/* ============================================================
   公司网站 主样式
   深色科技风 / 半透明 header / 全屏轮播 / 响应式
   ============================================================ */

:root {
    --c-primary: #A80000;       /* 主色：RGB(168,0,0) */
    --c-accent: #C81616;        /* 强调色（主色稍亮） */
    --c-dark: #6e0000;          /* 深底（主色加深） */
    --c-text: #333;
    --c-text-light: #666;
    --c-border: #e5e5e5;
    --c-bg: #ffffff;
    --header-h: 72px;
    --maxw: 1280px;
    --shadow: 0 6px 24px rgba(0, 0, 0, .08);
    --transition: all .3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============== Header ============== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-h);
    z-index: 1000;
    background: rgba(110, 0, 0, .5);   /* 50% 透明 */
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: background .35s ease, box-shadow .35s ease;
    color: #fff;
}
.site-header.scrolled {
    background: rgba(110, 0, 0, .92);
    box-shadow: 0 2px 12px rgba(0, 0, 0, .25);
}
.header-inner {
    height: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.logo { display: flex; align-items: center; height: 100%; flex-shrink: 0; }
.logo img { height: 44px; width: auto; }
.logo-text {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
}

/* logo + 简称 容器：margin-right:auto 把导航推到右侧 */
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 100%;
    flex-shrink: 0;
    margin-right: auto;
}
.brand-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fff;
    white-space: nowrap;
}

.main-nav ul { display: flex; gap: 6px; }
.main-nav li a {
    display: block;
    padding: 8px 14px;
    font-size: 15px;
    color: rgba(255, 255, 255, .9);
    border-bottom: 2px solid transparent;
}
.main-nav li a:hover,
.main-nav li.active a {
    color: #fff;
    border-bottom-color: var(--c-accent);
}

.header-tools { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.tool-btn {
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
}
.tool-btn:hover { background: rgba(255, 255, 255, .15); }
.lang-btn { gap: 4px; font-weight: 600; width: auto; padding: 0 10px; }

/* 语言下拉 */
.lang-switch { position: relative; }
.lang-dropdown {
    position: absolute;
    top: 100%; right: 0;
    margin-top: 6px;
    background: #fff;
    color: var(--c-text);
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-width: 120px;
    overflow: hidden;
    opacity: 0; visibility: hidden;
    transform: translateY(-6px);
    transition: var(--transition);
}
.lang-dropdown.open { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-dropdown li a {
    display: block;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--c-text);
}
.lang-dropdown li a:hover { background: #faf2f2; }
.lang-dropdown li a.cur { color: var(--c-accent); font-weight: 600; }

/* 搜索浮层 */
.search-overlay {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: rgba(110, 0, 0, .95);
    padding: 28px 24px;
    display: none;
    z-index: 999;
}
.search-overlay.open { display: block; }
.search-form {
    max-width: var(--maxw);
    margin: 0 auto;
    display: flex; gap: 12px;
}
.search-form input {
    flex: 1;
    height: 52px;
    border: 1px solid rgba(255, 255, 255, .3);
    background: rgba(255, 255, 255, .1);
    color: #fff;
    border-radius: 6px;
    padding: 0 18px;
    font-size: 16px;
}
.search-form input::placeholder { color: rgba(255, 255, 255, .6); }
.search-form input:focus { outline: none; border-color: var(--c-accent); }
.search-form button {
    height: 52px;
    padding: 0 28px;
    border: none;
    background: var(--c-accent);
    color: #fff;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
}
.search-form button:hover { background: #8A0000; }

.menu-toggle { display: none; }
.mobile-nav-mask {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, .5);
    z-index: 998;
    display: none;
}
.mobile-nav-mask.open { display: block; }

