/* ============================================
   wegov.cn 工业大风扇垂直站 · 组件扩展样式 fan.css
   依赖 style.css（基类）。仅在 style.css 之上追加组件。
   ============================================ */

/* ---------- 导航下拉（产品中心） ---------- */
.nav-links .has-dropdown { position: relative; }
.nav-links .has-dropdown > .dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 170px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 12px 28px rgba(0,30,60,.14);
    padding: 8px 0;
    z-index: 999;
    list-style: none;
}
.nav-links .has-dropdown:hover > .dropdown,
.nav-links .has-dropdown:focus-within > .dropdown { display: block; }
.nav-links .dropdown li { display: block; width: 100%; }
.nav-links .dropdown a {
    display: block;
    padding: 9px 18px;
    color: var(--text-dark, #1e293b);
    font-size: .92rem;
    white-space: nowrap;
}
.nav-links .dropdown a:hover { color: var(--accent, #f97316); background: #f8fafc; }

/* ---------- 信任证据墙（每页页脚上方） ---------- */
.trust-bar {
    background: linear-gradient(135deg, var(--primary-dark, #0f3b6a) 0%, #0a2a4a 100%);
    padding: 28px 0;
    color: #dbe7f3;
}
.trust-bar .container { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 44px; text-align: center; }
.trust-item { display: flex; flex-direction: column; gap: 4px; }
.trust-item strong { font-size: 1.15rem; color: #fff; }
.trust-item span { font-size: .85rem; color: #b0c4de; }
.trust-item i { color: var(--accent, #f97316); font-size: 1.3rem; }

/* ---------- 面包屑 ---------- */
.breadcrumb {
    background: var(--gray-bg, #f8fafc);
    border-bottom: 1px solid var(--border-light, #e2e8f0);
    padding: 12px 0;
    font-size: .9rem;
    color: var(--text-light, #64748b);
}
.breadcrumb a { color: var(--primary, #1e4a7a); }
.breadcrumb a:hover { color: var(--accent, #f97316); }
.breadcrumb .sep { margin: 0 8px; color: #94a3b8; }

/* ---------- 内页头部横幅 ---------- */
.page-hero {
    background: linear-gradient(135deg, var(--primary-dark, #0f3b6a) 0%, var(--primary-light, #2b5f8f) 100%);
    color: #fff;
    padding: 56px 0;
    text-align: center;
}
.page-hero h1 { font-size: 2rem; margin-bottom: 12px; color: #fff; }
.page-hero p { max-width: 820px; margin: 0 auto; color: #cfe0ef; font-size: 1rem; line-height: 1.8; }

/* ---------- 参数矩阵表 ---------- */
.param-table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--border-light, #e2e8f0); }
.param-table { width: 100%; border-collapse: collapse; min-width: 720px; font-size: .92rem; }
.param-table th, .param-table td { padding: 12px 14px; text-align: center; border-bottom: 1px solid var(--border-light, #e2e8f0); }
.param-table th { background: var(--primary, #1e4a7a); color: #fff; font-weight: 600; white-space: nowrap; }
.param-table tr:nth-child(even) td { background: #f8fafc; }
.param-table tr:hover td { background: #eef4fb; }
.param-table td.hl { background: #fff4e6; color: #b45309; font-weight: 700; }
.param-table tr.hl-row td { background: #fff4e6; }
.param-table tr.hl-row:hover td { background: #ffedd5; }
.param-note { font-size: .85rem; color: var(--text-light, #64748b); margin-top: 8px; }

/* ---------- 参数摘要卡（产品列表卡/详情页顶部） ---------- */
.param-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 10px 0 4px; }
.param-chip {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 6px 12px;
    font-size: .85rem;
    color: var(--text-dark, #1e293b);
}
.param-chip b { color: var(--primary, #1e4a7a); }

/* ---------- 产品总览列表卡 ---------- */
.prod-card {
    background: #fff;
    border: 1px solid var(--border-light, #e2e8f0);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-sm, 0 8px 20px rgba(0,30,60,.06));
    transition: transform .25s, box-shadow .25s;
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover, 0 15px 30px rgba(0,40,80,.12)); }
.prod-card .prod-img-wrap { height: 190px; overflow: hidden; position: relative; }
.prod-card .prod-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.prod-card .series-badge {
    position: absolute; top: 10px; left: 10px;
    background: var(--accent, #f97316); color: #fff;
    font-size: .78rem; padding: 3px 10px; border-radius: 20px;
}
.prod-card .prod-info { padding: 16px; }
.prod-card .prod-info h3 { font-size: 1.08rem; margin-bottom: 6px; }
.prod-card .prod-info .prod-desc { color: var(--text-light, #64748b); font-size: .9rem; }

/* ---------- 案例详情 ---------- */
.case-meta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 22px 0; }
.case-meta-item { background: var(--gray-bg, #f8fafc); border: 1px solid var(--border-light, #e2e8f0); border-radius: 12px; padding: 16px; text-align: center; }
.case-meta-item b { display: block; font-size: 1.15rem; color: var(--primary, #1e4a7a); margin-bottom: 4px; }
.case-meta-item span { font-size: .85rem; color: var(--text-light, #64748b); }
.case-photo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0; }
.case-photo-grid img { width: 100%; border-radius: 12px; object-fit: cover; }
.case-photo-grid .wide { grid-column: 1 / -1; }

