/* ==========================================================================
   化工能源案例 · F15 罗盘式 — 案例详情页（F15 罗盘式）
   ========================================================================== */

/* ===== ① Banner ===== */
.cd-hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden}
.cd-hero-bg{position:absolute;inset:0;z-index:0}
.cd-hero-bg img{width:100%;height:100%;object-fit:cover}
.cd-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(115deg,rgba(29,52,38,.85) 0%,rgba(29,52,38,.55) 50%,rgba(38,37,31,.2) 100%);
}
.cd-hero-inner{position:relative;z-index:2;color:var(--moon-100);padding-block:80px}
.cd-hero-inner .kicker{color:var(--cinnabar-400)}
.cd-hero-inner .kicker::before{background:var(--cinnabar-400)}
.cd-hero h1{
  font-size:clamp(30px,4.2vw,52px);color:var(--moon-50);margin-top:16px;letter-spacing:.04em;line-height:1.3;
}
.cd-hero .lead{color:rgba(247,245,238,.85);margin-top:18px}
.cd-hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}

/* ===== ② 项目概况卡 ===== */
.cd-overview-bg{background:var(--moon-50);border-bottom:1px solid var(--line-soft)}
.cd-overview{margin-top:20px}
.cd-overview-head{margin-bottom:22px}
.cd-table{
  width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-soft);border:1px solid var(--line-soft);
}
.cd-table th{
  background:var(--bamboo-700);color:var(--moon-100);font-weight:600;padding:14px 18px;
  text-align:left;width:120px;vertical-align:top;font-size:14.5px;letter-spacing:.05em;
}
.cd-table td{padding:14px 18px;border-top:1px solid var(--line-soft);vertical-align:top;font-size:15px}
.cd-table tr:nth-child(even) td{background:var(--moon-50)}
.cd-list{display:grid;grid-template-columns:repeat(2,1fr);gap:6px 20px}
.cd-list li{position:relative;padding-left:18px;line-height:1.9}
.cd-list li::before{
  content:"";position:absolute;left:0;top:13px;width:6px;height:6px;
  background:var(--cinnabar-500);border-radius:50%;
}
.cd-list-tech li::before{background:var(--bamboo-500)}

/* ===== ③ 需求与挑战 ===== */
.cd-needs{display:grid;grid-template-columns:1.6fr 1fr;gap:50px;align-items:start}
.cd-needs-text .section-title{margin-bottom:22px}
.cd-needs-text p{color:var(--ink-700);margin-bottom:16px;line-height:2}
.cd-needs-side{
  background:var(--moon-50);border-left:3px solid var(--cinnabar-500);
  padding:26px 24px;border-radius:0 var(--radius) var(--radius) 0;
  box-shadow:var(--shadow-soft);
}
.cd-needs-side h3{font-size:19px;margin-bottom:14px;color:var(--bamboo-700)}
.cd-needs-side ul{margin-bottom:18px}
.cd-needs-side li{padding:6px 0 6px 20px;position:relative;color:var(--ink-700);font-size:14.5px}
.cd-needs-side li::before{
  content:"";position:absolute;left:0;top:13px;width:8px;height:2px;background:var(--bamboo-500);
}
.cd-needs-more{color:var(--cinnabar-500);font-weight:600;font-size:14.5px}
.cd-needs-more span{display:inline-block;transition:transform .25s ease}
.cd-needs-more:hover span{transform:translateX(4px)}

/* ===== ④ 设计方案 ===== */
.cd-design-bg{
  background:
    radial-gradient(700px 300px at 0% 0%, rgba(78,124,91,.07), transparent 60%),
    var(--moon-100);
}
.cd-design{display:grid;grid-template-columns:1.4fr 1fr;gap:50px;align-items:center}
.cd-design-text .section-title{margin-bottom:18px}
.cd-design-text .section-desc{margin-bottom:14px}
.cd-palette{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pal-item{
  border-radius:var(--radius);padding:22px 18px;color:#fff;
  box-shadow:var(--shadow-soft);display:flex;flex-direction:column;gap:6px;
}
.pal-item span{font-family:var(--serif);font-size:18px;letter-spacing:.1em}
.pal-item code{font-size:12.5px;opacity:.85;font-family:var(--sans)}
.pal-moon{background:var(--moon-100);color:var(--ink-900);border:1px solid var(--line)}
.pal-bamboo{background:var(--bamboo-500)}
.pal-cinnabar{background:var(--cinnabar-500)}
.pal-ink{background:var(--ink-900)}

/* ===== ⑤ 功能模块 ===== */
.cd-modules{
  margin-top:50px;display:grid;grid-template-columns:repeat(2,1fr);gap:22px;list-style:none;
}
.mod-item{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line-soft);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-soft);
  transition:transform .3s ease,box-shadow .3s ease;
}
.mod-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
.mod-no{
  font-family:var(--serif);font-size:28px;color:var(--cinnabar-500);
  font-weight:700;line-height:1;flex-shrink:0;min-width:46px;
}
.mod-body h3{font-size:17px;margin-bottom:8px;color:var(--ink-900)}
.mod-body p{font-size:14.5px;color:var(--ink-500);line-height:1.9}

