/* ============ 页头 / 导航 ============ */
.hdr{
  position:fixed;top:0;left:0;right:0;z-index:120;
  transition:background .4s var(--ease),border-color .4s var(--ease);
  border-bottom:1px solid transparent;
  padding:calc(16px + env(safe-area-inset-top,0px)) 0 16px;
}
.hdr-in{display:flex;align-items:center;gap:28px}
.hdr-in>*{min-width:0}
.hdr.solid{background:rgba(14,14,15,.93);backdrop-filter:saturate(160%) blur(14px);border-bottom-color:var(--line-d)}
.hdr.on-light{background:rgba(255,255,255,.95);backdrop-filter:saturate(160%) blur(14px);border-bottom-color:var(--line-l)}

.logo{display:flex;align-items:center;color:var(--tx-light);margin-right:auto}
.on-light .logo{color:var(--tx-dark)}
.logo-mk{
  display:block;height:38px;flex:none;
}
.logo-mk img{display:block;height:100%;width:auto}
.logo-mk .lg-d{display:none}
.on-light .logo-mk .lg-l{display:none}
.on-light .logo-mk .lg-d{display:block}

.nav{display:flex;align-items:center;gap:26px;margin-right:32px}
.nav a{font-size:13px;letter-spacing:.06em;color:var(--tx-dim);position:relative;padding:5px 0}
.on-light .nav a{color:var(--tx-mid)}
.nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--gold);
  transition:right .35s var(--ease);
}
.nav a:hover,.nav a[aria-current="page"]{color:var(--gold)}
.nav a:hover::after,.nav a[aria-current="page"]::after{right:0}
.hdr-cta{display:flex;align-items:center;gap:12px}
.hdr .btn{padding:10px 22px;font-size:12.5px}
.hdr .btn-ghost{border-color:rgba(201,169,124,.55);color:var(--gold)}
.hdr .btn-ghost:hover{background:var(--gold);border-color:var(--gold);color:#1A1512}
.on-light .btn-ghost{border-color:rgba(23,23,26,.24);color:var(--tx-dark)}
.on-light .btn-ghost:hover{border-color:var(--gold);color:var(--gold)}

/* 汉堡菜单 */
.burger{display:none;width:44px;height:44px;max-width:none;flex:none;background:none;border:0;cursor:pointer;position:relative}
.burger span{position:absolute;left:9px;right:9px;height:1.5px;background:currentColor;transition:.35s var(--ease)}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:22px}
.burger span:nth-child(3){top:29px}
body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;inset:0;z-index:110;background:var(--ink);
  width:100%;
  height:100vh;height:100dvh;overflow-y:auto;overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
  padding:calc(96px + env(safe-area-inset-top,0px))
          max(24px,env(safe-area-inset-right,0px))
          calc(40px + env(safe-area-inset-bottom,0px))
          max(24px,env(safe-area-inset-left,0px));
  display:flex;flex-direction:column;gap:6px;
  opacity:0;visibility:hidden;transform:translateY(-12px);transition:.4s var(--ease);
}
body.menu-open .drawer{opacity:1;visibility:visible;transform:none}
body.menu-open{overflow:hidden}
.drawer a{
  font-size:19px;letter-spacing:.1em;color:var(--tx-light);padding:15px 4px;
  border-bottom:1px solid var(--line-d);
}
.drawer a:hover{color:var(--gold)}
.drawer .btn{margin-top:26px}

