/* 香河众森网络科技有限公司 官网 — 纯静态，无外部依赖 */
:root{
  --ink:#1b1d27;
  --muted:#5b6170;
  --deep:#1a1a2e;
  --mid:#2c3a67;
  --accent:#c9a46a;
  --accent-ink:#1a1a2e;
  --cream:#f4f1ea;
  --paper:#f7f6f3;
  --card:#fff;
  --line:rgba(26,26,46,.12);
  --shadow:0 10px 30px rgba(26,26,46,.08);
  --radius:16px;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.75;
  font-size:16px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--mid);text-decoration:none}
a:hover{color:var(--deep)}
.wrap{width:min(var(--max), calc(100% - 32px));margin:0 auto}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:1000}
.skip:focus{left:8px;top:8px}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0}
.brand{display:flex;align-items:center;gap:12px;color:inherit}
.mark{
  width:42px;height:42px;border-radius:10px;background:var(--deep);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;letter-spacing:.05em;font-size:14px;flex-shrink:0
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;color:var(--deep)}
.brand-text span{font-size:12px;color:var(--muted)}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line);border-radius:10px;
  width:44px;height:44px;cursor:pointer;padding:10px
}
.nav-toggle span{display:block;height:2px;background:var(--deep);margin:5px 0;border-radius:1px}
.nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav a{display:block;padding:8px 12px;border-radius:999px;color:var(--ink);font-size:15px}
.nav a:hover,.nav a.is-active{background:var(--deep);color:#fff}

.hero{
  position:relative;min-height:420px;display:flex;align-items:flex-end;
  background:var(--deep) center/cover no-repeat;color:#fff;
}
.hero.no-photo{
  background:linear-gradient(145deg, var(--deep) 0%, #2c3a67 55%, #c9a46a 160%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,12,24,.25) 0%,rgba(8,12,24,.72) 100%)
}
.hero.no-photo::after{background:linear-gradient(180deg,rgba(8,12,24,.15),rgba(8,12,24,.45))}
.hero-inner{position:relative;z-index:1;padding:72px 0 48px}
.eyebrow{display:inline-block;letter-spacing:.2em;font-size:12px;color:var(--accent);margin:0 0 10px}
.hero h1{margin:0 0 12px;font-size:clamp(28px,5vw,46px);line-height:1.2;font-weight:700}
.hero p{margin:0 0 22px;max-width:38em;font-size:18px;color:rgba(255,255,255,.92)}
.page-hero{min-height:240px}
.page-hero .hero-inner{padding:56px 0 36px}

.btn{
  display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:600;
  padding:10px 20px;border-radius:999px;margin-right:10px;margin-top:6px
}
.btn:hover{filter:brightness(1.08);color:var(--accent-ink)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7)}
.btn-ghost:hover{background:#fff;color:var(--deep)}

section{padding:64px 0}
.section-head{margin:0 0 28px}
.section-head h2{margin:0 0 8px;font-size:28px;color:var(--deep)}
.section-head p{margin:0;color:var(--muted)}
.muted{color:var(--muted)}
.prose{max-width:46em}
.prose p{margin:0 0 1em}

.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow)
}
.card h3{margin:0 0 8px;font-size:18px;color:var(--deep)}
.card p{margin:0;color:var(--muted);font-size:15px}
.num{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;background:var(--deep);color:#fff;
  font-size:13px;margin-right:8px
}
.note{font-size:13px;color:var(--muted);margin-top:16px}
.cta{background:var(--deep);color:#fff;text-align:center}
.cta h2{margin:0 0 8px}
.cta p{margin:0 0 16px;color:rgba(255,255,255,.9)}

.contact-list{list-style:none;margin:0;padding:0}
.contact-list li{padding:14px 0;border-bottom:1px solid var(--line)}
.contact-list strong{display:block;color:var(--deep)}

.site-footer{background:var(--deep);color:#d5d8e0;padding:40px 0 20px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;margin-bottom:24px}
.site-footer h3{margin:0 0 12px;color:#fff;font-size:16px}
.site-footer a{color:#d5d8e0}
.site-footer a:hover{color:var(--accent)}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:0 0 8px}
.copy{border-top:1px solid rgba(255,255,255,.12);padding-top:16px;color:#9aa3b2;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between}

.empty{
  border:1px dashed var(--line);border-radius:var(--radius);padding:32px;background:#fff;color:var(--muted)
}

@media (max-width:900px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line)}
  .nav.open{display:block}
  .nav ul{flex-direction:column;padding:8px 16px 16px}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  section{padding:48px 0}
  .header-inner .phone-slot{display:none}
}


/* enrich: article typography, news list, service card actions — existing header/footer/nav/hero rules unchanged */
.crumb{font-size:13px;color:var(--muted);margin:0 0 18px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--deep)}
.article{max-width:46em}
.article-meta{color:var(--muted);font-size:14px;margin:0 0 22px}
.article h2{font-size:20px;color:var(--deep);margin:1.5em 0 .55em}
.article ul,.article ol{margin:0 0 1em;padding-left:1.4em;color:var(--muted)}
.article li{margin:0 0 .4em}
.article-nav{margin-top:32px;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px 20px}
.include-list{margin:12px 0 0;padding-left:1.2em;color:var(--muted)}
.include-list li{margin:0 0 .35em}
.card-actions{margin-top:16px}
.card-actions a{margin-right:14px}
.news-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.news-item{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow);color:inherit
}
a.news-item:hover{border-color:var(--mid);color:inherit}
.news-item .meta{font-size:13px;color:var(--muted);margin:0 0 6px}
.news-item h3{margin:0 0 6px;font-size:18px;color:var(--deep)}
.news-item p{margin:0;color:var(--muted);font-size:15px}
.tag{display:inline-block;margin-right:10px}
.prose h2{font-size:20px;color:var(--deep);margin:1.6em 0 .55em}
.prose ul{margin:0 0 1em;padding-left:1.3em;color:var(--muted)}

/* enrich2: license-scope blocks */
.scope{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;line-height:1.9;font-size:15px;color:var(--ink)
}
.scope p{margin:0 0 .8em}
.scope p:last-child{margin:0}
.sub-links{margin:12px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px 14px}
.sub-links a{color:var(--mid)}