/* ==========================================================================
   尧图网站建设 · 首页专属样式 page-index.css
   首页骨架：锯齿叠加分割 + 单人沙发风暖调
   ========================================================================== */

/* ---------- Hero 全屏 Banner ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  overflow:hidden;background:#1F1C18;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.62}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(31,28,24,.85) 0%,rgba(44,41,36,.5) 50%,rgba(154,125,79,.25) 100%);
}
.hero-inner{position:relative;z-index:2;color:var(--cream);padding:calc(var(--nav-h) + 40px) 0 60px}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px;font-size:13px;font-weight:600;letter-spacing:1px;
  background:rgba(253,251,247,.12);backdrop-filter:blur(10px);
  border:1px solid rgba(253,251,247,.2);border-radius:30px;color:var(--cream);margin-bottom:26px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--wood-light);box-shadow:0 0 0 4px rgba(212,188,149,.25)}
.hero h1{color:#fff;margin-bottom:22px;max-width:18ch}
.hero h1 .accent{color:var(--wood-light);font-style:italic;font-family:var(--serif)}
.hero-sub{font-size:17px;color:rgba(247,244,239,.78);max-width:56ch;margin-bottom:36px;line-height:1.85}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px}
.hero-actions .btn-outline{color:var(--cream);border-color:rgba(247,244,239,.4)}
.hero-actions .btn-outline:hover{background:var(--cream);color:var(--ink);border-color:var(--cream)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;max-width:720px}
.hero-stats .hs-item strong{display:block;font-family:var(--serif);font-size:clamp(1.8rem,3vw,2.6rem);font-weight:700;color:#fff;line-height:1}
.hero-stats .hs-item span{display:block;margin-top:6px;font-size:13px;color:rgba(247,244,239,.6)}
/* Hero 底部锯齿 */
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:24px;z-index:3;
  background-image:
    linear-gradient(45deg,var(--cream) 49.5%,transparent 50%),
    linear-gradient(-45deg,var(--cream) 49.5%,transparent 50%);
  background-size:48px 24px;background-repeat:repeat-x;background-position:0 0,24px 0;
}
.hero-scroll{position:absolute;left:50%;bottom:40px;transform:translateX(-50%);z-index:3;color:rgba(247,244,239,.6);font-size:11px;letter-spacing:3px;text-align:center}
.hero-scroll .mouse{width:22px;height:36px;border:2px solid rgba(247,244,239,.4);border-radius:12px;margin:8px auto 0;position:relative}
.hero-scroll .mouse::before{content:"";position:absolute;left:50%;top:7px;width:3px;height:7px;background:var(--cream);border-radius:2px;transform:translateX(-50%);animation:scrollDot 1.6s infinite}
@keyframes scrollDot{0%{opacity:1;top:7px}80%{opacity:0;top:18px}100%{opacity:0;top:7px}}

/* ---------- 优势锯齿卡片网格 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
.adv-card{
  position:relative;padding:36px 28px;border-right:1px solid var(--line);
  transition:background .35s var(--ease);
}
.adv-card:last-child{border-right:none}
.adv-card:hover{background:var(--cream-deep)}
.adv-card .adv-no{font-family:var(--serif);font-size:13px;font-weight:700;color:var(--wood);letter-spacing:2px}
.adv-card .adv-ico{margin:18px 0}
.adv-card h3{font-size:18px;margin-bottom:10px}
.adv-card p{font-size:13.5px;color:var(--ink-mute)}
.adv-card::after{
  content:"";position:absolute;left:28px;bottom:0;width:0;height:3px;background:var(--wood);
  transition:width .4s var(--ease);
}
.adv-card:hover::after{width:calc(100% - 56px)}

