/* ============================================================
   龙铭特种作业 · 首页独有布局 index.css
   对角签名：150° 斜线渐变分割 + 网格点阵 + 描边大字水印
   ============================================================ */

/* ---------- 首屏 Hero（150° 对角渐变分割） ---------- */
.hero{
  position:relative;min-height:100vh;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:center 38%;
  opacity:.5;transform:scale(1.04);
}
.hero-fade{
  position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(11,11,12,.96) 0%,rgba(11,11,12,.82) 38%,rgba(11,11,12,.28) 66%,rgba(244,244,240,.92) 100%);
}
.hero-grid{
  position:absolute;inset:0;pointer-events:none;mix-blend-mode:overlay;opacity:.5;
  background:
    repeating-linear-gradient(0deg,transparent 0 42px,rgba(255,255,255,.22) 42px 43px),
    repeating-linear-gradient(90deg,transparent 0 42px,rgba(255,255,255,.22) 42px 43px);
  mask-image:linear-gradient(150deg,#000 30%,transparent 78%);
}
.hero-watermark{
  position:absolute;right:-2%;top:50%;transform:translateY(-50%);
  font-size:clamp(140px,24vw,340px);font-weight:900;line-height:1;letter-spacing:-.04em;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.14);
  user-select:none;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;width:min(1200px,92%);margin-inline:auto;padding:160px 0 90px}
.hero-flag{margin-bottom:26px}
.hero-title{
  font-size:clamp(34px,5.6vw,66px);line-height:1.18;font-weight:900;letter-spacing:.01em;
  margin-bottom:22px;
}
.hero-title .hl{color:#fff}
.hw{display:inline-block;opacity:0;animation:hwUp .9s var(--ease) forwards}
.hw-1{animation-delay:.05s}
.hw-2{animation-delay:.16s}
.hw-3{animation-delay:.28s}
.hw-4{animation-delay:.42s}
.hw-5{animation-delay:.55s}
@keyframes hwUp{
  from{opacity:0;transform:translateY(34px) rotate(1deg)}
  to{opacity:1;transform:none}
}
.hero-lead{max-width:560px;font-size:17px;color:var(--muted-dark);margin-bottom:34px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:54px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;max-width:680px;
  border-top:1px solid var(--line);padding-top:28px;
}
.hs-item{border-right:1px solid var(--line);padding:0 22px}
.hs-item:first-child{padding-left:0}
.hs-item:last-child{border-right:0}
.hs-num{display:block;font-size:clamp(24px,3vw,36px);font-weight:900;line-height:1.1}
.hs-txt{font-size:13px;color:var(--muted-dark);letter-spacing:.08em}

/* ---------- 焦作鹤壁双城专题（浅底） ---------- */
.region-sec{background:var(--paper);color:var(--txt-on-light)}
.region-sec .sec-title b{color:#000}
.region-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.region-card{
  position:relative;border-radius:14px;overflow:hidden;display:block;
  background:var(--ink);color:#fff;box-shadow:0 30px 60px rgba(11,11,12,.22);
  transition:transform .45s var(--ease);
}
.region-card:hover{transform:translateY(-8px)}
.region-card img{width:100%;height:300px;object-fit:cover;transition:transform .6s var(--ease)}
.region-card:hover img{transform:scale(1.05)}
.rc-body{position:relative;display:block;padding:26px 28px 30px;background:var(--ink)}
.rc-body::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(150deg,#fff,#7a7a74);
}
.rc-name{display:block;font-size:22px;font-weight:800;margin-bottom:8px}
.rc-desc{display:block;font-size:14px;color:var(--muted-dark);margin-bottom:14px;line-height:1.8}
.rc-btn{font-size:14px;font-weight:700;color:#fff;border-bottom:1px solid #fff;padding-bottom:2px}
.region-note{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:30px;padding:26px 30px;
  background:linear-gradient(130deg,#f0f0ea,#e7e7e0);border-left:3px solid var(--ink);border-radius:0 12px 12px 0;
}
.region-note p{font-size:14.5px;color:#4a4a44;line-height:1.95}
.region-note p:first-child::before{content:"焦作 · "}
.region-note p:last-child::before{content:"鹤壁 · "}
.region-note p:first-child::before,.region-note p:last-child::before{font-weight:800;color:#000}

/* ---------- 工种说明条 ---------- */
.work-note{
  max-width:760px;font-size:14.5px;color:var(--muted-dark);line-height:1.9;
  margin-bottom:28px;padding-left:18px;border-left:2px solid rgba(255,255,255,.35);
}

