/* =========================================================
   联影集团官网 · 首页样式
   视觉依据：PPT 导出 PDF 取色（白/浅灰 + 香槟金 + 近黑）
   ========================================================= */

:root{
  --gold:#C0A860;
  --gold-deep:#9A8140;
  --ink:#141414;
  --ink-soft:#4a4a4a;
  --gray:#7c7c7c;
  --line:#e4e2dc;
  --bg:#ffffff;
  --bg-soft:#f5f5f3;
  --bg-dark:#111111;
  --maxw:1280px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:76px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 18px)}
html.initial-hash-navigation{scroll-behavior:auto}
html.content-document{scroll-snap-type:none;scroll-padding-top:calc(var(--header-h) + 18px)}
body{
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,video{display:block;max-width:100%}
ul{list-style:none}
[id]{scroll-margin-top:calc(var(--header-h) + 18px)}
:where(a,button,input):focus-visible{
  outline:3px solid #e0c45f;outline-offset:4px;border-radius:4px;
}
.pending-link,.nav-pending{cursor:not-allowed;opacity:.58}
.nav-pending small{margin-left:7px;font-size:10px;font-weight:500;white-space:nowrap;opacity:.72}

/* ---------- 通用小节标题 ---------- */
.section-eyebrow{
  font-size:13px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold-deep);font-weight:600;margin-bottom:16px;
}
.section-eyebrow.gold{color:var(--gold)}
.section-title{
  font-size:clamp(28px,4vw,46px);font-weight:700;line-height:1.25;letter-spacing:.01em;
}
.section-title.light{color:#fff}
.section-desc{
  margin-top:18px;max-width:640px;color:var(--ink-soft);font-size:clamp(15px,1.4vw,17px);
}
.section-desc.light{color:rgba(255,255,255,.72)}
.section-head{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.hero-cta{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 30px;border:1px solid rgba(255,255,255,.6);border-radius:40px;
  color:#fff;font-size:15px;font-weight:500;
  transition:all .4s var(--ease);backdrop-filter:blur(4px);
}
.hero-cta:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.hero-cta svg{transition:transform .4s var(--ease)}
.hero-cta:hover svg{transform:translateX(4px)}
.hero-cta.gold{border-color:var(--gold);color:#fff;background:rgba(192,168,96,.14)}
.hero-cta.gold:hover{background:var(--gold);color:#111;border-color:var(--gold)}

.ghost-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 30px;border:1px solid var(--ink);border-radius:40px;
  font-size:15px;font-weight:500;transition:all .4s var(--ease);
}
.ghost-btn i{transition:transform .4s var(--ease);font-style:normal}
.ghost-btn:hover{background:var(--ink);color:#fff}
.ghost-btn:hover i{transform:translateX(4px)}
.ghost-btn.light{border-color:rgba(255,255,255,.5);color:#fff}
.ghost-btn.light:hover{background:#fff;color:var(--ink);border-color:#fff}

/* =========================================================
   顶部导航
   ========================================================= */
.site-header{
  position:fixed;top:0;left:0;width:100%;height:var(--header-h);z-index:1000;
  transition:background .4s var(--ease),box-shadow .4s var(--ease),color .4s var(--ease);
  color:#fff;
}
.header-inner{
  max-width:1440px;margin:0 auto;height:100%;padding:0 32px;
  display:flex;align-items:center;justify-content:flex-start;gap:clamp(12px,1.7vw,24px);
}
.brand{display:flex;flex-direction:column;line-height:1.1;letter-spacing:.06em}
.brand-mark{font-size:18px;font-weight:800;letter-spacing:.14em}
.brand-cn{font-size:12px;opacity:.8;letter-spacing:.3em;margin-top:2px}
.brand-logo{flex:0 0 auto;display:flex;width:120px;align-items:center;justify-content:flex-end;line-height:1}
.brand-logo-image{display:block;width:120px;height:auto;max-height:35px;object-fit:contain}

.main-nav{flex:1;min-width:0}
.main-nav #mainNav{display:flex;gap:22px;align-items:center}
.nav-item{position:static}
.nav-row{display:flex;align-items:center;gap:3px}
.nav-primary{
  font-size:16px;font-weight:500;position:relative;padding:6px 0;opacity:.92;
}
.nav-primary::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--gold);
  transition:width .35s var(--ease);
}
.nav-primary:hover{opacity:1}
.nav-primary:hover::after,.nav-primary:focus-visible::after,.nav-item.active .nav-primary::after,.nav-item.submenu-open .nav-primary::after{width:100%}
.nav-item.active .nav-primary{opacity:1}
.submenu-toggle{
  border:0;background:none;color:inherit;cursor:pointer;padding:7px 3px 6px;
  font-size:15px;line-height:1;transition:transform .25s var(--ease);
}
.nav-item.submenu-open > .nav-row .submenu-toggle{transform:rotate(180deg)}
.submenu{
  display:none;position:fixed;z-index:1100;left:0;right:0;top:var(--header-h);width:100%;
  max-height:calc(100vh - var(--header-h));max-height:calc(100dvh - var(--header-h));overflow-y:auto;
  padding:30px clamp(32px,19vw,280px) 38px;background:rgba(255,255,255,.99);color:var(--ink);
  border-top:1px solid #ecebe7;border-bottom:1px solid #deddd8;border-radius:0;
  box-shadow:0 10px 24px rgba(0,0,0,.055);overscroll-behavior:contain;
}
.nav-item.submenu-open > .submenu{display:block}
.submenu-group{width:min(460px,100%)}
.submenu-group + .submenu-group{margin-top:24px;padding-top:24px;border-top:1px solid #ecebe7}
.submenu-group-title{
  display:inline-flex;align-items:center;min-height:26px;padding:4px 10px;background:#26292d;color:#fff;
  font-size:12px;font-weight:600;line-height:1.35;letter-spacing:.04em;border-radius:2px;
}
.submenu-group-list{margin-top:10px}
.submenu-group-list > li{position:relative}
.submenu-row{display:flex;align-items:center}
.submenu-link{
  display:flex;align-items:center;width:100%;min-height:39px;padding:8px 0;color:#45484c;
  border-radius:0;font-size:14px;line-height:1.55;transition:color .2s var(--ease),padding-left .2s var(--ease);
}
a.submenu-link:hover,a.submenu-link:focus-visible{padding-left:5px;color:var(--gold-deep);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}
.site-header.submenu-active,
.site-header.submenu-active.scrolled,
.site-header.submenu-active.on-light-panel{
  background:rgba(255,255,255,.99);color:var(--ink);box-shadow:0 1px 0 #e6e5e1;backdrop-filter:none;
}

@media (min-width:769px){
  .submenu-toggle{display:none}
  .submenu{
    display:block;max-height:0;overflow:hidden;padding-top:0;padding-bottom:0;
    visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-10px);
    border-color:transparent;box-shadow:none;
    transition:max-height .32s cubic-bezier(.22,.61,.36,1),padding-top .32s cubic-bezier(.22,.61,.36,1),padding-bottom .32s cubic-bezier(.22,.61,.36,1),opacity .22s ease,transform .32s cubic-bezier(.22,.61,.36,1),visibility 0s linear .32s;
    will-change:max-height,opacity,transform;
  }
  .nav-item.submenu-open > .submenu,
  .nav-item:focus-within > .submenu{
    max-height:calc(100vh - var(--header-h));max-height:calc(100dvh - var(--header-h));overflow-y:auto;
    padding-top:30px;padding-bottom:38px;visibility:visible;opacity:1;pointer-events:auto;transform:translateY(0);
    border-top-color:#ecebe7;border-bottom-color:#deddd8;box-shadow:0 10px 24px rgba(0,0,0,.055);
    transition-delay:0s;
  }
  .site-header:has(.nav-item:focus-within){
    background:rgba(255,255,255,.99);color:var(--ink);box-shadow:0 1px 0 #e6e5e1;backdrop-filter:none;
  }
}

.header-tools{display:flex;align-items:center;gap:16px}
.tool-btn{background:none;border:none;color:inherit;cursor:pointer;display:flex;align-items:center;opacity:.9}
.tool-btn:hover{opacity:1}
.tool-link{font-size:13px;opacity:.85}
.tool-link:hover{opacity:1;color:var(--gold)}
.tool-lang{font-size:13px;opacity:.85}
.tool-lang a[aria-current]{color:var(--gold)}
.tool-lang i{margin:0 4px;font-style:normal;opacity:.5}
.tool-lang .nav-pending small{display:none}

