/* ============================================================
   首页专属样式（index.html）
   模块：全屏 Banner / 核心优势 / 服务矩阵 / 定制案例 /
        开发流程 / 行业方案 / 资讯列表 / 行动召唤
   ============================================================ */

/* ---------- 全屏 Banner ---------- */
.hero{
  position:relative;min-height:calc(100vh - var(--topbar-h));
  display:flex;align-items:center;color:var(--cream-light);
  background:url("../images/banner-main.jpg") center 30% / cover no-repeat;
  overflow:hidden;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(33,26,21,.86) 8%,rgba(78,24,28,.58) 52%,rgba(33,26,21,.28))}
.hero::after{content:"";position:absolute;left:-8%;bottom:-24%;width:340px;height:340px;border:30px solid rgba(244,233,211,.07);border-radius:50%}
.hero-in{position:relative;z-index:2;width:100%;max-width:1240px;margin:0 auto;padding:120px 26px 110px}
.hero-kicker{display:inline-flex;align-items:center;gap:12px;font-size:13px;letter-spacing:6px;color:var(--gold);border:1px solid rgba(176,141,87,.55);padding:8px 18px;margin-bottom:26px}
.hero-kicker::before,.hero-kicker::after{content:"";width:22px;height:1px;background:var(--gold)}
.hero-title{font-family:var(--font-h);font-size:56px;letter-spacing:8px;line-height:1.25;max-width:820px}
.hero-title em{font-style:normal;color:var(--gold)}
.hero-sub{display:block;margin-top:22px;max-width:600px;font-size:15px;letter-spacing:2px;color:rgba(244,233,211,.85);line-height:2}
.hero-actions{display:flex;gap:18px;margin-top:42px;flex-wrap:wrap}
.hero-side{position:absolute;right:5%;top:50%;transform:translateY(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:14px}
.hero-side .hs-seal{width:74px;height:74px;border:2px solid var(--gold);display:flex;align-items:center;justify-content:center;font-family:var(--font-h);font-size:15px;letter-spacing:4px;color:var(--gold);writing-mode:vertical-rl;background:rgba(33,26,21,.3)}
.hero-side .hs-vert{writing-mode:vertical-rl;font-family:var(--font-h);letter-spacing:10px;font-size:14px;color:rgba(244,233,211,.6)}
.hero-scroll{position:absolute;left:26px;bottom:26px;z-index:2;display:flex;align-items:center;gap:10px;color:rgba(244,233,211,.7);font-size:12px;letter-spacing:4px}
.hero-scroll .hs-line{width:44px;height:1px;background:var(--gold)}

/* 文字入场动画（纯 CSS，人工节奏） */
.hero-kicker{animation:kwIn .8s .15s both}
.hero-title .t1{display:block;animation:lineIn .85s .35s both}
.hero-title .t2{display:block;animation:lineIn .85s .55s both}
.hero-sub{animation:lineIn .9s .8s both}
.hero-actions{animation:lineIn .9s 1s both}
@keyframes kwIn{from{opacity:0;letter-spacing:12px}to{opacity:1;letter-spacing:6px}}
@keyframes lineIn{from{opacity:0;transform:translateY(34px);clip-path:inset(0 0 100% 0)}to{opacity:1;transform:none;clip-path:inset(0 0 0 0)}}

/* ---------- 核心优势 ---------- */
.advantage-sec{position:relative}
.advantage-sec::before{content:"";position:absolute;top:0;right:0;width:46%;height:100%;background:radial-gradient(600px 300px at 100% 0,rgba(138,46,46,.05),transparent 70%)}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:adv}
.adv-card{position:relative;background:var(--cream-light);border:1px solid var(--cream-deep);padding:34px 28px 30px;transition:var(--t-mid)}
.adv-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--rosewood);transform:scaleY(0);transform-origin:top;transition:transform var(--t-mid)}
.adv-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-2);border-color:rgba(138,46,46,.35)}
.adv-card:hover::before{transform:scaleY(1)}
.adv-no{font-family:var(--font-h);font-size:15px;color:var(--gold);letter-spacing:3px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.adv-no::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--cream-deep),transparent)}
.adv-ic{width:54px;height:54px;border:1px solid var(--rosewood);display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--rosewood);transition:var(--t-mid)}
.adv-card:hover .adv-ic{background:var(--rosewood);color:var(--cream-light)}
.adv-ic svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.6}
.adv-card h3{font-size:19px;letter-spacing:2px;margin-bottom:12px}
.adv-card p{font-size:13.5px;color:var(--ink-soft);line-height:1.95}

