/* ============================================================
   隽沐 site.css
   规则（《开发规则》第 8 章）：老站 style.css 原样引入、禁止修改；
   本文件仅承载 ① 新板块样式（从老站设计语言派生） ② 响应式覆盖。
   设计语言：主红 #E72044 / 深红 #c3253d / 藏青 #364366 / 文字 #2D2D2F
             次级 #737379 / 浅灰底 #F3F3F7 / 边框 #E0E0E9 / 圆角 6-10px
   ============================================================ */
:root {
    --jm-red: #E72044;
    --jm-red-dark: #c3253d;
    --jm-navy: #364366;
    --jm-text: #2D2D2F;
    --jm-muted: #737379;
    --jm-gray: #F3F3F7;
    --jm-border: #E0E0E9;
}

/* ---------- 页头导航（首页块内链接 / 汉堡按钮默认隐藏） ---------- */
.nav_box ul li span a { margin: 0; padding: 0; line-height: 50px; display: inline; color: #fff; font-weight: bold; font-size: 1.6rem; }
.nav_box ul li span a::after { display: none; }
.jm-nav-toggle { display: none; }

/* ---------- 通用 ---------- */
.jm-inline { display: inline; color: inherit; font-size: inherit; }
.jm-inline:hover { color: var(--jm-red); }
.breadcrumbs_box .jm-crumb-current { font-size: 1.6rem; color: var(--jm-red); margin: 0 5px; }
.breadcrumbs_box .jm-crumb-sep { font-size: 1.6rem; color: var(--jm-border); }

.detail_box .detail_title_box { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; padding-bottom: 10px; }
.detail_box .detail_title { margin: 0; }
.jm-subtitle { color: var(--jm-muted); font-size: 1.4rem; letter-spacing: 1px; }
.jm-meta-row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; width: 100%; margin: 8px 0 4px; }
.jm-meta { color: var(--jm-muted); font-size: 1.3rem; display: block; }
.jm-meta-row .detail_content_title { width: auto; padding: 0 12px; }
.jm-lead { color: var(--jm-muted); font-size: 1.6rem; line-height: 30px; }

/* ---------- 富文本 ---------- */
.jm-rich, .jm-rich p, .jm-rich li { font-size: 1.6rem; line-height: 32px; color: var(--jm-text); }
.jm-rich b, .jm-rich strong { font-size: 1.6rem; }
.jm-rich h2, .jm-rich h3, .jm-rich h4 { color: var(--jm-text); font-weight: bold; margin: 24px 0 12px; line-height: 1.4; }
.jm-rich h2 { font-size: 2.2rem; }
.jm-rich h3 { font-size: 1.8rem; }
.jm-rich h4 { font-size: 1.6rem; }
.jm-rich ul, .jm-rich ol { padding-left: 24px; margin: 8px 0; }
.jm-rich ol li { list-style: decimal; }
.jm-rich ul li { list-style: disc; }
.jm-rich img { max-width: 100%; height: auto; border-radius: 6px; margin: 12px 0; }
.jm-rich table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; margin: 12px 0; }
.jm-rich td, .jm-rich th { border: 1px solid var(--jm-border); padding: 8px 12px; font-size: 1.4rem; color: var(--jm-text); }
.jm-rich th { background: var(--jm-gray); font-weight: bold; }
.jm-rich a { display: inline; color: var(--jm-red); text-decoration: underline; }
.jm-rich blockquote { border-left: 4px solid var(--jm-red); background: var(--jm-gray); padding: 10px 16px; margin: 12px 0; border-radius: 0 6px 6px 0; }

