/* ===== 胜途电子新版网站样式（现代化工业设计） ===== */
:root {
    --primary: #0b4f8a;
    --primary-dark: #083a66;
    --primary-light: #1270c4;
    --accent: #f5a623;
    --text: #2c3e50;
    --text-light: #6b7c8d;
    --bg: #f5f7fa;
    --white: #fff;
    --border: #e3e9ef;
    --shadow: 0 2px 12px rgba(11, 79, 138, .08);
    --radius: 8px;
}

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

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
    font-size: 15px;
}

a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ===== 顶部信息条 ===== */
.topbar { background: var(--primary-dark); color: rgba(255,255,255,.85); font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.topbar-contact { display: flex; gap: 20px; }

/* ===== 头部 ===== */
.header { background: var(--white); padding: 18px 0; border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.brand-logo { height: 58px; width: auto; }
.brand-text strong { display: block; font-size: 21px; color: var(--primary-dark); letter-spacing: 1px; }
.brand-text small { color: var(--text-light); font-size: 12px; }
.search-box { margin-left: auto; display: flex; height: 40px; max-width: 380px; width: 100%; }
.search-box input {
    flex: 1; border: 2px solid var(--primary); border-right: 0; border-radius: var(--radius) 0 0 var(--radius);
    padding: 0 14px; font-size: 14px; outline: none;
}
.search-box button {
    background: var(--primary); color: #fff; border: 0; border-radius: 0 var(--radius) var(--radius) 0;
    padding: 0 20px; cursor: pointer; font-size: 14px;
}
.search-box button:hover { background: var(--primary-light); }
.nav-toggle { display: none; background: none; border: 0; font-size: 26px; color: var(--primary); cursor: pointer; }

/* ===== 主导航 ===== */
.mainnav { background: var(--primary); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 8px rgba(0,0,0,.12); }
.nav-list { display: flex; }
.nav-list a {
    display: block; color: #fff; padding: 14px 30px; font-size: 16px; letter-spacing: 2px;
    transition: background .2s;
}
.nav-list a:hover { background: var(--primary-light); color: #fff; }
.nav-list a.active { background: var(--primary-dark); box-shadow: inset 0 -3px 0 var(--accent); }

/* ===== 导航下拉菜单（悬停自动展开，左侧图文介绍） ===== */
.nav-list li.has-sub { position: relative; }
.nav-list .caret { font-size: 11px; margin-left: 5px; opacity: .75; }
.sub-menu {
    position: absolute; top: 100%; left: 0; z-index: 300;
    display: flex; align-items: stretch; gap: 0;
    min-width: 680px; padding: 0;
    background: #fff; border-top: 3px solid var(--accent);
    border-radius: 0 0 8px 8px; box-shadow: 0 12px 30px rgba(0,0,0,.20);
    opacity: 0; visibility: hidden; transition: opacity .18s ease, visibility .18s;
    overflow: hidden;
}
.nav-list li.has-sub:hover > .sub-menu { opacity: 1; visibility: visible; }
.sub-preview {
    width: 250px; flex: 0 0 250px; padding: 16px;
    background: linear-gradient(180deg, #f4f8fb, #eaf1f7); border-right: 1px solid var(--border);
}
.sub-preview .sp-img { width: 100%; height: 118px; object-fit: contain; background: #fff; border-radius: 8px; border: 1px solid var(--border); }
.sub-preview .sp-name { display: block; margin-top: 10px; color: var(--primary-dark); font-size: 15px; }
.sub-preview .sp-series { display: block; margin-top: 2px; color: var(--accent); font-size: 12px; }
.sub-preview .sp-desc { margin: 8px 0 0; color: #607589; font-size: 12.5px; line-height: 1.7; }
.sub-links { flex: 1; padding: 10px 12px; }
.sub-links > ul { display: grid; grid-template-columns: 1fr 1fr; gap: 0 8px; list-style: none; margin: 0; padding: 0; }
.sub-menu li a {
    color: #2b3a45; padding: 9px 14px; font-size: 14px; letter-spacing: 0;
    border-radius: 4px; white-space: nowrap;
}
.sub-menu li a:hover { background: #eef4fa; color: var(--primary); }