/* ---------- 服务矩阵 ---------- */
.service-sec{background:var(--ink)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-card{position:relative;height:300px;overflow:hidden;color:var(--cream-light);background-size:cover;background-position:center}
.svc-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(33,26,21,.15) 30%,rgba(33,26,21,.88));transition:var(--t-mid)}
.svc-card::after{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--rosewood),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform var(--t-mid)}
.svc-card:hover::after{transform:scaleX(1)}
.svc-card:hover::before{background:linear-gradient(180deg,rgba(78,24,28,.25) 20%,rgba(33,26,21,.92))}
.svc-body{position:absolute;left:26px;right:26px;bottom:24px;z-index:2}
.svc-body h3{font-size:20px;letter-spacing:3px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.svc-body h3 .svc-idx{font-family:var(--font-h);font-size:13px;color:var(--gold);border:1px solid rgba(176,141,87,.6);padding:3px 8px}
.svc-body p{font-size:13px;color:rgba(244,233,211,.75);line-height:1.8;max-height:0;opacity:0;overflow:hidden;transition:var(--t-mid)}
.svc-card:hover .svc-body p{max-height:90px;opacity:1;margin-top:4px}
.svc-more{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:2px;color:var(--gold);margin-top:12px}
.svc-more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;transition:transform var(--t-fast)}
.svc-card:hover .svc-more svg{transform:translateX(6px)}

/* ---------- 定制案例预览 ---------- */
.case-sec{background:var(--cream-light)}
.case-split{display:grid;grid-template-columns:1.05fr 1fr;gap:0;align-items:stretch;margin-bottom:34px;background:var(--cream-light);border:1px solid var(--cream-deep);transition:var(--t-mid)}
.case-split:hover{box-shadow:var(--shadow-2)}
.case-split:nth-child(even){grid-template-columns:1fr 1.05fr}
.case-split:nth-child(even) .cs-img{order:2}
.cs-img{position:relative;min-height:280px;background-size:cover;background-position:center;overflow:hidden}
.cs-img::after{content:"";position:absolute;inset:0;border:1px solid rgba(244,233,211,.25)}
.cs-tag{position:absolute;top:18px;left:18px;z-index:2;background:var(--rosewood);color:var(--cream-light);font-size:12px;letter-spacing:2px;padding:5px 14px}
.cs-body{padding:38px 34px;display:flex;flex-direction:column}
.cs-body .cs-en{font-size:11px;letter-spacing:4px;color:var(--gold);text-transform:uppercase}
.cs-body h3{font-size:24px;letter-spacing:3px;margin:10px 0 14px}
.cs-body p{font-size:14px;color:var(--ink-soft);line-height:2;flex:1}
.cs-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;padding-top:18px;border-top:1px solid var(--cream-deep)}
.cs-meta span{font-size:12px;color:var(--ink-mute);letter-spacing:1px;padding:4px 12px;background:var(--cream)}
.cs-more-link{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:13px;letter-spacing:2px;color:var(--rosewood)}
.cs-more-link svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8}

/* ---------- 开发流程 ---------- */
.process-sec{position:relative}
.process-sec::after{content:"";position:absolute;right:0;top:0;bottom:0;width:34%;background:radial-gradient(500px 300px at 100% 100%,rgba(138,46,46,.06),transparent 70%)}
.proc-wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:proc}
.proc-step{position:relative;padding:30px 20px 24px;text-align:center;background:var(--cream-light);border:1px solid var(--cream-deep);transition:var(--t-mid)}
.proc-step::after{content:"";position:absolute;top:50%;right:-19px;width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:9px solid var(--rosewood);opacity:.85;z-index:2}
.proc-step:last-child::after{display:none}
.proc-step:hover{transform:translateY(-6px);border-color:rgba(138,46,46,.4);box-shadow:var(--shadow-1)}
.proc-num{font-family:var(--font-h);font-size:15px;letter-spacing:2px;color:var(--gold);display:block;margin-bottom:12px}
.proc-ic{width:52px;height:52px;margin:0 auto 16px;border-radius:50%;border:1px solid var(--rosewood);display:flex;align-items:center;justify-content:center;color:var(--rosewood);background:var(--cream)}
.proc-step:hover .proc-ic{background:var(--rosewood);color:var(--cream-light)}
.proc-ic svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.6}
.proc-step h3{font-size:16px;letter-spacing:2px;margin-bottom:8px}
.proc-step p{font-size:12.5px;color:var(--ink-soft);line-height:1.8}