/* 滚动后：白底 */
.site-header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.site-header.scrolled .brand-cn{opacity:.6}

/* 汉堡按钮（移动端） */
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:currentColor;transition:.3s var(--ease)}

/* 站内搜索 */
.site-search{
  width:min(680px,calc(100% - 32px));max-height:min(680px,calc(100vh - 48px));
  margin:auto;padding:0;border:0;border-radius:18px;color:var(--ink);
  box-shadow:0 30px 90px rgba(0,0,0,.3);
}
.site-search::backdrop{background:rgba(0,0,0,.62);backdrop-filter:blur(5px)}
.search-form{padding:32px}
.search-head{display:flex;align-items:center;justify-content:space-between;gap:20px}
.search-head h2{font-size:26px}
.search-close{border:0;background:var(--bg-soft);width:38px;height:38px;border-radius:50%;font-size:24px;cursor:pointer}
.search-label{display:block;margin-top:24px;font-size:14px;font-weight:600}
.search-field{display:flex;gap:10px;margin-top:8px}
.search-field input{flex:1;min-width:0;border:1px solid var(--line);border-radius:10px;padding:13px 15px;font:inherit}
.search-field button{border:0;border-radius:10px;padding:0 22px;background:var(--ink);color:#fff;font:inherit;cursor:pointer}
.search-status{margin-top:16px;color:var(--gray);font-size:13px}
.search-results{margin-top:12px;display:grid;gap:8px;max-height:330px;overflow:auto}
.search-result-link{display:flex;padding:12px 14px;background:var(--bg-soft);border-radius:9px;font-weight:600}
.search-result-link:hover{color:var(--gold-deep)}

/* 前四屏完整视频播放器 */
.video-viewer{
  width:min(1200px,calc(100% - 40px));max-height:calc(100svh - 40px);margin:auto;padding:0;
  border:0;border-radius:0;background:#050709;color:#fff;box-shadow:0 28px 90px rgba(0,0,0,.48);
}
.video-viewer::backdrop{background:rgba(0,0,0,.82);backdrop-filter:blur(5px)}
.video-viewer-shell{display:flex;min-height:0;flex-direction:column}
.video-viewer-head{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 18px}
.video-viewer-head h2{font-size:16px;font-weight:500;line-height:1.4;letter-spacing:.02em}
.video-viewer-close{
  display:grid;place-items:center;width:38px;height:38px;flex:0 0 auto;border:1px solid rgba(255,255,255,.28);
  border-radius:50%;background:transparent;color:#fff;font-size:25px;line-height:1;cursor:pointer;
}
.video-viewer-player{width:100%;height:auto;max-height:calc(100svh - 110px);background:#000;object-fit:contain}

/* =========================================================
   段落 1 · 全屏品牌首屏
   ========================================================= */
.hero{position:relative;height:100vh;min-height:620px;display:flex;align-items:center;overflow:hidden;background:#0b0b0b}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.62),rgba(0,0,0,.28) 55%,rgba(0,0,0,.12))}
.hero-content{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 32px;width:100%;color:#fff}
.hero-eyebrow{font-size:clamp(14px,1.4vw,16px);letter-spacing:.32em;text-transform:uppercase;color:rgba(255,255,255,.85);margin-bottom:22px;opacity:0;transform:translateY(20px);animation:heroIn .9s var(--ease) .2s forwards}
.hero-title{font-size:clamp(52px,9vw,120px);font-weight:800;letter-spacing:.04em;line-height:1;opacity:0;transform:translateY(28px);animation:heroIn 1s var(--ease) .38s forwards}
.hero-sub{margin-top:26px;font-size:clamp(16px,1.8vw,22px);color:rgba(255,255,255,.9);max-width:520px;opacity:0;transform:translateY(24px);animation:heroIn 1s var(--ease) .56s forwards}
.hero-cta{margin-top:40px;opacity:0;transform:translateY(24px);animation:heroIn 1s var(--ease) .74s forwards}
@keyframes heroIn{to{opacity:1;transform:none}}

.scroll-hint{position:absolute;left:50%;bottom:34px;transform:translateX(-50%);z-index:2;background:none;border:none;color:#fff;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:10px;opacity:.85}
.scroll-hint-dot{width:22px;height:36px;border:1.5px solid rgba(255,255,255,.7);border-radius:12px;position:relative}
.scroll-hint-dot::after{content:"";position:absolute;left:50%;top:8px;width:3px;height:7px;background:#fff;border-radius:2px;transform:translateX(-50%);animation:scrollDot 1.8s var(--ease) infinite}
.scroll-hint-text{font-size:12px;letter-spacing:.2em}
@keyframes scrollDot{0%{opacity:1;top:8px}70%{opacity:0;top:18px}100%{opacity:0}}

/* =========================================================
   段落 2 · 三大战略业务
   ========================================================= */
.business{padding:120px 0 40px;background:var(--bg)}
.business .section-head{text-align:center}
.business .section-desc{margin-left:auto;margin-right:auto}

.biz-list{max-width:var(--maxw);margin:70px auto 0;padding:0 32px;display:flex;flex-direction:column;gap:28px}
.biz-item{
  position:relative;display:grid;grid-template-columns:1.15fr 1fr;min-height:420px;
  border-radius:18px;overflow:hidden;background:var(--bg-soft);
  box-shadow:0 10px 40px rgba(20,20,20,.06);
}
.biz-item:nth-child(even){grid-template-columns:1fr 1.15fr}
.biz-item:nth-child(even) .biz-media{order:2}
.biz-media{
  background-color:#26282b; /* 缺图占位底色，正式素材到位后被图片覆盖 */
  background-image:linear-gradient(120deg,rgba(20,20,20,.15),rgba(20,20,20,.35)),var(--biz-img);
  background-size:cover;background-position:center;
  transition:transform 1.1s var(--ease);
}
.biz-item:hover .biz-media{transform:scale(1.06)}
.biz-text{padding:clamp(32px,4vw,60px);display:flex;flex-direction:column;justify-content:center}
.biz-index{font-size:15px;font-weight:700;color:var(--gold-deep);letter-spacing:.1em}
.biz-en{margin-top:14px;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--gray)}
.biz-h{margin-top:8px;font-size:clamp(26px,3vw,38px);font-weight:700}
.biz-p{margin-top:18px;color:var(--ink-soft);font-size:16px;max-width:460px}
.biz-more{margin-top:28px;display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink)}
.biz-more i{font-style:normal;color:var(--gold-deep);transition:transform .4s var(--ease)}
.biz-more:hover i{transform:translateX(6px)}

/* =========================================================
   段落 3 · 集团实力数读
   ========================================================= */
.stats{padding:120px 0;background:var(--bg-soft)}
.stats-inner{max-width:var(--maxw);margin:0 auto;padding:0 32px;display:grid;grid-template-columns:1fr 1.1fr;gap:70px;align-items:center}
.stats-title{font-size:clamp(28px,3.4vw,42px);font-weight:700;line-height:1.3}
.stats-desc{margin-top:22px;color:var(--ink-soft);font-size:16px}
.stats-cta{margin-top:30px;display:inline-flex;align-items:center;gap:8px;font-weight:600;border-bottom:2px solid var(--gold);padding-bottom:4px}
.stats-cta i{font-style:normal;color:var(--gold-deep);transition:transform .4s var(--ease)}
.stats-cta:hover i{transform:translateX(6px)}

.stats-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.stat{padding:34px 24px;background:#fff;border-radius:14px;border-top:3px solid var(--gold);box-shadow:0 8px 30px rgba(20,20,20,.05)}
.stat-num{display:block;font-size:clamp(34px,4vw,52px);font-weight:800;color:var(--ink);line-height:1;letter-spacing:.01em}
.stat-num.stat-text{color:var(--gold-deep)}
.stat-label{display:block;margin-top:14px;font-size:14px;color:var(--gray);line-height:1.5}
.stats-note{grid-column:1 / -1;margin-top:8px;font-size:12px;color:#a5a5a5}