/* ---------- 板块标题（文本版，对应老站标题图的视觉权重） ---------- */
.jm-section-title { font-size: 2.4rem; font-weight: bold; color: var(--jm-text); position: relative; padding-left: 14px; margin: 30px 0 16px; line-height: 32px; }
.jm-section-title::before { content: ''; position: absolute; left: 0; top: 4px; width: 5px; height: 24px; background: var(--jm-red); border-radius: 0 4px 4px 0; }
.jm-section-title-lg { font-size: 3.2rem; text-align: center; padding-left: 0; display: inline-block; margin: 0 0 10px; }
.jm-section-title-lg::before { display: none; }
.jm-section-title-lg::after { content: ''; display: block; width: 60px; height: 4px; background: var(--jm-red); margin: 12px auto 0; border-radius: 2px; }
.jm-page-title { margin: 60px auto 30px !important; }
.jm-page-title .jm-lead { text-align: center; margin-top: 6px; }

/* ---------- 按钮 ---------- */
.jm-btn { display: inline-block; background: var(--jm-red); color: #fff; font-size: 1.6rem; line-height: 44px; min-height: 44px; padding: 0 28px; border-radius: 6px; border: 1px solid var(--jm-red); cursor: pointer; transition: background .2s, color .2s; }
.jm-btn:hover { background: var(--jm-red-dark); border-color: var(--jm-red-dark); color: #fff; }
.jm-btn:disabled { opacity: .6; cursor: default; }
.jm-btn-outline { background: #fff; color: var(--jm-red); }
.jm-more { display: inline-block; margin: 0 0 20px 50px; color: #fff; border: 1px solid #fff; border-radius: 20px; padding: 4px 18px; font-size: 1.4rem; }
.jm-more:hover { background: #fff; color: var(--jm-red); }

/* ---------- 表单 ---------- */
.jm-form-wrap { margin-top: 10px; }
.jm-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; }
.jm-field { display: flex; flex-direction: column; gap: 6px; }
.jm-field-full { grid-column: 1 / -1; }
.jm-field label { font-size: 1.4rem; color: var(--jm-text); }
.jm-field label em { color: var(--jm-red); font-style: normal; }
.jm-field input, .jm-field textarea { width: 100%; min-height: 44px; padding: 8px 12px; font-size: 1.5rem; color: var(--jm-text); border: 1px solid var(--jm-border); border-radius: 6px; background: #fff; transition: border-color .2s, box-shadow .2s; }
.jm-field textarea { min-height: 140px; line-height: 24px; }
.jm-field input:focus, .jm-field textarea:focus { border-color: var(--jm-red); box-shadow: 0 0 0 2px rgba(231, 32, 68, .12); }
.jm-form-actions { display: flex; align-items: center; gap: 16px; margin-top: 20px; flex-wrap: wrap; }
.jm-form-hint { color: var(--jm-muted); font-size: 1.3rem; }
.jm-hp { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.jm-alert { border-radius: 6px; padding: 14px 18px; margin-bottom: 20px; border: 1px solid; }
.jm-alert b { display: block; font-size: 1.6rem; margin-bottom: 4px; }
.jm-alert p { font-size: 1.4rem; line-height: 24px; }
.jm-alert-success { background: #f0fbf4; border-color: #b7e4c7; }
.jm-alert-success b, .jm-alert-success p { color: #1e7e45; }
.jm-alert-error { background: #fff3f5; border-color: #f5b8c4; }
.jm-alert-error b, .jm-alert-error p { color: var(--jm-red-dark); }

/* ---------- FAQ（原生 details，无 JS 亦可用） ---------- */
.jm-faq-item { border: 1px solid var(--jm-border); border-radius: 6px; margin-bottom: 12px; background: #fff; }
.jm-faq-item summary { list-style: none; cursor: pointer; padding: 14px 48px 14px 18px; position: relative; min-height: 44px; }
.jm-faq-item summary::-webkit-details-marker { display: none; }
.jm-faq-item summary h3 { display: inline; font-size: 1.6rem; font-weight: bold; color: var(--jm-text); }
.jm-faq-item summary::after { content: '+'; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); color: var(--jm-red); font-size: 2.2rem; line-height: 1; }
.jm-faq-item[open] summary::after { content: '−'; }
.jm-faq-item[open] summary { border-bottom: 1px solid var(--jm-gray); }
.jm-faq-answer { padding: 14px 18px 18px; }
.jm-faq-answer, .jm-faq-answer p { font-size: 1.5rem; line-height: 28px; }

