 200px;
    }

    .article-list .article-list-item-title {
        font-size: 20px;
    }

    .article-list .article-list-item-desc {
        font-size: 14px;
    }

    .article-list .article-list-item-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

/* ========== 新闻详情页面 ========== */
/* 主体内容区 */
.article-detail .article-detail-main {
    padding: 80px 30px 60px;
}

.article-detail .article-detail-content {
    margin: 0 auto;
    background: white;
    padding: 60px 30px;
    border-radius: 15px;
    box-shadow: 10px 20px 40px rgba(0, 0, 0, 0.05);
}

/* 标题 */
.article-detail .article-detail-title {
    font-size: 35px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.4;
    margin-bottom: 30px;
    text-align: center;
}

/* 元信息 */
.article-detail .article-detail-meta {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.article-detail .article-detail-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--text-gray);
}

.article-detail .article-detail-meta-item i {
    color: var(--primary);
    font-size: 16px;
}

/* 分割线 */
.article-detail .article-detail-divider {
    height: 2px;
    background: linear-gradient(to right, transparent, var(--primary), transparent);
    margin-bottom: 40px;
}

/* 内容区 */
.article-detail .article-detail-body {
    font-size: 17px;
    line-height: 2;
    color: var(--text-gray);
}

.article-detail .article-detail-body p {
    margin-bottom: 20px;
    text-indent: 2em;
}

.article-detail .article-detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 30px 0;
    display: block;
}

.article-detail .article-detail-body h1,
.article-detail .article-detail-body h2,
.article-detail .article-detail-body h3 {
    color: var(--text-dark);
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 20px;
}

.article-detail .article-detail-body h1 {
    font-size: 32px;
}

.article-detail .article-detail-body h2 {
    font-size: 28px;
}

.article-detail .article-detail-body h3 {
    font-size: 24px;
}

.article-detail .article-detail-body ul,
.article-detail .article-detail-body ol {
    margin: 20px 0;
    padding-left: 30px;
}

.article-detail .article-detail-body li {
    margin-bottom: 10px;
}

.article-detail .article-detail-body blockquote {
    border-left: 4px solid var(--primary);
    padding: 20px 25px;
    background: var(--bg-section);
    margin: 20px 0;
    border-radius: 8px;
}

.article-detail .article-detail-body code {
    background: #f1f5f9;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 15px;
    color: #e91e63;
}

.article-detail .article-detail-body pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 20px 0;
}

.article-detail .article-detail-body pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* 推荐文章 */
.article-detail .article-detail-recommend {
    padding: 80px 30px;
}

.article-detail .article-detail-recommend-header {
    margin-bottom: 60px;
}

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

.article-detail .article-detail-recommend-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    border: 1px solid #e2e8f0;
}

.article-detail .article-detail-recommend-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.article-detail .article-detail-recommend-img {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #e2e8f0;
}

.article-detail .article-detail-recommend-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.8s;
}

.article-detail .article-detail-recommend-card:hover .article-detail-recommend-img img {
    transform: scale(1.1);
}

.article-detail .article-detail-recommend-info {
    padding: 25px;
}

.article-detail .article-detail-recommend-info h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.4;
    transition: color var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-detail .article-detail-recommend-card:hover .article-detail-recommend-info h4 {
    color: var(--primary);
}

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

.article-detail .article-detail-recommend-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-detail .article-detail-recommend-meta i {
    color: var(--primary);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .article-detail .article-detail-content {
        padding: 50px 40px;
    }

    .article-detail .article-detail-title {
        font-size: 36px;
    }

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

@media (max-width: 768px) {
    .article-detail .article-detail-main {
        padding: 50px 20px 40px;
    }

    .article-detail .article-detail-content {
        padding: 40px 25px;
    }

    .article-detail .article-detail-title {
        font-size: 28px;
    }

    .article-detail .article-detail-meta {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .article-detail .article-detail-body {
        font-size: 16px;
    }

    .article-detail .article-detail-recommend-grid {
        grid-template-columns: 1fr;
    }

    .article-detail .article-detail-body h1 {
        font-size: 26px;
    }

    .article-detail .article-detail-body h2 {
        font-size: 22px;
    }

    .article-detail .article-detail-body h3 {
        font-size: 20px;
    }
}

/* ========== 下载中心列表页面 ========== */
.download-page .download-section {
    padding: 60px 20px;
}