/* ============== 全屏轮播 ============== */
.hero-carousel {
    position: relative;
    width: 100%;
    height: 100vh;           /* PC 端占满整个屏幕 */
    overflow: hidden;
    background: var(--c-dark);
}
.carousel-track {
    position: relative;
    width: 100%; height: 100%;
}
.carousel-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
}
.carousel-slide.active { opacity: 1; }
.carousel-slide::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, .55) 0%, rgba(0, 0, 0, .15) 60%, transparent 100%);
}
.slide-content {
    position: relative;
    z-index: 2;
    max-width: var(--maxw);
    margin: 0 auto;
    width: 100%;
    padding: 0 24px;
    color: #fff;
}
.slide-content h2 {
    font-size: 54px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 18px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, .4);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .8s ease .2s, transform .8s ease .2s;
}
.slide-content p {
    font-size: 30px;
    margin-bottom: 24px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, .4);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .8s ease .4s, transform .8s ease .4s;
}
/* 轮播特点列表 */
.slide-features {
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
}
.slide-features li {
    position: relative;
    padding-left: 22px;
    font-size: 18px;
    line-height: 1.9;
    text-shadow: 0 1px 6px rgba(0, 0, 0, .45);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .8s ease, transform .8s ease;
}
.slide-features li::before {
    content: "";
    position: absolute;
    left: 0; top: .7em;
    width: 8px; height: 8px;
    background: #fff;
    border-radius: 50%;
}
/* 依次淡入（最多5行） */
.carousel-slide.active .slide-content .slide-features li:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: .5s; }
.carousel-slide.active .slide-content .slide-features li:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: .6s; }
.carousel-slide.active .slide-content .slide-features li:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: .7s; }
.carousel-slide.active .slide-content .slide-features li:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: .8s; }
.carousel-slide.active .slide-content .slide-features li:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: .9s; }
.carousel-slide.active .slide-content h2,
.carousel-slide.active .slide-content p { opacity: 1; transform: translateY(0); }
.slide-btn {
    display: inline-block;
    padding: 12px 34px;
    border: 2px solid #fff;
    color: #fff;
    border-radius: 4px;
    font-size: 15px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .8s ease .6s, transform .8s ease .6s, background .3s, color .3s;
}
.carousel-slide.active .slide-btn { opacity: 1; transform: translateY(0); }
.slide-btn:hover { background: #fff; color: var(--c-primary); }

/* 轮播箭头 + 指示点 */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 48px; height: 48px;
    background: rgba(0, 0, 0, .3);
    border: 1px solid rgba(255, 255, 255, .4);
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}
.carousel-arrow:hover { background: rgba(0, 0, 0, .55); }
.carousel-arrow.prev { left: 24px; }
.carousel-arrow.next { right: 24px; }
.carousel-dots {
    position: absolute;
    bottom: 30px; left: 0; right: 0;
    z-index: 5;
    display: flex; justify-content: center; gap: 10px;
}
.carousel-dots button {
    width: 12px; height: 12px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, .5);
    cursor: pointer;
    transition: var(--transition);
}
.carousel-dots button.active { background: #fff; width: 32px; border-radius: 6px; }

/* 向下滚动提示 */
.scroll-hint {
    position: absolute;
    bottom: 16px; left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    color: rgba(255, 255, 255, .8);
    font-size: 12px;
    text-align: center;
    animation: bob 1.8s infinite;
}
@keyframes bob {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 8px); }
}

/* ============== 通用 section ============== */
.section {
    padding: 80px 0;
}
.section-head {
    text-align: center;
    margin-bottom: 50px;
}
.section-head h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 10px;
}
.section-head .sub-en {
    display: block;
    font-size: 14px;
    color: var(--c-text-light);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.section-head .head-line {
    width: 50px; height: 3px;
    background: var(--c-accent);
    margin: 0 auto;
}

/* ============== 产品中心 ============== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}
.product-card {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: transparent;
}
.product-card .pc-img {
    aspect-ratio: 4 / 3;
    background: #f2f4f7;
    overflow: hidden;
}
.product-card .pc-img img {
    width: 100%; height: 100%; object-fit: contain;
    transition: transform .5s ease;
}
.product-card:hover .pc-img img { transform: scale(1.06); }
.product-card .pc-body { padding: 18px 20px 24px; }
.product-card .pc-model {
    font-size: 12px;
    color: var(--c-accent);
    letter-spacing: 1px;
    margin-bottom: 4px;
}
.product-card .pc-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--c-dark);
    margin-bottom: 8px;
}
.product-card .pc-summary {
    font-size: 13px;
    color: var(--c-text-light);
    margin-bottom: 14px;
    min-height: 40px;
}
.product-card .pc-more {
    font-size: 13px;
    color: var(--c-accent);
    font-weight: 600;
}
.product-card .pc-more::after { content: " →"; }