/* =========================================================
   段落 4 · 创新前沿
   ========================================================= */
.innovation{padding:120px 0;background:var(--bg)}
.story-grid{max-width:var(--maxw);margin:64px auto 0;padding:0 32px;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.story-card{position:relative;border-radius:16px;overflow:hidden;background:#000;min-height:440px;display:flex;align-items:flex-end;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.story-card:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(20,20,20,.18)}
.story-img{position:absolute;inset:0;background-color:#242424;background-image:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.78)),var(--story-img);background-size:cover;background-position:center;transition:transform 1.1s var(--ease)}
.story-card:hover .story-img{transform:scale(1.07)}
.story-body{position:relative;z-index:2;padding:32px;color:#fff}
.story-tag{display:inline-block;font-size:12px;letter-spacing:.14em;padding:5px 12px;border:1px solid rgba(255,255,255,.5);border-radius:20px;margin-bottom:16px}
.story-h{font-size:21px;font-weight:700;line-height:1.4}
.story-p{margin-top:12px;font-size:14px;color:rgba(255,255,255,.78)}
.innovation-foot{text-align:center;margin-top:54px}

/* =========================================================
   段落 5 · 最新动态（深色）
   ========================================================= */
.news{padding:120px 0;background:var(--bg-dark);color:#fff;overflow:hidden}
.news-head{max-width:var(--maxw);margin:0 auto;padding:0 32px;display:flex;justify-content:space-between;align-items:flex-end;gap:24px}
.news-ctrl{display:flex;gap:12px}
.news-arrow{width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:none;color:#fff;font-size:18px;cursor:pointer;transition:all .3s var(--ease)}
.news-arrow:hover{background:var(--gold);border-color:var(--gold);color:#111}
.news-arrow:disabled{opacity:.3;cursor:not-allowed}

.news-track-wrap{max-width:var(--maxw);margin:54px auto 0;padding:0 32px;overflow:hidden}
.news-track{display:flex;gap:24px;transition:transform .6s var(--ease)}
.news-card{flex:0 0 calc((100% - 48px)/3);border-radius:14px;overflow:hidden;background:#1c1c1c;transition:transform .5s var(--ease)}
.news-card:hover{transform:translateY(-6px)}
.news-img{height:220px;background-color:#2a2a2a;background-image:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.25)),var(--news-img);background-size:cover;background-position:center;transition:transform 1s var(--ease)}
.news-card:hover .news-img{transform:scale(1.06)}
.news-info{padding:24px}
.news-type{font-size:12px;letter-spacing:.12em;color:var(--gold)}
.news-title{margin-top:10px;font-size:18px;font-weight:600;line-height:1.4}
.news-date{margin-top:10px;font-size:14px;color:rgba(255,255,255,.55)}
.news-foot{text-align:center;margin-top:50px}

/* =========================================================
   段落 6 · 虚拟展厅
   ========================================================= */
.pavilion{position:relative;height:78vh;min-height:520px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.pavilion-bg{position:absolute;inset:0;background-image:var(--pavilion-fallback,linear-gradient(120deg,#1a1a1a,#2c2a24));background-size:cover;background-position:center;transition:transform 6s var(--ease)}
.pavilion:hover .pavilion-bg{transform:scale(1.08)}
.pavilion-overlay{position:absolute;inset:0;background:radial-gradient(circle at center,rgba(0,0,0,.28),rgba(0,0,0,.68))}
.pavilion-content{position:relative;z-index:2;color:#fff;padding:0 24px}
.pavilion-title{font-size:clamp(34px,5vw,60px);font-weight:800;letter-spacing:.02em}
.pavilion-sub{margin-top:18px;font-size:clamp(15px,1.6vw,19px);color:rgba(255,255,255,.85);max-width:560px;margin-left:auto;margin-right:auto}
.pavilion-content .hero-cta{margin-top:34px}

/* 展厅背景占位图（如有实拍则在 HTML 内联 --pavilion-fallback 覆盖，或用真实图片） */
.pavilion-bg{background-image:linear-gradient(120deg,#15140f,#33302a)}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{background:#0d0d0d;color:rgba(255,255,255,.72);font-size:14px}
.footer-top{max-width:1440px;margin:0 auto;padding:70px 32px 40px;display:grid;grid-template-columns:1fr;gap:42px}
.footer-nav{display:grid;grid-template-columns:repeat(7,minmax(105px,1fr));gap:28px}
.footer-brand .brand-mark{color:#fff;font-size:20px}
.footer-slogan{margin-top:14px;color:var(--gold);letter-spacing:.08em;font-size:13px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col h4.mt{margin-top:26px}
.footer-col li{margin-bottom:10px}
.footer-col a{opacity:.72;transition:.3s}
.footer-col a:hover{opacity:1;color:var(--gold)}
.footer-col .nav-pending{display:block;line-height:1.45}
.footer-sites{columns:1}
.soon{font-size:11px;opacity:.5}

.footer-mid{max-width:1440px;margin:0 auto;padding:30px 32px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px}
.footer-company{color:#fff;font-size:15px;font-weight:600;margin-bottom:8px}
.footer-contact p{margin-bottom:4px;opacity:.7}
.footer-record{opacity:.5}
.footer-social{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.social-dot{width:auto;min-width:44px;height:34px;padding:0 12px;border:1px solid rgba(255,255,255,.25);border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:12px;cursor:pointer;transition:.3s}
.social-dot:hover{background:var(--gold);color:#111;border-color:var(--gold)}
.social-dot.nav-pending:hover{background:transparent;color:inherit;border-color:rgba(255,255,255,.25)}

.footer-bottom{max-width:1440px;margin:0 auto;padding:22px 32px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;opacity:.7}
.footer-legal{display:flex;gap:22px}
.footer-legal a:hover{color:var(--gold)}

/* =========================================================
   滚动淡入
   ========================================================= */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1024px){
  .main-nav #mainNav{gap:12px}
  .nav-primary{font-size:14px}
  .tool-link{display:none}
  .stats-inner{grid-template-columns:1fr;gap:44px}
  .story-grid{grid-template-columns:1fr 1fr}
  .news-card{flex-basis:calc((100% - 24px)/2)}
  .footer-nav{grid-template-columns:repeat(4,minmax(130px,1fr))}
}
@media (max-width:768px){
  :root{--header-h:64px}
  .header-inner{padding:0 20px;gap:12px}
  .brand-logo{order:-1;width:104px;margin-right:auto;justify-content:flex-start}
  .brand-logo-image{width:104px;max-height:30px}
  .main-nav,.tool-link,.tool-lang{display:none}
  .site-header.nav-open .main-nav{
    display:block;position:fixed;top:var(--header-h);left:0;width:100%;
    max-height:calc(100svh - var(--header-h));overflow-y:auto;overscroll-behavior:contain;
    background:rgba(255,255,255,.98);backdrop-filter:blur(12px);padding:20px 32px 34px;box-shadow:0 12px 30px rgba(0,0,0,.08);
  }
  .site-header.nav-open .main-nav #mainNav{flex-direction:column;align-items:stretch;gap:4px}
  .site-header.nav-open .nav-row{border-bottom:1px solid var(--line)}
  .site-header.nav-open .nav-primary{display:block;flex:1;padding:14px 0;color:var(--ink);font-size:17px}
  .site-header.nav-open .nav-primary::after{display:none}
  .site-header.nav-open .submenu-toggle{color:var(--ink);padding:16px 10px}
  .site-header.nav-open .submenu{
    display:none;position:static;width:auto;max-height:none;overflow:visible;transform:none;min-width:0;margin:0 0 8px;padding:10px 8px 14px 16px;
    visibility:visible;opacity:1;pointer-events:auto;clip-path:none;transition:none;
    border:0;border-left:2px solid var(--gold);border-radius:0;box-shadow:none;background:var(--bg-soft);
  }
  .site-header.nav-open .nav-item.submenu-open > .submenu{display:block}
  .site-header.nav-open .submenu-group{width:100%}
  .site-header.nav-open .submenu-group + .submenu-group{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
  .site-header.nav-open .submenu-group-title{font-size:11px;min-height:24px;padding:4px 8px}
  .site-header.nav-open .submenu-group-list{margin-top:6px}
  .site-header.nav-open .submenu-link{min-height:44px;padding:10px 10px;color:var(--ink);white-space:normal}
  .site-header.nav-open a.submenu-link:hover,.site-header.nav-open a.submenu-link:focus-visible{padding-left:10px;text-decoration:none}
  .nav-toggle{display:flex;color:inherit}
  .site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
  .site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .site-header.nav-open{background:rgba(255,255,255,.98);color:var(--ink)}

