/* ============================================================
   hhlsq.com — xuchang.css 许昌网站建设页专属样式
   布局指纹：H4 居中剧场 Hero（居中编排+三图横排错位，中间图下移）
   区块序列：B4 图文交替｜B2 错位卡片墙｜B1 数据带｜B8 证言带｜B14 表单｜B15 CTA
   签名元素：S10 印章徽章
   ============================================================ */

/* ---------- 1. Hero 居中剧场 ---------- */
.xc-hero{
  background:var(--white); position:relative; overflow:hidden;
  padding:clamp(80px,9vw,120px) 0 clamp(70px,8vw,100px);
  text-align:center;
}
.xc-hero__head{ max-width:760px; margin:0 auto 56px; }
.xc-hero__title{ font-size:clamp(28px,4vw,46px); line-height:1.3; margin-bottom:18px; }
.xc-hero__title em{ font-style:normal; font-family:var(--font-serif); color:var(--gold); }
.xc-hero__lead{ color:var(--gray-600); font-size:16px; margin-bottom:28px; }
.xc-hero__actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

.xc-hero__media{
  display:grid; grid-template-columns:repeat(3,1fr); gap:22px;
  max-width:1080px; margin:0 auto; align-items:start;
}
.xc-hero__img{
  width:100%; aspect-ratio:16/10; object-fit:cover;
  border-radius:var(--radius-lg); box-shadow:var(--shadow-md);
}
.xc-hero__img--mid{ transform:translateY(36px); box-shadow:var(--shadow-lg); }

/* S10 印章徽章（签名） */
.xc-stamp{
  position:absolute; right:10%; top:110px; width:110px; height:110px;
  transform:rotate(12deg); z-index:2;
}
.xc-stamp::before{
  content:""; position:absolute; inset:0; border:2.5px solid var(--gold); border-radius:50%;
}
.xc-stamp::after{
  content:""; position:absolute; inset:7px; border:1px dashed var(--gold); border-radius:50%;
}
.xc-stamp__inner{
  position:relative; z-index:1; display:flex; align-items:center; justify-content:center;
  height:100%; font-size:12px; font-weight:700; letter-spacing:.12em;
  color:var(--navy-800); line-height:1.5; text-align:center;
}

/* ---------- 2. B4 图文交替流 ---------- */
.xc-work__flow{ display:flex; flex-direction:column; gap:clamp(44px,6vw,72px); }
.xc-pair{ display:grid; grid-template-columns:1fr 1fr; gap:44px; align-items:center; }
.xc-pair--reverse .xc-pair__media{ order:2; }
.xc-pair__media img{ width:100%; aspect-ratio:16/9; object-fit:cover; border-radius:var(--radius-lg); box-shadow:var(--shadow-md); }
.xc-pair__num{
  font-size:46px; font-weight:700; color:transparent;
  -webkit-text-stroke:1.5px var(--gold); line-height:1; display:block; margin-bottom:10px;
}
.xc-pair__body h3{ font-size:22px; margin-bottom:12px; }
.xc-pair__body p{ color:var(--gray-600); font-size:15px; margin:0 0 14px; }
.xc-pair__list li{ position:relative; padding:6px 0 6px 22px; font-size:14px; color:var(--gray-700); }
.xc-pair__list li::before{ content:"✓"; position:absolute; left:0; color:var(--gold); font-weight:700; }

/* ---------- 3. B2 错位卡片墙 ---------- */
.xc-card__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.xc-card__item{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm); padding:28px 24px; transition:all .3s ease;
}
.xc-card__item:nth-child(odd){ transform:translateY(16px); }
.xc-card__item:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.xc-card__item:nth-child(odd):hover{ transform:translateY(10px); }
.xc-card__item svg{ width:30px; height:30px; color:var(--navy-600); stroke-width:1.4; margin-bottom:14px; }
.xc-card__item:hover svg{ color:var(--gold); }
.xc-card__item h3{ font-size:16.5px; margin-bottom:10px; }
.xc-card__item p{ font-size:13.5px; color:var(--gray-600); margin:0; line-height:1.75; }

/* ---------- 4. B1 数据统计带 ---------- */
.xc-stats{ background:linear-gradient(135deg,var(--navy-900),var(--navy-700)); padding:clamp(48px,6vw,72px) 0; }
.xc-stats__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center; }
.xc-stat .stat-num{ color:#fff; }
.xc-stat .stat-note{ color:rgba(232,238,245,.66); }

