/* 金锄CMS 默认站点皮肤：结构 + 默认主题变量（主题包可覆盖下方 :root 变量） */
:root {
    --primary: #2D8CF0;
    --primary-2: #1E6FD0;
    --secondary: #FF7A45;
    --text: #1f2d3d;
    --muted: #6b7785;
    --bg: #ffffff;
    --bg-2: #f5f7fa;
    --bg-3: #eef2f7;
    --line: #ebeef5;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 8px 24px rgba(20, 40, 80, .08);
    --shadow-sm: 0 2px 10px rgba(20, 40, 80, .06);
    --font: "Microsoft YaHei", "PingFang SC", -apple-system, "Segoe UI", Roboto, sans-serif;
    --maxw: 1200px;
    --header-h: 64px;
    --btn-radius: 999px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.site-container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.site-btn {
    display: inline-block; padding: 11px 26px; border-radius: var(--btn-radius);
    font-size: 15px; font-weight: 600; cursor: pointer; border: 1px solid transparent;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.site-btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; box-shadow: 0 6px 16px rgba(45,140,240,.35); }
.site-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(45,140,240,.45); }
.site-btn-ghost { background: transparent; color: var(--primary); border-color: var(--primary); }
.site-btn-ghost:hover { background: rgba(45,140,240,.08); }
.site-section { padding: 72px 0; }
.site-section-alt { background: var(--bg-2); }
.site-section-head { text-align: center; margin-bottom: 44px; }
.site-section-head h2 { font-size: 30px; margin: 0 0 10px; letter-spacing: 1px; }
.site-section-head p { color: var(--muted); margin: 0; font-size: 16px; }
.site-grid { display: grid; gap: 24px; }
.site-grid-3 { grid-template-columns: repeat(3, 1fr); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-nav { display: flex; align-items: center; height: var(--header-h); gap: 24px; }
.site-logo { font-weight: 800; font-size: 20px; color: var(--text); display: flex; align-items: center; }
.site-logo img { height: 34px; }
.site-logo-text { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.site-menu { display: flex; gap: 26px; margin-left: auto; }
.site-menu a { color: var(--text); font-size: 15px; opacity: .85; }
.site-menu a:hover { color: var(--primary); opacity: 1; }
.site-nav-cta { margin-left: 8px; }
.site-menu-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--text); }

/* Hero */
.site-hero { background: radial-gradient(1200px 500px at 80% -10%, rgba(45,140,240,.12), transparent), var(--bg); padding: 70px 0 80px; overflow: hidden; }
.site-hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.site-hero-title { font-size: 44px; line-height: 1.2; margin: 0 0 18px; font-weight: 800; }
.site-hero-sub { font-size: 18px; color: var(--muted); margin: 0 0 28px; }
.site-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.site-hero-visual { display: flex; justify-content: flex-end; }
.site-hero-card { width: 100%; max-width: 380px; background: linear-gradient(135deg, var(--primary), var(--primary-2)); border-radius: 22px; padding: 30px; color: #fff; box-shadow: var(--shadow); }
.site-hero-card-row { display: flex; gap: 8px; margin-bottom: 18px; }
.site-hero-card-row span { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.25); }
.site-hero-card-big { font-size: 30px; font-weight: 800; margin-bottom: 6px; }
.site-hero-card p { margin: 0; opacity: .9; }

/* Stats */
.site-stats { background: var(--bg-3); padding: 40px 0; }
.site-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.site-stat-num { font-size: 34px; font-weight: 800; color: var(--primary); }
.site-stat-label { color: var(--muted); font-size: 15px; }

/* Cards / features */
.site-card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px; box-shadow: var(--shadow-sm); transition: transform .15s ease, box-shadow .15s ease; }
.site-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.site-card-icon { width: 52px; height: 52px; border-radius: 14px; background: rgba(45,140,240,.1); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 16px; }
.site-card h3 { margin: 0 0 8px; font-size: 19px; }
.site-card p { margin: 0; color: var(--muted); font-size: 15px; }

/* Products */
.site-product { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .15s ease, box-shadow .15s ease; }
.site-product:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.site-product-img { height: 160px; background: linear-gradient(135deg, var(--bg-3), var(--line)); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.site-product-img img { width: 100%; height: 100%; object-fit: cover; }
.site-product-img-ph { font-size: 56px; font-weight: 800; color: var(--primary); opacity: .35; }
.site-product h3 { margin: 16px 18px 6px; font-size: 18px; }
.site-product p { margin: 0 18px 14px; color: var(--muted); font-size: 14px; }
.site-product-price { margin: 0 18px 18px; color: var(--secondary); font-weight: 700; font-size: 16px; }

