/* ============================================================
   龙铭特种作业 · 建筑施工特种作业 jianzhu.css
   签名 S04：105° 渐变上下对半（内容偏左）+ 描边斜向网格线装饰
   ============================================================ */

/* ---------- 首屏 S04 ---------- */
.hero{
  position:relative;min-height:90vh;display:flex;align-items:center;overflow:hidden;
  background:
    linear-gradient(105deg,#0b0b0c 0%,#0b0b0c 50%,#232326 50%,#2e2e33 100%);
}
/* 描边斜向网格线装饰 */
.hero-diag{
  position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:
    linear-gradient(45deg,transparent 49.6%,rgba(255,255,255,.12) 49.6%,rgba(255,255,255,.12) 50.4%,transparent 50.4%),
    linear-gradient(-45deg,transparent 49.6%,rgba(255,255,255,.10) 49.6%,rgba(255,255,255,.10) 50.4%,transparent 50.4%);
  background-size:80px 80px;
  mask-image:linear-gradient(105deg,#000 40%,transparent 80%);
  -webkit-mask-image:linear-gradient(105deg,#000 40%,transparent 80%);
}
.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}

/* ---------- 建筑分项（浅底） ---------- */
.kind-sec{background:var(--paper);color:var(--txt-on-light)}
.kind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.kind-card{position:relative;border-radius:14px;overflow:hidden;display:block;background:var(--ink);color:#fff;box-shadow:0 24px 50px rgba(11,11,12,.18);transition:.45s var(--ease)}
.kind-card:hover{transform:translateY(-8px)}
.kind-card img{width:100%;height:220px;object-fit:cover;transition:transform .6s var(--ease)}
.kind-card:hover img{transform:scale(1.05)}
.kc-body{display:block;padding:22px 24px 26px}
.kc-body b{display:block;font-size:19px;font-weight:800;margin-bottom:8px}
.kc-body p{font-size:14px;color:var(--muted-dark);line-height:1.8}

/* ---------- 工种是什么 ---------- */
.what-sec{background:var(--ink)}
.what-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.what-cols p{font-size:15px;color:var(--muted-dark);line-height:1.95;border-top:2px solid var(--line);padding-top:20px}

/* ---------- 报考条件 ---------- */
.section-alt{background:var(--ink-2)}
.cond-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center}
.cond-txt p{font-size:15px;color:var(--muted-dark);line-height:1.95;margin-bottom:14px}
.cond-txt .sec-title{margin-bottom:20px}
.cond-side{display:flex;flex-direction:column;gap:12px}
.cond-item{display:flex;align-items:center;gap:18px;background:var(--ink-3);border:1px solid var(--line);border-radius:10px;padding:16px 22px;transition:.35s var(--ease)}
.cond-item:hover{border-color:rgba(255,255,255,.3);transform:translateX(6px)}
.cond-item b{flex:none;width:48px;font-size:14px;color:#fff;letter-spacing:.1em}
.cond-item span{font-size:14px;color:var(--muted-dark)}

/* ---------- 材料（浅底） ---------- */
.mat-sec{background:var(--paper);color:var(--txt-on-light)}
.mat-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mat-item{background:#fff;border:1px solid var(--line-dark);border-radius:10px;padding:20px 22px}
.mat-item b{display:block;font-size:16px;color:#000;margin-bottom:6px}
.mat-item span{font-size:13.5px;color:var(--muted-light)}

/* ---------- 考试步骤 ---------- */
.exam-sec{background:var(--ink)}
.exam-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.exam-step{background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:30px 26px;transition:.4s var(--ease)}
.exam-step:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.3)}
.es-no{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:50%;background:#fff;color:#000;font-weight:900;font-size:18px;margin-bottom:16px}
.exam-step h3{font-size:18px;font-weight:800;margin-bottom:10px}
.exam-step p{font-size:14px;color:var(--muted-dark);line-height:1.85}

/* ---------- 本地怎么报 ---------- */
.local-sec{background:var(--ink-2)}
.local-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.local-cols p{font-size:15px;color:var(--muted-dark);line-height:1.95;border-top:2px solid var(--line);padding-top:18px}

/* ---------- 适合谁 ---------- */
.fit-sec{background:var(--ink)}
.fit-tags{display:flex;flex-wrap:wrap;gap:12px}
.fit-tag{padding:11px 20px;border:1px solid var(--line);border-radius:999px;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（浅底） ---------- */
.faq-sec{background:var(--paper);color:var(--txt-on-light)}
.faq-list{max-width:860px}
.faq-item{border-bottom:1px solid var(--line-dark)}
.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;color:#17171a}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--muted-light);flex:none;transition:.3s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 0 20px;color:var(--muted-light);font-size:14.5px;line-height:1.9;max-width:760px}
.faq-item .inlink{color:#000;border-bottom-color:rgba(0,0,0,.4)}

/* ---------- CTA ---------- */
.cta-sec{background:var(--ink)}
.cta-strip{background:linear-gradient(105deg,#1c1c1f,#0e0e10);color:#fff;border-radius:18px;padding:50px 56px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;border:1px solid var(--line)}
.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}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .kind-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
  .what-cols,.local-cols{grid-template-columns:1fr;gap:20px}
  .cond-grid{grid-template-columns:1fr;gap:30px}
  .exam-steps{grid-template-columns:1fr}
}
@media (max-width:768px){
  .kind-grid{grid-template-columns:1fr}
  .mat-list{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  .mat-list{grid-template-columns:1fr}
  .cta-strip{padding:34px 24px}
}

/* ============================================================
   R2 重构新增：② 对比表（深底）、⑦ 工地进场查证常识
   ============================================================ */

/* ② 对比表（深底 what-sec） */
.what-sec{background:var(--ink)}
.cmp-table{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.cmp-row{
  display:grid;grid-template-columns:1fr 1.4fr 1.4fr;gap:16px;padding:16px 22px;
  border-bottom:1px solid var(--line);font-size:14.5px;align-items:center;
}
.cmp-row:last-child{border-bottom:0}
.cmp-row span:first-child{font-weight:800;color:#fff}
.cmp-row span{color:var(--muted-dark)}
.cmp-head{background:var(--ink-3);font-weight:700;font-size:13.5px;letter-spacing:.04em}
.cmp-head span{color:#fff}
.cmp-note{margin-top:18px;font-size:14px;color:var(--muted-dark);max-width:820px;line-height:1.9}

/* ⑦ 进场查证常识（浅底） */
.checkin-sec{background:var(--paper);color:var(--txt-on-light)}
.checkin-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start}
.checkin-points{display:flex;flex-direction:column}
.ck-item{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line-dark);align-items:start}
.ck-no{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1.5px solid #000;font-weight:900;font-size:16px;color:#000}
.ck-item p{font-size:14.5px;color:var(--muted-light);line-height:1.85}
.ck-item b{color:#000;font-size:15.5px}
.checkin-fig img{width:100%;border-radius:12px;height:280px;object-fit:cover;margin-bottom:14px}
.checkin-fig p{font-size:13.5px;color:var(--muted-light);line-height:1.85}

@media (max-width:1024px){
  .checkin-grid{grid-template-columns:1fr;gap:30px}
}
@media (max-width:768px){
  .cmp-row{grid-template-columns:1fr;gap:4px}
  .cmp-head{display:none}
  .checkin-fig img{height:200px}
}