/* ===== 轮播 ===== */
.hero { position: relative; background: var(--primary-dark); overflow: hidden; }
.slides { position: relative; height: 430px; }
.slide {
    position: absolute; inset: 0; opacity: 0; transition: opacity .8s ease;
    background-size: cover; background-position: center;
}
.slide.active { opacity: 1; }
.slide::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(8,58,102,.94) 0%, rgba(8,58,102,.72) 52%, rgba(8,58,102,.28) 100%);
}
.hero-grid {
    position: relative; z-index: 2; height: 100%;
    display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
    align-items: center; gap: 44px;
}
.slide-content { color: #fff; max-width: 640px; }
.slide-content h2 { font-size: 38px; margin-bottom: 14px; letter-spacing: 2px; text-shadow: 0 2px 8px rgba(0,0,0,.3); }
.slide-content p { font-size: 17px; color: rgba(255,255,255,.9); margin-bottom: 26px; }
.slide-media { display: flex; align-items: center; justify-content: center; min-width: 0; padding: 18px; border-radius: 14px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); box-shadow: 0 14px 34px rgba(0,0,0,.18); }
.slide-img { display: block; max-height: 300px; max-width: 100%; object-fit: contain; filter: drop-shadow(0 8px 24px rgba(0,0,0,.4)); }
.btn {
    display: inline-block; padding: 12px 34px; border-radius: 50px; font-size: 15px; letter-spacing: 2px;
    background: var(--accent); color: #fff !important; transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(245,166,35,.4); }
.btn-outline { background: transparent; border: 2px solid #fff; }
.slide-dots { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 5; }
.slide-dots button { width: 32px; height: 4px; border: 0; background: rgba(255,255,255,.4); cursor: pointer; border-radius: 2px; }
.slide-dots button.active { background: var(--accent); }

/* ===== 区块 ===== */
.section { padding: 56px 0; }
.section-gray { background: var(--bg); }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h2 { font-size: 28px; color: var(--primary-dark); letter-spacing: 4px; }
.section-title .en { color: var(--text-light); font-size: 13px; letter-spacing: 3px; text-transform: uppercase; }
.section-title::after { content: ""; display: block; width: 60px; height: 3px; background: var(--accent); margin: 14px auto 0; }

/* ===== 产品分类卡片 ===== */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cat-card {
    background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
    transition: transform .25s, box-shadow .25s; display: flex; flex-direction: column;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: 0 10px 28px rgba(11,79,138,.16); }
.cat-card-img { height: 190px; display: flex; align-items: center; justify-content: center; background: #fff; padding: 14px; }
.cat-card-img img { max-height: 100%; object-fit: contain; }
.cat-card-body { padding: 14px 16px; border-top: 1px solid var(--border); text-align: center; }
.cat-card-body h3 { font-size: 15.5px; color: var(--text); font-weight: 600; }
.cat-card-body .series { color: var(--text-light); font-size: 12.5px; }
.cat-card { position: relative; overflow: hidden; }
.cat-tip {
    position: absolute; left: 10px; right: 10px; bottom: 10px; z-index: 3;
    background: rgba(8, 58, 102, .94); color: #fff; border-radius: 8px; padding: 10px 12px;
    opacity: 0; transform: translateY(8px); pointer-events: none;
    transition: opacity .2s ease, transform .2s ease; box-shadow: 0 8px 22px rgba(0,0,0,.22);
}
.cat-tip strong { display: block; font-size: 13.5px; margin-bottom: 4px; color: #ffd27a; }
.cat-tip p { margin: 0; font-size: 12px; line-height: 1.6; color: rgba(255,255,255,.92); }
.cat-card:hover .cat-tip { opacity: 1; transform: translateY(0); }