/* ---------- 侧栏附加 ---------- */
.sidebar .jm-side-block h2 a { color: var(--jm-text); cursor: default; }
.sidebar .jm-side-block ul { display: block; }
.sidebar ul li a { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.sidebar .jm-contact-list li a { white-space: normal; overflow: visible; text-overflow: clip; line-height: 28px; padding: 6px 0; }
.jm-steps li a { white-space: normal; line-height: 28px; padding: 6px 0; }
.jm-side-qrcode { padding: 10px 28px 20px; }
.jm-side-qrcode img { width: 120px; }
.jm-side-qrcode span { display: block; margin-top: 6px; font-size: 1.3rem; color: var(--jm-muted); }

/* ---------- 卡片占位 / 空状态 / CTA ---------- */
.jm-ph { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; color: var(--jm-muted); font-size: 1.4rem; background: var(--jm-gray); border-radius: 10px 10px 0 0; }
.product_box_img .jm-ph { height: 186px; }
/* 占位卡文字自适应（老站 .product_box_text 为 102px 定高截断，二期真实产品卡仍沿用定高） */
.product_box.jm-placeholder .product_box_text { height: auto; min-height: 102px; }
/* 首页品牌卡只保留 LOGO+名称：名称是最后一个块时补底部圆角；长名单行省略防止撑破网格 */
.product_list .product_box_title:last-child { border-radius: 0 0 10px 10px; }
.product_list .product_box_title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.jm-empty { text-align: center; color: var(--jm-muted); padding: 40px 20px; font-size: 1.5rem; }
.jm-empty .jm-btn { margin-top: 16px; }
.jm-cta { text-align: center; padding-top: 10px; }

/* ---------- 内页合作伙伴 / 品牌网格 ---------- */
.jm-partners-inline { width: auto; margin: 10px 0; gap: 0 20px; justify-content: flex-start; }
.jm-partners-inline .partners_list_box { margin: 10px 0; }
.jm-brand-card span { font-size: 1.8rem; font-weight: bold; color: var(--jm-text); }
.jm-brand-card:hover { border-color: var(--jm-red); }

/* ---------- 详情封面（老站 detail_profile 结构） ---------- */
.jm-cover .detail_profile_content p { font-size: 1.6rem; line-height: 30px; }

/* ---------- 标签 / 分页 ---------- */
.jm-tag { display: inline-block; border: 1px solid var(--jm-border); border-radius: 14px; padding: 2px 12px; font-size: 1.3rem; color: var(--jm-muted); margin: 0 8px 8px 0; }
.jm-pagination { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin: 30px 0 50px; }
.jm-pagination a, .jm-pagination span { display: inline-block; min-width: 44px; line-height: 42px; padding: 0 14px; border: 1px solid var(--jm-border); border-radius: 6px; font-size: 1.5rem; color: var(--jm-muted); }
.jm-pagination a:hover, .jm-pagination .active { border-color: var(--jm-red); color: var(--jm-red); font-weight: bold; }

/* ---------- 列表页 ---------- */
.jm-list-page .product_list { margin-bottom: 20px; }
.jm-list-page .product_box_text { height: auto; min-height: 102px; }
.jm-list-page .product_box_text .jm-meta { margin-bottom: 6px; }

/* ---------- 错误页 ---------- */
.jm-error { text-align: center; padding: 80px 20px 120px; }
.jm-error-code { font-size: 9.6rem; font-weight: bold; color: var(--jm-red); line-height: 1; }
.jm-error h1 { font-size: 2.4rem; color: var(--jm-text); margin: 16px 0; font-weight: bold; }
.jm-error h1 small { display: block; font-size: 1.4rem; color: var(--jm-muted); font-weight: normal; margin-top: 6px; }
.jm-error p { margin: 10px 0; font-size: 1.5rem; }
.jm-error .jm-btn { margin: 6px; }