/* 抽屉底部联系入口：电话直拨 + 微信复制，缩短手机端转化路径 */
.drawer-ct{margin-top:auto;padding-top:24px;border-top:1px solid var(--line-d)}
.drawer-ct-t{display:block;font-size:11px;letter-spacing:.1em;color:var(--tx-dim-2)}
.drawer .drawer-tel{
  display:inline-flex;align-items:center;gap:10px;margin-top:12px;padding:4px 0;min-height:44px;
  font-family:var(--f-num);font-size:26px;font-weight:700;letter-spacing:.02em;color:var(--gold);
  border-bottom:0;
}
.drawer .drawer-tel svg{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.drawer-wx{
  display:flex;align-items:center;gap:10px;margin-top:2px;padding:8px 0;min-height:44px;
  background:none;border:0;cursor:pointer;text-align:left;
  font-size:13.5px;letter-spacing:.05em;color:var(--tx-dim);
}
.drawer-wx i{
  font-style:normal;flex:none;font-size:10.5px;letter-spacing:.08em;color:var(--gold);
  border:1px solid rgba(201,169,124,.45);border-radius:999px;padding:3px 10px;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.drawer-wx.copied i{background:var(--gold);border-color:var(--gold);color:#1A1512}

/* ============ 首页 Hero：全屏照片轮播 ============ */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;background:var(--ink);overflow:hidden}
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.25s var(--ease)}
.hero-slide.is-on{opacity:1}
.hero-slides::after{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(14,14,15,.42) 0%,rgba(14,14,15,0) 24%,rgba(14,14,15,0) 60%,rgba(14,14,15,.80) 100%),
    linear-gradient(100deg,rgba(11,11,12,.92) 0%,rgba(11,11,12,.78) 34%,rgba(12,12,13,.40) 66%,rgba(12,12,13,.20) 100%);
}
.hero-in{position:relative;z-index:4;width:100%;padding:146px 0 132px}
.hero h1{
  font-size:var(--fs-hero);line-height:1.17;letter-spacing:.03em;color:#fff;font-weight:600;
}
.hero h1 em{display:block;font-style:normal}
.hero h1 em.hero-accent{color:var(--gold)}
.hero-link-cases{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  margin-top:2px;min-height:44px;padding:8px 4px;
  font-size:13px;letter-spacing:.08em;color:var(--tx-dim);
  border:0;background:transparent;text-decoration:none;
}
.hero-link-cases span{color:rgba(255,255,255,.88);border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:2px}
.hero-link-cases:hover{color:var(--gold)}
.hero-link-cases:hover span{border-bottom-color:var(--gold);color:var(--gold)}
.hero-sub{margin-top:30px;font-size:16px;line-height:2;color:rgba(255,255,255,.72);max-width:30em;letter-spacing:.03em}
.hero-stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;
  margin-top:30px;max-width:380px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-stats>div{padding:18px 0 4px}
.hero-stats>div+div{padding-left:24px;border-left:1px solid rgba(255,255,255,.18)}
.hero-stats b{display:block;font-family:var(--f-num);font-size:31px;font-weight:700;letter-spacing:-.02em;line-height:1;color:#fff}
.hero-stats span{display:block;margin-top:9px;font-size:11.5px;letter-spacing:.08em;color:rgba(255,255,255,.58)}
.hero-btns{display:flex;flex-wrap:wrap;gap:13px;margin-top:42px}
/* 首屏信任路径：即使 JS 尚未把 .in 打上，也不要长时间透明 */
.hero .hero-sub.rv,.hero .hero-stats.rv,.hero .hero-btns.rv{opacity:1;transform:none}

/* 左右切换箭头：贴在首屏左右两边，悬停浮现，触屏设备常显 */
.hero-arrow{
  position:absolute;top:50%;z-index:6;transform:translateY(-50%);
  width:46px;height:46px;padding:0;cursor:pointer;color:#fff;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.44);border-radius:4px;
  background:rgba(14,14,15,.26);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;
  transition:opacity .35s var(--ease),visibility .35s var(--ease),
             background .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
}
.hero-prev{left:24px}
.hero-next{right:24px}
.hero:hover .hero-arrow,.hero-arrow:focus-visible{opacity:1;visibility:visible}
.hero-arrow:hover{background:var(--gold);border-color:var(--gold);color:#1A1512}
.hero-arrow svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
@media (hover:none){
  .hero-arrow{opacity:1;visibility:visible}
}