/* ============== 关于我们（左图右文） ============== */
.about-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-img { border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.about-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.about-text h3 { font-size: 28px; color: var(--c-dark); margin-bottom: 18px; }
.about-text .about-sub { color: var(--c-accent); letter-spacing: 2px; font-size: 13px; margin-bottom: 16px; }
.about-text p { color: var(--c-text-light); margin-bottom: 16px; line-height: 1.9; }
.more-btn {
    display: inline-block;
    margin-top: 8px;
    padding: 10px 28px;
    background: var(--c-accent);
    color: #fff;
    border-radius: 4px;
    font-size: 14px;
}
.more-btn:hover { background: var(--c-primary); }

/* ============== 资讯中心 ============== */
.section-news { background: #faf6f6; }
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.news-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--c-border);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.news-card .nc-img { aspect-ratio: 16/9; overflow: hidden; background: #f3eded; }
.news-card .nc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card:hover .nc-img img { transform: scale(1.06); }
.news-card .nc-body { padding: 18px 20px 24px; }
.news-card .nc-date { font-size: 12px; color: var(--c-accent); margin-bottom: 8px; }
.news-card .nc-title {
    font-size: 16px; font-weight: 600; color: var(--c-dark);
    margin-bottom: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.news-card .nc-summary {
    font-size: 13px; color: var(--c-text-light);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

/* ============== 服务与支持 / 招贤纳士 双栏 ============== */
.dual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}
.dual-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    min-height: 300px;
    display: flex;
    align-items: flex-end;
    color: #fff;
    background: var(--c-primary);
}
.dual-card .dc-bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    transition: transform .6s ease;
}
.dual-card::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(110, 0, 0, .92) 0%, rgba(110, 0, 0, .3) 60%, rgba(110, 0, 0, .1) 100%);
}
.dual-card:hover .dc-bg { transform: scale(1.06); }
.dual-card .dc-body { position: relative; z-index: 2; padding: 32px; }
.dual-card .dc-body h3 { font-size: 24px; margin-bottom: 8px; }
.dual-card .dc-body .dc-sub { font-size: 13px; letter-spacing: 2px; opacity: .8; margin-bottom: 14px; }
.dual-card .dc-body p { font-size: 14px; opacity: .9; margin-bottom: 18px; }
.dual-card .dc-more {
    display: inline-block;
    padding: 8px 22px;
    border: 1px solid rgba(255, 255, 255, .6);
    border-radius: 4px;
    font-size: 13px;
}
.dual-card .dc-more:hover { background: #fff; color: var(--c-primary); }

/* ============== 半透明快捷入口条（Footer 之上） ============== */
.quick-bar {
    background: rgba(110, 0, 0, .5);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 40px 0;
}
.quick-bar-inner {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}
.quick-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: #fff;
    padding: 16px 8px;
    border-radius: 8px;
    transition: var(--transition);
}
.quick-item:hover {
    background: rgba(255, 255, 255, .1);
    transform: translateY(-4px);
}
.quick-icon {
    width: 60px; height: 60px;
    border-radius: 50%;
    background: rgba(168, 0, 0, .25);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    transition: var(--transition);
}
.quick-item:hover .quick-icon { background: var(--c-accent); }
.quick-title { font-size: 14px; }