.download-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 40px;
}

.download-item {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 12px;
    padding: 25px;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.download-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
    border-color: var(--primary);
}

/* 左侧图标 */
.download-icon {
    width: 80px;
    height: 80px;
    background: #f1f5f9;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 30px;
    flex-shrink: 0;
}

.download-icon i {
    font-size: 36px;
    color: var(--primary);
}

/* 中间信息 */
.download-info {
    flex: 1;
    margin-right: 30px;
}

.download-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.download-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

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

.download-desc {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.download-meta {
    display: flex;
    gap: 25px;
    font-size: 13px;
    color: #94a3b8;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.meta-item i {
    font-size: 14px;
}

/* 徽章 */
.badge-hot,
.badge-rec {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
    color: white;
    font-weight: normal;
    background: #e91e63;
    /* Hot color */
}

.badge-rec {
    background: #FF9800;
    /* Recommend color */
}

/* 右侧按钮 */
.download-action {
    flex-shrink: 0;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    background: var(--primary);
    color: white;
}

.btn-download:hover {
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
}

/* 响应式适配 */
@media (max-width: 768px) {
    .download-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
    }

    .download-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }

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

    .download-info {
        margin-right: 0;
        margin-bottom: 20px;
        width: 100%;
    }

    .download-title {
        font-size: 18px;
        flex-wrap: wrap;
    }

    .download-meta {
        flex-wrap: wrap;
        gap: 15px;
    }

    .download-action {
        width: 100%;
    }

    .btn-download {
        display: flex;
        justify-content: center;
        width: 100%;
    }
}

/* ========== 联系我们页面 ========== */

/* Banner 区域复用与增强 */
.page-banner {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.banner-content {
    position: relative;
    z-index: 2;
}

.banner-content h1 {
    font-size: 48px;
    font-weight: 800;
    margin: 20px 0;
}

.banner-content p {
    font-size: 18px;
    opacity: 0.9;
    font-weight: 300;
}

.breadcrumb {
    font-size: 14px;
    opacity: 0.8;
}

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

.breadcrumb .sep {
    margin: 0 10px;
}

/* 联系内容区域 */
.contact-page {
    padding-bottom: 80px;
    background: #f8fafc;
}

/* 联系卡片 */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: -60px;
    /* 向上重叠 banner */
    position: relative;
    z-index: 10;
    margin-bottom: 80px;
}

.contact-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.1);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: #eff6ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary);
    font-size: 28px;
    transition: var(--transition);
}

.contact-card:hover .card-icon {
    background: var(--primary);
    color: white;
    transform: rotateY(180deg);
}

.contact-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.contact-card p {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 15px;
}

.card-link {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
}

/* 分栏区域 */
.contact-split-section {
    display: flex;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.03);
}

.contact-map-box {
    flex: 1;
    position: relative;
    min-height: 500px;
    background: #e2e8f0;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #cbd5e1;
    overflow: hidden;
}

.map-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-overlay i {
    font-size: 60px;
    color: rgba(255, 255, 255, 0.5);
}

.map-btn {
    position: relative;
    z-index: 2;
    background: white;
    color: var(--text-dark);
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.map-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    background: var(--primary);
    color: white;
}

/* 右侧表单 */
.contact-form-box {
    flex: 1;
    padding: 50px;
}

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

.form-header h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

.form-header p {
    color: var(--text-gray);
}

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

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

.modern-form input,
.modern-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
    background: #f8fafc;
}

.modern-form input:focus,
.modern-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-submit {
    width: 100%;
    padding: 15px;
    border: none;
    background: var(--primary);
    color: white;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
    opacity: 0.9;
}

/* 响应式 */
@media (max-width: 992px) {
    .contact-cards {
        grid-template-columns: repeat(1, 1fr);
        margin-top: 30px;
    }

    .contact-split-section {
        flex-direction: column;
    }

    .contact-map-box {
        min-height: 300px;
    }

    .contact-form-box {
        padding: 30px;
    }
}

/* ========== 移动端深度适配优化 (覆盖调整) ========== */
@media (max-width: 992px) {

    /* 1. 全局间距缩小 */
    section {
        padding: 50px 15px !important;
    }

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

    /* 2. 标题字体缩小 */
    .section-header h2 {
        font-size: 28px !important;
        margin-bottom: 30px !important;
    }

    h1 {
        font-size: 28px !important;
    }

    h2 {
        font-size: 24px !important;
    }

    h3 {
        font-size: 20px !important;
    }

    /* 3. Banner 区域优化 */
    .page-banner {
        height: 200px !important;
        /* 减小高度 */
        margin-top: 0 !important;
    }

