/* ============================================================
   龙铭特种作业 · 金属非金属矿山作业 kuangshan.css
   签名 S21：152° 对角渐变分割（内容居左）+ 粗颗粒噪点装饰
   ============================================================ */

/* ---------- 首屏 S21 ---------- */
.hero{
  position:relative;min-height:90vh;display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(152deg,#0b0b0c 0%,#0b0b0c 44%,#232326 78%,#2e2e33 100%);
}
/* 粗颗粒噪点装饰 */
.hero-grain{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1.6px);
  background-size:14px 14px;
  mask-image:linear-gradient(152deg,#000 30%,transparent 75%);
  -webkit-mask-image:linear-gradient(152deg,#000 30%,transparent 75%);
}
.hero-inner{position:relative;z-index:2;padding:150px 0 90px;max-width:640px}
.hero .crumbs{margin-bottom:18px}
.hero .tag{margin-bottom:20px}
.hero-title{font-size:clamp(32px,5vw,56px);line-height:1.16;font-weight:900;margin:16px 0 20px}
.hero-title b{color:#fff;background:linear-gradient(180deg,transparent 62%,rgba(255,255,255,.16) 62%)}
.hero-lead{font-size:16px;color:var(--muted-dark);max-width:520px;line-height:1.9;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

.inlink{color:#fff;border-bottom:1px solid rgba(255,255,255,.4);transition:.25s}
.inlink:hover{border-color:#fff}

/* ---------- 本地矿山背景（浅底） ---------- */
.local-sec{background:var(--paper);color:var(--txt-on-light)}
.local-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.local-card{background:#fff;border:1px solid var(--line-dark);border-radius:12px;padding:28px;transition:.4s var(--ease)}
.local-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(11,11,12,.12)}
.lc-tag{display:inline-block;font-size:12px;letter-spacing:.2em;font-weight:800;background:var(--ink);color:#fff;padding:5px 14px;border-radius:4px;margin-bottom:16px}
.local-card p{font-size:14.5px;color:var(--muted-light);line-height:1.9}

/* ---------- 工种是什么 ---------- */
.what-sec{background:var(--ink)}
.what-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center}
.what-txt p{font-size:15px;color:var(--muted-dark);line-height:1.95;margin-bottom:14px}
.what-txt .sec-title{margin-bottom:22px}
.what-fig img{width:100%;border-radius:12px;object-fit:cover}
.fig-cap{font-size:13px;color:var(--muted-dark);margin-top:12px;line-height:1.7}

/* ---------- 报考条件行 ---------- */
.section-alt{background:var(--ink-2)}
.cond-rows{display:flex;flex-direction:column}
.cond-row{display:grid;grid-template-columns:80px 160px 1fr;gap:24px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.cr-no{font-size:26px;font-weight:900;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.5)}
.cond-row h3{font-size:18px;font-weight:800}
.cond-row p{font-size:14.5px;color:var(--muted-dark);line-height:1.8}

/* ---------- 考试四宫格 ---------- */
.exam-sec{background:var(--ink)}
.exam-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.exam-txt{background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:28px;transition:.4s var(--ease)}
.exam-txt:hover{border-color:rgba(255,255,255,.3);transform:translateY(-4px)}
.exam-txt h3{font-size:18px;font-weight:800;margin-bottom:10px}
.exam-txt p{font-size:14px;color:var(--muted-dark);line-height:1.85}

/* ---------- 材料（浅底列表） ---------- */
.mat-sec{background:var(--paper);color:var(--txt-on-light)}
.mat-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;max-width:820px}
.mat-list li{
  padding:16px 0 16px 34px;position:relative;font-size:15.5px;color:#17171a;
  border-bottom:1px solid var(--line-dark);
}
.mat-list li::before{content:"";position:absolute;left:4px;top:24px;width:12px;height:12px;border:2px solid #000;border-radius:2px;transform:rotate(45deg)}

/* ---------- 场景大图 ---------- */
.fig-sec{background:var(--ink)}
.fig-wide{position:relative;border-radius:16px;overflow:hidden}
.fig-wide img{width:100%;height:420px;object-fit:cover}
.fig-ov{
  position:absolute;left:0;right:0;bottom:0;padding:30px 34px;
  background:linear-gradient(0deg,rgba(11,11,12,.92),transparent);
}
.fig-ov h3{font-size:22px;font-weight:900;margin-bottom:6px}
.fig-ov p{font-size:14px;color:var(--muted-dark);max-width:620px}

/* ---------- 适合谁 ---------- */
.fit-sec{background:var(--ink-2)}
.fit-tags{display:flex;flex-wrap:wrap;gap:12px}
.fit-tag{padding:11px 20px;border:1px solid var(--line);border-radius:6px;font-size:14px;background:var(--ink-3);transition:.3s var(--ease)}
.fit-tag:hover{background:#fff;color:#000;border-color:#fff;transform:translateY(-3px)}

/* ---------- FAQ ---------- */
.faq-sec{background:var(--ink)}
.faq-list{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{cursor:pointer;list-style:none;padding:20px 0;font-size:16.5px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--muted-dark);flex:none;transition:.3s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 0 20px;color:var(--muted-dark);font-size:14.5px;line-height:1.9;max-width:760px}

/* ---------- CTA ---------- */
.cta-sec{background:var(--paper);color:var(--txt-on-light)}
.cta-strip{background:var(--ink);color:#fff;border-radius:18px;padding:50px 56px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-strip::before{content:"";position:absolute;left:-50px;bottom:-60px;width:200px;height:200px;border-radius:50%;border:1px solid rgba(255,255,255,.12)}
.cta-strip h2{font-size:clamp(22px,2.8vw,32px);font-weight:900;margin-bottom:8px}
.cta-strip p{color:var(--muted-dark);font-size:14.5px}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .local-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
  .what-grid{grid-template-columns:1fr;gap:30px}
  .cond-row{grid-template-columns:60px 1fr;gap:14px}
  .cond-row p{grid-column:1 / -1}
}
@media (max-width:768px){
  .local-grid{grid-template-columns:1fr}
  .exam-grid{grid-template-columns:1fr}
  .mat-list{grid-template-columns:1fr}
  .fig-wide img{height:260px}
}
@media (max-width:480px){
  .cta-strip{padding:34px 24px}
}

/* ============================================================
   R2 重构新增：② 双卡排版、⑦ 矿山安全常识段
   ============================================================ */

/* ② 这证管哪些岗：配图两张上下排 */
.what-fig img{margin-bottom:16px}
.what-fig img:last-of-type{margin-bottom:0}

/* ⑦ 矿山安全常识段 */
.safety-sec{background:var(--ink-2)}
.safety-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:start}
.safety-txt .sec-title{margin-bottom:16px}
.safety-txt>p{font-size:15px;color:var(--muted-dark);line-height:1.9;margin-bottom:26px}
.safety-points{display:flex;flex-direction:column}
.sp-item{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);align-items:start}
.sp-no{font-size:22px;font-weight:900;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.55)}
.sp-item p{font-size:14.5px;color:var(--muted-dark);line-height:1.85}
.sp-item b{color:#fff;font-size:15.5px}
.safety-fig img{width:100%;border-radius:12px;height:280px;object-fit:cover;margin-bottom:14px}
.safety-fig p{font-size:13.5px;color:var(--muted-dark);line-height:1.85}

@media (max-width:1024px){
  .safety-grid{grid-template-columns:1fr;gap:34px}
}