  .biz-item,.biz-item:nth-child(even){grid-template-columns:1fr}
  .biz-media{min-height:240px}
  .biz-item:nth-child(even) .biz-media{order:0}
  .stats-grid{grid-template-columns:1fr}
  .story-grid{grid-template-columns:1fr}
  .news-card{flex-basis:calc(100% - 0px)}
  .news-head{flex-direction:column;align-items:flex-start}
  .business,.stats,.innovation,.news{padding:80px 0}
}
@media (max-width:768px){
  .hero{height:88vh}
  .footer-nav{grid-template-columns:repeat(2,minmax(130px,1fr))}
}
@media (max-width:480px){
  .footer-nav{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .search-form{padding:24px 20px}
  .search-field{flex-direction:column}
  .search-field button{padding:12px 18px}
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* =========================================================
   首页 v2 · 一屏一主题的沉浸式视频叙事
   ========================================================= */
body{background:#05080b;color:#fff}
.immersive-home{background:#05080b}
.site-header.scrolled{
  background:rgba(7,10,13,.82);color:#fff;border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:none;backdrop-filter:blur(16px) saturate(125%);
}
.site-header.scrolled .brand-cn{opacity:.68}

.section-rail{
  position:fixed;right:26px;top:50%;z-index:700;display:flex;flex-direction:column;gap:12px;
  transform:translateY(-50%);
}
.section-rail a{
  position:relative;display:block;width:7px;height:7px;border:1px solid rgba(255,255,255,.7);
  border-radius:50%;background:rgba(8,10,12,.25);transition:transform .3s var(--ease),background .3s var(--ease);
}
.section-rail a::before{
  content:attr(data-label);position:absolute;right:17px;top:50%;padding:5px 9px;border-radius:5px;
  background:rgba(5,8,11,.82);color:#fff;font-size:11px;white-space:nowrap;
  opacity:0;pointer-events:none;transform:translate(6px,-50%);transition:.25s var(--ease);
}
.section-rail a:hover::before,.section-rail a:focus-visible::before{opacity:1;transform:translate(0,-50%)}
.section-rail a:hover,.section-rail a:focus-visible,.section-rail a[aria-current="true"]{transform:scale(1.65);background:var(--gold);border-color:var(--gold)}

.immersive-panel{
  position:relative;isolation:isolate;display:flex;align-items:center;min-height:100vh;min-height:100svh;
  overflow:hidden;color:#fff;background:#070a0d;scroll-margin-top:0;
}

/* 首页整屏吸附：桌面端精确对齐，移动端保留温和的原生触控。 */
@media (min-width:769px) and (prefers-reduced-motion:no-preference){
  html{scroll-snap-type:y mandatory;scroll-padding-top:0}
  html.initial-hash-navigation,
  html.snap-transitioning{scroll-snap-type:none;scroll-behavior:auto}
  .immersive-panel{scroll-snap-align:start;scroll-snap-stop:always}
  .site-footer{scroll-snap-align:start;scroll-snap-stop:normal}
}
@media (max-width:768px) and (prefers-reduced-motion:no-preference){
  html{scroll-snap-type:y proximity;scroll-padding-top:0}
  .immersive-panel{scroll-snap-align:start;scroll-snap-stop:normal}
  .site-footer{scroll-snap-align:start;scroll-snap-stop:normal}
}
.anchor-target{position:absolute;inset:0 auto auto 0;width:1px;height:1px;pointer-events:none}
.panel-media{position:absolute;inset:0;z-index:0;overflow:hidden;background:#0b1014}
.panel-poster,.panel-video{
  position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:cover;object-position:center;
}
.panel-poster{z-index:0;transform:scale(1.01)}
.panel-video{z-index:1;opacity:0;transition:opacity 1s var(--ease)}
.immersive-panel.video-ready .panel-video{opacity:1}
.immersive-panel.video-error .panel-video,.poster-only .panel-video{display:none}
.panel-veil{position:absolute;inset:0;z-index:1;pointer-events:none}
.panel-veil-left{background:linear-gradient(90deg,rgba(3,7,10,.9) 0%,rgba(3,7,10,.72) 38%,rgba(3,7,10,.22) 70%,rgba(3,7,10,.12) 100%),linear-gradient(0deg,rgba(2,5,7,.58),transparent 45%)}
.panel-veil-right{background:linear-gradient(270deg,rgba(3,7,10,.94) 0%,rgba(3,7,10,.76) 42%,rgba(3,7,10,.2) 76%,rgba(3,7,10,.12) 100%),linear-gradient(0deg,rgba(2,5,7,.55),transparent 45%)}
.panel-veil-strong{filter:saturate(.82)}

.panel-content{
  position:relative;z-index:3;width:100%;max-width:1440px;margin:0 auto;
  padding:calc(var(--header-h) + 80px) clamp(32px,7vw,112px) 86px;
}
.panel-content>*{max-width:670px}
.panel-content-right{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(540px,620px);
  column-gap:clamp(24px,3vw,48px);padding-inline:clamp(32px,7vw,112px);
}
.panel-content-right>*{grid-column:2;max-width:620px}
.panel-kicker{
  display:flex;align-items:center;gap:13px;margin-bottom:19px;color:rgba(255,255,255,.76);
  font-size:12px;font-weight:650;letter-spacing:.19em;text-transform:uppercase;
}
.panel-kicker span{color:var(--gold);font-variant-numeric:tabular-nums}
.panel-number{
  margin-bottom:clamp(16px,2.2vh,24px);color:var(--gold);font-size:var(--home-type-label,14px);
  font-weight:500;line-height:1.4;letter-spacing:.12em;font-variant-numeric:tabular-nums;
}
.panel-title{font-size:clamp(44px,6.2vw,88px);font-weight:740;line-height:1.08;letter-spacing:.015em;text-wrap:balance}
.brand-title{font-size:clamp(66px,9.5vw,132px);letter-spacing:.055em}
.panel-statement{margin-top:20px;font-size:clamp(18px,2vw,27px);font-weight:560;letter-spacing:.12em;color:#fff}
.panel-copy{margin-top:22px;max-width:650px;color:rgba(255,255,255,.84);font-size:clamp(15px,1.45vw,19px);line-height:1.9;text-wrap:pretty}

.panel-video-trigger{
  position:absolute;inset:0;z-index:2;width:100%;height:100%;border:0;border-radius:0;
  background:transparent;cursor:pointer;touch-action:pan-y;
}
.panel-video-trigger:focus-visible{outline:3px solid #e0c45f;outline-offset:-9px;border-radius:0}
.video-clickable .panel-content{pointer-events:none}
.video-clickable .panel-content .panel-route{pointer-events:auto}
.panel-route{
  position:relative;z-index:4;display:inline-flex;width:fit-content;margin-top:26px;padding-bottom:5px;
  border-bottom:1px solid rgba(255,255,255,.72);color:#fff;font-size:14px;font-weight:500;line-height:1.5;
}
.panel-route:hover{color:var(--gold);border-bottom-color:var(--gold)}

.brand-panel .panel-poster,.brand-panel .panel-video{object-position:50% center}

/* 第 2 屏：独立白底企业介绍 */
.about-summary-panel{
  min-height:100vh;min-height:100svh;overflow:visible;background:#fff;color:var(--ink);
}
.about-summary-inner{
  width:100%;max-width:1440px;margin:0 auto;padding:calc(var(--header-h) + 64px) clamp(32px,7vw,112px) 64px;
}
.about-summary-intro{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.88fr);align-items:start;
  gap:clamp(52px,8vw,132px);
}
.about-summary-title{
  max-width:610px;font-size:clamp(38px,3.5vw,58px);font-weight:600;line-height:1.22;
  letter-spacing:.01em;text-wrap:balance;
}
.about-summary-copy{
  max-width:560px;padding-top:7px;color:#4d4f52;font-size:clamp(15px,1.12vw,18px);
  font-weight:400;line-height:1.85;text-wrap:pretty;
}
.about-summary-divider{width:100%;height:1px;margin:clamp(44px,6vh,68px) 0;background:#d9dadb}
.about-summary-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(36px,6vw,92px)}
.about-summary-stats li{min-width:0}
.about-summary-stat-value{
  display:block;color:#17191b;font-size:clamp(36px,4vw,54px);font-weight:600;line-height:1;
  letter-spacing:-.02em;white-space:nowrap;
}
.about-summary-stats span{
  display:block;margin-top:16px;color:#4f5255;font-size:clamp(13px,.95vw,15px);font-weight:400;line-height:1.55;
}
.about-summary-note{display:block;margin-top:clamp(34px,5vh,54px);color:#8a8d90;font-size:12px;font-weight:400;line-height:1.65}
.about-summary-link{
  display:inline-flex;width:fit-content;margin-top:24px;padding-bottom:5px;border-bottom:1px solid #777;
  color:#222;font-size:14px;font-weight:500;line-height:1.5;
}
.about-summary-link:hover{color:var(--gold-deep);border-bottom-color:var(--gold-deep)}
.about-summary-panel .about-reveal{opacity:1;transform:none}
.js .about-summary-panel .about-reveal{
  opacity:0;transform:translateY(18px);transition:opacity .4s var(--ease),transform .4s var(--ease);
}
.js .about-summary-panel.is-current .about-reveal{opacity:1;transform:none}
.js .about-summary-panel.is-current .about-reveal-copy{transition-delay:.05s}
.js .about-summary-panel.is-current .about-reveal-divider{transition-delay:.09s}
.js .about-summary-panel.is-current .about-reveal-stat-1{transition-delay:.13s}
.js .about-summary-panel.is-current .about-reveal-stat-2{transition-delay:.18s}
.js .about-summary-panel.is-current .about-reveal-stat-3{transition-delay:.23s}
.js .about-summary-panel.is-current .about-reveal-note{transition-delay:.28s}

