/* ============================================================
   industry-electronics.css 电子电器建站页
   布局：错位叠层双图 Hero → 数据块 → 痛点分栏 → 交替图文 → 暗色模块 → CTA
   ============================================================ */

/* ---------- Hero ---------- */
.el-hero{padding:calc(var(--nav-h) + var(--topbar-h) + 70px) 0 90px;background:linear-gradient(120deg,var(--coffee-bg) 0%,#fff 60%)}
.el-hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.el-eyebrow{font-size:13px;font-weight:800;letter-spacing:.18em;color:var(--coffee-deep);margin-bottom:16px}
.el-title{font-size:clamp(34px,4.6vw,54px);line-height:1.22;font-weight:900;margin-bottom:18px}
.el-gold{color:var(--coffee-deep)}
.el-hero-text p{font-size:15.5px;color:var(--text-2);line-height:1.9;margin-bottom:26px;max-width:480px}
.el-cta{display:flex;gap:14px;flex-wrap:wrap}
.el-hero-imgs{position:relative;min-height:380px}
.el-img-a{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:78%}
.el-img-b{position:absolute;right:0;bottom:-30px;width:58%;border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:8px solid #fff}

/* ---------- 数据块 ---------- */
.el-viz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.el-viz-block{background:var(--ink);color:#fff;border-radius:18px;padding:32px 28px}
.el-viz-block b{display:block;font-size:44px;font-weight:900;color:var(--coffee-bright);line-height:1.1}
.el-viz-block p{margin-top:10px;font-size:14px;color:#B7AE9E;line-height:1.8}

/* ---------- 痛点分栏 ---------- */
.el-pain-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.el-pain-list li{padding:12px 0 12px 16px;border-left:3px solid var(--coffee);font-size:14.5px;color:var(--text-2);line-height:1.85}
.el-pain-list b{color:var(--ink);margin-right:8px}
.el-pain-fig img{border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}

/* ---------- 方案交替 ---------- */
.el-plan-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:56px}
.el-plan-row img{border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}
.el-plan-body h3{font-size:22px;margin-bottom:12px}
.el-plan-body p{font-size:15px;color:var(--text-2);line-height:1.9}
.el-plan-flip figure{order:2}

/* ---------- 模块 ---------- */
.el-mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.el-mod-item{background:var(--ink-3);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:26px 24px}
.el-mod-item h3{color:#fff;font-size:16px;margin-bottom:8px}
.el-mod-item p{color:#B7AE9E;font-size:13.5px;line-height:1.75}

/* ---------- 案例 ---------- */
.el-case{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;background:var(--coffee-bg);border-radius:var(--radius-lg);padding:26px}
.el-case img{border-radius:var(--radius-md)}
.el-case-tag{display:inline-block;font-size:12px;font-weight:800;color:var(--coffee-deep);background:#fff;padding:5px 14px;border-radius:999px;margin-bottom:12px}
.el-case-body h3{font-size:21px;margin-bottom:10px}
.el-case-body p{font-size:14.5px;color:var(--text-2);line-height:1.85}

/* ---------- 手风琴 ---------- */
.acc-item{border:1px solid var(--line);border-radius:14px;margin-bottom:14px;background:#fff;overflow:hidden}
.acc-head{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-size:15.5px;font-weight:700;color:var(--ink);text-align:left}
.acc-head svg{width:18px;height:18px;flex-shrink:0;color:var(--coffee-deep);transition:transform .35s}
.acc-item.open .acc-head svg{transform:rotate(180deg)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .45s ease}
.acc-panel p{padding:0 24px 20px;color:var(--text-2);font-size:14.5px;line-height:1.9}

/* ---------- 相关行业 ---------- */
.el-related{padding:20px 0 50px}
.el-related-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.el-related-link{display:flex;justify-content:space-between;align-items:center;background:var(--coffee-bg);color:var(--ink);border:1px solid var(--line);border-radius:14px;padding:18px 22px;font-weight:800;font-size:15px;transition:all .3s}
.el-related-link span{color:var(--coffee-deep)}
.el-related-link:hover{background:var(--ink);color:#fff;transform:translateY(-4px)}

/* ---------- CTA ---------- */
.el-cta{background:var(--coffee-bg);text-align:center}
.el-cta-inner h2{font-size:clamp(28px,3.6vw,42px);margin-bottom:14px}
.el-cta-inner p{color:var(--text-2)}
.el-cta-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin:28px 0 18px}
.el-cta-note{font-size:13.5px;color:var(--text-2)}
.el-cta-note a{color:var(--coffee-deep);text-decoration:underline}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .el-hero-inner,.el-pain-grid,.el-plan-row,.el-case{grid-template-columns:1fr}
  .el-plan-flip figure{order:0}
  .el-viz-grid,.el-mod-grid{grid-template-columns:1fr}
  .el-related-row{grid-template-columns:1fr}
  .el-hero-imgs{min-height:300px}
}