/* ============================================================
   dianlan.html 电力电缆页独有样式
   前缀 dc-
   ============================================================ */

/* ---------- Hero：网格拼贴 ---------- */
.dc-hero{position:relative;padding:calc(var(--header-h) + 56px) 0 70px;background:var(--c1);overflow:hidden}
.dc-hero::before{content:"";position:absolute;top:0;right:0;width:40%;height:100%;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:36px 36px}
.dc-hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.dc-kicker{display:inline-block;font-family:var(--font-en);font-size:12px;letter-spacing:.28em;color:var(--o2)}
.dc-hero__txt h1{font-size:clamp(30px,4.6vw,52px);font-weight:900;line-height:1.18;margin:20px 0 18px}
.dc-hero__txt h1 em{font-style:normal;color:var(--o1)}
.dc-lead{color:rgba(247,248,244,.84);font-size:15.5px;max-width:480px}
.dc-hero__cta{display:flex;flex-wrap:wrap;gap:16px;margin-top:30px}
/* 拼贴 */
.dc-hero__media{display:grid;grid-template-columns:1.4fr 1fr;grid-template-rows:auto auto;gap:12px}
.dc-tile{overflow:hidden;border:1px solid var(--line-d)}
.dc-tile img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.dc-tile:hover img{transform:scale(1.05)}
.dc-tile--big{grid-row:1 / 3;min-height:340px}
.dc-tile:not(.dc-tile--big){min-height:164px}
.dc-tile__cap{grid-column:1 / -1;background:var(--c2);border:1px solid var(--line-d);padding:12px 16px;font-family:var(--font-en);font-size:12.5px;letter-spacing:.1em;color:var(--g4)}

/* ---------- 作业内容 ---------- */
.dc-work__list{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line-d);border-left:1px solid var(--line-d)}
.dc-work__row{display:grid;grid-template-columns:56px 1fr;gap:16px;padding:30px 26px;border-right:1px solid var(--line-d);border-bottom:1px solid var(--line-d);background:var(--c2);transition:background .3s}
.dc-work__row:hover{background:var(--g1)}
.dc-work__no{font-family:var(--font-en);font-size:30px;font-weight:900;color:transparent;-webkit-text-stroke:1.4px var(--o1)}
.dc-work__row h3{font-size:18px;margin-bottom:8px}
.dc-work__row p{font-size:14px;color:var(--g4)}
.dc-work__row p a{color:var(--o2);font-weight:700}

/* ---------- 适用场景（米白） ---------- */
.dc-scene{background:var(--paper);color:var(--c1)}
.dc-scene__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dc-scene__cell{background:#fff;border:1px solid var(--line-l);padding:32px 28px;position:relative;box-shadow:0 10px 30px rgba(20,24,27,.05)}
.dc-scene__cell::after{content:"";position:absolute;left:28px;bottom:0;width:48px;height:3px;background:var(--o1)}
.dc-scene__cell h3{font-size:19px;margin-bottom:10px;color:var(--c1)}
.dc-scene__cell p{font-size:14px;color:#4C5449}
.dc-scene__cell p a{color:var(--o1);font-weight:700;text-decoration:underline}

/* ---------- 报考要求 ---------- */
.dc-cond__grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.dc-cond__txt p{color:var(--g4);font-size:15px;max-width:460px}
.dc-cond__list{margin-top:22px;display:grid;gap:12px}
.dc-cond__list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--white)}
.dc-cond__list li::before{content:"";position:absolute;left:0;top:8px;width:12px;height:12px;border:2px solid var(--o1);background:rgba(224,91,32,.15)}
.dc-sec-h2{font-size:clamp(24px,3vw,38px);font-weight:900;margin:14px 0 18px}
.dc-cond__media img{width:100%;height:380px;object-fit:cover}

/* ---------- 实操考点（军绿） ---------- */
.dc-prac{background:var(--g1)}
.dc-prac__note{margin-top:26px;font-size:13.5px;color:var(--g4)}
.dc-prac__note a{color:var(--o2);font-weight:700}

/* ---------- 安全作业要点 ---------- */
.dc-safety__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.dc-safety__item{background:var(--c2);border:1px dashed var(--line-d);padding:28px 24px;transition:border-color .3s,transform .3s}
.dc-safety__item:hover{border-color:rgba(224,91,32,.5);transform:translateY(-5px)}
.dc-safety__item h3{font-size:17px;margin-bottom:10px}
.dc-safety__item p{font-size:13.5px;color:var(--g4)}