.scroll-hint{
  position:absolute;z-index:4;left:50%;bottom:34px;display:flex;flex-direction:column;align-items:center;gap:9px;
  color:#fff;opacity:.8;transform:translateX(-50%);
}
.scroll-hint-line{display:block;width:1px;height:32px;background:linear-gradient(transparent,#fff);animation:scrollLine 1.8s ease-in-out infinite}
.scroll-hint-text{font-size:10px;letter-spacing:.2em}
@keyframes scrollLine{0%,100%{transform:scaleY(.55);transform-origin:top;opacity:.45}50%{transform:scaleY(1);opacity:1}}

.precision-panel .panel-poster,.precision-panel .panel-video{object-position:52% center}
.digital-panel .panel-poster,.digital-panel .panel-video{object-position:45% center}
.proactive-panel .panel-poster,.proactive-panel .panel-video{object-position:58% center}

.story-panel{align-items:stretch}
.panel-veil-story{background:linear-gradient(90deg,rgba(3,7,10,.92) 0%,rgba(3,7,10,.66) 48%,rgba(3,7,10,.3) 72%,rgba(3,7,10,.55) 100%),linear-gradient(0deg,rgba(3,7,10,.88) 0%,transparent 48%)}
.story-panel .panel-poster{object-position:62% center;filter:saturate(.82) contrast(1.04)}
.story-layout{
  position:relative;z-index:2;width:100%;max-width:1440px;min-height:100%;margin:0 auto;
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.72fr);align-items:end;gap:clamp(40px,7vw,110px);
  padding:calc(var(--header-h) + 64px) clamp(32px,7vw,112px) 76px;
}
.story-feature{align-self:center;max-width:700px}
.story-feature-title{margin-top:17px;max-width:680px;font-size:clamp(24px,3vw,40px);line-height:1.42;font-weight:650;text-wrap:balance}
.story-tag{display:inline-flex;margin-top:28px;padding:5px 11px;border:1px solid rgba(255,255,255,.32);border-radius:99px;color:rgba(255,255,255,.72);font-size:11px;letter-spacing:.12em}
.story-index{list-style:none;border-top:1px solid rgba(255,255,255,.25)}
.story-index li{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.56)}
.story-index li.is-featured{color:#fff;border-bottom-color:var(--gold)}
.story-index span{display:block;color:var(--gold);font-size:10px;letter-spacing:.15em;text-transform:uppercase}
.story-index strong{display:block;margin-top:8px;font-size:14px;line-height:1.6;font-weight:560}

.news-panel{align-items:stretch;background:#091014}
.news-media .panel-poster{filter:brightness(.32) saturate(.55);transform:scale(1.04);object-position:center 60%}
.panel-veil-news{background:linear-gradient(180deg,rgba(4,8,11,.74),rgba(4,8,11,.86) 60%,rgba(4,8,11,.96)),radial-gradient(circle at 78% 20%,rgba(61,116,127,.2),transparent 40%)}
.news-shell{
  position:relative;z-index:2;width:100%;max-width:1440px;min-height:100%;margin:0 auto;
  display:flex;flex-direction:column;justify-content:center;padding:calc(var(--header-h) + 54px) clamp(32px,7vw,112px) 64px;
}
.news-head{max-width:none;margin:0;padding:0;display:flex;align-items:flex-end;justify-content:space-between;gap:28px}
.news-head .panel-copy{margin-top:14px}
.news-ctrl{display:flex;gap:10px;flex-shrink:0}
.news-arrow{
  display:grid;place-items:center;width:46px;height:46px;border:1px solid rgba(255,255,255,.38);border-radius:50%;
  background:rgba(255,255,255,.03);color:#fff;font-size:18px;cursor:pointer;transition:.3s var(--ease);
}
.news-arrow:hover{background:var(--gold);border-color:var(--gold);color:#0b0e10}
.news-arrow:disabled{opacity:.28;cursor:not-allowed;background:transparent;color:#fff;border-color:rgba(255,255,255,.26)}
.news-track-wrap{max-width:none;margin:44px 0 0;padding:0;overflow:hidden}
.news-track{display:flex;gap:18px;transition:transform .55s var(--ease);will-change:transform}
.news-card{
  position:relative;flex:0 0 calc((100% - 36px)/3);min-height:278px;display:flex;flex-direction:column;justify-content:space-between;
  padding:25px;border:1px solid rgba(255,255,255,.17);border-radius:13px;overflow:hidden;
  background:linear-gradient(145deg,rgba(255,255,255,.11),rgba(255,255,255,.035));backdrop-filter:blur(11px);
  transition:transform .4s var(--ease),border-color .4s var(--ease),background .4s var(--ease);
}
.news-card:hover{transform:translateY(-5px);border-color:rgba(214,188,105,.6);background:linear-gradient(145deg,rgba(255,255,255,.15),rgba(255,255,255,.05))}
.news-number{font-size:12px;letter-spacing:.17em;color:rgba(255,255,255,.38)}
.news-info{padding:0}
.news-type{font-size:11px;letter-spacing:.14em;color:var(--gold)}
.news-title{margin-top:11px;font-size:clamp(18px,1.65vw,23px);font-weight:620;line-height:1.45}
.news-date{margin-top:14px;font-size:13px;color:rgba(255,255,255,.64);font-variant-numeric:tabular-nums}
.news-status{display:inline-block;margin-top:18px;color:rgba(255,255,255,.43);font-size:11px}

.showroom-panel{justify-content:center;text-align:center}
.showroom-panel .panel-poster,.showroom-panel .panel-video{object-position:center}
.panel-veil-showroom{background:radial-gradient(circle at 50% 54%,rgba(3,6,8,.18),rgba(3,6,8,.72) 68%,rgba(3,6,8,.9)),linear-gradient(0deg,rgba(3,6,8,.6),transparent 45%)}
.showroom-content{position:relative;z-index:2;width:min(800px,calc(100% - 48px));padding:calc(var(--header-h) + 50px) 0 70px}
.showroom-content .panel-kicker{justify-content:center}
.showroom-content .panel-copy{margin-left:auto;margin-right:auto}

@media (max-width:1180px){
  .section-rail{display:none}
}

@media (max-width:768px){
  body{line-height:1.6}
  .immersive-panel{min-height:100vh;min-height:100svh;align-items:center}
  .panel-content,.panel-content-right{
    padding:calc(var(--header-h) + 52px) 22px 72px;max-width:none;
  }
  .panel-content-right{display:block}
  .panel-kicker{margin-bottom:14px;font-size:10px;gap:9px;letter-spacing:.14em}
  .panel-title{font-size:clamp(40px,12vw,58px)}
  .brand-title{font-size:clamp(58px,18vw,82px)}
  .panel-statement{margin-top:16px;font-size:18px;letter-spacing:.08em}
  .panel-copy{margin-top:17px;font-size:15px;line-height:1.8}

  .brand-panel .panel-poster,.brand-panel .panel-video{object-position:52% center}
  .scroll-hint{bottom:18px}
  .scroll-hint-line{height:22px}