/* ===== 首页简介/新闻 ===== */
.home-split { display: grid; grid-template-columns: 1.6fr 1fr; gap: 36px; }
.intro-block h2, .news-block h2 { font-size: 22px; color: var(--primary-dark); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--border); position: relative; }
.intro-block h2::after, .news-block h2::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 72px; height: 2px; background: var(--accent); }
.news-list li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: 14.5px; }
.news-list li a { color: var(--text); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-list li a:hover { color: var(--primary); }
.news-list .date { color: var(--text-light); font-size: 13px; flex-shrink: 0; }
.more-link { display: inline-block; margin-top: 16px; font-size: 14px; }

/* ===== 底部联系条 ===== */
.contact-strip { background: var(--primary-dark); color: #fff; padding: 34px 0; }
.contact-strip-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.contact-strip h3 { font-size: 22px; margin-bottom: 4px; }
.contact-strip .phone-big { font-size: 28px; font-weight: 700; color: var(--accent); }

/* ===== 页脚 ===== */
.footer { background: #12314e; color: rgba(255,255,255,.75); font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1.2fr 1fr 1fr; gap: 32px; padding: 44px 16px; }
.footer-logo { height: 44px; margin-bottom: 12px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.footer ul li { padding: 4px 0; }
.footer a { color: rgba(255,255,255,.75); }
.footer a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 16px 0; text-align: center; font-size: 13px; }

/* ===== 内页布局 ===== */
.page-banner {
    background: linear-gradient(120deg, var(--primary-dark), var(--primary-light));
    color: #fff; padding: 44px 0;
}
.page-banner h1 { font-size: 30px; letter-spacing: 4px; }
.page-banner .crumb { margin-top: 8px; font-size: 13.5px; opacity: .85; }
.page-banner .crumb a { color: #fff; }

.page-body { padding: 44px 0; }
.with-sidebar { display: grid; grid-template-columns: 260px 1fr; gap: 32px; align-items: start; }

/* 侧栏 */
.sidebar-box { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 22px; box-shadow: var(--shadow); }
.sidebar-box h3 { background: var(--primary); color: #fff; padding: 12px 16px; font-size: 15.5px; letter-spacing: 2px; }
.sidebar-box .box-body { padding: 8px 0; }
.sidebar-box .box-body li a {
    display: block; padding: 10px 16px; color: var(--text); font-size: 14px; border-left: 3px solid transparent;
}
.sidebar-box .box-body li a:hover, .sidebar-box .box-body li a.active {
    background: var(--bg); color: var(--primary); border-left-color: var(--accent);
}
.sidebar-contact { padding: 16px; font-size: 14px; }
.sidebar-contact p { margin-bottom: 8px; }
.sidebar-contact strong { color: var(--primary-dark); }

/* 富文本内容（兼容原站 HTML） */
.rich-content { font-size: 15px; line-height: 1.9; }
.rich-content img { max-width: 100%; height: auto; }
.rich-content table { border-collapse: collapse; max-width: 100%; margin: 12px 0; }
.rich-content table td, .rich-content table th { border: 1px solid var(--border); padding: 6px 10px; }
.rich-content h3 { color: var(--primary-dark); margin: 24px 0 10px; font-size: 18px; }
.rich-content p { margin: 8px 0; }

/* 规格参数表 */
.spec-table { width: 100%; border-collapse: collapse; margin: 20px 0; background: #fff; box-shadow: var(--shadow); font-size: 14px; }
.spec-table th { background: var(--primary); color: #fff; padding: 12px 10px; font-weight: 500; white-space: nowrap; }
.spec-table td { border: 1px solid var(--border); padding: 10px; text-align: center; vertical-align: middle; }
.spec-table tr:nth-child(even) td { background: #f8fafc; }
.spec-table tr:hover td { background: #eef5fb; }
.spec-table .model-name { font-weight: 600; color: var(--primary-dark); white-space: nowrap; }
.spec-table img { max-width: 110px; max-height: 90px; }
.spec-table .spec-file { font-size: 13px; }

