/* ============================================================
   龙铭特种作业 · 考试指南页 kaoshi.css
   签名 S17：118° 对角渐变分割，内容居左，阶梯刻度条色块
   ============================================================ */

.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(118deg,rgba(11,11,12,.96) 0%,rgba(11,11,12,.8) 40%,rgba(11,11,12,.42) 70%,rgba(11,11,12,.25) 100%);
}
/* 阶梯刻度条装饰（右下台阶状色块） */
.hero-ticks{
  position:absolute;right:0;bottom:0;width:46%;height:120px;pointer-events:none;opacity:.5;
  background:
    linear-gradient(118deg,transparent 40%,rgba(255,255,255,.14) 40%) 0 0/100% 100% no-repeat;
}
.hero-ticks::before{
  content:"";position:absolute;right:0;bottom:0;
  width:100%;height:100%;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.16) 0 14px,transparent 14px 28px);
  -webkit-mask-image:linear-gradient(118deg,transparent 30%,#000 75%);
  mask-image:linear-gradient(118deg,transparent 30%,#000 75%);
}
.hero-inner{position:relative;z-index:2;width:min(1200px,92%);margin-inline:auto;padding:150px 0 90px}
.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(118deg,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;margin-bottom:46px}
.hero-stats{display:grid;grid-template-columns:repeat(3,auto);gap:0;border-top:1px solid var(--line);padding-top:24px}
.hs-item{border-right:1px solid var(--line);padding:0 26px}
.hs-item:last-child{border-right:0}
.hs-num{display:block;font-size:clamp(26px,3vw,38px);font-weight:900;line-height:1.1}
.hs-txt{font-size:12.5px;color:var(--muted-dark);letter-spacing:.06em}

/* ---------- 考试结构 ---------- */
.struct-sec{background:var(--ink)}
.struct-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.struct-card{position:relative;padding:40px 36px;border-radius:14px;background:var(--ink-2);border:1px solid var(--line);overflow:hidden;transition:.4s var(--ease)}
.struct-card::after{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;border:1px solid rgba(255,255,255,.1)}
.struct-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.32)}
.sc-badge{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.14em;background:#fff;color:#000;border-radius:4px;padding:4px 12px;margin-bottom:18px}
.struct-card h3{font-size:24px;font-weight:900;margin-bottom:12px}
.struct-card>p{font-size:14.5px;color:var(--muted-dark);line-height:1.9;margin-bottom:18px}
.sc-list{display:flex;flex-direction:column;gap:8px}
.sc-list li{font-size:14px;color:#d9d9d4;padding-left:18px;position:relative}
.sc-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:2px;background:#fff}

/* ---------- 双栏图文（理论/实操） ---------- */
.section-alt{background:var(--ink-2)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.split-img img{width:100%;border-radius:14px;object-fit:cover}
.theory-sec .split-img img{aspect-ratio:3/2}
.prac-sec{background:var(--ink)}
.split.reverse .split-img{order:2}
.split-txt .t-en{margin-bottom:8px}
.split-txt h2{margin-bottom:18px}
.split-txt p{font-size:15px;color:var(--muted-dark);line-height:1.9;margin-bottom:14px}
.split-txt a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4)}

/* ---------- 考试当天流程 ---------- */
.day-track{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.day-node{padding:0 22px;position:relative}
.day-node::before{
  content:"";position:absolute;left:0;right:0;top:14px;height:2px;
  background:repeating-linear-gradient(90deg,#000 0 8px,transparent 8px 16px);opacity:.2;
}
.day-node:first-child::before{left:50%}
.dn-time{display:inline-block;font-size:13px;font-weight:800;background:var(--ink);color:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:16px;position:relative;z-index:1}
.day-node h3{font-size:18px;font-weight:800;margin-bottom:8px}
.day-node p{font-size:14px;color:var(--muted-light);line-height:1.8}