/* ===== ⑥ 数据 ===== */
.cd-stats-bg{background:var(--bamboo-900);color:var(--moon-100)}
.cd-stats-bg .kicker{color:var(--cinnabar-400)}
.cd-stats-bg .kicker::before{background:var(--cinnabar-400)}
.cd-stats-bg .section-title{color:var(--moon-50)}
.cd-stats-bg .section-desc{color:rgba(247,245,238,.7)}
.cd-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:46px;
}
.stat-num{
  font-family:var(--serif);font-size:clamp(38px,4.4vw,56px);font-weight:700;
  color:var(--moon-50);line-height:1;display:block;
}
.stat-num em{font-style:normal;font-size:.45em;color:var(--cinnabar-400);margin-left:3px}
.stat-item p{color:rgba(247,245,238,.7);margin-top:12px;font-size:14.5px}

/* ===== ⑦ 客户评价 ===== */
.cd-quote-wrap{max-width:880px;margin-inline:auto}
.cd-quote{
  background:var(--moon-50);border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  padding:40px 44px;position:relative;box-shadow:var(--shadow-soft);
}
.cd-quote::before{
  content:"“";position:absolute;left:24px;top:8px;
  font-family:var(--serif);font-size:80px;color:var(--bamboo-300);line-height:1;
}
.cd-quote p{font-size:17px;line-height:2.1;color:var(--ink-700);padding-left:30px;position:relative;z-index:1}
.cd-quote footer{
  margin-top:22px;padding-top:18px;border-top:1px dashed var(--line);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;
}
.cd-quote footer strong{color:var(--bamboo-700);font-size:15px}
.cd-quote footer span{color:var(--ink-500);font-size:13.5px}

/* ===== ⑧ 相关案例 + 解决方案入口 ===== */
.cd-relate-bg{
  background:
    radial-gradient(600px 260px at 100% 0%, rgba(192,47,43,.05), transparent 60%),
    var(--moon-100);
}
.cd-rel-cards{
  margin-top:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.rel-card{
  position:relative;border-radius:var(--radius);overflow:hidden;display:block;
  box-shadow:var(--shadow-soft);transition:transform .3s ease,box-shadow .3s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.rel-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.rel-mask{
  position:absolute;inset:auto 0 0 0;padding:18px 20px;
  background:linear-gradient(transparent,rgba(29,52,38,.9));color:var(--moon-100);
}
.rel-mask h3{color:var(--moon-50);font-size:16px;margin-bottom:4px}
.rel-mask p{font-size:13px;color:rgba(247,245,238,.8)}
.cd-solution-entry{
  margin-top:40px;text-align:center;display:flex;flex-direction:column;gap:16px;align-items:center;
}
.cd-solution-entry p{color:var(--ink-500)}

/* ===== ⑨ CTA ===== */
.cd-cta{
  background:
    linear-gradient(120deg, rgba(163,38,34,.94), rgba(192,47,43,.9)),
    var(--cinnabar-600);
  color:#FFF3EC;
}
.cd-cta-inner{
  display:flex;justify-content:space-between;align-items:center;gap:30px;
  padding-block:clamp(44px,6vw,72px);flex-wrap:wrap;
}
.cd-cta h2{color:#FFF8F2;font-size:clamp(22px,3vw,34px)}
.cd-cta p{color:rgba(255,243,236,.85);margin-top:10px;max-width:520px}
.cd-cta-btns{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 响应式 ===== */
@media (max-width:1080px){
  .cd-needs,.cd-design{grid-template-columns:1fr;gap:30px}
  .cd-modules{grid-template-columns:1fr}
  .cd-stats{grid-template-columns:repeat(2,1fr);gap:24px}
  .cd-rel-cards{grid-template-columns:1fr;gap:18px}
  .cd-table th{width:90px;font-size:13.5px}
  .cd-list{grid-template-columns:1fr}
}
@media (max-width:640px){
  .cd-hero{min-height:440px}
  .cd-hero-inner{padding-block:56px 46px}
  .cd-quote{padding:30px 24px}
  .cd-stats{grid-template-columns:1fr 1fr;gap:20px}
  .cd-table{display:block;overflow-x:auto}
}

/* F15：罗盘式 — hero 右侧罗盘圆环装饰 */
.cd-hero-huagong::after{background:linear-gradient(115deg,rgba(29,52,38,.85),rgba(29,52,38,.5) 55%,rgba(38,37,31,.2))}
.cd-hero-huagong .cd-hero-inner h1{position:relative;padding-right:140px}
.cd-hero-huagong .cd-hero-inner h1::after{
  content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:110px;height:110px;border:2px solid rgba(247,245,238,.35);border-radius:50%;
}
.cd-hero-huagong .cd-hero-inner h1::before{
  content:"";position:absolute;right:45px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;background:var(--cinnabar-500);border-radius:50%;z-index:2;
  box-shadow:0 0 0 5px rgba(192,47,43,.3);
}