/* ============================================================
   index.html 首页独立样式（吊灯轻奢风 · 瀑布错落布局）
   ============================================================ */

/* ---------- 首屏 Banner ---------- */
.home-hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:linear-gradient(160deg,#24272E 0%,#1A1D23 60%,#23262C 100%);
  color:#EDE9DC;overflow:hidden;padding:170px 0 120px;
}
.home-hero-bg{position:absolute;inset:0;z-index:0}
.home-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.32}
.home-hero-shade{
  position:absolute;inset:0;
  background:
    radial-gradient(640px 360px at 20% 30%,rgba(217,190,133,.18),transparent 60%),
    radial-gradient(520px 300px at 88% 70%,rgba(195,164,104,.14),transparent 62%),
    linear-gradient(180deg,rgba(26,29,35,.72) 0%,rgba(26,29,35,.55) 45%,rgba(26,29,35,.94) 100%);
}
.home-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
}
.home-hero-kicker{
  display:inline-flex;align-items:center;gap:12px;
  font-size:14px;letter-spacing:5px;color:var(--gold-2);margin-bottom:22px;
}
.home-hero-kicker::before{content:"";width:44px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.home-hero-title{font-size:56px;line-height:1.22;letter-spacing:4px;color:#fff;margin-bottom:26px}
.home-hero-title span{display:block}
.home-hero-title em{
  font-style:normal;position:relative;color:var(--gold-2);
}
.home-hero-title em::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:14px;z-index:-1;
  background:linear-gradient(90deg,rgba(217,190,133,.28),rgba(195,164,104,.05));
}
.home-hero-sub{max-width:620px;color:#C4C0B2;font-size:16.5px;margin-bottom:34px}
.home-hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:26px}
.btn-hero-line{color:#E9E3CD;border-color:rgba(217,190,133,.45)}
.btn-hero-line:hover{border-color:var(--gold-2);color:#fff;background:rgba(217,190,133,.12)}
.home-hero-contact{display:flex;flex-wrap:wrap;gap:12px}

/* 首屏右侧错落图组 */
.home-hero-collage{position:relative;padding:30px 0 40px 40px}
.home-hero-shot{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.45)}
.home-hero-shot img{width:100%;height:auto;display:block}
.home-hero-shot::after{
  content:"";position:absolute;inset:0;border:1px solid rgba(217,190,133,.35);border-radius:16px;
  pointer-events:none;
}
.shot-main{width:88%;margin-left:auto}
.shot-sub{position:absolute;left:0;bottom:0;width:52%;border-radius:14px;overflow:hidden;box-shadow:0 24px 56px rgba(0,0,0,.5)}
.shot-sub img{width:100%;height:auto}
.home-hero-float{
  position:absolute;right:-6px;top:6px;z-index:3;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-3));color:#fff;
  border-radius:12px;padding:16px 22px;text-align:center;
  box-shadow:0 18px 40px rgba(160,127,63,.4);transform:rotate(3deg);
}
.home-hero-float b{display:block;font-family:var(--font-serif);font-size:30px;line-height:1.1}
.home-hero-float span{font-size:12px;opacity:.92;letter-spacing:1px}

/* 首屏底部数据条 */
.home-hero-stats{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  border-top:1px solid rgba(217,190,133,.22);
  background:rgba(20,22,27,.55);backdrop-filter:blur(8px);
}
.home-hero-stats-inner{display:grid;grid-template-columns:repeat(4,1fr);padding:18px 0}
.hs-item{display:flex;align-items:baseline;justify-content:center;gap:10px}
.hs-item b{color:var(--gold-2)}
.hs-item em{font-style:normal;font-size:13px;color:#A9A59A;letter-spacing:1px}

/* 下滑提示 */
.home-hero-scroll{
  position:absolute;left:50%;bottom:88px;transform:translateX(-50%);z-index:3;
  width:1px;height:52px;background:rgba(217,190,133,.3);overflow:hidden;
}
.home-hero-scroll span{
  position:absolute;left:0;top:-52px;width:1px;height:52px;
  background:linear-gradient(var(--gold-2),var(--gold));
  animation:scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine{0%{top:-52px}60%{top:0}100%{top:52px}}

/* ---------- 核心优势（错落卡片） ---------- */
.home-advantage{background:var(--white)}
.adv-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
  margin-top:6px;
}
.adv-card{
  background:var(--mist);border:1px solid var(--line);border-radius:18px;
  padding:38px 34px;position:relative;overflow:hidden;
  transition:all .38s ease;transform:translateY(0);
}
.adv-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  opacity:.55;transition:opacity .3s ease;
}
.adv-card::after{
  content:"";position:absolute;right:-44px;bottom:-44px;width:130px;height:130px;
  border:1px solid rgba(195,164,104,.18);border-radius:50%;
}
.adv-card:hover{transform:translateY(-8px);background:#fff;box-shadow:var(--shadow);border-color:var(--gold-2)}
.adv-card:hover::before{opacity:1}
.adv-card-lag{transform:translateY(26px)}
.adv-card-lag:hover{transform:translateY(18px)}
.adv-ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:58px;height:58px;border-radius:16px;margin-bottom:20px;
  background:linear-gradient(135deg,rgba(217,190,133,.22),rgba(195,164,104,.1));
  color:var(--gold-3);border:1px solid rgba(195,164,104,.35);
}
.adv-ico svg{width:30px;height:30px}
.adv-card h3{font-size:20px;margin-bottom:12px}
.adv-card p{font-size:14.5px;color:var(--gray);line-height:1.9}