/* ---------- 5. B8 证言带 ---------- */
.xc-voice__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.xc-voice__card{
  position:relative; background:#fff; border:1px solid var(--gray-200);
  border-radius:var(--radius-lg); box-shadow:var(--shadow-sm);
  padding:36px 28px 28px; margin:0; transition:all .3s ease;
}
.xc-voice__card:nth-child(2){ transform:translateY(20px); }
.xc-voice__card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.xc-voice__card:nth-child(2):hover{ transform:translateY(14px); }
.xc-voice__quote{
  position:absolute; top:14px; left:22px; font-size:56px; line-height:1;
  color:var(--gold); font-family:var(--font-serif); opacity:.5;
}
.xc-voice__card blockquote{ font-size:14.5px; color:var(--gray-700); line-height:1.9; margin:24px 0 22px; }
.xc-voice__card figcaption{ display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.xc-voice__card figcaption b{ color:var(--navy-900); font-size:15px; }

/* ---------- 6. B14 表单预约 ---------- */
.xc-form{ background:var(--gray-50); }
.xc-form__split{ display:grid; grid-template-columns:1fr 1.05fr; gap:48px; align-items:center; margin-bottom:48px; }
.xc-form__text{ color:var(--gray-600); font-size:15px; margin:14px 0 20px; }
.xc-form__text a{ font-weight:600; color:var(--navy-700); }
.xc-form__points li{ display:flex; align-items:baseline; gap:10px; padding:8px 0; font-size:14.5px; color:var(--gray-700); border-bottom:1px dashed var(--gray-300); }
.xc-form__points li::before{ content:""; width:8px; height:8px; border-radius:50%; background:var(--gold); flex-shrink:0; }
.xc-form__points li:last-child{ border-bottom:none; }

/* 相关页面 */
.xc-related{
  display:flex; align-items:center; gap:18px; flex-wrap:wrap;
  background:#fff; border:1px dashed var(--gray-300); border-radius:var(--radius-lg);
  padding:20px 26px;
}
.xc-related__label{ font-size:13px; letter-spacing:.18em; color:var(--gold); font-weight:600; }
.xc-related__links{ display:flex; gap:10px; flex-wrap:wrap; }

/* ---------- 7. B15 CTA ---------- */
.xc-cta{ padding-bottom:clamp(70px,8vw,110px); }
.xc-cta__banner{
  background:linear-gradient(135deg,var(--navy-800),var(--navy-700) 55%,var(--navy-600));
  border-radius:28px; padding:clamp(44px,5vw,72px) clamp(24px,4vw,56px);
  text-align:center; position:relative; overflow:hidden; box-shadow:var(--shadow-lg);
}
.xc-cta__banner::before{
  content:""; position:absolute; right:-50px; bottom:-50px; width:180px; height:180px;
  border-radius:50%; border:2px solid var(--gold); opacity:.35;
}
.xc-cta__inner{ position:relative; z-index:1; }
.xc-cta__title{ color:#fff; font-size:clamp(22px,3vw,32px); margin-bottom:12px; }
.xc-cta__sub{ color:rgba(232,238,245,.78); font-size:15px; margin-bottom:28px; }
.xc-cta__actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.xc-cta__ghost{ border-color:rgba(255,255,255,.5); color:#fff; }
.xc-cta__ghost:hover{ background:#fff; color:var(--navy-700); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px){
  .xc-hero__media{ grid-template-columns:1fr; max-width:520px; gap:18px; }
  .xc-hero__img--mid{ transform:none; }
  .xc-stamp{ display:none; }
  .xc-pair{ grid-template-columns:1fr; gap:24px; }
  .xc-pair--reverse .xc-pair__media{ order:0; }
  .xc-card__grid{ grid-template-columns:repeat(2,1fr); }
  .xc-card__item:nth-child(odd){ transform:none; }
  .xc-stats__grid{ grid-template-columns:repeat(2,1fr); gap:28px 20px; }
  .xc-voice__grid{ grid-template-columns:1fr; max-width:520px; margin:0 auto; }
  .xc-voice__card:nth-child(2){ transform:none; }
  .xc-form__split{ grid-template-columns:1fr; }
}
@media (max-width: 640px){
  .xc-card__grid{ grid-template-columns:1fr; }
  .xc-stats__grid{ grid-template-columns:1fr 1fr; gap:14px; }
  .xc-hero__actions .btn{ width:100%; }
  .xc-cta__actions .btn{ width:100%; }
}