/* ---------- 解决方案区块 ---------- */
.solution-block { background: #fff; border: 1px solid var(--border-light, #e2e8f0); border-radius: 14px; padding: 28px; margin-bottom: 22px; box-shadow: var(--shadow-sm, 0 8px 20px rgba(0,30,60,.06)); }
.solution-block h2 { font-size: 1.3rem; color: var(--primary, #1e4a7a); margin-bottom: 12px; padding-left: 12px; border-left: 4px solid var(--accent, #f97316); }
.solution-block h3 { font-size: 1.08rem; margin: 16px 0 8px; color: var(--text-dark, #1e293b); }
.solution-block p, .solution-block li { line-height: 1.9; color: #475569; }
.solution-block ul, .solution-block ol { padding-left: 22px; margin: 8px 0; }
.solution-block table { width: 100%; border-collapse: collapse; font-size: .92rem; margin: 14px 0; }
.solution-block table th, .solution-block table td { border: 1px solid var(--border-light, #e2e8f0); padding: 10px 12px; text-align: left; }
.solution-block table th { background: #f1f5f9; }

/* ---------- 资讯文章 ---------- */
.article-body { line-height: 2; font-size: 1rem; color: #334155; }
.article-body h2 { font-size: 1.35rem; color: var(--primary, #1e4a7a); margin: 30px 0 14px; padding-left: 12px; border-left: 4px solid var(--accent, #f97316); }
.article-body h3 { font-size: 1.12rem; color: var(--text-dark, #1e293b); margin: 22px 0 10px; }
.article-body p { margin: 12px 0; }
.article-body ul, .article-body ol { padding-left: 24px; margin: 12px 0; }
.article-body li { margin: 8px 0; }
.article-body table { width: 100%; border-collapse: collapse; font-size: .92rem; margin: 16px 0; }
.article-body table th, .article-body table td { border: 1px solid var(--border-light, #e2e8f0); padding: 10px 12px; text-align: left; }
.article-body table th { background: #f1f5f9; }
.article-body strong { color: var(--primary-dark, #0f3b6a); }
.article-body .callout {
    background: #fff7ed; border: 1px solid #fed7aa; border-left: 4px solid var(--accent, #f97316);
    border-radius: 10px; padding: 14px 18px; margin: 18px 0; color: #9a3412;
}
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; color: var(--text-light, #64748b); font-size: .88rem; padding-bottom: 16px; border-bottom: 1px solid var(--border-light, #e2e8f0); margin-bottom: 22px; }
.article-meta i { margin-right: 5px; }

/* ---------- 资讯列表卡 ---------- */
.news-card { display: flex; gap: 16px; background: #fff; border: 1px solid var(--border-light, #e2e8f0); border-radius: 12px; padding: 16px; margin-bottom: 14px; transition: box-shadow .25s; }
.news-card:hover { box-shadow: var(--shadow-hover, 0 15px 30px rgba(0,40,80,.12)); }
.news-card img { width: 130px; height: 88px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
.news-card h3 { font-size: 1.02rem; margin-bottom: 6px; }
.news-card h3 a { color: var(--text-dark, #1e293b); }
.news-card h3 a:hover { color: var(--accent, #f97316); }
.news-card p { font-size: .88rem; color: var(--text-light, #64748b); line-height: 1.6; }

/* ---------- 中间 CTA 条 ---------- */
.cta-strip {
    background: linear-gradient(135deg, var(--accent, #f97316) 0%, #ea580c 100%);
    color: #fff; padding: 26px 0; text-align: center;
}
.cta-strip h3 { font-size: 1.4rem; margin-bottom: 8px; color: #fff; }
.cta-strip p { color: #ffe8d6; margin-bottom: 12px; }
.cta-strip .btn-white {
    background: #fff; color: #ea580c; font-weight: 700;
    padding: 10px 26px; border-radius: 30px; display: inline-block;
}
.cta-strip .btn-white:hover { background: #fff7ed; }

/* ---------- 厂家身份闭环（详情页/文章页末尾） ---------- */
.factory-closure {
    background: linear-gradient(135deg, var(--primary-dark, #0f3b6a) 0%, #0a2a4a 100%);
    color: #fff; border-radius: 14px; padding: 26px 28px; margin: 30px 0;
    display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between;
}
.factory-closure h3 { color: #fff; font-size: 1.2rem; margin-bottom: 6px; }
.factory-closure p { color: #b0c4de; font-size: .92rem; line-height: 1.8; }
.factory-closure a.tel { color: var(--accent, #f97316); font-size: 1.3rem; font-weight: 700; white-space: nowrap; }

/* ---------- 首页 H1 品牌句横幅 ---------- */
.brand-hero {
    background: linear-gradient(135deg, #0a2a4a 0%, var(--primary, #1e4a7a) 60%, var(--primary-light, #2b5f8f) 100%);
    color: #fff; padding: 70px 0; text-align: center; position: relative; overflow: hidden;
}
.brand-hero h1 { font-size: 2.3rem; color: #fff; margin-bottom: 16px; }
.brand-hero h1 em { font-style: normal; color: var(--accent, #f97316); }
.brand-hero p { max-width: 900px; margin: 0 auto 22px; color: #cfe0ef; font-size: 1.05rem; line-height: 1.9; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .page-hero { padding: 40px 0; }
    .page-hero h1 { font-size: 1.6rem; }
    .brand-hero h1 { font-size: 1.8rem; }
    .brand-hero { padding: 46px 0; }
    .case-photo-grid { grid-template-columns: 1fr; }
    .news-card { flex-direction: column; }
    .news-card img { width: 100%; height: 150px; }
    .nav-links .has-dropdown > .dropdown { position: static; transform: none; box-shadow: none; padding: 0 0 0 16px; }
    .nav-links .has-dropdown > .dropdown a { padding: 6px 12px; font-size: .9rem; }
}
@media (max-width: 700px) {
    .trust-bar .container { gap: 14px 26px; }
    .trust-item strong { font-size: 1rem; }
    .param-table { font-size: .82rem; }
    .factory-closure { padding: 20px; }
    .solution-block { padding: 18px; }
}