/* ============================================================
   龙铭特种作业 · 电工证分类 diangongzheng.css
   签名 S15：125° 对角渐变，内容居中偏左，装饰=方括号线框
   ============================================================ */

/* ---------- 首屏 S15 ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;background:var(--ink)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% center;opacity:.5;transform:scale(1.04)}
.hero-fade{
  position:absolute;inset:0;
  background:linear-gradient(125deg,rgba(11,11,12,.95) 0%,rgba(11,11,12,.75) 48%,rgba(11,11,12,.45) 78%,rgba(11,11,12,.9) 100%);
}
/* 方括号线框（S15 装饰） */
.bracket-frame{position:absolute;left:4%;top:50%;transform:translateY(-50%);width:min(560px,88%);height:66%;pointer-events:none}
.bf-corner{position:absolute;width:44px;height:44px;border:2px solid rgba(255,255,255,.5)}
.bf-tl{left:0;top:0;border-right:0;border-bottom:0}
.bf-tr{right:0;top:0;border-left:0;border-bottom:0}
.bf-bl{left:0;bottom:0;border-right:0;border-top:0}
.bf-br{right:0;bottom:0;border-left:0;border-top:0}
.hero-inner{position:relative;z-index:3;padding:150px 0 80px;max-width:620px;margin-left:6%}
.hero-crumbs{margin-bottom:22px}
.hero-title{font-size:clamp(32px,5vw,56px);line-height:1.2;font-weight:900;margin-bottom:20px}
.hero-title .hl{color:#fff}
.hero-lead{max-width:520px;font-size:16.5px;color:var(--muted-dark);margin-bottom:30px;line-height:1.9}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 分类卡片 ---------- */
.kind-sec{background:var(--ink)}
.kind-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.kind-card{
  display:flex;flex-direction:column;padding:32px 30px;border-radius:14px;
  background:var(--ink-2);border:1px solid var(--line);transition:.4s var(--ease);
}
.kind-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.3)}
.kd-tag{
  align-self:flex-start;font-size:12px;font-weight:800;letter-spacing:.14em;color:#000;
  background:#fff;border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.kind-card h3{font-size:22px;font-weight:900;margin-bottom:10px}
.kind-card p{font-size:14.5px;color:var(--muted-dark);line-height:1.85;flex:1}
.kd-go{margin-top:16px;font-size:14px;font-weight:700;color:#fff}

/* ---------- 范围对比表 ---------- */
.section-alt{background:var(--ink-2)}
.range-table{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.rt-row{display:grid;grid-template-columns:.8fr 1fr 1fr;padding:18px 24px;border-bottom:1px solid var(--line);font-size:14.5px;align-items:center}
.rt-row:last-child{border-bottom:0}
.rt-row span:nth-child(1){font-weight:800;color:#fff}
.rt-row span:nth-child(2),.rt-row span:nth-child(3){color:var(--muted-dark)}
.rt-head{background:var(--ink);font-size:13.5px;letter-spacing:.05em}
.rt-head span{color:#f2f2ee}

/* ---------- 实景图文 ---------- */
.scene-sec{background:var(--paper);color:var(--txt-on-light)}
.scene-sec .t-en{color:var(--muted-light)}
.scene-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:52px;align-items:center}
.scene-media img{border-radius:14px;width:100%;height:340px;object-fit:cover}
.scene-text .sec-title{margin-bottom:18px}
.scene-text p{font-size:15px;color:var(--muted-light);line-height:1.95;margin-bottom:13px}

/* ---------- 考证路线 ---------- */
.route-sec{background:var(--ink-2)}
.route-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:52px;align-items:center}
.route-text .sec-title{margin-bottom:22px}
.r-node{
  padding:14px 18px;border-left:3px solid #fff;background:var(--ink);
  border-radius:0 10px 10px 0;margin-bottom:10px;font-size:14.5px;color:var(--muted-dark);line-height:1.75;
}
.r-node b{color:#fff;margin-right:8px}
.route-media img{border-radius:14px;width:100%;height:340px;object-fit:cover}
.route-note{margin-top:14px;font-size:14px;color:var(--muted-light);line-height:1.9}

/* ---------- 本地报考 ---------- */
.local-sec{background:var(--ink)}
.local-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:52px;align-items:center}
.local-media img{border-radius:14px;width:100%;height:320px;object-fit:cover}
.local-body .sec-title{margin-bottom:18px}
.local-body p{font-size:15px;color:var(--muted-dark);line-height:1.95;margin-bottom:13px}
.local-body a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4)}

/* ---------- 防爆电气简介（图文左右） ---------- */
.exsec{background:var(--ink-2)}
.ex-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:52px;align-items:center}
.ex-media img{border-radius:14px;width:100%;height:320px;object-fit:cover}
.ex-body .sec-title{margin-bottom:18px}
.ex-body p{font-size:15px;color:var(--muted-dark);line-height:1.95;margin-bottom:13px}

/* ---------- 复审周期提醒条 ---------- */
.renew-sec{background:var(--ink);padding-top:0}
.renew-strip{
  position:relative;background:var(--ink-3);border:1px solid var(--line);border-left:4px solid #fff;
  border-radius:14px;padding:40px 46px;
}
.renew-strip h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;margin-bottom:14px}
.renew-strip p{font-size:15px;color:var(--muted-dark);line-height:1.95;max-width:820px;margin-bottom:20px}

/* ---------- FAQ ---------- */
.faq-sec{background:var(--ink-2)}
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px}
.faq-item{border:1px solid var(--line);border-radius:10px;background:var(--ink-3);padding:20px 26px}
.faq-item summary{font-size:16.5px;font-weight:800;cursor:pointer;list-style:none;position:relative;padding-right:30px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:#fff;transition:.3s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item p{margin-top:12px;font-size:14.5px;color:var(--muted-dark);line-height:1.9}
.faq-more{margin-top:24px;font-size:14.5px;color:var(--muted-dark)}
.faq-more a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4)}

/* ---------- CTA ---------- */
.cta-sec{background:var(--ink)}
.cta-strip{
  background:var(--paper);color:#0b0b0c;border-radius:18px;padding:48px 54px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;
}
.cta-strip h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;margin-bottom:10px}
.cta-strip p{color:var(--muted-light);font-size:14.5px}
.cta-form .form-item input{background:#fff;border-color:var(--line-dark);color:#000}
.cta-form .form-item input::placeholder{color:#9c9c96}
.cta-form .btn{grid-column:1/-1;background:#0b0b0c;color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .kind-grid{grid-template-columns:1fr}
}
@media (max-width:1024px){
  .bracket-frame{display:none}
  .hero-inner{margin-left:0;max-width:100%}
  .scene-wrap,.route-wrap,.local-wrap,.ex-wrap{grid-template-columns:1fr;gap:28px}
  .cta-strip{grid-template-columns:1fr;padding:36px 30px}
}
@media (max-width:768px){
  .rt-row{grid-template-columns:1fr;gap:5px;padding:14px 16px}
  .rt-head{display:none}
  .hero-cta .btn{width:100%}
}