/* ---------- 服务锯齿交错列表 ---------- */
.svc-list{display:flex;flex-direction:column;gap:0}
.svc-row{
  display:grid;grid-template-columns:1.1fr 1fr;gap:0;align-items:stretch;
  position:relative;border-top:1px solid var(--line);
}
.svc-row:first-child{border-top:none}
.svc-media{position:relative;overflow:hidden;min-height:340px;background:var(--cream-deep)}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.svc-row:hover .svc-media img{transform:scale(1.05)}
.svc-body{padding:48px;display:flex;flex-direction:column;justify-content:center;background:var(--paper)}
.svc-row.reverse .svc-media{order:2}
.svc-row.reverse .svc-body{order:1}
.svc-body .step-no{font-size:12px;font-weight:700;letter-spacing:3px;color:var(--wood);margin-bottom:12px}
.svc-body h3{font-size:24px;margin-bottom:14px}
.svc-body > p{font-size:14.5px;margin-bottom:20px;max-width:48ch}
.svc-feat{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;margin-bottom:24px}
.svc-feat li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink-soft)}
.svc-feat li svg{color:var(--wood);flex-shrink:0}
/* 锯齿装饰边 */
.svc-body::before{
  content:"";position:absolute;top:24px;width:14px;height:60%;opacity:.4;
}
.svc-row:not(.reverse) .svc-body::before{right:0;background-image:linear-gradient(135deg,transparent 49.5%,var(--wood) 50%,var(--wood) 51%,transparent 51.5%);background-size:14px 14px}
.svc-row.reverse .svc-body::before{left:0;background-image:linear-gradient(-135deg,transparent 49.5%,var(--wood) 50%,var(--wood) 51%,transparent 51.5%);background-size:14px 14px}

/* ---------- 案例网格（锯齿错位） ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{
  display:flex;flex-direction:column;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:all .35s var(--ease);
}
.case-card:nth-child(3n+2){transform:translateY(20px)}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--wood)}
.case-card:nth-child(3n+2):hover{transform:translateY(14px)}
.case-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--cream-deep)}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.case-card:hover .case-img img{transform:scale(1.06)}
.case-info{padding:22px}
.case-info h3{font-size:17px;margin-bottom:8px}
.case-info p{font-size:13.5px;color:var(--ink-mute);margin-bottom:14px}
.case-meta{display:flex;justify-content:space-between;align-items:center;font-size:12.5px}
.case-meta span{color:var(--wood-deep);font-weight:600}
.case-meta .more{color:var(--ink-mute);transition:all .25s}
.case-card:hover .case-meta .more{color:var(--wood-deep);transform:translateX(4px)}

/* ---------- 首页资讯列表（横向条目） ---------- */
.news-list{display:flex;flex-direction:column;gap:0}
.news-item{
  display:grid;grid-template-columns:220px 1fr auto;gap:24px;align-items:center;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:all .3s var(--ease);
}
.news-item:hover{padding-left:12px}
.news-item:hover h4{color:var(--wood-deep)}
.n-thumb{width:220px;aspect-ratio:16/10;overflow:hidden;border-radius:var(--radius-sm);background:var(--cream-deep)}
.n-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-item:hover .n-thumb img{transform:scale(1.06)}
.n-body h4{font-size:17px;margin-bottom:8px;transition:color .25s}
.n-excerpt{font-size:13.5px;color:var(--ink-mute);margin-bottom:10px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.n-foot{display:flex;gap:16px;font-size:12.5px;color:var(--ink-mute)}
.n-foot .read{color:var(--wood-deep);font-weight:600}

/* ---------- 行业方案板块 ---------- */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ind-card{
  position:relative;padding:32px 26px;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:all .35s var(--ease);
}
.ind-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--wood),var(--wood-light),transparent);
}
.ind-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--wood)}
.ind-card h4{font-size:17px;margin:14px 0 8px}
.ind-card p{font-size:13.5px;color:var(--ink-mute);margin-bottom:14px}
.ind-card .ind-link{font-size:13px;font-weight:600;color:var(--wood-deep);display:inline-flex;align-items:center;gap:5px}
.ind-card .ind-link::after{content:"→";transition:transform .25s}
.ind-card:hover .ind-link::after{transform:translateX(4px)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .case-card:nth-child(3n+2){transform:none}
  .industry-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:880px){
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:24px}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .adv-card{border-right:none;border-bottom:1px solid var(--line)}
  .adv-card:nth-child(2n){border-right:none}
  .svc-row{grid-template-columns:1fr}
  .svc-media{min-height:240px;order:1!important}
  .svc-body{order:2!important;padding:36px 28px}
  .svc-body::before{display:none}
  .svc-feat{grid-template-columns:1fr}
}
@media (max-width:560px){
  .hero{min-height:auto;padding:120px 0 80px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .case-grid{grid-template-columns:1fr}
  .industry-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr;gap:14px}
  .n-thumb{width:100%}
}