/* ============================================================
   industry-manufacturing.css —— 制造业建站页专属样式
   布局：左对齐 Hero+悬浮数据卡 / 纵向大数字痛点清单 /
   左右分栏方案 / 图标网格功能模块 / 大图案例+侧栏互链 /
   手风琴 FAQ / CTA
   ============================================================ */

/* ---------- 1. Hero ---------- */
.mf-hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;background:var(--ink)}
.mf-hero-bg{background-position:center 32%}
.mf-hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(96deg,rgba(20,20,20,.9) 0%,rgba(20,20,20,.66) 50%,rgba(20,20,20,.34) 100%),
    linear-gradient(0deg,rgba(20,20,20,.55),transparent 45%);
}
.mf-hero-inner{position:relative;z-index:3;padding-top:120px;padding-bottom:90px;max-width:820px}
.mf-crumb{display:flex;align-items:center;gap:10px;color:#CFC7B8;font-size:13px;margin-bottom:26px}
.mf-crumb a{color:#E9E2D6}
.mf-crumb a:hover{color:var(--coffee-bright)}
.mf-crumb em{font-style:normal;color:var(--coffee-bright)}
.mf-hero-title{color:#fff;font-size:clamp(38px,6vw,72px);font-weight:900;line-height:1.1;letter-spacing:-.02em;margin-bottom:22px}
.mf-ht-line{display:block}
.mf-gold{color:var(--coffee);position:relative;white-space:nowrap}
.mf-gold::after{content:"";position:absolute;left:0;right:0;bottom:.05em;height:.12em;background:linear-gradient(90deg,var(--coffee),transparent);border-radius:2px}
.mf-hero-sub{color:#D8CFBF;font-size:clamp(15px,1.7vw,18px);line-height:1.9;margin-bottom:34px;max-width:620px}
.mf-hero-cta{display:flex;gap:16px;flex-wrap:wrap}
/* 右侧悬浮数据卡 */
.mf-hero-card{
  position:absolute;right:6%;top:50%;transform:translateY(-50%);z-index:3;
  background:rgba(255,255,255,.08);border:1px solid rgba(201,168,124,.4);
  backdrop-filter:blur(10px);border-radius:22px;padding:28px 30px;min-width:230px;
}
.mf-hp-row{display:flex;align-items:baseline;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
.mf-hp-row:last-child{border-bottom:none}
.mf-hp-row b{font-size:32px;font-weight:900;color:var(--coffee-bright);font-variant-numeric:tabular-nums}
.mf-hp-row span{color:#E9E2D6;font-size:13px}
@media (max-width:1100px){.mf-hero-card{display:none}}
@media (max-width:640px){.mf-hero-cta .btn{width:100%}}

/* ---------- 2. 痛点清单 ---------- */
.mf-pain{background:linear-gradient(180deg,#fff,var(--coffee-bg))}
.mf-pain-list{max-width:960px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.mf-pain-list li{
  display:flex;gap:26px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 30px;
  box-shadow:var(--shadow-sm);transition:all .4s;
}
.mf-pain-list li:hover{transform:translateX(8px);box-shadow:var(--shadow-md);border-color:var(--coffee)}
.mf-pain-num{
  flex-shrink:0;font-size:46px;font-weight:900;line-height:1;
  background:var(--grad-coffee);-webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:-.02em;
}
.mf-pain-list h3{font-size:19px;margin-bottom:8px}
.mf-pain-list p{font-size:14.5px;color:var(--text-2);line-height:1.85}
@media (max-width:640px){.mf-pain-list li{flex-direction:column;gap:10px}}

/* ---------- 3. 专属方案分栏 ---------- */
.mf-plan{background:#fff}
.mf-plan-inner{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.mf-plan-media{position:relative}
.mf-plan-media img{border-radius:22px;box-shadow:var(--shadow-lg);width:100%}
.mf-plan-stamp{
  position:absolute;right:-22px;bottom:-22px;
  background:var(--grad-ink);color:var(--coffee-bright);
  border-radius:16px;padding:18px 22px;text-align:center;
  font-size:14px;font-weight:800;line-height:1.5;
  box-shadow:var(--shadow-md);border:1px solid rgba(201,168,124,.4);
}
.mf-plan-text .sec-lead{margin-bottom:26px}
.mf-plan-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line)}
.mf-plan-list li:last-child{border-bottom:none}
.mf-plan-list b{
  flex-shrink:0;color:var(--coffee-deep);font-size:15px;font-weight:800;
  min-width:96px;
}
.mf-plan-list span{color:var(--text);font-size:14.5px;line-height:1.8}
@media (max-width:960px){
  .mf-plan-inner{grid-template-columns:1fr;gap:40px}
  .mf-plan-stamp{right:12px}
}