/* ---------- 学员口碑案例（深底） ---------- */
.case-sec{background:var(--ink-2)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{
  padding:30px 28px;border-radius:12px;background:var(--ink);border:1px solid var(--line);
  position:relative;overflow:hidden;transition:.4s var(--ease);
}
.case-card::after{
  content:"";position:absolute;right:-34px;bottom:-34px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.07),transparent 68%);
}
.case-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.3)}
.cc-q{display:block;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;line-height:1.5}
.case-card p{font-size:14px;color:var(--muted-dark);line-height:1.9;margin-bottom:16px}
.cc-meta{font-size:12px;letter-spacing:.1em;color:#7d7d76;border-top:1px dashed rgba(255,255,255,.12);padding-top:12px;display:block}
.case-foot{font-size:12px;color:#6f6f68;text-align:center;margin-top:26px}

/* ---------- 工种快速入口（深底） ---------- */
.section-alt{background:var(--ink-2)}
.work-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.work-card{
  display:flex;flex-direction:column;gap:6px;padding:26px 24px;border-radius:10px;
  background:var(--ink-3);border:1px solid var(--line);transition:.4s var(--ease);position:relative;overflow:hidden;
}
.work-card::after{
  content:"";position:absolute;right:-22px;top:-22px;width:64px;height:64px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.08),transparent 70%);
  transition:.4s var(--ease);
}
.work-card:hover{border-color:rgba(255,255,255,.4);transform:translateY(-6px);background:#232327}
.work-card:hover::after{transform:scale(2.2)}
.wc-ic{width:44px;height:44px;display:flex;align-items:center;justify-content:center;margin-bottom:10px;
  border:1px solid var(--line);border-radius:8px;color:#fff;background:rgba(255,255,255,.05)}
.wc-name{font-size:17px;font-weight:800}
.wc-tag{font-size:12px;color:var(--muted-dark);letter-spacing:.06em}

/* ---------- 核心优势 ---------- */
.adv-sec{background:var(--ink)}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.adv-card{
  position:relative;padding:36px 30px 30px;border-radius:12px;background:var(--ink-2);
  border:1px solid var(--line);transition:.4s var(--ease);overflow:hidden;
}
.adv-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;transform:scaleX(0);transform-origin:left;
  background:linear-gradient(90deg,#fff,#555);transition:.5s var(--ease);
}
.adv-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.3)}
.adv-card:hover::before{transform:scaleX(1)}
.adv-no{display:block;font-size:13px;font-weight:700;letter-spacing:.2em;color:var(--muted-dark);margin-bottom:26px}
.adv-card h3{font-size:20px;font-weight:800;margin-bottom:10px}
.adv-card p{font-size:14.5px;color:var(--muted-dark);line-height:1.85}

/* ---------- 一站式流程（浅底） ---------- */
.flow-sec{background:var(--paper);color:var(--txt-on-light)}
.flow-sec .t-en{color:var(--muted-light)}
.flow-sec .sec-more{color:var(--muted-light);border-color:var(--line-dark)}
.flow-track{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;
}
.flow-track::before{
  content:"";position:absolute;left:8%;right:8%;top:30px;height:2px;
  background:repeating-linear-gradient(90deg,#000 0 10px,transparent 10px 20px);opacity:.25;
}
.flow-node{position:relative;padding:0 26px;text-align:center}
.fn-dot{
  width:60px;height:60px;margin:0 auto 20px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:#fff;font-size:20px;font-weight:900;position:relative;z-index:1;
  box-shadow:0 12px 28px rgba(11,11,12,.28);
}
.flow-node h3{font-size:18px;font-weight:800;margin-bottom:8px}
.flow-node p{font-size:14px;color:var(--muted-light);line-height:1.8}
.flow-note{margin-top:44px;padding:0 6px}
.flow-note table{
  width:100%;table-layout:fixed;border-collapse:collapse;border:1px solid var(--line-dark);
  background:#fff;border-radius:10px;overflow:hidden;margin-bottom:16px;
}
.flow-note th,.flow-note td{padding:12px 16px;text-align:left;font-size:14px;border-bottom:1px solid #e5e5de}
.flow-note th{background:var(--ink);color:#fff;font-weight:700;font-size:13.5px}
.flow-note th:first-child{width:22%}
.flow-note th:nth-child(2){width:26%}
.flow-note tbody tr:last-child td{border-bottom:0}
.flow-note tbody tr:nth-child(even){background:#f5f5f0}
.flow-note tbody td:first-child{font-weight:700;color:#000}
.flow-note p{font-size:13.5px;color:var(--muted-light);line-height:1.85}