/* ---------- 行业方案 ---------- */
.industry-sec{background:var(--ink);color:var(--cream-light)}
.ind-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ind-panel{position:relative;height:330px;overflow:hidden;display:flex;align-items:flex-end;background-size:cover;background-position:center}
.ind-panel::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(33,26,21,.92))}
.ind-panel:hover .ind-bg{transform:scale(1.06)}
.ind-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform var(--t-mid)}
.ind-body{position:relative;z-index:2;padding:28px 30px}
.ind-body .ind-city{display:block;font-size:12px;letter-spacing:5px;color:var(--gold);margin-bottom:8px}
.ind-body h3{font-size:24px;letter-spacing:3px;margin-bottom:8px}
.ind-body p{font-size:13px;color:rgba(244,233,211,.78);line-height:1.9}
.ind-body a{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--gold);letter-spacing:2px}
.ind-body a svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8}

/* ---------- 资讯列表 ---------- */
.news-sec{background:var(--cream-light)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--cream-light);border:1px solid var(--cream-deep);transition:var(--t-mid);display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.nc-thumb{position:relative;display:block;overflow:hidden;aspect-ratio:16/10;background:var(--cream-deep)}
.nc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-mid)}
.news-card:hover .nc-thumb img{transform:scale(1.06)}
.nc-date{position:absolute;left:0;bottom:0;background:var(--rosewood);color:var(--cream-light);font-size:12px;letter-spacing:1px;padding:4px 12px}
.nc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.nc-body h3{font-size:16px;letter-spacing:1px;line-height:1.55;margin-bottom:10px}
.nc-body h3 a{transition:color var(--t-fast)}
.nc-body h3 a:hover{color:var(--rosewood)}
.nc-body p{font-size:13px;color:var(--ink-soft);line-height:1.9;flex:1}
.nc-body .nc-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:12px;color:var(--rosewood);letter-spacing:2px}
.nc-body .nc-more svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.8}

/* ---------- 信任数据 ---------- */
.trust-sec{background:linear-gradient(120deg,var(--rosewood-dark),var(--rosewood));color:var(--cream-light)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.trust-item{padding:26px 10px;border:1px solid rgba(244,233,211,.2);position:relative}
.trust-item::before{content:"";position:absolute;left:-1px;top:-1px;width:22px;height:22px;border-left:2px solid var(--gold);border-top:2px solid var(--gold)}
.trust-item::after{content:"";position:absolute;right:-1px;bottom:-1px;width:22px;height:22px;border-right:2px solid var(--gold);border-bottom:2px solid var(--gold)}
.trust-num{font-family:var(--font-h);font-size:42px;color:var(--gold);letter-spacing:2px}
.trust-label{font-size:13px;letter-spacing:4px;color:rgba(244,233,211,.85);margin-top:6px}

@media (max-width:1024px){
  .adv-grid,.svc-grid{grid-template-columns:repeat(2,1fr)}
  .proc-wrap{grid-template-columns:repeat(3,1fr)}
  .proc-step::after{display:none}
  .hero-title{font-size:42px}
  .hero-side{display:none}
}
@media (max-width:640px){
  .adv-grid,.svc-grid,.ind-grid,.news-grid,.trust-grid{grid-template-columns:1fr}
  .proc-wrap{grid-template-columns:1fr}
  .hero-title{font-size:30px;letter-spacing:4px}
  .hero-in{padding:90px 18px 80px}
  .case-split,.case-split:nth-child(even){grid-template-columns:1fr}
  .case-split:nth-child(even) .cs-img{order:0}
  .cs-body{padding:26px 22px}
  .hero-actions .btn{width:100%;justify-content:center}
}


/* ---------- 内联样式迁移（CSS 外置化） ---------- */
.svc-1{background-image:url("../images/team-design.jpg")}
.svc-2{background-image:url("../images/data-analytics.jpg")}
.svc-3{background-image:url("../images/device-mockup.jpg")}
.svc-4{background-image:url("../images/office-a.jpg")}
.svc-5{background-image:url("../images/phone-browse.jpg")}
.svc-6{background-image:url("../images/security-scan.jpg")}
.cs-1{background-image:url("../images/factory-electric.jpg")}
.cs-2{background-image:url("../images/solar-energy.jpg")}
.cs-3{background-image:url("../images/building-site.jpg")}
.ind-puyang{background-image:url("../images/city-puyang.jpg")}
.ind-xuchang{background-image:url("../images/city-xuchang.jpg")}
.btn-row{text-align:center;margin-top:8px}
.trust-suf{font-size:22px}