/* ---------- 4. 功能模块图标网格 ---------- */
.mf-modules{background:var(--coffee-bg)}
.mf-mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.mf-mod{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 26px;
  transition:all .4s cubic-bezier(.22,.68,.4,1);
}
.mf-mod:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.mf-mod-ico{
  width:54px;height:54px;border-radius:14px;margin-bottom:18px;
  background:var(--grad-coffee);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(169,136,89,.32);
}
.mf-mod-ico svg{width:26px;height:26px}
.mf-mod h3{font-size:18px;margin-bottom:8px}
.mf-mod p{font-size:14px;color:var(--text-2);line-height:1.8}
@media (max-width:900px){.mf-mod-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.mf-mod-grid{grid-template-columns:1fr}}

/* ---------- 5. 案例 + 侧栏互链 ---------- */
.mf-case{background:#fff}
.mf-case-inner{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:stretch}
.mf-case-card{
  position:relative;border-radius:22px;overflow:hidden;display:block;
  background:var(--ink);box-shadow:var(--shadow-md);
}
.mf-case-card img{width:100%;height:100%;object-fit:cover;min-height:340px;transition:transform .6s;opacity:.9}
.mf-case-card:hover img{transform:scale(1.06);opacity:1}
.mf-case-body{
  position:absolute;left:0;right:0;bottom:0;padding:30px 28px;
  background:linear-gradient(0deg,rgba(20,20,20,.95) 35%,transparent);color:#fff;
}
.mf-case-tag{
  display:inline-block;background:var(--grad-coffee);font-size:12px;font-weight:800;
  padding:5px 14px;border-radius:100px;margin-bottom:12px;
}
.mf-case-body h3{color:#fff;font-size:22px;margin-bottom:8px}
.mf-case-body p{font-size:14px;color:#C9C0AF;margin-bottom:12px}
.mf-case-more{font-size:14px;font-weight:800;color:var(--coffee-bright)}
.mf-case-side{
  background:var(--coffee-bg);border-radius:22px;padding:34px 30px;display:flex;flex-direction:column;justify-content:center;
}
.mf-case-side h3{font-size:20px;margin-bottom:10px}
.mf-case-side p{font-size:14px;color:var(--text-2);margin-bottom:18px}
.mf-case-side ul li{margin-bottom:10px}
.mf-case-side ul a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 18px;background:#fff;border-radius:12px;font-weight:700;font-size:14.5px;
  border:1px solid var(--line);transition:all .3s;
}
.mf-case-side ul a:hover{border-color:var(--coffee);color:var(--coffee-deep);transform:translateX(6px)}
@media (max-width:900px){.mf-case-inner{grid-template-columns:1fr}}

/* ---------- 6. 手风琴 FAQ ---------- */
.mf-faq{background:var(--coffee-bg)}
.mf-acc{max-width:860px;margin:0 auto}
.acc-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  margin-bottom:14px;overflow:hidden;transition:box-shadow .3s,border-color .3s;
}
.acc-item.open{box-shadow:var(--shadow-md);border-color:var(--coffee)}
.acc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;font-weight:800;font-size:16px;color:var(--ink);text-align:left;
  background:none;
}
.acc-ico{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  background:var(--coffee-bg);color:var(--coffee-deep);
  display:flex;align-items:center;justify-content:center;transition:all .3s;
}
.acc-ico svg{width:15px;height:15px;transition:transform .3s}
.acc-item.open .acc-ico{background:var(--grad-coffee);color:#fff}
.acc-item.open .acc-ico svg{transform:rotate(45deg)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .4s ease}
.acc-panel p{padding:0 24px 22px;color:var(--text-2);font-size:14.5px;line-height:1.9}
.acc-panel a{color:var(--coffee-deep);font-weight:700;text-decoration:underline}

/* ---------- 7. CTA ---------- */
.mf-cta{position:relative;overflow:hidden;background:var(--ink);padding:120px 0}
.mf-cta-bg{background-position:center 40%}
.mf-cta-veil{position:absolute;inset:0;background:rgba(20,20,20,.8);z-index:1}
.mf-cta-inner{position:relative;z-index:2;text-align:center}
.mf-cta-title{color:#fff;font-size:clamp(26px,4vw,42px);font-weight:900;margin-bottom:16px}
.mf-cta-sub{color:#D8CFBF;font-size:16px;margin-bottom:36px}
.mf-cta-row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
@media (max-width:640px){.mf-cta-row .btn{width:100%}}