    .page-banner h1 {
        font-size: 32px !important;
        margin: 10px 0 !important;
    }

    .page-banner p {
        font-size: 14px !important;
        padding: 0 20px;
    }

    /* 4. 面包屑导航优化 */
    .breadcrumb-wrap {
        padding: 10px 0 !important;
        white-space: nowrap;
        overflow-x: auto;
        /* 允许横向滚动防止换行 */
    }

    .breadcrumb-content {
        font-size: 13px !important;
    }

    /* 5. 分类 Tabs 优化：横向滑动 */
    .category-tabs {
        justify-content: flex-start !important;
        /* 左对齐 */
        flex-wrap: nowrap !important;
        /* 不换行 */
        overflow-x: auto !important;
        /* 开启横向滚动 */
        padding-bottom: 10px !important;
        /* 预留滚动条位置或间距 */
        margin-top: 0 !important;
        gap: 10px !important;
        -webkit-overflow-scrolling: touch;
        /* 顺滑滚动 */
    }

    /* 隐藏滚动条但保留功能 */
    .category-tabs::-webkit-scrollbar {
        height: 0;
        width: 0;
    }

    .tab-item {
        flex: 0 0 auto;
        /* 防止被压缩 */
        padding: 8px 20px !important;
        font-size: 14px !important;
    }

    /* 6. 详情页优化 */
    .article-detail-title {
        font-size: 24px !important;
        line-height: 1.4 !important;
    }

    .article-detail-meta {
        font-size: 12px !important;
        flex-wrap: wrap;
        gap: 10px !important;
    }

    .article-detail-body {
        font-size: 16px !important;
        line-height: 1.8 !important;
    }

    .article-detail-body img {
        height: auto !important;
        /* 确保图片不拉伸 */
    }

    /* 7. 上一篇下一篇优化 */
    .product-detail-nav-box {
        flex-direction: column;
        gap: 15px;
    }

    .product-detail-nav-item {
        width: 100%;
    }

    .product-detail-nav-link {
        width: 100%;
        justify-content: space-between;
    }

    /* 8. 列表页间距调整 */
    .download-list {
        margin-top: 20px !important;
    }

    .download-item {
        flex-direction: column;
        align-items: flex-start !important;
        padding: 20px !important;
        gap: 15px !important;
    }

    .download-icon {
        margin-bottom: 0 !important;
    }

    .download-info {
        padding: 0 !important;
        width: 100%;
    }

    .download-action {
        width: 100%;
        margin-top: 10px;
    }

    .btn-download {
        display: flex;
        justify-content: center;
        width: 100%;
    }

    /* 招聘职位列表 (假设结构) */
    .job-item {
        padding: 20px !important;
    }

    .job-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start !important;
    }
}

/* ========== 针对性修复样式 (Final Fixes) ========== */
@media (max-width: 992px) {

    /* 1. Header 与 Banner 衔接修复 */
    header {
        height: 60px !important;
    }

    .page-banner {
        margin-top: 60px !important;
        /* 紧贴 Header */
        background-color: #e2e8f0;
        /* 默认灰色背景，防止图片未加载时全白 */
        min-height: 150px;
    }

    .hero {
        margin-top: 60px !important;
    }

    /* 2. 产品/案例列表 Grid 修复 */
    /* 通用修复所有 grid 结尾的类，以及特定列表类 */
    [class*="-grid"],
    .product-list,
    .case-list {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        /* 优先双列布局 */
        gap: 10px !important;
    }

    /* 产品卡片内部修复 */
    .product-card,
    .case-card {
        width: 100% !important;
    }

    /* 超小屏幕 (手机竖屏) 强制单列 */
    @media (max-width: 500px) {

        /* 这里针对产品列表如果双列太挤，可以改为单列。但用户截图似乎是单列被挤压？
           这说明可能是父容器宽度不够。我们先试双列，因为单列图太大也不好看。
           如果用户截图里是单列且被挤压，那非常有可能是 flex 布局没换行。
        */
        [class*="-grid"],
        .product-list,
        .case-list {
            display: grid !important;
            /* 如果双列太挤，可以在这里改为 1fr */
            /* grid-template-columns: 1fr !important; */
        }