/* ---------- 资讯列表 ---------- */
.news-sec{background:var(--ink)}
.news-panel{display:grid;grid-template-columns:1fr 320px;gap:30px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-card{
  display:flex;gap:18px;padding:16px;border-radius:10px;background:var(--ink-2);
  border:1px solid var(--line);transition:.35s var(--ease);align-items:center;
}
.news-card:hover{border-color:rgba(255,255,255,.35);transform:translateX(6px);background:#202024}
.n-thumb{flex:none;width:150px;height:96px;overflow:hidden;border-radius:8px;background:#26262a}
.n-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .n-thumb img{transform:scale(1.08)}
.n-info{display:flex;flex-direction:column;gap:6px;min-width:0}
.n-title{font-size:16px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.n-desc{font-size:13.5px;color:var(--muted-dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.n-time{font-size:12px;color:#777}
.news-aside{display:flex;flex-direction:column;gap:18px;position:sticky;top:calc(var(--header-h) + 24px)}
.na-box{background:var(--ink-2);border:1px solid var(--line);border-radius:10px;padding:22px}
.na-box h3{font-size:15px;font-weight:800;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.na-box a{display:block;font-size:14px;color:var(--muted-dark);padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.06);transition:.25s}
.na-box a:hover{color:#fff;padding-left:8px}
.na-how p{font-size:13.5px;color:var(--muted-dark);line-height:1.85;margin:0}
.na-tel{
  display:block;text-align:center;padding:22px;border-radius:10px;font-size:14px;color:var(--muted-dark);
  background:linear-gradient(150deg,#1c1c1f,#0e0e0f);border:1px solid var(--line);transition:.35s var(--ease);
}
.na-tel b{display:block;font-size:22px;color:#fff;margin-top:6px;letter-spacing:.04em}
.na-tel:hover{border-color:#fff}

/* ---------- 企业团报横幅 ---------- */
.corp-sec{position:relative;overflow:hidden;padding:0}
.corp-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.corp-veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,11,12,.94) 20%,rgba(11,11,12,.6) 60%,rgba(11,11,12,.35))}
.corp-inner{
  position:relative;z-index:1;width:min(1200px,92%);margin-inline:auto;padding:110px 0;
  display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center;
}
.corp-left .tag{margin-bottom:22px}
.corp-left h2{font-size:clamp(28px,3.6vw,46px);line-height:1.3;font-weight:900}
.corp-right p{font-size:15.5px;color:var(--muted-dark);line-height:1.95;margin-bottom:26px}
.corp-note{
  font-size:14px;color:var(--muted-dark);line-height:1.9;margin-bottom:26px;padding:18px 20px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;
}
.corp-cta{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 服务承诺（浅底） ---------- */
.promise-sec{background:var(--paper);color:var(--txt-on-light)}
.promise-sec .t-en{color:var(--muted-light)}
.promise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.promise-item{
  padding:34px 30px;background:#fff;border:1px solid var(--line-dark);border-radius:12px;
  position:relative;overflow:hidden;transition:.4s var(--ease);
}
.promise-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(150deg,#000,#8a8a82);
}
.promise-item:hover{transform:translateY(-6px);box-shadow:0 18px 36px rgba(11,11,12,.1)}
.pm-no{display:block;font-size:12px;font-weight:800;letter-spacing:.24em;color:#8a8a82;margin-bottom:18px}
.promise-item h3{font-size:19px;font-weight:800;color:#000;margin-bottom:10px}
.promise-item p{font-size:14px;color:#5c5c56;line-height:1.9}

/* ---------- 底部 CTA（浅底） ---------- */
.cta-sec{background:var(--paper);color:var(--txt-on-light)}
.cta-strip{
  background:var(--ink);color:#fff;border-radius:18px;padding:54px 60px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-strip::before{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);
}
.cta-strip::after{
  content:"";position:absolute;right:-20px;top:-20px;width:160px;height:160px;border-radius:50%;
  border:1px solid rgba(255,255,255,.1);
}
.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;position:relative;z-index:1}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .work-grid{grid-template-columns:repeat(3,1fr)}
  .adv-grid{grid-template-columns:1fr 1fr}
  .flow-track{grid-template-columns:1fr 1fr;gap:34px 0}
  .flow-track::before{display:none}
  .news-panel{grid-template-columns:1fr}
  .corp-inner{grid-template-columns:1fr;gap:30px;padding:80px 0}
  .case-grid{grid-template-columns:1fr}
  .promise-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  .region-grid{grid-template-columns:1fr}
  .work-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px 0;padding-right:112px}
  .hs-item{padding:0 14px}
  .news-card{flex-direction:column;align-items:flex-start}
  .n-thumb{width:100%;height:170px}
  .cta-strip{padding:38px 28px}
  .region-note{grid-template-columns:1fr}
}
@media (max-width:480px){
  .work-grid{grid-template-columns:1fr}
  .flow-track{grid-template-columns:1fr}
}