/* ============================================================
   泓安智慧消防 · 落地页样式（产品 / 解决方案 / 案例）
   与首页保持同一套品牌视觉（消防红 + 暖橙 + 深灰）
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary: #e63946;
    --primary-dark: #c1121f;
    --accent: #ff8c42;
    --ink: #26282f;
    --ink-2: #4a4a4a;
    --muted: #8a8a8a;
    --line: #eef0f4;
    --line-2: #e5e8ef;
    --bg: #fafafa;
    --radius: 12px;
    --shadow: 0 4px 20px rgba(0,0,0,0.06);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
    color: var(--ink);
    line-height: 1.8;
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-dark); text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ── 顶部导航 ── */
.page-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,0.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}
.page-header-inner {
    max-width: 1160px; margin: 0 auto; padding: 0 24px;
    height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 600; font-size: 17px; }
.brand svg { flex: none; }
.brand:hover { color: var(--ink); }
.brand-sub { color: var(--muted); font-size: 11px; font-weight: 400; letter-spacing: 1px; display: block; }
.header-nav { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.header-nav a { color: var(--ink-2); }
.header-nav a:hover { color: var(--primary-dark); }
.header-nav .tel { color: var(--primary-dark); font-weight: 600; }
@media (max-width: 720px) {
    .header-nav .hide-m { display: none; }
    .brand-sub { display: none; }
}

/* ── 面包屑 ── */
.breadcrumb {
    max-width: 1160px; margin: 0 auto; padding: 14px 24px 0;
    font-size: 13px; color: var(--muted);
}
.breadcrumb a { color: var(--ink-2); }
.breadcrumb a:hover { color: var(--primary-dark); }
.breadcrumb .sep { margin: 0 6px; color: #c5c5c5; }
.breadcrumb .cur { color: var(--ink); }

/* ── Hero ── */
.page-hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #23233b 100%);
    color: #fff; padding: 56px 0 52px;
}
.page-hero .container { max-width: 960px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.hero-tags span {
    font-size: 12px; color: #ffd7d7;
    border: 1px solid rgba(255,255,255,0.22);
    border-radius: 20px; padding: 3px 12px;
}
.page-hero h1 { font-size: 34px; line-height: 1.35; font-weight: 700; margin-bottom: 14px; }
.page-hero .lead { font-size: 16px; color: #c9cbe0; max-width: 720px; margin-bottom: 26px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 26px; border-radius: 8px; font-size: 15px; font-weight: 600;
    transition: all .25s; border: none; cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.5); }
.btn-outline:hover { border-color: #fff; color: #fff; }
@media (max-width: 640px) { .page-hero h1 { font-size: 26px; } }

/* ── 主内容 ── */
.page-main { max-width: 960px; margin: 0 auto; padding: 40px 24px 20px; }
.page-main h2 {
    font-size: 22px; color: #1a1759; margin: 34px 0 14px;
    padding-left: 12px; border-left: 4px solid var(--primary);
    line-height: 1.5;
}
.page-main h3 { font-size: 17px; color: var(--ink); margin: 22px 0 8px; }
.page-main p { margin: 12px 0; font-size: 16px; color: var(--ink-2); }
.page-main ul, .page-main ol { margin: 12px 0 12px 22px; }
.page-main li { margin: 7px 0; font-size: 16px; color: var(--ink-2); }
.page-main strong { color: var(--ink); }

.lead-para { font-size: 17px !important; color: var(--ink) !important; }

/* 特性卡片 */
.feat-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 14px; margin: 18px 0;
}
.feat-card {
    background: var(--bg); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 18px 18px;
}
.feat-card .ico {
    width: 40px; height: 40px; border-radius: 10px; margin-bottom: 10px;
    background: #fff1f0; color: var(--primary-dark);
    display: flex; align-items: center; justify-content: center;
}
.feat-card h4 { font-size: 15px; color: var(--ink); margin-bottom: 5px; }
.feat-card p { font-size: 13px; color: var(--muted); margin: 0; }

/* 数据表格 */
.table-wrap { overflow-x: auto; margin: 16px 0; }
.data-table { border-collapse: collapse; width: 100%; font-size: 14px; }
.data-table th, .data-table td { border: 1px solid var(--line-2); padding: 10px 14px; text-align: left; }
.data-table th { background: #f4f6fb; font-weight: 600; color: var(--ink); }
.data-table td { color: var(--ink-2); }

/* 应用场景标签 */
.scene-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.scene-tags span {
    font-size: 13px; color: var(--ink-2);
    background: #f0f4ff; border: 1px solid #dbe4ff;
    padding: 6px 14px; border-radius: 20px;
}

/* 提示框 */
.note-box {
    background: #fff8f0; border-left: 3px solid var(--accent);
    border-radius: 6px; padding: 14px 18px; margin: 18px 0;
    font-size: 14px; color: var(--ink-2);
}

/* 内联 CTA */
.inline-cta {
    background: #f2f7ff; border-left: 3px solid #4b3fe3;
    border-radius: 6px; padding: 16px 20px; margin: 22px 0;
}
.inline-cta p { margin: 4px 0; font-size: 15px; }
.inline-cta a { color: #3540c8; font-weight: 600; }

/* ── 相关推荐 ── */
.related { max-width: 1160px; margin: 10px auto 30px; padding: 0 24px; }
.related h2 {
    font-size: 18px; margin-bottom: 16px; color: var(--ink);
    padding-left: 10px; border-left: 3px solid var(--primary);
}
.related-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px;
}
.related-card {
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 18px; transition: all .25s; background: #fff;
}
.related-card:hover { box-shadow: var(--shadow); border-color: #ffd7d7; }
.related-card h3 { font-size: 15px; margin-bottom: 6px; color: var(--ink); }
.related-card h3 a { color: var(--ink); }
.related-card h3 a:hover { color: var(--primary-dark); }
.related-card p { font-size: 13px; color: var(--muted); margin: 0; }

/* ── 底部 CTA ── */
.page-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff; text-align: center; padding: 52px 24px; margin-top: 30px;
}
.page-cta h2 { font-size: 26px; margin-bottom: 10px; }
.page-cta p { font-size: 15px; color: #ffe3e3; margin-bottom: 24px; }
.page-cta .btn-white { background: #fff; color: var(--primary-dark); }
.page-cta .btn-white:hover { background: #fff2f0; color: var(--primary-dark); }

/* ── 页脚 ── */
.page-footer {
    background: #0a0a0a; color: #9a9a9a; padding: 34px 0;
    font-size: 13px; line-height: 1.9;
}
.page-footer .container { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; }
.page-footer a { color: #c5c5c5; }
.page-footer a:hover { color: #fff; }
.page-footer .f-col { min-width: 160px; }
.page-footer h4 { color: #fff; font-size: 14px; margin-bottom: 10px; }
.page-footer ul { list-style: none; }
.page-footer-bottom {
    border-top: 1px solid #222; margin-top: 22px; padding-top: 18px;
    text-align: center; color: #7a7a7a;
}