/* ---------- 服务矩阵 ---------- */
.home-service{position:relative;overflow:hidden}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.svc-card{
  position:relative;border-radius:16px;overflow:hidden;display:block;
  background:#2C3038;border:1px solid rgba(217,190,133,.18);
  transition:all .4s ease;
}
.svc-card img{width:100%;height:210px;object-fit:cover;transition:transform .6s ease;opacity:.92}
.svc-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,22,27,0) 30%,rgba(20,22,27,.88) 100%);
  pointer-events:none;
}
.svc-card-body{position:absolute;left:0;right:0;bottom:0;padding:24px 26px 22px;z-index:2}
.svc-card-body h3{color:#fff;font-size:21px;margin-bottom:8px}
.svc-card-body p{color:#B5B1A4;font-size:13.5px;line-height:1.8;margin-bottom:12px;max-height:0;overflow:hidden;transition:max-height .45s ease,opacity .4s ease;opacity:0}
.svc-card-more{display:inline-flex;align-items:center;gap:6px;color:var(--gold-2);font-size:13.5px;font-weight:600;letter-spacing:1px}
.svc-card:hover{transform:translateY(-8px);border-color:var(--gold)}
.svc-card:hover img{transform:scale(1.06);opacity:1}
.svc-card:hover .svc-card-body p{max-height:90px;opacity:1}
.svc-card-lag{transform:translateY(24px)}
.svc-card-lag:hover{transform:translateY(16px)}
.home-service-more{
  margin-top:64px;display:flex;align-items:center;justify-content:center;gap:26px;
  flex-wrap:wrap;
}
.home-service-more p{color:#A9A59A;font-size:14.5px}

/* ---------- 案例精选（瀑布错落） ---------- */
.home-case{background:var(--white)}
.case-feed{
  display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(150px,auto);
  gap:24px;
}
.case-feed-item{border-radius:16px;overflow:hidden;position:relative;box-shadow:var(--shadow-soft)}
.case-feed-item a{display:block;position:relative;height:100%}
.case-feed-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.case-feed-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,22,27,0) 40%,rgba(20,22,27,.9) 100%);
  pointer-events:none;
}
.case-feed-item:hover img{transform:scale(1.06)}
.cf-big{grid-row:span 2}
.cf-cap{position:absolute;left:0;right:0;bottom:0;padding:22px 24px;z-index:2}
.cf-cap span{
  display:inline-block;font-size:12px;letter-spacing:2px;color:var(--gold-2);
  border:1px solid rgba(217,190,133,.5);border-radius:30px;padding:3px 12px;margin-bottom:10px;
}
.cf-cap h3{color:#fff;font-size:19px;margin-bottom:8px;line-height:1.45}
.cf-cap p{color:#B5B1A4;font-size:13px;line-height:1.8}
.cf-big .cf-cap h3{font-size:23px}
.cf-big .cf-cap p{font-size:14px}
.home-case-cta{margin-top:56px;text-align:center}

/* ---------- 开发流程 ---------- */
.home-flow{position:relative}
.flow-strip{display:flex;align-items:stretch;gap:8px}
.flow-step{
  flex:1;background:var(--white);border:1px solid var(--line);border-radius:16px;
  padding:30px 24px;position:relative;transition:all .35s ease;
}
.flow-step::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.5;
}
.flow-step:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold-2)}
.flow-num{
  display:block;font-family:var(--font-serif);font-size:34px;font-weight:700;
  color:transparent;-webkit-text-stroke:1px var(--gold-3);margin-bottom:12px;line-height:1;
}
.flow-step h3{font-size:18px;margin-bottom:10px}
.flow-step p{font-size:13.5px;color:var(--gray);line-height:1.85}
.flow-arrow{display:flex;align-items:center;color:var(--gold-3);flex:none;padding:0 4px}
.home-flow-cta{margin-top:52px;text-align:center}

/* ---------- 行业解决方案 ---------- */
.home-solution{background:var(--white)}
.sol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sol-chip{
  display:flex;align-items:center;gap:14px;
  background:var(--mist);border:1px solid var(--line);border-radius:14px;
  padding:20px 22px;font-size:15px;font-weight:600;color:var(--ink-2);
  transition:all .32s ease;
}
.sol-chip svg{width:26px;height:26px;color:var(--gold-3);flex:none}
.sol-chip:hover{
  border-color:var(--gold);color:var(--gold-3);background:#fff;
  transform:translateY(-4px);box-shadow:var(--shadow-soft);
}
.home-solution-note{margin-top:40px;text-align:center}
.home-solution-note p{font-size:14.5px;color:var(--gray)}
.home-solution-note b{color:var(--gold-3)}

