/* ============================================================
   industry-agriculture.css —— 农业农资建站页专属样式
   布局：面包屑左对齐 Hero / 田间清单痛点 / 双栏图文方案 /
   图标模块 / 宽幅案例 / 手风琴 FAQ / CTA
   ============================================================ */

/* ---------- 1. Hero ---------- */
.ag-hero{position:relative;min-height:90vh;display:flex;align-items:center;overflow:hidden;background:var(--ink)}
.ag-hero-bg{background-position:center 30%}
.ag-hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(100deg,rgba(20,20,20,.92) 0%,rgba(20,20,20,.66) 55%,rgba(20,20,20,.35) 100%),
    linear-gradient(0deg,rgba(20,20,20,.5),transparent 45%);
}
.ag-hero-inner{position:relative;z-index:3;padding-top:120px;max-width:860px}
.ag-crumb{display:flex;align-items:center;gap:10px;color:#CFC7B8;font-size:13px;margin-bottom:26px}
.ag-crumb a{color:#E9E2D6}
.ag-crumb a:hover{color:var(--coffee-bright)}
.ag-crumb em{font-style:normal;color:var(--coffee-bright)}
.ag-hero-title{color:#fff;font-size:clamp(38px,6vw,68px);font-weight:900;line-height:1.12;letter-spacing:-.02em;margin-bottom:22px}
.ag-ht{display:block}
.ag-gold{color:var(--coffee);position:relative;white-space:nowrap}
.ag-gold::after{content:"";position:absolute;left:0;right:0;bottom:.05em;height:.12em;background:linear-gradient(90deg,var(--coffee),transparent);border-radius:2px}
.ag-hero-sub{color:#D8CFBF;font-size:clamp(15px,1.7vw,18px);line-height:1.9;margin-bottom:34px;max-width:640px}
.ag-hero-cta{display:flex;gap:16px;flex-wrap:wrap}
@media (max-width:640px){.ag-hero-cta .btn{width:100%}}

/* ---------- 2. 田间清单痛点 ---------- */
.ag-pain{background:#fff}
.ag-pain-list{list-style:none;margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.ag-pain-list li{display:flex;gap:20px;padding:26px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.ag-pain-list>li>b{
  flex-shrink:0;width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--grad-coffee);color:#fff;font-size:20px;font-weight:900;
}
.ag-pain-list h3{font-size:18px;margin-bottom:6px}
.ag-pain-list p{font-size:14.5px;color:var(--text-2);line-height:1.85}
@media (max-width:768px){.ag-pain-list{grid-template-columns:1fr}}

/* ---------- 3. 双栏图文方案 ---------- */
.ag-plan{background:var(--coffee-bg)}
.ag-plan-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center}
.ag-plan-text .sec-title{font-size:clamp(26px,3.4vw,38px)}
.ag-plan-text>p{color:var(--text-2);line-height:1.9;margin:18px 0 26px}
.ag-plan-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.ag-plan-cols h3{font-size:17px;margin-bottom:12px;color:var(--coffee-deep)}
.ag-plan-cols ul{display:flex;flex-direction:column;gap:9px}
.ag-plan-cols li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text)}
.ag-plan-cols li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--grad-coffee)}
.ag-plan-media img{border-radius:22px;box-shadow:var(--shadow-lg);width:100%}
@media (max-width:900px){.ag-plan-inner{grid-template-columns:1fr;gap:36px}}
@media (max-width:560px){.ag-plan-cols{grid-template-columns:1fr}}

/* ---------- 4. 图标模块 ---------- */
.ag-mod{background:#fff}
.ag-mod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.ag-mod{background:var(--coffee-bg);border-radius:18px;padding:30px 24px;transition:all .4s}
.ag-mod:hover{transform:translateY(-8px);background:#fff;box-shadow:var(--shadow-lg)}
.ag-mod b{display:block;font-size:17px;margin-bottom:8px;color:var(--ink)}
.ag-mod span{font-size:14px;color:var(--text-2);line-height:1.8}
@media (max-width:900px){.ag-mod-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ag-mod-grid{grid-template-columns:1fr}}

/* ---------- 5. 宽幅案例 ---------- */
.ag-case{background:var(--coffee-bg)}
.ag-case-media img{border-radius:22px;width:100%;box-shadow:var(--shadow-md)}
.ag-sib{text-align:center;margin-top:26px;font-size:14px;color:var(--text-2)}
.ag-sib a{color:var(--coffee-deep);font-weight:700;margin:0 6px}

/* ---------- 6. 手风琴 FAQ ---------- */
.ag-faq{background:#fff}
.ag-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}
.acc-panel a{color:var(--coffee-deep);font-weight:700;text-decoration:underline}

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