/* ============================================================
   河南全省建站 henan.css —— 壹捌玖网络科技
   布局：左对齐 Hero / 城市芯片网格 / 服务方式三列 /
   行业图条三卡 / 暗场数据带 / 手风琴 / CTA+区域互链
   ============================================================ */

/* ---------- 1. Hero ---------- */
.hero{
  position:relative;min-height:86vh;display:flex;align-items:center;
  overflow:hidden;background:var(--ink);
}
.hero-bg{background-position:center 32%}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(90deg,rgba(20,20,20,.92) 0%,rgba(20,20,20,.6) 55%,rgba(20,20,20,.3) 100%),
    linear-gradient(0deg,rgba(20,20,20,.5),transparent 50%);
}
.hero-inner{position:relative;z-index:3;padding-top:130px;padding-bottom:90px;max-width:760px}
.crumb{display:flex;align-items:center;gap:10px;color:#C9C0AF;font-size:13px;margin-bottom:26px;opacity:0;animation:fadeUp .6s .1s ease forwards}
.crumb a{color:#EDE6DA}
.crumb a:hover{color:var(--coffee-bright)}
.crumb em{color:var(--coffee-bright);font-style:normal;font-weight:700}
.hero-title{color:#fff;font-size:clamp(36px,5.4vw,62px);font-weight:900;line-height:1.14;letter-spacing:-.02em;margin-bottom:22px}
.ht-line{display:block;overflow:hidden;opacity:0}
.ht-line:nth-child(1){animation:slideUp .75s .22s cubic-bezier(.22,.68,.4,1) forwards}
.ht-line:nth-child(2){animation:slideUp .75s .4s cubic-bezier(.22,.68,.4,1) forwards}
.ht-gold{color:var(--coffee)}
.hero-sub{color:#D8CFBF;font-size:clamp(15px,1.7vw,18px);line-height:1.9;margin-bottom:34px;opacity:0;animation:fadeUp .7s .55s ease forwards}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;opacity:0;animation:fadeUp .7s .7s ease forwards}
@keyframes slideUp{from{opacity:0;transform:translateY(44px)}to{opacity:1;transform:none}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.scroll-hint{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);width:26px;height:44px;border:2px solid rgba(255,255,255,.4);border-radius:14px;z-index:4;display:flex;justify-content:center;padding-top:8px}
.scroll-hint span{width:3px;height:9px;border-radius:3px;background:#fff;animation:hintDrop 1.8s ease infinite}
@keyframes hintDrop{0%{opacity:0;transform:translateY(0)}35%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
@media (max-width:640px){
  .hero{min-height:auto;padding-bottom:40px}
  .hero-cta .btn{width:100%}
  .scroll-hint{display:none}
}

/* ---------- 2. 城市芯片 ---------- */
.cities{background:var(--coffee-bg)}
.city-chips{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:36px;max-width:880px;
  margin-left:auto;margin-right:auto;
}
.city-chips a,.city-chips span{
  padding:10px 22px;border-radius:100px;background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:700;color:var(--ink);box-shadow:var(--shadow-sm);transition:all .3s;
}
.city-chips a:hover{transform:translateY(-3px);border-color:var(--coffee);color:var(--coffee-deep)}
.city-chips a.on{background:var(--grad-coffee);border-color:transparent;color:#fff}

/* ---------- 3. 服务方式三列 ---------- */
.modes{background:#fff}
.md-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.md-item{
  border:1px solid var(--line);border-radius:20px;padding:34px 28px;position:relative;
  transition:all .4s;background:linear-gradient(180deg,#fff 0%,var(--coffee-bg) 100%);
}
.md-item:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--coffee)}
.md-tag{
  position:absolute;top:-13px;left:24px;background:var(--grad-ink);color:var(--coffee-bright);
  font-size:12px;font-weight:800;padding:4px 14px;border-radius:100px;letter-spacing:.1em;
}
.md-item h3{font-size:18px;margin:8px 0 12px}
.md-item p{font-size:13.5px;color:var(--text-2);line-height:1.9}
.md-item a{color:var(--coffee-deep);font-weight:700}
@media (max-width:900px){.md-grid{grid-template-columns:1fr}}

/* ---------- 4. 行业图条 ---------- */
.strip{background:var(--coffee-bg)}
.st-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.st-card{
  position:relative;display:block;border-radius:18px;overflow:hidden;height:220px;
}
.st-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s;opacity:.85}
.st-card:hover img{transform:scale(1.07);opacity:1}
.st-card span{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding:34px 20px 16px;
  color:#fff;font-size:16px;font-weight:800;
  background:linear-gradient(0deg,rgba(20,20,20,.85),transparent);
}
@media (max-width:900px){.st-row{grid-template-columns:1fr}}

/* ---------- 5. 数据带（暗场） ---------- */
.data{position:relative;overflow:hidden;background:var(--ink);padding:100px 0}
.data-bg{background-position:center}
.data-veil{position:absolute;inset:0;background:rgba(20,20,20,.78);z-index:1}
.data-inner{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.dc b{
  display:block;font-size:clamp(34px,4vw,48px);font-weight:900;color:var(--coffee-bright);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.dc span{display:block;margin-top:10px;font-size:14px;color:#D8CFBF}
@media (max-width:760px){.data-inner{grid-template-columns:1fr 1fr;gap:36px 16px}}

/* ---------- 6. FAQ ---------- */
.faqs{background:#fff}
.faq-wrap{max-width:860px}
.acc{border-top:2px solid var(--ink)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 6px;text-align:left;font-size:16.5px;font-weight:800;color:var(--ink);background:none;transition:color .3s;
}
.acc-head:hover{color:var(--coffee-deep)}
.acc-ico{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;border:1.5px solid var(--line);
  font-size:20px;font-weight:400;color:var(--coffee-deep);
  display:flex;align-items:center;justify-content:center;transition:all .35s;
}
.acc-item.open .acc-ico{background:var(--grad-coffee);border-color:transparent;color:#fff;transform:rotate(45deg)}
.acc-item.open .acc-head{color:var(--coffee-deep)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.22,.68,.4,1)}
.acc-panel p{padding:4px 4px 22px;font-size:14.5px;color:var(--text-2);line-height:1.95;max-width:720px}
.acc-panel a{color:var(--coffee-deep);font-weight:700}

/* ---------- 7. CTA ---------- */
.cta{position:relative;overflow:hidden;background:var(--ink);padding:120px 0}
.cta-bg{background-position:center 40%}
.cta-veil{position:absolute;inset:0;background:rgba(20,20,20,.8);z-index:1}
.cta-inner{position:relative;z-index:2;text-align:center}
.cta-title{color:#fff;font-size:clamp(26px,4vw,40px);font-weight:900;margin-bottom:18px}
.cta-sub{color:#D8CFBF;font-size:16px;margin-bottom:38px}
.cta-row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:36px}
.region-links{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.region-links a{
  padding:9px 22px;border-radius:100px;font-size:13px;font-weight:700;
  border:1px solid rgba(255,255,255,.3);color:#EDE6DA;transition:all .3s;
}
.region-links a:hover{border-color:var(--coffee);color:var(--coffee-bright)}
.region-links a.on{background:var(--grad-coffee);border-color:transparent;color:#fff}
@media (max-width:640px){.cta-row .btn{width:100%}}