/* ============================================================
   龙铭特种作业 · 特种作业培训基地 peixun.css
   签名 S09：115° 渐变分割，内容左下，
            装饰 = 大圆点矩阵（部分圆点实心）
   ============================================================ */

/* ---------- 首屏 Hero S09 ---------- */
.hero{position:relative;min-height:96vh;display:flex;align-items:flex-end;overflow:hidden;background:var(--ink)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4;transform:scale(1.05)}
.hero-fade{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,11,12,.35) 0%,rgba(11,11,12,.7) 45%,rgba(11,11,12,.95) 80%,rgba(11,11,12,.98) 100%);
}
/* 大圆点矩阵（部分实心） */
.hero-dots{
  position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:
    radial-gradient(circle at 70% 20%, #fff 0 5px, transparent 6px),
    radial-gradient(circle at 82% 30%, transparent 0 4px, rgba(255,255,255,.5) 4px 5px, transparent 6px),
    radial-gradient(circle at 90% 18%, #fff 0 4px, transparent 5px),
    radial-gradient(circle at 66% 40%, transparent 0 4px, rgba(255,255,255,.4) 4px 5px, transparent 6px),
    radial-gradient(circle at 84% 48%, #fff 0 5px, transparent 6px),
    radial-gradient(circle at 74% 60%, transparent 0 4px, rgba(255,255,255,.4) 4px 5px, transparent 6px),
    radial-gradient(circle at 92% 66%, transparent 0 4px, rgba(255,255,255,.45) 4px 5px, transparent 6px);
}
.hero-inner{position:relative;z-index:2;width:min(1200px,92%);margin-inline:auto;padding:150px 0 90px;display:flex;flex-direction:column;align-items:flex-start;text-align:left}
.hero-inner .crumbs{margin-bottom:20px}
.hero-flag{margin-bottom:22px}
.hero-title{font-size:clamp(34px,5.4vw,64px);line-height:1.16;font-weight:900;margin-bottom:20px}
.hero-title .hl{color:#fff;position:relative;white-space:nowrap}
.hero-title .hl::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:14px;z-index:-1;background:linear-gradient(115deg,rgba(255,255,255,.18),transparent);transform:skewX(-8deg)}
.hero-lead{max-width:560px;font-size:16.5px;color:var(--muted-dark);margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 基地什么样 ---------- */
.intro-sec{background:var(--ink)}
.intro-txt p{font-size:15.5px;color:var(--muted-dark);line-height:1.9;margin-top:16px}
.intro-img{width:100%;height:420px;object-fit:cover;border-radius:14px;margin-top:40px}

/* ---------- 场地设备 ---------- */
.section-alt{background:var(--ink-2)}
.fac-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.fac-card{padding:30px 26px;border-radius:12px;background:var(--ink);border:1px solid var(--line);transition:.4s var(--ease);position:relative;overflow:hidden}
.fac-card::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:#fff;transform:scaleX(0);transform-origin:left;transition:.4s var(--ease)}
.fac-card:hover::after{transform:scaleX(1)}
.fac-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.fac-card p{font-size:14px;color:var(--muted-dark);line-height:1.8}
.fac-img{width:100%;height:320px;object-fit:cover;border-radius:14px}

/* ---------- 班型表（浅底） ---------- */
.banxing-table{border:1px solid var(--line-dark);border-radius:12px;overflow:hidden;margin-bottom:24px}
.banxing-row{display:grid;grid-template-columns:1fr 1.2fr 1.2fr;padding:16px 22px;border-top:1px solid var(--line-dark);align-items:center;font-size:14.5px;background:#fff}
.banxing-row:first-child{border-top:0}
.banxing-row>span:first-child{font-weight:800}
.banxing-row p{color:var(--muted-light)}
.banxing-head{background:var(--paper);font-weight:800;font-size:13px;letter-spacing:.06em}
.banxing-note{font-size:14.5px;color:var(--muted-light);line-height:1.9}

/* ---------- 上课安排时间轴 ---------- */
.sched-sec{background:var(--ink)}
.sched-track{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.sched-node{position:relative;padding:0 8px}
.sn-time{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.1em;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:5px 14px;margin-bottom:16px}
.sched-node h3{font-size:18px;font-weight:800;margin-bottom:8px}
.sched-node p{font-size:14px;color:var(--muted-dark);line-height:1.85}

/* ---------- 师资（浅底） ---------- */
.section-light{background:var(--paper);color:var(--txt-on-light)}
.section-light .t-en{color:var(--muted-light)}
.teacher-cols{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.teacher-txt p{font-size:15.5px;color:var(--muted-light);line-height:1.9;margin-top:16px}
.teacher-txt .lk{color:#000;font-weight:700;border-bottom:1px solid #000}
.tip-pick{margin-top:20px;padding:18px 20px;border-left:2px solid #000;background:#fff;border-radius:0 10px 10px 0}
.lk-more{display:inline-block;margin-top:20px;font-size:14px;font-weight:700;color:#000;border-bottom:1px solid #000}
.teacher-img{width:100%;height:340px;object-fit:cover;border-radius:14px}

/* ---------- 培训完真能考过吗 ---------- */
.nengkao-sec{background:var(--ink)}
.nengkao-box{padding:44px 48px;border-radius:14px;background:var(--ink-2);border:1px solid var(--line)}
.nengkao-box p{font-size:15px;color:var(--muted-dark);line-height:1.95;margin-bottom:14px}
.nengkao-box p:last-child{margin-bottom:0}
.nengkao-line{font-size:16px;font-weight:800;color:#fff !important;border-left:2px solid #fff;padding-left:14px}

/* ---------- FAQ ---------- */
.faq-sec{background:var(--ink-2)}
.faq-list{max-width:860px;display:flex;flex-direction:column;gap:14px}
.faq{border:1px solid var(--line);border-radius:10px;padding:20px 24px;background:var(--ink)}
.faq summary{cursor:pointer;font-size:16px;font-weight:700;list-style:none;position:relative;padding-right:30px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:0;font-size:20px;color:var(--muted-dark)}
.faq[open] summary::after{transform:rotate(45deg)}
.faq p{margin-top:12px;font-size:14.5px;color:var(--muted-dark);line-height:1.85}

/* ---------- CTA ---------- */
.cta-sec{background:var(--ink)}
.cta-strip{background:var(--ink-2);border:1px solid var(--line);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 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){.fac-grid{grid-template-columns:1fr 1fr}.sched-track{grid-template-columns:1fr 1fr}}
@media (max-width:1024px){.teacher-cols{grid-template-columns:1fr;gap:32px}}
@media (max-width:768px){
  .hero{min-height:auto}
  .hero-inner{padding:130px 6% 60px}
  .fac-grid{grid-template-columns:1fr}
  .sched-track{grid-template-columns:1fr}
  .banxing-row{grid-template-columns:1fr;gap:4px}
  .banxing-head{display:none}
  .nengkao-box{padding:28px 22px}
  .cta-strip{padding:34px 26px}
}
@media (max-width:480px){.intro-img,.fac-img,.teacher-img{height:260px}}