/* About */
.site-about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.site-about-text h2 { font-size: 30px; margin: 0 0 16px; }
.site-about-text p { color: var(--muted); font-size: 16px; margin: 0 0 16px; }
.site-about-visual { aspect-ratio: 4/3; border-radius: 20px; background: linear-gradient(135deg, var(--primary), var(--secondary)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 32px; font-weight: 800; box-shadow: var(--shadow); }

/* FAQ（GEO 问答区块，details/summary 原生折叠，内容常驻 DOM 供生成式引擎抓取） */
.site-faq { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.site-faq-item { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.site-faq-item summary { cursor: pointer; padding: 16px 22px; font-size: 16px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.site-faq-item summary::-webkit-details-marker { display: none; }
.site-faq-item summary::after { content: "+"; font-size: 20px; color: var(--primary); font-weight: 700; transition: transform .2s ease; flex: none; }
.site-faq-item[open] summary::after { transform: rotate(45deg); }
.site-faq-item[open] summary { color: var(--primary); }
.site-faq-answer { padding: 0 22px 18px; color: var(--muted); font-size: 15px; line-height: 1.8; }

/* Contact */
.site-contact { background: var(--bg-2); }
.site-contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.site-contact-info h2 { font-size: 28px; margin: 0 0 18px; }
.site-contact-line { color: var(--text); font-size: 16px; margin: 10px 0; }
.site-contact-form { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.site-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.site-contact-form input, .site-contact-form textarea {
    width: 100%; padding: 11px 14px; margin-bottom: 12px; border: 1px solid var(--line);
    border-radius: var(--radius-sm); font-size: 14px; font-family: inherit; color: var(--text); background: var(--bg);
}
.site-contact-form input:focus, .site-contact-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(45,140,240,.15); }
.site-contact-form .site-btn { width: 100%; border: none; }
.site-form-tip { font-size: 13px; min-height: 18px; margin-top: 4px; }
.site-form-err { color: #F56C6C; }
.site-form-ok { color: #67C23A; }

/* Footer */
.site-footer { background: #16202e; color: #cdd6e3; padding: 48px 0 28px; }
.site-footer-inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.site-footer-logo { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.site-footer-brand p { margin: 4px 0; font-size: 14px; }
.site-footer-icp { color: #8a97a8; font-size: 12px; }
.site-footer-nav { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
.site-footer-nav a { color: #cdd6e3; opacity: .85; font-size: 14px; }
.site-footer-nav a:hover { color: #fff; opacity: 1; }

/* Responsive */
@media (max-width: 900px) {
    .site-hero-inner, .site-about-inner, .site-contact-inner { grid-template-columns: 1fr; }
    .site-hero-visual { justify-content: flex-start; margin-top: 10px; }
    .site-grid-3 { grid-template-columns: 1fr 1fr; }
    .site-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .site-hero-title { font-size: 34px; }
    .site-menu { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; flex-direction: column; background: #fff; padding: 14px 20px; border-bottom: 1px solid var(--line); }
    .site-menu.site-menu-open { display: flex; }
    .site-nav-cta { display: none; }
    .site-menu-toggle { display: block; margin-left: auto; }
}
@media (max-width: 560px) {
    .site-grid-3 { grid-template-columns: 1fr; }
    .site-form-row { grid-template-columns: 1fr; }
    .site-section { padding: 50px 0; }
    .site-hero-title { font-size: 28px; }
}

/* ===== 布局变体修饰类（模板可套用，扩展默认站点形态，不影响默认皮肤） ===== */
.site-grid-2 { grid-template-columns: repeat(2, 1fr); }
.site-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Hero：居中对齐（单栏） */
.site-hero--center .site-hero-inner { grid-template-columns: 1fr; text-align: center; justify-items: center; }
.site-hero--center .site-hero-visual { display: none; }
.site-hero--center .site-hero-actions { justify-content: center; }

/* Hero：暗色（主色渐变铺底 + 浅色文字） */
.site-hero--dark { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; }
.site-hero--dark .site-hero-title { color: #fff; }
.site-hero--dark .site-hero-sub { color: rgba(255,255,255,.88); }
.site-hero--dark .site-hero-card { background: rgba(255,255,255,.12); box-shadow: none; }
.site-hero--dark .site-hero-card p { opacity: .9; }