/* 特点/应用列表 */
.pill-section { margin: 28px 0; }
.pill-section h3 { color: var(--primary-dark); font-size: 19px; margin-bottom: 14px; padding-left: 12px; border-left: 4px solid var(--accent); }
.pill-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; }
.pill-list li { padding: 10px 14px; background: var(--bg); border-radius: var(--radius); font-size: 14.5px; position: relative; padding-left: 28px; }
.pill-list li::before { content: "●"; color: var(--primary-light); position: absolute; left: 12px; font-size: 10px; top: 14px; }

/* 新闻 */
.news-filter { display: flex; gap: 12px; margin-bottom: 26px; flex-wrap: wrap; }
.news-filter a { padding: 8px 22px; border-radius: 50px; background: var(--bg); color: var(--text); font-size: 14px; }
.news-filter a.active, .news-filter a:hover { background: var(--primary); color: #fff; }
.news-cards { display: grid; gap: 18px; }
.news-card { display: flex; gap: 20px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; transition: box-shadow .2s; }
.news-card:hover { box-shadow: var(--shadow); }
.news-date { flex-shrink: 0; width: 78px; text-align: center; background: var(--bg); border-radius: var(--radius); padding: 10px 0; align-self: flex-start; }
.news-date .day { font-size: 26px; font-weight: 700; color: var(--primary); display: block; line-height: 1.2; }
.news-date .ym { font-size: 12px; color: var(--text-light); }
.news-card-body h3 { font-size: 17px; margin-bottom: 6px; }
.news-card-body h3 a { color: var(--text); }
.news-card-body h3 a:hover { color: var(--primary); }
.news-card-body .tag { display: inline-block; font-size: 12px; background: #e8f1f9; color: var(--primary); border-radius: 4px; padding: 2px 10px; margin-bottom: 8px; }
.news-card-body p { color: var(--text-light); font-size: 14px; }
.article-head { border-bottom: 1px solid var(--border); padding-bottom: 18px; margin-bottom: 24px; text-align: center; }
.article-head h1 { font-size: 24px; color: var(--primary-dark); margin-bottom: 12px; }
.article-meta { color: var(--text-light); font-size: 13.5px; }
.article-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--border); font-size: 14px; }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 36px; }
.pagination a, .pagination span { padding: 8px 15px; border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 14px; }
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 联系卡片 */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 36px; }
.contact-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.contact-card h3 { color: var(--primary); font-size: 17px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--accent); display: inline-block; }
.contact-card p { font-size: 14.5px; margin: 6px 0; }
.contact-card p strong { color: var(--primary-dark); display: inline-block; min-width: 56px; }

/* 搜索结果 */
.search-result-item { display: flex; gap: 18px; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; background: #fff; align-items: center; }
.search-result-item img { width: 110px; height: 90px; object-fit: contain; }
.search-result-item .info h3 { font-size: 16.5px; color: var(--primary-dark); }
.search-result-item .info p { font-size: 13.5px; color: var(--text-light); }

.empty-tip { text-align: center; color: var(--text-light); padding: 60px 0; font-size: 15px; }

/* ===== 本页二维码（右侧常驻，悬停高亮） ===== */
.page-qr {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%) translateX(6px);
    background: #fff;
    border-radius: 10px 0 0 10px;
    box-shadow: -2px 2px 14px rgba(8, 58, 102, .18);
    padding: 10px 8px 7px 12px;
    z-index: 900;
    opacity: .3;
    transition: opacity .25s ease, transform .25s ease, box-shadow .25s ease;
    text-align: center;
    cursor: pointer;
}
.page-qr:hover {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
    box-shadow: -6px 6px 24px rgba(8, 58, 102, .3);
}
.page-qr .qr-img { display: block; width: 92px; height: 92px; }
.page-qr .qr-img img { width: 92px; height: 92px; display: block; }
.page-qr .qr-tip { display: block; font-size: 11px; color: var(--text-light); margin-top: 5px; letter-spacing: 1px; }