        /* 针对文字竖排问题，强制文字容器宽度 */
        .product-info,
        .case-info {
            width: 100% !important;
            padding: 10px !important;
        }

        .product-title,
        .case-title {
            white-space: normal !important;
            /* 允许换行 */
            word-break: break-all;
        }
    }

    /* 3. Tabs 满宽修复 */
    .category-tabs {
        width: 100vw !important;
        /* 强占满屏宽度 */
        margin-left: -15px !important;
        /* 抵消父级 padding */
        margin-right: -15px !important;
        padding: 5px 15px 15px 15px !important;
        justify-content: flex-start !important;
    }

    .container {
        overflow-x: hidden;
        /* 防止横向滚动条 */
    }
}

/* ========== 招聘板块样式优化 (Job System) ========== */

/* 列表页 Card Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 992px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* 列表页 Card */
.job-list-section {
    padding: 60px 0;
}

.job-card {
    background: #fff;
    border-radius: 12px;
    padding: 35px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid #f1f5f9;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

/* 顶部彩色条 - 悬停时展开 */
.job-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}

.job-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: transparent;
}

.job-card:hover::before {
    transform: scaleX(1);
}

.job-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.job-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
    line-height: 1.4;
    flex: 1;
    padding-right: 15px;
}

.job-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.job-card:hover .job-card-title a {
    color: var(--primary);
}

.job-card-salary {
    font-size: 20px;
    font-weight: 800;
    color: #f59e0b;
    white-space: nowrap;
    font-family: 'Poppins', sans-serif;
}

.job-card-meta {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
}

.job-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
}

.job-card-meta span i {
    color: #94a3b8;
}

.job-card-meta .divider {
    color: #e2e8f0;
    font-size: 12px;
}

.job-card-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 30px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.job-card-action {
    margin-top: auto;
}

.job-btn-outline {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px;
    border-radius: 50px;
    border: 1px solid #e2e8f0;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
    background: transparent;
}

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

/* 详情页 Header */
.job-detail-header-wrap {
    background: #f8fafc;
    padding: 60px 0;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
}

.job-header-breadcrumb {
    margin-bottom: 30px;
    font-size: 14px;
    color: var(--text-gray);
}

.job-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
}

.job-header-main h1 {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.job-header-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.job-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    padding: 8px 16px;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
    font-size: 14px;
    color: var(--text-dark);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.job-tag i {
    color: var(--primary);
}

.job-header-side {
    text-align: right;
    min-width: 200px;
}

.job-detail-salary {
    font-size: 36px;
    font-weight: 800;
    color: #f59e0b;
    margin-bottom: 20px;
    display: block;
    font-family: 'Poppins', sans-serif;
}


/* 详情页 Content */
.job-content-container {
    padding: 80px 20px;
}

.job-block {
    margin-bottom: 60px;
}

.job-block-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 30px;
    position: relative;
    padding-left: 18px;
}

.job-block-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    height: 22px;
    width: 5px;
    background: var(--primary);
    border-radius: 2px;
}

.job-text {
    font-size: 16px;
    color: #334155;
    line-height: 1.9;
    background: #fff;
}

/* 福利图标网格 */
.welfare-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.welfare-item {
    background: #fff;
    border: 1px solid #f1f5f9;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.welfare-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
    border-color: var(--primary);
}

.welfare-icon {
    width: 60px;
    height: 60px;
    background: #f0f9ff;
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 15px;
    transition: 0.3s;
}

.welfare-item:hover .welfare-icon {
    background: var(--primary);
    color: white;
}

.welfare-label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 15px;
}

/* 移动端适配 */
@media (max-width: 992px) {
    .job-header-flex {
        flex-direction: column;
        gap: 20px;
    }

    .job-header-side {
        text-align: left;
        width: 100%;
        border-top: 1px solid #e2e8f0;
        padding-top: 20px;
    }

    .job-header-main h1 {
        font-size: 28px;
    }

    .job-detail-salary {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .btn-apply {
        width: 100%;
    }

    .welfare-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}