/* ============================================================
   龙铭特种作业 · 报考材料预审页 cailiao.css
   签名 S18：148° 对角渐变分割，内容居右，平行四边形小芯片贴片组
   ============================================================ */

.hero{position:relative;min-height:94vh;display:flex;align-items:center;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(148deg,rgba(11,11,12,.3) 0%,rgba(11,11,12,.7) 45%,rgba(11,11,12,.96) 80%);
}
/* 平行四边形小芯片贴片组装饰 */
.hero-chips{position:absolute;left:4%;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:18px;pointer-events:none;opacity:.4}
.hero-chips span{
  display:block;width:120px;height:26px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);transform:skewX(-14deg);
}
.hero-chips span:nth-child(2){width:80px;margin-left:30px}
.hero-chips span:nth-child(3){width:140px}
.hero-chips span:nth-child(4){width:60px;margin-left:40px}
.hero-chips span:nth-child(5){width:100px}
.hero-chips span:nth-child(6){width:90px;margin-left:24px}
.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-end;text-align:right}
.hero-inner .crumbs{justify-content:flex-end;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(148deg,rgba(255,255,255,.18),transparent)}
.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;justify-content:flex-end}

/* ---------- 预审表单 ---------- */
.form-sec{background:var(--ink)}
.form-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:30px;align-items:start}
.form-panel{background:var(--ink-2);border:1px solid var(--line);border-radius:16px;padding:44px 42px}
.fp-head{margin-bottom:30px}
.form-full{grid-column:1 / -1}
.form-submit{justify-self:start;width:100%}
.form-tip{grid-column:1 / -1;font-size:12.5px;color:var(--muted-dark);margin-top:-6px}
.form-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:calc(var(--header-h) + 24px)}
.fs-box{background:var(--ink-2);border:1px solid var(--line);border-radius:12px;padding:26px 26px}
.fs-box h3{font-size:16px;font-weight:800;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.fs-box ul{display:flex;flex-direction:column;gap:9px}
.fs-box li{font-size:14px;color:var(--muted-dark);padding-left:18px;position:relative}
.fs-box li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border:1px solid #fff;border-radius:2px}
.fs-call{background:linear-gradient(148deg,#1c1c1f,#0e0e0f)}
.fs-call p{font-size:13.5px;color:var(--muted-dark);line-height:1.8;margin-bottom:12px}
.fs-tel{display:block;font-size:24px;font-weight:900;color:#fff;letter-spacing:.03em;margin-bottom:8px}
.fs-mail{font-size:12.5px;color:var(--muted-dark)}

/* ---------- 为什么要预审（浅底图文） ---------- */
.section-alt{background:var(--ink-2)}
.why-sec .split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.why-sec .split-img img{width:100%;border-radius:14px;aspect-ratio:3/2;object-fit:cover}
.why-sec .split-txt .t-en{margin-bottom:8px}
.why-sec .split-txt h2{margin-bottom:18px}
.why-sec .split-txt p{font-size:15px;color:var(--muted-dark);line-height:1.9;margin-bottom:14px}

/* ---------- 材料芯片概览 ---------- */
.chip-sec{background:var(--ink)}
.chip-row{display:flex;flex-wrap:wrap;gap:12px}
.chip{
  font-size:14px;font-weight:600;color:#f2f2ee;padding:12px 22px;border-radius:6px;
  background:var(--ink-3);border:1px solid var(--line);transform:skewX(-8deg);transition:.3s var(--ease);
}
.chip span{display:inline-block;transform:skewX(8deg)}
.chip:hover{border-color:#fff;color:#fff;transform:skewX(-8deg) translateY(-3px)}
.chip-note{margin-top:26px;font-size:14px;color:var(--muted-dark);line-height:1.85}
.chip-note a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4)}

/* ---------- 常见退件原因 ---------- */
.back-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.back-card{border-radius:12px;overflow:hidden;background:var(--ink);border:1px solid var(--line);transition:.4s var(--ease)}
.back-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.3)}
.back-card img{width:100%;height:190px;object-fit:cover}
.bc-body{padding:22px 24px 26px}
.bc-body h3{font-size:18px;font-weight:800;margin-bottom:8px}
.bc-body p{font-size:14px;color:var(--muted-dark);line-height:1.8}

/* ---------- 底部 CTA ---------- */
.cta-sec{background:var(--ink-2)}
.cta-strip{background:var(--ink);color:#fff;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::before{content:"";position:absolute;right:10%;top:-60px;width:180px;height:180px;border:1px solid rgba(255,255,255,.12);border-radius:50%}
.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}

/* ---------- chips 详解 ---------- */
.chip-detail{margin-top:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cd-item{padding:20px 22px;border-radius:10px;background:var(--ink-2);border:1px solid var(--line)}
.cd-item h4{font-size:15.5px;font-weight:800;margin-bottom:8px;color:#fff}
.cd-item p{font-size:13.5px;color:var(--muted-dark);line-height:1.8}

/* ---------- 材料对照表 ---------- */
.matmap-sec{background:var(--ink)}
.tbl-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--line)}
.mm-table{width:100%;border-collapse:collapse;background:var(--ink-2);min-width:640px;table-layout:fixed}
.mm-table th,.mm-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:top;word-break:break-all}
.mm-table th{background:var(--ink-3);font-weight:800;color:#fff;letter-spacing:.04em}
.mm-table td{color:var(--muted-dark);line-height:1.8}
.mm-table tbody tr:last-child td{border-bottom:0}
.mm-table tbody tr{transition:.25s}
.mm-table tbody tr:hover{background:rgba(255,255,255,.04)}
.mm-table col.cw-18{width:18%}.mm-table col.cw-41{width:41%}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{background:var(--ink);border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:.3s}
.faq-item:hover{border-color:rgba(255,255,255,.28)}
.faq-item summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-size:15.5px;font-weight:700;color:#f2f2ee}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:300;line-height:1;color:var(--muted-dark);transition:.3s;flex-shrink:0}
.faq-item[open] summary{color:#fff}
.faq-item[open] summary::after{transform:rotate(45deg);color:#fff}
.faq-item p{padding:0 24px 20px;font-size:14.5px;color:var(--muted-dark);line-height:1.9}
.faq-item p a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .form-wrap{grid-template-columns:1fr}
  .form-side{position:static}
}
@media (max-width:1024px){
  .why-sec .split{grid-template-columns:1fr;gap:28px}
  .back-grid{grid-template-columns:1fr 1fr}
  .chip-detail{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .hero-inner{align-items:flex-start;text-align:left}
  .hero-inner .crumbs{justify-content:flex-start}
  .hero-cta{justify-content:flex-start}
  .hero-chips{display:none}
  .form-panel{padding:30px 22px}
  .back-grid{grid-template-columns:1fr}
  .chip-detail{grid-template-columns:1fr}
  .cta-strip{padding:36px 26px}
}
@media (max-width:480px){
  .form-grid{grid-template-columns:1fr}
}