/* ============================================================
   industry-logistics.css —— 物流运输建站页专属样式
   布局：斜切感 Hero / 大数字现状条 / 三卡方案 / 横向图标链 /
   图文案例 / 手风琴 FAQ / CTA
   ============================================================ */

/* ---------- 1. Hero ---------- */
.lg-hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;background:var(--ink)}
.lg-hero-bg{background-position:center 30%}
.lg-hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(100deg,rgba(20,20,20,.9) 0%,rgba(20,20,20,.6) 50%,rgba(20,20,20,.3) 100%),
    linear-gradient(0deg,rgba(20,20,20,.5),transparent 45%);
}
.lg-hero-inner{position:relative;z-index:3;padding-top:120px;max-width:820px}
.lg-crumb{display:flex;align-items:center;gap:10px;color:#CFC7B8;font-size:13px;margin-bottom:26px}
.lg-crumb a{color:#E9E2D6}
.lg-crumb a:hover{color:var(--coffee-bright)}
.lg-crumb em{font-style:normal;color:var(--coffee-bright)}
.lg-hero-title{color:#fff;font-size:clamp(38px,6vw,70px);font-weight:900;line-height:1.1;letter-spacing:-.02em;margin-bottom:22px}
.lg-ht{display:block}
.lg-gold{color:var(--coffee);position:relative}
.lg-gold::after{content:"";position:absolute;left:0;right:0;bottom:.05em;height:.12em;background:linear-gradient(90deg,var(--coffee),transparent);border-radius:2px}
.lg-hero-sub{color:#D8CFBF;font-size:clamp(15px,1.7vw,18px);line-height:1.9;margin-bottom:34px;max-width:620px}
.lg-hero-cta{display:flex;gap:16px;flex-wrap:wrap}
@media (max-width:640px){.lg-hero-cta .btn{width:100%}}

/* ---------- 2. 大数字现状条 ---------- */
.lg-nums{background:var(--ink);padding:64px 0;position:relative}
.lg-nums-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.lg-num b{display:block;font-size:clamp(38px,4.5vw,56px);font-weight:900;color:var(--coffee-bright);font-variant-numeric:tabular-nums;line-height:1.1}
.lg-num span{color:#B7AE9E;font-size:13.5px;margin-top:8px;display:block}
@media (max-width:768px){.lg-nums-inner{grid-template-columns:1fr 1fr;gap:36px}}

/* ---------- 3. 三卡方案 ---------- */
.lg-plan{background:var(--coffee-bg)}
.lg-plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.lg-plan-card{
  position:relative;background:#fff;border-radius:20px;padding:36px 28px;
  box-shadow:var(--shadow-sm);transition:all .4s;overflow:hidden;
}
.lg-plan-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--grad-coffee)}
.lg-plan-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg)}
.lg-plan-no{
  display:inline-flex;width:52px;height:52px;align-items:center;justify-content:center;
  background:var(--grad-ink);color:var(--coffee-bright);font-size:22px;font-weight:900;border-radius:14px;margin-bottom:18px;
}
.lg-plan-card h3{font-size:20px;margin-bottom:10px}
.lg-plan-card p{font-size:14.5px;color:var(--text-2);line-height:1.85}
@media (max-width:900px){.lg-plan-grid{grid-template-columns:1fr}}

/* ---------- 4. 横向图标链 ---------- */
.lg-mod{background:#fff}
.lg-chain{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;max-width:1000px;margin:0 auto}
.lg-chain-item{
  background:var(--coffee-bg);border:1px solid var(--line);border-radius:18px;
  padding:24px 26px;text-align:center;min-width:160px;transition:all .35s;
}
.lg-chain-item:hover{background:var(--grad-coffee);color:#fff;transform:translateY(-6px)}
.lg-chain-item:hover span{color:rgba(255,255,255,.9)}
.lg-chain-item i{display:block;font-style:normal;font-size:20px;font-weight:900;color:var(--coffee-deep);margin-bottom:8px}
.lg-chain-item:hover i{color:#fff}
.lg-chain-item span{font-size:13px;color:var(--text-2)}
.lg-chain-arrow{font-size:26px;color:var(--coffee);font-weight:800}
@media (max-width:768px){.lg-chain-arrow{transform:rotate(90deg)}}

/* ---------- 5. 图文案例 ---------- */
.lg-case{background:var(--coffee-bg)}
.lg-case-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.lg-case-media img{border-radius:22px;box-shadow:var(--shadow-lg);width:100%}
.lg-case-text .sec-title{font-size:clamp(26px,3.4vw,38px)}
.lg-case-text>p{color:var(--text-2);line-height:1.9;margin-bottom:26px}
.lg-sib{margin-top:22px;font-size:14px;color:var(--text-2)}
.lg-sib a{color:var(--coffee-deep);font-weight:700;margin:0 6px}
@media (max-width:900px){.lg-case-inner{grid-template-columns:1fr;gap:36px}}

/* ---------- 6. 手风琴 FAQ ---------- */
.lg-faq{background:#fff}
.lg-acc{max-width:860px;margin:0 auto}
.acc-item{background:var(--coffee-bg);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);background:#fff}
.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:#fff;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}

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