/* ---------- 为什么选我们 ---------- */
.home-why{position:relative;overflow:hidden}
.home-why-inner{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}
.home-why-media{position:relative}
.home-why-media img{border-radius:18px;box-shadow:0 30px 70px rgba(0,0,0,.4)}
.home-why-media::before{
  content:"";position:absolute;top:-22px;left:-22px;width:150px;height:150px;
  border-top:2px solid var(--gold);border-left:2px solid var(--gold);border-radius:8px;
  opacity:.5;
}
.home-why-badge{
  position:absolute;left:26px;bottom:-24px;z-index:2;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-3));color:#fff;
  border-radius:14px;padding:16px 22px;max-width:290px;box-shadow:0 18px 40px rgba(160,127,63,.42);
}
.home-why-badge b{display:block;font-size:18px;font-family:var(--font-serif);margin-bottom:4px}
.home-why-badge span{font-size:12.5px;opacity:.94;line-height:1.6}
.home-why-copy h2{margin-bottom:30px}
.why-list{margin-bottom:36px}
.why-list li{display:flex;gap:20px;padding:18px 0;border-bottom:1px solid rgba(217,190,133,.16)}
.why-list li:last-child{border-bottom:0}
.why-dot{
  flex:none;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-weight:700;color:var(--gold-2);
  border:1px solid rgba(217,190,133,.4);font-size:15px;
}
.why-list h3{font-size:17.5px;margin-bottom:6px;color:#EDE7D6}
.why-list p{font-size:13.5px;color:#A9A59A;line-height:1.85}

/* ---------- 首页资讯 ---------- */
.home-news{background:var(--mist)}
.home-news-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start;
}
.hn-card{
  background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:all .35s ease;
}
.hn-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold-2)}
.hn-card-media{position:relative;display:block;overflow:hidden}
.hn-card-media img{width:100%;height:210px;object-fit:cover;transition:transform .6s ease}
.hn-card:hover .hn-card-media img{transform:scale(1.05)}
.hn-card-date{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-size:12px;letter-spacing:1px;color:#fff;
  background:rgba(35,38,44,.72);border-radius:30px;padding:4px 12px;
}
.hn-card-body{padding:22px 24px 24px}
.hn-card-body h3{font-size:17px;margin-bottom:10px;line-height:1.55}
.hn-card-body h3 a:hover{color:var(--gold-3)}
.hn-card-body p{font-size:13.5px;color:var(--gray);line-height:1.85;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.hn-card-more{display:inline-flex;align-items:center;gap:6px;color:var(--gold-3);font-size:13.5px;font-weight:600}
.hn-card-more:hover{gap:10px}
.home-news-cta{margin-top:56px;text-align:center}

/* ---------- 底部 CTA ---------- */
.home-cta{
  position:relative;background:linear-gradient(150deg,#2A2E35,#1C1F25 60%,#26292F);
  padding:96px 0;overflow:hidden;
}
.home-cta::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 300px at 15% 20%,rgba(217,190,133,.15),transparent 60%),
    radial-gradient(480px 280px at 88% 80%,rgba(195,164,104,.12),transparent 62%);
}
.home-cta-inner{position:relative;z-index:2;text-align:center}
.home-cta-inner h2{color:#fff;font-size:34px;letter-spacing:3px;margin-bottom:18px}
.home-cta-inner p{color:#B9B5A9;max-width:640px;margin:0 auto 32px;font-size:15.5px}
.home-cta-actions{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.btn-cta-line{color:#E9E3CD;border-color:rgba(217,190,133,.45)}
.btn-cta-line:hover{border-color:var(--gold-2);color:#fff;background:rgba(217,190,133,.12)}
.home-cta-note{font-size:13.5px;color:#8E8A80;letter-spacing:1px}

/* ---------- 响应式 ---------- */
@media (max-width:992px){
  .home-hero-inner{grid-template-columns:1fr;gap:40px}
  .home-hero-title{font-size:40px}
  .home-hero-collage{max-width:560px;margin:0 auto}
  .adv-grid,.svc-grid{grid-template-columns:repeat(2,1fr)}
  .adv-card-lag,.svc-card-lag{transform:none}
  .adv-card-lag:hover,.svc-card-lag:hover{transform:translateY(-8px)}
  .case-feed{grid-template-columns:repeat(2,1fr)}
  .sol-grid{grid-template-columns:repeat(2,1fr)}
  .home-why-inner{grid-template-columns:1fr;gap:56px}
  .flow-strip{flex-direction:column;gap:14px}
  .flow-arrow{transform:rotate(90deg);justify-content:center;padding:0}
  .home-news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .home-hero{padding:140px 0 150px}
  .home-hero-title{font-size:30px}
  .home-hero-stats-inner{grid-template-columns:repeat(2,1fr);gap:16px 0}
  .home-hero-float{right:0}
  .adv-grid,.svc-grid,.case-feed,.sol-grid,.home-news-grid{grid-template-columns:1fr}
  .home-cta-inner h2{font-size:26px}
  .home-hero-actions .btn{width:100%}
}