/* ============== Footer ============== */
.site-footer {
    background: rgb(83, 0, 0);
    color: rgba(255, 255, 255, .75);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-col h3, .footer-col h4 {
    color: #fff;
    margin-bottom: 18px;
    font-size: 16px;
    font-weight: 600;
}
.footer-logo { font-size: 22px; font-weight: 700; color: #fff; letter-spacing: 2px; }
.footer-desc { margin-bottom: 16px; font-size: 14px; }
.footer-contact li { font-size: 13px; margin-bottom: 8px; }
.footer-contact .fc-label { color: #fff; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 13px; color: rgba(255, 255, 255, .65); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
/* 关注我们 - 多二维码 */
.footer-qrs {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.footer-qr-img {
    width: 150px; height: 150px;
    object-fit: contain;
    background: #fff;
    border-radius: 8px;
    padding: 6px;
    transition: var(--transition);
}
.footer-qr-item:hover .footer-qr-img { transform: translateY(-3px); }
.footer-qr-title {
    font-size: 12px;
    color: rgba(255, 255, 255, .75);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 18px 0;
    font-size: 13px;
}
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ============== 通用占位页 ============== */
.page-wrap {
    padding-top: calc(var(--header-h) + 60px);
    min-height: 70vh;
}
.page-wrap .container { text-align: center; }
.page-wrap h1 { font-size: 32px; color: var(--c-dark); margin-bottom: 16px; }
.page-wrap p { color: var(--c-text-light); }

/* ============== 响应式：平板 ============== */
@media (max-width: 1024px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .quick-bar-inner { grid-template-columns: repeat(3, 1fr); }
    .slide-content h2 { font-size: 40px; }
    .slide-content p { font-size: 24px; }
    .slide-features li { font-size: 16px; }
}

/* ============== 响应式：手机 ============== */
@media (max-width: 768px) {
    :root { --header-h: 60px; }

    /* 手机端隐藏公司简称，仅留 logo 避免拥挤 */
    .brand-name { display: none; }

    /* 汉堡菜单 */
    .menu-toggle { display: flex; }
    .main-nav {
        position: fixed;
        top: var(--header-h); right: -100%;
        width: 80%; max-width: 320px;
        height: calc(100vh - var(--header-h));
        background: rgba(110, 0, 0, .97);
        padding: 24px;
        transition: right .35s ease;
        z-index: 999;
        overflow-y: auto;
    }
    .main-nav.open { right: 0; }
    .main-nav ul { flex-direction: column; gap: 0; }
    .main-nav li a { padding: 14px 8px; border-bottom: 1px solid rgba(255, 255, 255, .1); font-size: 16px; }

    /* 轮播：手机端可适当缩高，但仍占满首屏 */
    .hero-carousel { height: 100vh; }
    .slide-content h2 { font-size: 28px; }
    .slide-content p { font-size: 18px; }
    .slide-features li { font-size: 14px; line-height: 1.7; }
    .carousel-arrow { width: 38px; height: 38px; }
    .carousel-arrow.prev { left: 10px; }
    .carousel-arrow.next { right: 10px; }

    .section { padding: 50px 0; }
    .section-head h2 { font-size: 26px; }
    .product-grid { grid-template-columns: 1fr; }
    .about-wrap { grid-template-columns: 1fr; gap: 30px; }
    .news-grid { grid-template-columns: 1fr; }
    .dual-grid { grid-template-columns: 1fr; }
    .quick-bar-inner { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .quick-title { font-size: 12px; }
    .quick-icon { width: 48px; height: 48px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom .container { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .quick-bar-inner { grid-template-columns: repeat(2, 1fr); }
    .logo-text { font-size: 20px; }
}

/* ============================================================
   产品中心 - 列表页 / 详情页 / 多图轮播 / 富文本排版
   ============================================================ */

/* 面包屑 */
.breadcrumb {
    font-size: 13px;
    color: #999;
    padding: 16px 0;
    margin-bottom: 8px;
}
.breadcrumb a { color: #666; }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb .sep { margin: 0 8px; color: #ccc; }
.breadcrumb .cur { color: var(--c-accent); }

/* 分类筛选条 */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 36px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--c-border);
}
.filter-tag {
    padding: 7px 20px;
    border: 1px solid var(--c-border);
    border-radius: 20px;
    font-size: 14px;
    color: #555;
    background: #fff;
}
.filter-tag:hover { border-color: var(--c-accent); color: var(--c-accent); }
.filter-tag.active {
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
}

/* 详情页：顶部图文左右布局 */
.product-detail-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 50px;
    align-items: start;
    margin-top: 20px;
}