/* 区块：暗色（主色铺底，卡片反白） */
.site-section--dark { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; }
.site-section--dark .site-section-head h2 { color: #fff; }
.site-section--dark .site-section-head p { color: rgba(255,255,255,.85); }
.site-section--dark .site-card,
.site-section--dark .site-product { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.18); color: #fff; }
.site-section--dark .site-card h3,
.site-section--dark .site-card p,
.site-section--dark .site-product h3,
.site-section--dark .site-product p { color: #fff; }
.site-section--dark .site-card-icon { background: rgba(255,255,255,.2); color: #fff; }
.site-section--dark .site-product-img-ph { color: #fff; opacity: .5; }

/* 头部：实色（主色渐变铺底 + 白色文字） */
.site-header--solid { background: linear-gradient(135deg, var(--primary), var(--primary-2)); border-bottom: none; box-shadow: 0 6px 20px rgba(0,0,0,.12); }
.site-header--solid .site-logo,
.site-header--solid .site-menu a,
.site-header--solid .site-menu-toggle { color: #fff; }
.site-header--solid .site-logo-text { background: #fff; -webkit-background-clip: text; background-clip: text; color: transparent; }
.site-header--solid .site-menu a:hover { color: #fff; opacity: .8; }

@media (max-width: 560px) {
    .site-grid-2, .site-grid-4 { grid-template-columns: 1fr; }
}

/* ===== 分站内容页（GEO 城市关键词落地页） ===== */
.site-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); margin-bottom: 24px; flex-wrap: wrap; }
.site-breadcrumb a { color: var(--muted); }
.site-breadcrumb a:hover { color: var(--primary); }
.site-breadcrumb em { font-style: normal; color: var(--text); font-weight: 600; }
.site-breadcrumb-sep { color: var(--line); }
.site-page-grid { display: grid; grid-template-columns: 1fr 320px; gap: 36px; align-items: start; }
.site-article-title { font-size: 32px; line-height: 1.35; margin: 0 0 14px; font-weight: 800; }
.site-article-meta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; font-size: 13px; color: var(--muted); margin-bottom: 22px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.site-article-kw { background: rgba(45,140,240,.1); color: var(--primary); padding: 2px 10px; border-radius: 999px; font-weight: 600; }
.site-article-body { font-size: 16px; line-height: 1.9; color: var(--text); word-break: break-word; }
.site-article-body h2 { font-size: 22px; margin: 28px 0 12px; }
.site-article-body h3 { font-size: 18px; margin: 22px 0 10px; }
.site-article-body p { margin: 0 0 14px; }
.site-article-body img { border-radius: var(--radius-sm); margin: 14px 0; }
.site-article-body ul, .site-article-body ol { padding-left: 22px; margin: 0 0 14px; }
.site-article-faq { margin-top: 34px; }
.site-article-faq h2 { font-size: 22px; margin: 0 0 16px; }
.site-page-side { position: sticky; top: calc(var(--header-h) + 16px); display: grid; gap: 18px; }
.site-page-card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.site-page-card h3 { margin: 0 0 10px; font-size: 18px; }
.site-page-card-tip { font-size: 13px; color: var(--muted); margin: 0 0 12px; line-height: 1.7; }
.site-page-card-phone { font-size: 20px; font-weight: 800; color: var(--primary); margin: 0 0 14px; }
.site-page-links a { display: block; padding: 8px 0; border-bottom: 1px dashed var(--line); color: var(--text); font-size: 14px; }
.site-page-links a:last-child { border-bottom: none; }
.site-page-links a:hover { color: var(--primary); }

@media (max-width: 900px) {
    .site-page-grid { grid-template-columns: 1fr; }
    .site-page-side { position: static; }
    .site-article-title { font-size: 26px; }
}

/* 首页内容页内链磁贴（GEO 内链权重传导） */
.site-page-tile { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; box-shadow: var(--shadow-sm); transition: transform .15s ease, box-shadow .15s ease; display: flex; flex-direction: column; gap: 6px; }
.site-page-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.site-page-tile h3 { margin: 0; font-size: 17px; color: var(--primary); }
.site-page-tile p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.site-page-tile-more { font-size: 13px; color: var(--primary); margin-top: 6px; }