/* ---------- 关于区块：高度自适应（了解更多按钮不裁切；桌面最小高度保持老站 400px 视觉） ---------- */
.about_box { height: auto; min-height: 400px; margin-top: 60px; display: flex; align-items: stretch; }
.about_box .about_img { width: 50%; height: auto; min-height: 400px; float: none; }
.about_box .about_text { width: 50%; height: auto; min-height: 400px; display: block; float: none; }
.about_box .about_text_box { padding-bottom: 6px; }

/* ---------- 响应式（断点 1240 / 1024 / 768 / 480；桌面 ≥1240 保持老站 1200 定宽视觉） ---------- */
@media (max-width: 1240px) {
    html, body { min-width: 0; overflow-x: hidden; }
    .nav_top, .nav_box ul, main > .product_box, .product_list, .partners_list, .foot_box .foot_item, .breadcrumbs_box, .container {
        width: 100%; max-width: 1200px; padding-left: 16px; padding-right: 16px; box-sizing: border-box;
    }
    .product_list, .partners_list { padding-left: 0; padding-right: 0; }
    .detail_box { width: calc(100% - 280px); }
    .about_box .about_text_box { width: 100%; max-width: 600px; }
}

@media (max-width: 1024px) {
    .jm-nav-toggle { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; border: 1px solid var(--jm-red); border-radius: 6px; background: #fff; margin-left: 16px; padding: 0 10px; cursor: pointer; }
    .jm-nav-toggle span { display: block; height: 2px; background: var(--jm-red); border-radius: 2px; }
    .nav_top { height: auto; margin: 12px auto; }
    .nav_top dl a.btn_partners, .nav_top dl a.btn_about { display: none; }
    .nav_box { height: auto; }
    .nav_box ul li { flex-direction: column; align-items: stretch; width: 100%; }
    .nav_box ul li span { display: block; padding: 0 16px; }
    .nav_box ul li a { display: none; margin: 0; padding: 0 16px; line-height: 48px; border-top: 1px solid rgba(255, 255, 255, .15); }
    .nav_box ul li a::after { display: none; }
    .nav_box.open ul li a { display: block; }
    .nav_box ul li span a { display: inline; padding: 0; border: 0; }

    .container { flex-direction: column; }
    .sidebar, .detail_box { width: 100%; }
    .detail_box { min-height: auto; }
    .sidebar ul { display: block; }

    .about_box { height: auto; flex-direction: column; }
    .about_box .about_img { width: 100%; height: 240px; float: none; background-size: cover; }
    .about_box .about_text { width: 100%; height: auto; display: block; padding-bottom: 20px; }
    .about_text_box_title span { position: static; margin-left: 10px; }
    .partners_box { min-height: auto; padding-bottom: 40px; background-size: cover; }
}

@media (max-width: 768px) {
    .product_list .product_list_box { justify-content: space-between; }
    .product_list .product_list_box .product_box { width: calc(50% - 8px); margin: 8px 0; }
    .product_box_img { height: auto; aspect-ratio: 280 / 186; }
    .product_box_img img { width: 100%; height: 100%; object-fit: cover; }
    .product_box_img .jm-ph { height: 100%; }
    .product_box_title { font-size: 1.6rem; }
    main > .product_box .product_nav a { margin: 4px; padding: 0 12px; line-height: 36px; }
    main > .product_box .product_title { margin: 40px auto 20px; }
    .jm-page-title { margin: 30px auto 16px !important; }

    .partners_list .partners_list_box { width: calc(50% - 8px); height: 80px; margin: 8px 0; padding: 8px; }
    .partners_list .partners_list_box img { max-width: 100%; max-height: 64px; }