  .about-summary-panel{align-items:center;min-height:100svh;overflow:visible}
  .about-summary-inner{padding:calc(var(--header-h) + 38px) 22px 40px}
  .about-summary-intro{display:block}
  .about-summary-title{max-width:none;font-size:clamp(32px,9vw,40px);line-height:1.28}
  .about-summary-copy{max-width:none;margin-top:22px;padding-top:0;font-size:15px;line-height:1.75}
  .about-summary-divider{margin:28px 0 12px}
  .about-summary-stats{display:block}
  .about-summary-stats li{
    display:grid;grid-template-columns:minmax(104px,34%) minmax(0,1fr);align-items:center;gap:18px;
    padding:14px 0;border-bottom:1px solid #e2e3e4;
  }
  .about-summary-stat-value{font-size:clamp(30px,9vw,38px)}
  .about-summary-stats span{margin-top:0;font-size:13px;line-height:1.45}
  .about-summary-note{margin-top:22px;font-size:11px;line-height:1.6}
  .video-viewer{width:calc(100% - 20px);max-height:calc(100svh - 20px)}
  .video-viewer-head{padding:10px 12px}
  .video-viewer-player{max-height:calc(100svh - 88px)}

  .panel-veil-left,.panel-veil-right{
    background:linear-gradient(0deg,rgba(3,7,10,.93) 0%,rgba(3,7,10,.68) 52%,rgba(3,7,10,.28) 100%),linear-gradient(90deg,rgba(3,7,10,.55),rgba(3,7,10,.08));
  }
  .precision-panel .panel-poster,.precision-panel .panel-video{object-position:57% center}
  .digital-panel .panel-poster,.digital-panel .panel-video{object-position:56% center}
  .proactive-panel .panel-poster,.proactive-panel .panel-video{object-position:64% center}

  .story-panel{min-height:100svh}
  .story-panel .panel-poster{object-position:58% center}
  .panel-veil-story{background:linear-gradient(0deg,rgba(3,7,10,.97),rgba(3,7,10,.74) 65%,rgba(3,7,10,.34))}
  .story-layout{
    min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;gap:28px;
    padding:calc(var(--header-h) + 54px) 22px 54px;
  }
  .story-feature{align-self:auto}
  .story-feature-title{font-size:24px;line-height:1.45}
  .story-tag{margin-top:18px}
  .story-index{width:100%}
  .story-index li{padding:12px 0}
  .story-index strong{font-size:12px}

  .news-panel{min-height:100svh;overflow:hidden}
  .news-shell{min-height:100svh;justify-content:flex-start;padding:calc(var(--header-h) + 48px) 22px 54px}
  .news-head{align-items:flex-start}
  .news-ctrl{display:none}
  .news-track-wrap{margin-top:30px;overflow:visible}
  .news-track{overflow-x:auto;gap:14px;padding-right:22px;scroll-snap-type:x proximity;transform:none!important;will-change:auto;scrollbar-width:none}
  .news-track::-webkit-scrollbar{display:none}
  .news-card{flex-basis:min(82vw,330px);min-height:260px;scroll-snap-align:start;padding:22px}
  .news-title{font-size:20px}

  .showroom-content{width:calc(100% - 44px);padding-top:calc(var(--header-h) + 70px)}
  .showroom-panel .panel-poster,.showroom-panel .panel-video{object-position:52% center}
}

@media (max-width:420px) and (max-height:760px){
  .panel-title{font-size:39px}
  .brand-title{font-size:57px}
}

@media (prefers-reduced-motion:reduce){
  .panel-video{display:none!important;opacity:0!important}
  .panel-poster{transform:none!important}
  .about-summary-panel .about-reveal{opacity:1!important;transform:none!important;transition:none!important}
  .scroll-hint-line{animation:none}
  .news-track{transition:none}
}

/* =========================================================
   首页统一文字系统 · 2026-07
   只统一文字层级、行宽、留白与预览行数，不改变内容和媒体。
   ========================================================= */
:root{
  --home-type-display:clamp(44px,4.5vw,72px);
  --home-type-feature:clamp(26px,2.2vw,36px);
  --home-type-summary:clamp(15px,1.1vw,18px);
  --home-type-label:clamp(12px,.8vw,14px);
  --home-type-meta:clamp(13px,.8vw,15px);
  --home-leading-display:1.12;
  --home-leading-feature:1.35;
  --home-leading-summary:1.75;
  --home-copy-measure:620px;
}

.immersive-home .panel-content{
  padding:calc(var(--header-h) + 64px) clamp(32px,7vw,112px) 64px;
}
.immersive-home .panel-content>*{max-width:var(--home-copy-measure)}
.immersive-home .panel-content-right{
  grid-template-columns:minmax(0,1fr) minmax(0,var(--home-copy-measure));
  column-gap:clamp(24px,3vw,48px);
}
.immersive-home .panel-content-right>*{max-width:var(--home-copy-measure)}

.immersive-home .panel-title,
.immersive-home .brand-title{
  max-width:min(100%,700px);
  font-size:var(--home-type-display);
  font-weight:600;
  line-height:var(--home-leading-display);
  letter-spacing:.01em;
  writing-mode:horizontal-tb;
  text-wrap:balance;
}
.immersive-home .panel-statement{
  margin-top:clamp(18px,2.2vh,24px);
  max-width:var(--home-copy-measure);
  font-size:clamp(20px,1.7vw,28px);
  font-weight:500;
  line-height:1.4;
  letter-spacing:.06em;
}
.immersive-home .panel-copy{
  display:-webkit-box;
  margin-top:clamp(18px,2.4vh,24px);
  max-width:var(--home-copy-measure);
  overflow:hidden;
  color:rgba(255,255,255,.82);
  font-size:var(--home-type-summary);
  font-weight:400;
  line-height:var(--home-leading-summary);
  letter-spacing:0;
  text-wrap:pretty;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:3;
  line-clamp:3;
}
.immersive-home .panel-kicker{
  gap:12px;
  margin-bottom:clamp(16px,2.2vh,24px);
  font-size:var(--home-type-label);
  font-weight:500;
  line-height:1.4;
  letter-spacing:.14em;
  white-space:nowrap;
}

.immersive-home .brand-panel .panel-copy,
.immersive-home .story-feature .panel-copy,
.immersive-home .news-head .panel-copy,
.immersive-home .showroom-content .panel-copy{
  -webkit-line-clamp:2;
  line-clamp:2;
}

.immersive-home .story-layout{
  align-items:center;
  gap:clamp(48px,7vw,96px);
  padding:calc(var(--header-h) + 48px) clamp(32px,7vw,112px) 56px;
}
.immersive-home .story-feature{
  align-self:center;
  max-width:var(--home-copy-measure);
}
.immersive-home .story-tag{
  margin-top:clamp(20px,2.5vh,28px);
  color:rgba(255,255,255,.7);
  font-size:var(--home-type-label);
  font-weight:500;
  line-height:1.4;
  letter-spacing:.06em;
  white-space:nowrap;
}
.immersive-home .story-feature-title{
  display:-webkit-box;
  margin-top:clamp(28px,3.5vh,40px);
  max-width:var(--home-copy-measure);
  overflow:hidden;
  font-size:var(--home-type-feature);
  font-weight:600;
  line-height:var(--home-leading-feature);
  letter-spacing:.01em;
  text-wrap:balance;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;
  line-clamp:2;
}
.immersive-home .story-index{
  align-self:center;
  justify-self:end;
  width:100%;
  max-width:380px;
}
.immersive-home .story-index li{
  padding:clamp(14px,1.8vh,18px) 0;
  color:rgba(255,255,255,.42);
}
.immersive-home .story-index li.is-featured{color:#fff}
.immersive-home .story-index span{
  overflow:hidden;
  color:rgba(214,188,105,.6);
  font-size:var(--home-type-label);
  font-weight:500;
  line-height:1.4;
  letter-spacing:.1em;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.immersive-home .story-index li.is-featured span{color:var(--gold)}
.immersive-home .story-index strong{
  display:block;
  margin-top:7px;
  overflow:hidden;
  font-size:var(--home-type-meta);
  font-weight:400;
  line-height:1.5;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.immersive-home .story-index li.is-featured strong{font-weight:500}

.immersive-home .news-shell{
  padding:calc(var(--header-h) + 46px) clamp(32px,7vw,112px) 56px;
}
.immersive-home .news-track-wrap{margin-top:clamp(32px,4.2vh,44px)}
.immersive-home .news-number,
.immersive-home .news-type,
.immersive-home .news-date,
.immersive-home .news-status{
  overflow:hidden;
  font-size:var(--home-type-meta);
  font-weight:400;
  line-height:1.5;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.immersive-home .news-type{
  font-size:var(--home-type-label);
  font-weight:500;
  letter-spacing:.08em;
}
.immersive-home .news-number{letter-spacing:.12em}
.immersive-home .news-title{
  display:-webkit-box;
  margin-top:12px;
  overflow:hidden;
  font-size:clamp(20px,1.5vw,26px);
  font-weight:500;
  line-height:1.45;
  letter-spacing:.01em;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;
  line-clamp:2;
}
.immersive-home .news-date{margin-top:16px}
.immersive-home .news-status{margin-top:18px;color:rgba(255,255,255,.38)}