/* 轮播圆点：底部居中指示当前张，提示还能继续切换 */
.hero-dots{
  position:absolute;left:50%;bottom:24px;z-index:6;transform:translateX(-50%);
  display:flex;gap:9px;pointer-events:none;
}
.hero-dots span{
  width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.35);
  transition:background .35s var(--ease),transform .35s var(--ease);
}
.hero-dots span.on{background:var(--gold);transform:scale(1.2)}
/* 窗口不够宽时，首屏文字让出左右边距，避免被箭头压住 */
@media (max-width:1400px){
  .hero-in .wrap{
    padding-left:max(88px,env(safe-area-inset-left,0px));
    padding-right:max(88px,env(safe-area-inset-right,0px));
  }
}

/* ============ 数据条（独立深色横带） ============ */
.stats{background:var(--ink);color:var(--tx-light)}
.stats-in{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stats-in>*{min-width:0}
.stat{padding:40px 8px 44px;position:relative;text-align:center}
.stat+.stat::before{content:"";position:absolute;left:0;top:30px;bottom:30px;width:1px;background:var(--line-d)}
.stat>b{display:block;font-family:var(--f-num);font-size:34px;font-weight:700;letter-spacing:-.005em;color:#fff;line-height:1}
.stat>span{display:block;margin-top:13px;font-size:12.5px;letter-spacing:.12em;color:var(--tx-dim-2)}
.light .stat>b{color:var(--tx-dark)}
.light .stat>span{color:var(--tx-mid)}
.light .stat+.stat::before{background:var(--line-l)}

/* ============ 内页 Banner ============ */
.phero{position:relative;background:var(--ink);padding:186px 0 76px;overflow:hidden}
.phero .media{position:absolute;inset:0;opacity:.32}
.phero::after{
  content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(180deg,rgba(10,10,11,.94),rgba(12,12,13,.72));
}
.phero-in{position:relative;z-index:3}
.phero h1{font-size:var(--fs-page-hero);letter-spacing:.06em;color:#fff}
.phero p{margin-top:13px;font-size:13.5px;letter-spacing:.09em;color:var(--tx-dim)}
.crumb{font-family:var(--f-en);font-size:11px;letter-spacing:.2em;color:var(--tx-dim-2);margin-bottom:18px}
.crumb a:hover{color:var(--gold)}
.crumb i{margin:0 9px;font-style:normal;opacity:.5}

/* ============ 通栏 CTA（浅色渐变圆角卡） ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:24px;
  padding:58px 60px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  background:linear-gradient(105deg,#F0ECE4 0%,#F7F0E5 38%,#F4E7D3 72%,#EFE3CE 100%);
  border:1px solid rgba(201,169,124,.22);
  box-shadow:0 30px 70px rgba(23,20,16,.10),0 2px 6px rgba(23,20,16,.04);
}
.cta-card::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(120% 150% at 10% -10%,rgba(255,255,255,.82) 0%,rgba(255,255,255,0) 52%),
    radial-gradient(85% 130% at 90% 110%,rgba(201,169,124,.34) 0%,rgba(201,169,124,0) 58%);
}
.cta-card>*{position:relative;z-index:1}
.cta-card>div{min-width:0}
.cta-card h2{font-size:clamp(24px,2.4vw,32px);letter-spacing:.04em;color:var(--tx-dark);font-weight:600}
.cta-card p{margin-top:12px;font-size:14px;letter-spacing:.04em;color:var(--tx-mid)}

.btn-pill{
  display:inline-flex;align-items:center;gap:13px;flex:none;
  padding:16px 26px 16px 30px;border-radius:999px;background:var(--ink);color:#fff;
  font-size:13.5px;letter-spacing:.08em;white-space:nowrap;transition:.35s var(--ease);
}
.btn-pill i{
  width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.16);flex:none;
  display:flex;align-items:center;justify-content:center;font-style:normal;font-size:12px;
  transition:.35s var(--ease);
}
.btn-pill:hover{background:var(--gold);color:#1A1512}
.btn-pill:hover i{background:rgba(26,21,18,.18);transform:translateX(3px)}