/* 多图轮播 */
.gallery { width: 100%; }
.gallery-main {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #f7f7f7;
    border: 1px solid var(--c-border);
    border-radius: 8px;
    overflow: hidden;
}
.gallery-track {
    position: relative;
    width: 100%; height: 100%;
}
.gallery-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity .4s ease;
}
.gallery-slide.active { opacity: 1; }
.gallery-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 40px; height: 40px;
    background: rgba(0, 0, 0, .35);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}
.gallery-arrow:hover { background: rgba(0, 0, 0, .6); }
.gallery-arrow.prev { left: 10px; }
.gallery-arrow.next { right: 10px; }
/* 缩略图 */
.gallery-thumbs {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    flex-wrap: wrap;
}
.gallery-thumb {
    width: 64px; height: 64px;
    border: 2px solid var(--c-border);
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    background: #f7f7f7;
    padding: 0;
    flex-shrink: 0;
}
.gallery-thumb img { width: 100%; height: 100%; object-fit: contain; }
.gallery-thumb.active { border-color: var(--c-accent); }

/* 右侧产品信息 */
.product-info { padding-top: 8px; }
.product-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}
.product-cat {
    display: inline-block;
    padding: 3px 12px;
    background: rgba(168, 0, 0, .1);
    color: var(--c-primary);
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 20px;
}
.product-meta {
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
    padding: 12px 0;
    margin-bottom: 20px;
}
.product-meta > div {
    display: flex;
    padding: 6px 0;
    font-size: 14px;
}
.product-meta dt {
    width: 80px;
    color: #999;
    flex-shrink: 0;
}
.product-meta dd { color: #333; }
.product-summary { margin-bottom: 24px; }
.product-summary h3 {
    font-size: 20px;
    color: var(--c-dark);
    margin-bottom: 8px;
}
.summary-body {
    font-size: 18px;
    color: #666;
    line-height: 1.9;
    text-align: left;
}
.summary-body ul {
    margin: 8px 0;
    padding-left: 1.6em;
    list-style: disc;
}
.summary-body ul li {
    margin: 4px 0;
    color: #555;
}
}

/* 富文本正文排版 */
.rich-text {
    font-size: 15px;
    line-height: 1.9;
    color: #444;
    max-width: 100%;
    overflow-x: auto;
}
.rich-text h1, .rich-text h2, .rich-text h3, .rich-text h4 {
    color: var(--c-dark);
    margin: 1.4em 0 .7em;
    line-height: 1.4;
}
.rich-text h2 { font-size: 22px; padding-bottom: .3em; border-bottom: 1px solid var(--c-border); }
.rich-text h3 { font-size: 18px; }
.rich-text p { margin: .8em 0; }
.rich-text img { max-width: 100%; height: auto; border-radius: 4px; margin: 12px 0; }
.rich-text table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}
.rich-text table td, .rich-text table th {
    border: 1px solid #d0d0d0;
    padding: 8px 12px;
    text-align: left;
}
.rich-text table th { background: #f7f7f7; font-weight: 600; }
.rich-text table tr:nth-child(even) td { background: #fafafa; }
.rich-text ul, .rich-text ol { margin: .8em 0; padding-left: 1.8em; }
.rich-text li { margin: .3em 0; }
.rich-text a { color: var(--c-accent); text-decoration: underline; }
.rich-text iframe, .rich-text video, .rich-text .mce-object { max-width: 100%; }
.rich-text blockquote {
    border-left: 4px solid var(--c-accent);
    padding: 8px 16px;
    margin: 1em 0;
    background: #fafafa;
    color: #666;
}
.rich-text hr { border: none; border-top: 1px solid var(--c-border); margin: 1.5em 0; }