/* ---------- 考场规矩 ---------- */
.rule-sec{background:var(--ink)}
.rule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.rule{padding:28px 24px;border-radius:12px;background:var(--ink-2);border:1px solid var(--line);transition:.35s var(--ease)}
.rule:hover{transform:translateY(-5px);border-color:rgba(255,255,255,.32)}
.rule-no{display:block;font-size:13px;font-weight:800;letter-spacing:.2em;color:var(--muted-dark);margin-bottom:16px}
.rule h3{font-size:17px;font-weight:800;margin-bottom:8px}
.rule p{font-size:13.5px;color:var(--muted-dark);line-height:1.8}

/* ---------- 考点批次提示（浅底） ---------- */
.tip-sec{background:var(--paper);color:var(--txt-on-light)}
.tip-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:0;border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line-dark)}
.tip-img{height:100%;min-height:320px}
.tip-img img{width:100%;height:100%;object-fit:cover}
.tip-txt{padding:44px 42px}
.tip-txt .tag{margin-bottom:18px}
.tip-txt h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;margin-bottom:14px}
.tip-txt p{font-size:14.5px;color:var(--muted-light);line-height:1.9;margin-bottom:22px}
.tip-links{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 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::after{content:"";position:absolute;right:-50px;bottom:-50px;width:220px;height:220px;border:1px solid rgba(255,255,255,.1);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}

/* ---------- 题型分值表 ---------- */
.qt-table{width:100%;border-collapse:collapse;background:var(--ink-2);min-width:680px;table-layout:fixed}
.qt-table th,.qt-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}
.qt-table th{background:var(--ink-3);font-weight:800;color:#fff;letter-spacing:.04em}
.qt-table td{color:var(--muted-dark);line-height:1.8}
.qt-table tbody tr:last-child td{border-bottom:0}
.qt-table tbody tr{transition:.25s}
.qt-table tbody tr:hover{background:rgba(255,255,255,.04)}
.qt-table col.cw-18{width:18%}.qt-table col.cw-14{width:14%}.qt-table col.cw-44{width:44%}.qt-table col.cw-24{width:24%}
.qt-note{margin-top:24px;font-size:14.5px;color:var(--muted-dark);line-height:1.85}

/* ---------- 批次时间轴 ---------- */
.pici-track{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.pt-node{padding:0 22px;position:relative}
.pt-node::before{content:"";position:absolute;left:0;right:0;top:14px;height:2px;background:repeating-linear-gradient(90deg,#fff 0 8px,transparent 8px 16px);opacity:.2}
.pt-node:first-child::before{left:50%}
.pt-dot{display:inline-block;font-size:13px;font-weight:800;background:var(--ink);color:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:16px;position:relative;z-index:1}
.pt-node h3{font-size:18px;font-weight:800;margin-bottom:8px}
.pt-node p{font-size:14px;color:var(--muted-dark);line-height:1.8}

/* ---------- 备考配合 ---------- */
.beikao-sec{background:var(--ink)}
.beikao-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.bk-card{display:block;padding:34px 30px;border-radius:12px;background:var(--ink-2);border:1px solid var(--line);transition:.35s var(--ease)}
.bk-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.3)}
.bk-no{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:#fff;color:#000;font-weight:900;margin-bottom:18px}
.bk-card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.bk-card p{font-size:14px;color:var(--muted-dark);line-height:1.85}

/* ---------- 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){
  .rule-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .struct-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-img{order:0}
  .day-track{grid-template-columns:1fr 1fr;gap:28px 0}
  .day-node::before{display:none}
  .pici-track{grid-template-columns:1fr 1fr;gap:28px 0}
  .pt-node::before{display:none}
  .beikao-grid{grid-template-columns:1fr}
  .tip-wrap{grid-template-columns:1fr}
  .tip-img{min-height:220px}
}
@media (max-width:768px){
  .hero-stats{grid-template-columns:1fr;gap:14px}
  .hs-item{padding:0 0 0 14px;border-right:0;border-left:1px solid var(--line)}
  .rule-grid{grid-template-columns:1fr}
  .day-track{grid-template-columns:1fr}
  .pici-track{grid-template-columns:1fr}
  .cta-strip{padding:36px 26px}
  .tip-txt{padding:30px 24px}
}
@media (max-width:480px){
  .struct-card{padding:30px 24px}
}