/* 返回顶部/底部 悬浮按钮（与二维码挂件同一设计语言） */
.page-float-btns {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%) translateX(6px);
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 120px; /* 避开二维码挂件 */
    z-index: 998;
}
.page-float-btns button {
    width: 44px;
    padding: 7px 0 5px;
    border: none;
    cursor: pointer;
    background: #fff;
    border-radius: 10px 0 0 10px;
    box-shadow: -2px 2px 14px rgba(8, 58, 102, .18);
    color: var(--primary);
    font-size: 13px;
    line-height: 1.2;
    opacity: .55;
    transition: all .25s;
}
.page-float-btns button span { display: block; font-size: 10px; color: var(--text-light); margin-top: 2px; }
.page-float-btns button:hover {
    opacity: 1;
    transform: translateX(-6px);
    box-shadow: -6px 6px 24px rgba(8, 58, 102, .3);
    background: var(--primary);
    color: #fff;
}
.page-float-btns button:hover span { color: rgba(255,255,255,.85); }
@media (max-width: 640px) {
    .page-float-btns button { width: 38px; font-size: 12px; }
}

/* 文章底部分享行 */
.article-share {
    margin: 28px 0 4px;
    padding: 12px 16px;
    background: #f5f8fb;
    border-radius: 8px;
    font-size: 14px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
.article-share .share-label { color: var(--text-light); }
.article-share a {
    color: var(--primary);
    text-decoration: none;
    padding: 3px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: #fff;
    transition: all .2s;
}
.article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.article-share .share-tip { color: #2e9e5b; font-size: 13px; margin-left: 4px; }
@media (max-width: 640px) {
    .page-qr .qr-img, .page-qr .qr-img img { width: 64px; height: 64px; }
    .page-qr .qr-tip { font-size: 10px; }
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .cat-grid { grid-template-columns: repeat(3, 1fr); }
    .home-split { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .with-sidebar { grid-template-columns: 1fr; }
    .hero-grid { grid-template-columns: 1fr; gap: 0; }
    .slide-media, .slide-img { display: none; }
    .slide-content { max-width: 100%; text-align: center; margin: 0 auto; }
}
@media (max-width: 640px) {
    .hide-sm { display: none; }
    .brand-text strong { font-size: 16px; }
    .search-box { display: none; }
    .nav-toggle { display: block; margin-left: auto; }
    .mainnav .nav-list { display: none; flex-direction: column; }
    .mainnav.open .nav-list { display: flex; }
    .nav-list a { padding: 12px 16px; }
    /* 移动端：下拉菜单随导航展开，隐藏左侧图文介绍 */
    .sub-menu {
        position: static; min-width: 0; padding: 2px 8px 8px;
        background: rgba(255,255,255,.06); border-top: 0; border-radius: 0;
        box-shadow: none; opacity: 1; visibility: visible; display: none;
    }
    .mainnav.open .sub-menu { display: block; }
    .sub-preview { display: none; }
    .sub-links { padding: 0; }
    .sub-links > ul { grid-template-columns: 1fr 1fr; }
    .sub-menu li a { color: #dce8f2; font-size: 13px; padding: 7px 12px; white-space: normal; }
    .sub-menu li a:hover { background: rgba(255,255,255,.12); color: #fff; }
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .cat-tip { display: none; }
    .slides { height: 320px; }
    .slide-content h2 { font-size: 26px; }
    .contact-cards { grid-template-columns: 1fr; }
    .pill-list { grid-template-columns: 1fr; }
    .news-card { flex-direction: column; }
}

/* ===== 清洗后富文本内容样式 ===== */
.rich-content h4 { color: var(--primary-dark); font-size: 17px; margin: 22px 0 10px; padding-left: 10px; border-left: 3px solid var(--accent); }
.rich-content figure.rc-img { margin: 18px 0; text-align: center; }
.rich-content figure.rc-img img { max-width: 100%; border-radius: 8px; box-shadow: var(--shadow); }
.rich-content ul.rc-dots { margin: 12px 0; display: grid; gap: 8px; }
.rich-content ul.rc-dots li { padding-left: 20px; position: relative; font-size: 14.5px; }
.rich-content ul.rc-dots li::before { content: "●"; color: var(--primary-light); position: absolute; left: 4px; font-size: 9px; top: 7px; }
.rich-content .table-scroll { overflow-x: auto; margin: 16px 0; }
.rich-content table.rc-table { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; box-shadow: var(--shadow); }
.rich-content table.rc-table th { background: var(--primary); color: #fff; padding: 10px; font-weight: 500; white-space: nowrap; border: 1px solid rgba(255,255,255,.15); }
.rich-content table.rc-table td { border: 1px solid var(--border); padding: 8px 10px; text-align: center; vertical-align: middle; }
.rich-content table.rc-table tr:nth-child(even) td { background: #f8fafc; }
.rich-content table.rc-table img { max-width: 100px; max-height: 80px; }
.rich-content .rc-cell { margin: 6px 0; }