.nav-primary,
.tool-link,
.tool-lang,
.submenu-link{white-space:nowrap}
.site-footer{font-weight:400;line-height:1.6}
.footer-col h4{font-weight:600;line-height:1.4}
.footer-col a{font-weight:400;line-height:1.5}
.footer-col .nav-pending{color:rgba(255,255,255,.58);font-weight:400;opacity:1}
.footer-col .nav-pending small{opacity:.9}
.footer-contact p,.footer-record{word-break:normal;overflow-wrap:break-word}
.footer-legal{flex-wrap:wrap;row-gap:8px}

@media (min-width:769px) and (max-width:1080px){
  .immersive-home .news-card{flex-basis:calc((100% - 18px)/2)}
}

@media (max-height:820px) and (min-width:769px){
  .immersive-home .panel-content{
    padding-top:calc(var(--header-h) + 42px);
    padding-bottom:48px;
  }
  .immersive-home .panel-title,
  .immersive-home .brand-title{font-size:clamp(44px,4vw,64px)}
  .immersive-home .story-layout{
    gap:clamp(36px,5vw,72px);
    padding-top:calc(var(--header-h) + 34px);
    padding-bottom:40px;
  }
  .immersive-home .story-feature-title{
    margin-top:24px;
    font-size:clamp(25px,2vw,30px);
  }
  .immersive-home .story-feature .panel-copy{margin-top:14px}
  .immersive-home .story-index li{padding:12px 0}
  .immersive-home .news-shell{
    padding-top:calc(var(--header-h) + 34px);
    padding-bottom:40px;
  }
  .immersive-home .news-track-wrap{margin-top:28px}
  .immersive-home .news-card{min-height:240px}
}

@media (max-width:768px){
  .immersive-home .immersive-panel{min-height:max(100svh,640px)}
  .immersive-home .panel-content,
  .immersive-home .panel-content-right{
    padding:calc(var(--header-h) + 46px) 22px 58px;
  }
  .immersive-home .panel-title,
  .immersive-home .brand-title{
    max-width:100%;
    font-size:clamp(44px,10.8vw,52px);
    line-height:1.14;
  }
  .immersive-home .panel-statement{
    margin-top:16px;
    font-size:clamp(18px,5vw,22px);
    line-height:1.45;
  }
  .immersive-home .panel-copy{
    margin-top:18px;
    max-width:100%;
    font-size:15px;
    line-height:1.7;
  }
  .immersive-home .panel-kicker{
    margin-bottom:16px;
    font-size:12px;
    letter-spacing:.11em;
  }
  .immersive-home .story-layout{
    min-height:max(100svh,640px);
    justify-content:center;
    gap:22px;
    padding:calc(var(--header-h) + 34px) 22px 38px;
  }
  .immersive-home .story-tag{
    margin-top:18px;
    font-size:12px;
  }
  .immersive-home .story-feature-title{
    margin-top:24px;
    font-size:clamp(25px,7vw,30px);
    line-height:1.4;
    -webkit-line-clamp:3;
    line-clamp:3;
  }
  .immersive-home .story-feature .panel-copy{
    margin-top:14px;
    -webkit-line-clamp:3;
    line-clamp:3;
  }
  .immersive-home .story-index{max-width:none}
  .immersive-home .story-index li:not(.is-featured){display:none}
  .immersive-home .story-index li{padding:12px 0}
  .immersive-home .story-index strong{
    display:-webkit-box;
    font-size:13px;
    white-space:normal;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2;
    line-clamp:2;
  }
  .immersive-home .news-shell{
    min-height:max(100svh,640px);
    padding:calc(var(--header-h) + 38px) 22px 44px;
  }
  .immersive-home .news-track-wrap{margin-top:26px}
  .immersive-home .news-card{min-height:250px}
  .immersive-home .news-title{font-size:20px}
  .immersive-home .showroom-content{padding-bottom:56px}
}

@media (max-width:420px) and (max-height:760px){
  .immersive-home .panel-title,
  .immersive-home .brand-title{font-size:44px}
  .immersive-home .panel-content,
  .immersive-home .panel-content-right{padding-top:calc(var(--header-h) + 30px)}
  .immersive-home .panel-copy{line-height:1.6}
  .immersive-home .story-layout{gap:16px;padding-top:calc(var(--header-h) + 22px);padding-bottom:24px}
  .immersive-home .story-feature-title{margin-top:18px;font-size:24px}
  .immersive-home .story-tag{margin-top:14px}
}

/* =========================================================
   白底内容章节 · 为健康大同 / 最新动态
   以内容图片、细分隔线和充足留白取代暗色背景及玻璃卡片。
   ========================================================= */
.site-header.on-light-panel,
.site-header.on-light-panel.scrolled{
  background:rgba(255,255,255,.96);color:var(--ink);border-bottom:1px solid #e5e5e5;
  box-shadow:none;backdrop-filter:blur(14px) saturate(120%);
}
.site-header.on-light-panel .brand-cn{opacity:.62}
body.on-light-panel .section-rail a{border-color:#8d8d8d;background:rgba(255,255,255,.88)}
body.on-light-panel .section-rail a::before{background:rgba(255,255,255,.96);color:#222;border:1px solid #e5e5e5}
body.on-light-panel .section-rail a:hover,
body.on-light-panel .section-rail a:focus-visible,
body.on-light-panel .section-rail a[aria-current="true"]{background:var(--gold);border-color:var(--gold)}

.light-section-title{
  color:#111;font-size:clamp(44px,4vw,64px);font-weight:600;line-height:1.18;
  letter-spacing:.01em;writing-mode:horizontal-tb;text-wrap:balance;
}

.immersive-home .story-panel,
.immersive-home .news-panel{
  min-height:100vh;min-height:100svh;align-items:stretch;overflow:visible;background:#fff;color:#111;
}

.story-shell{
  width:100%;max-width:1440px;min-height:100vh;min-height:100svh;margin:0 auto;
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(calc(var(--header-h) + 42px),13vh,144px) clamp(32px,6vw,96px) clamp(64px,8vh,104px);
}
.story-section-head{margin-bottom:clamp(42px,5.5vh,72px)}
.story-section-head .panel-number,
.news-head .panel-number{margin-bottom:14px;color:var(--gold-deep)}
.immersive-home .story-layout{
  display:grid;grid-template-columns:minmax(0,1.48fr) minmax(360px,.92fr);
  min-height:0;align-items:center;gap:clamp(48px,6vw,88px);padding:0;
}
.story-visual{min-width:0;margin:0;overflow:hidden;border-radius:4px;background:#f7f7f5}
.story-visual img{width:100%;height:auto;aspect-ratio:16 / 9;object-fit:cover;object-position:center}
.story-details{min-width:0}
.immersive-home .story-feature{max-width:600px}
.story-category{
  color:var(--gold-deep);font-size:13px;font-weight:500;line-height:1.45;
  letter-spacing:.06em;white-space:nowrap;
}
.immersive-home .story-feature-title{
  display:-webkit-box;margin-top:16px;max-width:600px;overflow:hidden;color:#171717;
  font-size:clamp(26px,2vw,34px);font-weight:600;line-height:1.35;letter-spacing:.01em;
  text-wrap:balance;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;
}
.story-summary{
  display:-webkit-box;margin-top:18px;max-width:600px;overflow:hidden;color:#666;
  font-size:clamp(15px,1.05vw,17px);font-weight:400;line-height:1.75;
  -webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;
}
.story-feature-link{
  display:inline-flex;margin-top:22px;padding-bottom:4px;border-bottom:1px solid #8e8e8e;
  color:#222;font-size:13px;font-weight:600;line-height:1.5;
}
.story-feature-link:hover{color:var(--gold-deep);border-bottom-color:var(--gold-deep)}
.immersive-home .story-index{
  width:100%;max-width:none;margin-top:clamp(24px,3vh,34px);border-top:1px solid #e5e5e5;
}
.immersive-home .story-index li,
.immersive-home .story-index li.is-featured{
  display:grid;grid-template-columns:36px minmax(0,1fr);gap:14px;align-items:start;
  padding:13px 0;border-bottom:1px solid #e5e5e5;color:#222;
}
.immersive-home .story-index .story-index-number{
  display:block;overflow:visible;color:var(--gold-deep);font-size:12px;font-weight:500;
  line-height:1.5;letter-spacing:.08em;white-space:nowrap;
}
.story-index-copy{display:block;min-width:0}
.immersive-home .story-index a.story-index-copy{width:100%}
.immersive-home .story-index .story-index-copy small{
  display:block;color:var(--gold-deep);font-size:11px;font-weight:500;line-height:1.4;letter-spacing:.06em;
}
.immersive-home .story-index .story-index-copy strong,
.immersive-home .story-index li.is-featured .story-index-copy strong{
  display:-webkit-box;margin-top:5px;overflow:hidden;color:#222;font-size:14px;font-weight:500;
  line-height:1.55;white-space:normal;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;
}