/* ---------- 持证价值数据带（米白） ---------- */
.dc-value{background:var(--paper);color:var(--c1)}
.dc-value__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dc-value__card{background:#fff;border:1px solid var(--line-l);text-align:center;padding:36px 24px;box-shadow:0 10px 30px rgba(20,24,27,.05)}
.dc-value__card b{display:block;font-family:var(--font-en);font-size:32px;font-weight:900;color:var(--o1);margin-bottom:8px}
.dc-value__card span{font-size:13.5px;color:#5A6158}
.dc-cond__btn{margin-top:22px}
.dc-cond__tag{display:inline-block;margin-left:8px;font-style:normal;font-size:11px;font-weight:700;letter-spacing:.05em;color:var(--o1);border:1px solid rgba(224,91,32,.5);padding:1px 8px;vertical-align:middle}

/* ---------- 计价行情（米白） ---------- */
.dc-rate{background:var(--paper);color:var(--c1)}
.dc-rate__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dc-rate__card{background:#fff;border:1px solid var(--line-l);padding:32px 26px;box-shadow:0 10px 30px rgba(20,24,27,.05);position:relative}
.dc-rate__card::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--o1)}
.dc-rate__tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--o2);border:1px solid rgba(214,69,17,.4);padding:3px 10px;margin-bottom:16px}
.dc-rate__num{display:block;font-family:var(--font-en);font-size:30px;font-weight:900;color:var(--c1);margin-bottom:12px}
.dc-rate__desc{font-size:13.5px;color:#4C5449;line-height:1.7}
.dc-rate__note{text-align:center;margin-top:30px;font-size:13.5px;color:#5A6158}
.dc-rate__note a{color:var(--o1);font-weight:700;text-decoration:underline}

/* ---------- 型号速记表 ---------- */
.dc-models .c1{width:18%}.dc-models .c2{width:42%}.dc-models .c3{width:40%}
.dc-models__note{margin-top:20px;font-size:13.5px;color:var(--g4)}
.dc-models__note a{color:var(--o2);font-weight:700}

/* ---------- 故障定位耗时（米白） ---------- */
.dc-fault{background:var(--paper);color:var(--c1)}
.dc-fault__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dc-fault__card{background:#fff;border:1px solid var(--line-l);text-align:center;padding:36px 24px;box-shadow:0 10px 30px rgba(20,24,27,.05)}
.dc-fault__card b{display:block;font-family:var(--font-en);font-size:30px;font-weight:900;color:var(--o1);margin-bottom:12px}
.dc-fault__card span{font-size:13.5px;color:#4C5449;line-height:1.7}
.dc-fault__note{text-align:center;margin-top:30px;font-size:13.5px;color:#5A6158}

/* ---------- CTA ---------- */
.dc-cta{position:relative;overflow:hidden}
.dc-cta::before{content:"";position:absolute;right:-80px;bottom:-80px;width:280px;height:280px;border:2px dashed rgba(224,91,32,.25);border-radius:50%}
.dc-cta__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.dc-cta h2{font-size:clamp(24px,3.2vw,38px);font-weight:900;margin:14px 0 14px}
.dc-cta p{color:var(--g4);max-width:480px;margin-bottom:24px}
.dc-cta__tel{display:inline-flex;align-items:baseline;gap:14px;font-family:var(--font-en);font-size:34px;font-weight:900;color:var(--o1)}
.dc-cta__tel small{font-family:var(--font-cn);font-size:12px;color:var(--g4)}
.dc-cta__form{background:var(--c2);border:1px solid var(--line-d);padding:32px;clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,0 100%,0 24px)}
.dc-cta__form h3{font-size:19px;margin-bottom:4px}
.dc-cta__form>p{font-size:13px;margin-bottom:18px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .dc-hero__grid{grid-template-columns:1fr;gap:34px}
  .dc-work__list{grid-template-columns:1fr}
  .dc-scene__grid{grid-template-columns:1fr}
  .dc-cond__grid{grid-template-columns:1fr;gap:30px}
  .dc-cta__inner{grid-template-columns:1fr}
  .dc-safety__grid{grid-template-columns:1fr 1fr}
  .dc-value__grid{grid-template-columns:1fr}
  .dc-rate__grid{grid-template-columns:1fr}
  .dc-fault__grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .dc-hero__media{grid-template-columns:1fr 1fr}
  .dc-tile--big{grid-row:auto;grid-column:1 / -1;min-height:220px}
  .dc-cta__tel{font-size:26px}
  .dc-safety__grid{grid-template-columns:1fr}
}