    .foot_box .foot_item .foot_logo, .foot_box .foot_item .foot_text, .foot_box .foot_item .foot_qrcode { float: none; width: 100%; display: block; text-align: center; }
    .foot_box .foot_item .foot_logo img, .foot_box .foot_item .foot_qrcode img { margin: 0 auto; }
    .foot_box ul { text-align: center; }
    .foot_box .copyright { line-height: 28px; padding: 16px 0; }

    .jm-form-grid { grid-template-columns: 1fr; }
    .detail_box .detail_title_box, .detail_box .detail_content { margin-left: 16px; margin-right: 16px; }
    .detail_box .detail_profile { flex-direction: column; margin: 20px 16px 0; }
    .detail_box .detail_profile .detail_profile_img, .detail_box .detail_profile .detail_profile_img img, .detail_box .detail_profile .detail_profile_content { width: 100%; height: auto; }
    .detail_content_text { width: 100%; }
    .breadcrumbs_box { margin: 16px auto; flex-wrap: wrap; }
    .jm-section-title-lg { font-size: 2.4rem; }
    .jm-more { margin-left: 16px; }
    .about_text_box_title, .about_text_box_text { margin-left: 16px; margin-right: 16px; }
    .jm-error-code { font-size: 7.2rem; }
}

@media (max-width: 480px) {
    .product_list .product_list_box .product_box { width: 100%; }
    .partners_list .partners_list_box { width: calc(50% - 6px); }
    .nav_top .nav_logo img { height: 32px; }
    .btn_language { margin-left: 12px; padding: 3px 10px !important; }
    .jm-btn { width: 100%; text-align: center; }
    .jm-pagination a, .jm-pagination span { min-width: 40px; padding: 0 10px; }
}

@media print {
    .nav_box, .back_to_top, .jm-nav-toggle, .jm-cta, .jm-form-wrap { display: none !important; }
}

/* ===== 二期 M1：产品库 / 询价车 ===== */
.sidebar ul.jm-always { display: block; }
.sidebar .jm-cat-sub { margin: 2px 0 8px 0; }
.sidebar .jm-cat-sub li { padding-left: 28px; }
.sidebar .jm-cat-sub li a { font-size: 1.4rem; color: #666; line-height: 30px; }
/* 三级分类（品牌产品页侧边栏 L3）：已改为系列筛选条，不再侧栏内嵌套展示 */
.sidebar .jm-cat-sub3 li { padding-left: 18px; }

/* 系列筛选条（品牌产品页，产品区上方） */
.jm-series-bar { margin: 2px 0 20px; display: flex; flex-wrap: wrap; gap: 10px; }
.jm-chip { display: inline-block; padding: 7px 18px; border: 1px solid #E3E3E8; border-radius: 18px; font-size: 1.4rem; line-height: 20px; color: #4A4A52; background: #fff; transition: all .15s; }
.jm-chip:hover { border-color: var(--jm-red); color: var(--jm-red); }
.jm-chip.active { background: var(--jm-red); border-color: var(--jm-red); color: #fff; }