/* ============================================================
   服务支持页
   ============================================================ */
.support-block { margin-bottom: 50px; }
.support-block-title {
    font-size: 22px;
    color: var(--c-dark);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--c-accent);
    display: inline-block;
}
.support-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border: 1px solid var(--c-border);
    border-radius: 8px;
    overflow: hidden;
}
.support-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    border-bottom: 1px solid var(--c-border);
    transition: background .2s ease;
}
.support-item:last-child { border-bottom: none; }
.support-item:hover { background: #faf6f6; }
.support-item-main { display: flex; flex-direction: column; gap: 4px; }
.support-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--c-dark);
}
.support-desc {
    font-size: 13px;
    color: var(--c-text-light);
}
.support-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    padding: 8px 18px;
    border: 1px solid var(--c-accent);
    border-radius: 4px;
    color: var(--c-accent);
    font-size: 13px;
    font-weight: 600;
}
.support-link:hover { background: var(--c-accent); color: #fff; }
.support-link.video-link { border-color: #2e7d32; color: #2e7d32; }
.support-link.video-link:hover { background: #2e7d32; color: #fff; }
.support-empty {
    color: #999;
    text-align: center;
    padding: 40px 0;
    border: 1px dashed var(--c-border);
    border-radius: 8px;
}

/* ============================================================
   资讯中心 - 列表页 / 详情页
   ============================================================ */
.news-list { display: flex; flex-direction: column; gap: 24px; }
.news-list-item {
    display: flex;
    gap: 24px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}
.news-list-item:hover {
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}
.news-list-item .nli-img {
    flex-shrink: 0;
    width: 240px;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: #f7f7f7;
}
.news-list-item .nli-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .5s ease;
}
.news-list-item:hover .nli-img img { transform: scale(1.05); }
.news-list-item .nli-body { padding: 20px 24px 20px 0; flex: 1; min-width: 0; }
.news-list-item .nli-date {
    font-size: 13px;
    color: var(--c-accent);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.news-list-item .nli-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--c-dark);
    margin-bottom: 8px;
    line-height: 1.4;
}
.news-list-item .nli-summary {
    font-size: 14px;
    color: var(--c-text-light);
    line-height: 1.7;
    margin-bottom: 12px;
}
.news-list-item .nli-more {
    font-size: 13px;
    color: var(--c-accent);
    font-weight: 600;
}
.nli-top {
    display: inline-block;
    background: var(--c-primary);
    color: #fff;
    font-size: 11px;
    padding: 1px 8px;
    border-radius: 10px;
    font-weight: 600;
}

/* 详情页 */
.news-article { margin-top: 20px; }
.article-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--c-dark);
    line-height: 1.3;
    margin-bottom: 14px;
}
.article-meta {
    font-size: 14px;
    color: #999;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.article-summary {
    background: #faf6f6;
    border-left: 3px solid var(--c-accent);
    padding: 14px 18px;
    margin: 20px 0;
    font-size: 15px;
    color: #555;
    line-height: 1.8;
    border-radius: 0 4px 4px 0;
}
/* 上一篇/下一篇 */
.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--c-border);
}
.article-nav .an-prev,
.article-nav .an-next { flex: 1; min-width: 0; }
.article-nav .an-next { text-align: right; }
.article-nav .an-label {
    display: block;
    font-size: 13px;
    color: #999;
    margin-bottom: 4px;
}
.article-nav a {
    display: inline-block;
    font-size: 15px;
    color: var(--c-dark);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}
.article-nav a:hover { color: var(--c-accent); }

/* ============================================================
   搜索结果页
   ============================================================ */
.search-page-form {
    display: flex;
    gap: 10px;
    margin: 24px 0;
}
.search-page-form input {
    flex: 1;
    height: 48px;
    border: 1px solid var(--c-border);
    border-radius: 6px;
    padding: 0 16px;
    font-size: 15px;
}
.search-page-form input:focus { outline: none; border-color: var(--c-accent); }
.search-page-form button {
    height: 48px;
    padding: 0 28px;
    background: var(--c-primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
    flex-shrink: 0;
}
.search-page-form button:hover { background: var(--c-dark); }
.search-count {
    font-size: 15px;
    color: #555;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--c-border);
}
.search-kw { color: var(--c-accent); font-weight: 600; }
.search-hint {
    text-align: center;
    color: #999;
    padding: 50px 0;
    font-size: 15px;
}
.search-results { display: flex; flex-direction: column; gap: 14px; }
.search-result-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 22px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 8px;
    transition: var(--transition);
}
.search-result-item:hover {
    box-shadow: var(--shadow);
    border-color: var(--c-accent);
    transform: translateX(3px);
}
.sr-type {
    flex-shrink: 0;
    background: rgba(168, 0, 0, .1);
    color: var(--c-primary);
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 600;
}
.sr-main { flex: 1; min-width: 0; }
.sr-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--c-dark);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.search-result-item:hover .sr-title { color: var(--c-accent); }
.sr-summary {
    font-size: 13px;
    color: var(--c-text-light);
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.sr-arrow {
    flex-shrink: 0;
    color: var(--c-accent);
    font-size: 18px;
}