/* 产品型号详情页 */
.product-detail { display: grid; grid-template-columns: 380px 1fr; gap: 32px; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.product-detail-img { display: flex; align-items: center; justify-content: center; background: #f7fafc; border-radius: 8px; min-height: 280px; overflow: hidden; }
.product-detail-img img { max-width: 100%; max-height: 340px; object-fit: contain; }
.product-detail-img .no-img { color: var(--text-light); font-size: 14px; padding: 60px 0; }
.product-detail-info h2 { margin: 0 0 6px; font-size: 26px; color: var(--text); }
.pd-cat { color: var(--text-light); font-size: 14px; margin: 0 0 16px; }
.pd-cat a { color: var(--primary); text-decoration: none; }
.pd-params { width: 100%; border-collapse: collapse; margin-bottom: 14px; }
.pd-params th, .pd-params td { border: 1px solid var(--border); padding: 8px 14px; font-size: 14px; text-align: left; }
.pd-params th { background: #f0f4f8; width: 130px; font-weight: 600; color: var(--text); white-space: nowrap; }
.pd-params td { color: var(--text-light); }
.pd-text { color: var(--text-light); font-size: 14px; line-height: 1.8; margin-bottom: 14px; white-space: pre-line; }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.related-card { display: block; background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 12px; text-align: center; text-decoration: none; transition: all .2s; }
.related-card:hover { border-color: var(--primary); box-shadow: 0 4px 14px rgba(8,58,102,.12); transform: translateY(-2px); }
.related-card img { max-width: 100%; height: 90px; object-fit: contain; }
.related-card .no-img-sm { display: block; height: 90px; line-height: 90px; color: var(--text-light); font-size: 12px; background: #f7fafc; border-radius: 6px; }
.related-card .related-model { display: block; margin-top: 8px; font-size: 13px; color: var(--text); font-weight: 600; }
@media (max-width: 900px) {
    .product-detail { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 分类详情页横向板块（悬停/点击切换） ===== */
.acc-h { background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.acc-h-tabs { display: flex; flex-wrap: nowrap; gap: 0; overflow-x: auto; background: #f4f8fb; border-bottom: 1px solid var(--border); }
.acc-h-tab {
    flex: 1 0 auto; min-width: 120px; border: 0; border-right: 1px solid var(--border);
    background: transparent; color: #42586a; padding: 13px 18px; font-size: 15px; font-weight: 600;
    cursor: pointer; white-space: nowrap; transition: background .2s, color .2s;
}
.acc-h-tab:last-child { border-right: 0; }
.acc-h-tab:hover { color: var(--primary); background: #eaf3fa; }
.acc-h-tab.active { color: #fff; background: var(--primary); }
.acc-h-panels { position: relative; }
.acc-h-panel { display: none; padding: 18px; }
.acc-h-panel.active { display: block; }
@media (max-width: 640px) {
    .acc-h-tab { min-width: 104px; padding: 11px 14px; font-size: 14px; }
    .acc-h-panel { padding: 14px; }
}

/* 新闻配图 */
.news-card-img { display:block; flex:0 0 128px; margin:-18px 0 -18px -20px; }
.news-card-img img { width:128px; height:96px; object-fit:cover; display:block; }
.article-cover { margin:0 0 22px; }
.article-cover img { max-width:100%; height:auto; display:block; border-radius:8px; border:1px solid var(--border); }
@media (max-width:640px){ .news-card-img{flex-basis:96px;} .news-card-img img{width:96px;height:76px;} }