/* 品牌产品页：老站 .product_list 定宽 1200px 在内页 920px 文章区横向溢出，收回自适应 */
.detail_box .product_list { width: auto; max-width: 100%; }
.jm-search { display: flex; gap: 8px; margin: 10px 30px 18px 30px; }
.jm-search input[type=text] { flex: 1; max-width: 360px; border: 1px solid #d9edff; border-radius: 3px; padding: 8px 10px; }
.jm-detail-wrap { width: 1200px; margin: 30px auto; }
.jm-detail-box { width: 100%; min-height: auto; padding-bottom: 30px; }
.jm-detail-grid { display: flex; gap: 30px; margin: 25px 30px 0 30px; align-items: flex-start; }
.jm-detail-imgs { width: 400px; flex-shrink: 0; }
.jm-detail-mainimg { width: 400px; height: 300px; border: 1px solid #F3F3F7; border-radius: 10px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.jm-detail-mainimg img { max-width: 100%; max-height: 100%; }
.jm-detail-thumbs { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.jm-detail-thumbs img { width: 72px; height: 72px; object-fit: cover; border: 1px solid #F3F3F7; border-radius: 6px; }
.jm-detail-info { flex: 1; }
.jm-badges { list-style: none; margin: 10px 0; padding: 0; display: flex; gap: 8px; }
.jm-badge { background: #F3F3F7; color: #737379; border-radius: 20px; padding: 4px 14px; font-size: 1.3rem; display: inline-block; }
.jm-badge-auto { background: #FFF3E6; color: #C96A00; }
.jm-badge-price { color: #2D2D2F; }
.jm-cart-add { display: flex; align-items: center; gap: 10px; margin: 14px 0 18px 0; flex-wrap: wrap; }
.jm-qty { width: 88px; border: 1px solid #d9edff; border-radius: 3px; padding: 7px 8px; }
.jm-params-table { width: 100%; border-collapse: collapse; margin: 10px 0; background: #fff; }
.jm-params-table th, .jm-params-table td { border: 1px solid #F3F3F7; padding: 9px 12px; font-size: 1.4rem; text-align: left; }
.jm-params-table th { width: auto; min-width: 200px; background: #F9F9FB; color: #2D2D2F; }
.jm-params-table tr.jm-param-sec th { background: #EFEFF4; color: #E72044; font-weight: 700; text-align: left; }
.jm-detail-section { margin: 34px 30px 0 30px; }
.jm-rel-list { justify-content: flex-start; }
.jm-rel-item { display: inline-flex; flex-direction: column; gap: 4px; border: 1px solid #e6eef8; border-radius: 8px; padding: 12px 18px; margin: 0 12px 12px 0; background: #fff; }
.jm-rel-item b { color: #2D2D2F; font-size: 1.5rem; }
.jm-inline-form { display: inline-flex; gap: 6px; align-items: center; }
.jm-btn-sm { padding: 5px 14px; font-size: 1.3rem; }
.jm-btn-danger { background: #E72044; color: #fff; border-color: #E72044; }
.jm-btn-ghost { background: #fff; color: #E72044; border: 1px solid #E72044; }
.jm-cart-table th, .jm-cart-table td { vertical-align: middle; }
@media (max-width: 1240px) { .jm-detail-wrap { width: auto; margin: 30px 16px; } }
@media (max-width: 768px) {
  .jm-detail-grid { flex-direction: column; }
  .jm-detail-imgs, .jm-detail-mainimg { width: 100%; }
  .jm-detail-mainimg { height: auto; }
  .jm-search { margin: 10px 16px 18px 16px; }
  .jm-detail-section { margin: 28px 16px 0 16px; }
}

.jm-detail-mainimg img { cursor: zoom-in; }
.jm-detail-thumbs img { cursor: pointer; border: 2px solid transparent; }
.jm-detail-thumbs img:hover { border-color: #E72044; }
#jm-lightbox img { cursor: zoom-out; }

/* DESTACO 产品卡统一等高 */
.jm-prod-card .product_box_title {
    min-height: 48px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.jm-prod-card .product_box_text {
    min-height: 48px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------- 首页公司案例 ---------- */
.jm-cases { padding: 30px; }
.jm-cases-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.jm-case-card { border: 1px solid var(--jm-border); border-radius: 8px; padding: 18px 20px; background: #fff; display: flex; flex-direction: column; gap: 8px; }
.jm-case-card .jm-case-industry { font-size: 1.3rem; color: var(--jm-red); font-weight: bold; }
.jm-case-card h3 { font-size: 1.6rem; color: var(--jm-text); }
.jm-case-card p { font-size: 1.4rem; line-height: 24px; color: var(--jm-text); }
.sidebar .jm-side-block ul li a { white-space: normal; overflow: visible; text-overflow: clip; line-height: 24px; padding: 4px 0; }