@media (max-width: 768px) {
    .search-page-form { flex-direction: column; }
    .search-result-item { flex-direction: column; align-items: flex-start; gap: 8px; }
}
@media (max-width: 768px) {
    .news-list-item { flex-direction: column; }
    .news-list-item .nli-img { width: 100%; }
    .news-list-item .nli-body { padding: 18px 20px 20px; }
    .article-title { font-size: 22px; }
    .article-nav { flex-direction: column; }
    .article-nav .an-next { text-align: left; }
}

@media (max-width: 768px) {
    .product-detail-top { grid-template-columns: 1fr; gap: 24px; }
    .product-title { font-size: 22px; }
    .filter-bar { gap: 8px; }
    .filter-tag { padding: 6px 14px; font-size: 13px; }
}

/* ============== 联系我们页 ============== */
.contact-wrap {
    max-width: 760px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 10px;
    padding: 44px 48px;
    box-shadow: var(--shadow);
}
.contact-company {
    font-size: 24px;
    font-weight: 700;
    color: var(--c-dark);
    margin-bottom: 28px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--c-border);
}
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 16px 0;
}
.contact-item + .contact-item { border-top: 1px dashed var(--c-border); }
.ci-icon {
    flex-shrink: 0;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: rgba(168, 0, 0, .1);
    color: var(--c-accent);
    display: flex; align-items: center; justify-content: center;
}
.ci-main { display: flex; flex-direction: column; gap: 4px; padding-top: 2px; }
.ci-label { font-size: 12px; letter-spacing: 1px; color: var(--c-text-light); text-transform: uppercase; }
.ci-value { font-size: 16px; color: var(--c-dark); line-height: 1.5; }
.ci-value a { color: var(--c-dark); transition: var(--transition); }
.ci-value a:hover { color: var(--c-accent); }
.contact-map-btn { margin-top: 32px; }
.contact-rich { margin-bottom: 40px; }
.contact-banner { margin: 30px 0; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.contact-banner img { width: 100%; display: block; max-height: 360px; object-fit: cover; }

/* ============== 员工名片 ============== */
.staff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.staff-card {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 10px;
    padding: 30px 24px;
    text-align: center;
    transition: var(--transition);
}
.staff-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: transparent;
}
.staff-avatar {
    width: 72px; height: 72px;
    border-radius: 50%;
    margin: 0 auto 14px;
    background: rgba(168, 0, 0, .1);
    color: var(--c-accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; font-weight: 600;
    overflow: hidden;
}
.staff-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.staff-name { font-size: 18px; font-weight: 600; color: var(--c-dark); margin-bottom: 4px; }
.staff-position { font-size: 13px; color: var(--c-accent); margin-bottom: 14px; }
.staff-meta { font-size: 13px; color: var(--c-text-light); line-height: 1.9; }
.staff-meta .smi { display: flex; align-items: center; justify-content: center; gap: 7px; }
.staff-meta a { color: inherit; transition: var(--transition); }
.staff-meta a:hover { color: var(--c-accent); }

/* 页末独立地图按钮 */
.contact-map-bottom { text-align: center; margin-top: 50px; }

@media (max-width: 992px) { .staff-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .staff-grid { grid-template-columns: 1fr; } }

@media (max-width: 560px) {
    .contact-wrap { padding: 28px 20px; }
    .contact-company { font-size: 20px; }
}