.immersive-home .news-panel{background:#fff}
.immersive-home .news-shell{
  position:relative;z-index:2;width:100%;max-width:1440px;min-height:100vh;min-height:100svh;margin:0 auto;
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(calc(var(--header-h) + 42px),13vh,144px) clamp(32px,6vw,96px) clamp(64px,8vh,104px);
}
.immersive-home .news-head{
  max-width:none;margin:0;padding:0;display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
}
.news-intro{
  margin-top:22px;max-width:560px;color:#666;font-size:clamp(15px,1.1vw,18px);font-weight:400;line-height:1.75;
}
.immersive-home .news-ctrl{display:flex;gap:10px;flex-shrink:0}
.immersive-home .news-ctrl[hidden]{display:none}
.immersive-home .news-arrow{
  display:grid;place-items:center;width:42px;height:42px;border:1px solid #8b8b8b;border-radius:50%;
  background:#fff;color:#222;font-size:17px;cursor:pointer;box-shadow:none;transition:background .25s var(--ease),border-color .25s var(--ease),opacity .25s var(--ease);
}
.immersive-home .news-arrow:hover,
.immersive-home .news-arrow:focus-visible{background:#f7f7f5;border-color:#222;color:#111}
.immersive-home .news-arrow:disabled{opacity:.28;cursor:not-allowed;background:#fff;color:#555;border-color:#999}
.immersive-home .news-track-wrap{max-width:none;margin:clamp(52px,6.5vh,80px) 0 0;padding:0;overflow:hidden}
.immersive-home .news-track{display:flex;gap:32px;transition:transform .7s var(--ease);will-change:transform}
.immersive-home .news-card{
  position:relative;flex:0 0 calc((100% - 64px)/3);min-height:236px;display:flex;flex-direction:column;
  padding:24px 0 22px;border:0;border-top:1px solid #dcdcdc;border-radius:0;overflow:visible;
  background:#fff;color:#111;box-shadow:none;backdrop-filter:none;transition:none;
}
.immersive-home .news-card:hover{transform:none;border-color:#dcdcdc;background:#fff}
.immersive-home .news-number{
  overflow:hidden;color:#9a9a9a;font-size:13px;font-weight:400;line-height:1.5;
  letter-spacing:.1em;white-space:nowrap;text-overflow:ellipsis;
}
.immersive-home .news-info{margin-top:auto;padding:36px 0 0}
.immersive-home .news-type{
  display:block;overflow:hidden;color:var(--gold-deep);font-size:13px;font-weight:500;line-height:1.5;
  letter-spacing:.06em;white-space:nowrap;text-overflow:ellipsis;
}
.immersive-home .news-title{
  display:-webkit-box;margin-top:12px;overflow:hidden;color:#191919;font-size:clamp(20px,1.55vw,26px);
  font-weight:500;line-height:1.45;letter-spacing:.01em;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;
}
.immersive-home .news-date{
  margin-top:18px;overflow:hidden;color:#8a8a8a;font-size:13px;font-weight:400;line-height:1.5;
  white-space:nowrap;text-overflow:ellipsis;font-variant-numeric:tabular-nums;
}

@media (min-width:769px) and (max-width:1180px){
  .section-rail{right:14px;display:flex}
}

@media (min-width:769px) and (max-width:1080px){
  .immersive-home .story-layout{grid-template-columns:minmax(0,1fr) minmax(320px,1fr);gap:40px}
  .immersive-home .news-track{gap:24px}
  .immersive-home .news-card{flex-basis:calc((100% - 24px)/2)}
}

@media (max-height:820px) and (min-width:769px){
  .story-shell,
  .immersive-home .news-shell{padding-top:calc(var(--header-h) + 28px);padding-bottom:36px}
  .story-section-head{margin-bottom:28px}
  .light-section-title{font-size:clamp(42px,3.5vw,54px)}
  .immersive-home .story-layout{gap:36px}
  .immersive-home .story-feature-title{margin-top:12px;font-size:clamp(24px,1.8vw,30px)}
  .story-summary{margin-top:12px;line-height:1.65}
  .immersive-home .story-index{margin-top:18px}
  .immersive-home .story-index li,
  .immersive-home .story-index li.is-featured{padding:9px 0}
  .immersive-home .news-track-wrap{margin-top:32px}
  .immersive-home .news-card{min-height:196px;padding-top:18px;padding-bottom:18px}
  .immersive-home .news-info{padding-top:24px}
}

@media (max-width:768px){
  .section-rail{display:none}
  .immersive-home .story-panel,
  .immersive-home .news-panel{min-height:100svh;height:auto;overflow:visible}
  .story-shell,
  .immersive-home .news-shell{
    min-height:0;justify-content:flex-start;padding:calc(var(--header-h) + 36px) 22px 56px;
  }
  .story-section-head{margin-bottom:30px}
  .light-section-title{font-size:clamp(34px,9.5vw,40px);line-height:1.2}
  .immersive-home .story-layout{display:flex;flex-direction:column;align-items:stretch;gap:30px;padding:0}
  .story-visual{order:0;border-radius:3px}
  .story-details{order:1}
  .story-category{font-size:12px}
  .immersive-home .story-feature-title{
    margin-top:13px;font-size:clamp(24px,6.8vw,28px);line-height:1.4;-webkit-line-clamp:2;line-clamp:2;
  }
  .story-summary{margin-top:14px;font-size:15px;line-height:1.7;-webkit-line-clamp:3;line-clamp:3}
  .immersive-home .story-index{margin-top:24px}
  .immersive-home .story-index li,
  .immersive-home .story-index li.is-featured,
  .immersive-home .story-index li:not(.is-featured){display:grid;padding:14px 0}
  .immersive-home .story-index .story-index-copy strong,
  .immersive-home .story-index li.is-featured .story-index-copy strong{font-size:14px;-webkit-line-clamp:2;line-clamp:2}

  .immersive-home .news-head{align-items:flex-start}
  .news-intro{margin-top:18px;font-size:15px;line-height:1.7}
  .immersive-home .news-ctrl{display:none}
  .immersive-home .news-track-wrap{margin-top:40px;overflow:visible}
  .immersive-home .news-track{
    display:grid;grid-template-columns:minmax(0,1fr);gap:0;overflow:visible;padding:0;
    transform:none!important;will-change:auto;scroll-snap-type:none;
  }
  .immersive-home .news-card{
    min-height:0;display:block;padding:24px 0;border-top:1px solid #dedede;background:#fff;
  }
  .immersive-home .news-info{margin-top:20px;padding:0}
  .immersive-home .news-title{margin-top:9px;font-size:20px;line-height:1.45}
  .immersive-home .news-date{margin-top:12px}
}

@media (max-width:420px){
  .story-shell,
  .immersive-home .news-shell{padding-right:20px;padding-left:20px}
}

@media (prefers-reduced-motion:reduce){
  .immersive-home .news-track{transition:none}
}

/* 首页可见序号移除后：清除列表的数字预留空间。 */
.immersive-home .story-index li,
.immersive-home .story-index li.is-featured,
.immersive-home .story-index li:not(.is-featured){
  grid-template-columns:minmax(0,1fr);gap:0;
}
.immersive-home .news-info{margin:0;padding:0}

/* 统一的内部占位提醒：保留文字，但不形成按钮或主要视觉入口。 */
.pending-link,
.nav-pending{opacity:1;cursor:not-allowed}
.nav-pending-label{opacity:.58}
.pending-note,
.nav-pending .pending-note,
.footer-col .nav-pending .pending-note,
.tool-lang .nav-pending .pending-note{
  display:inline;margin-left:4px;padding:0;border:0;border-radius:0;
  background:none;color:currentColor;box-shadow:none;
  font-size:8px;font-weight:400;line-height:1.2;letter-spacing:0;
  opacity:.18;white-space:nowrap;pointer-events:none;transition:none;
}
.nav-primary.nav-pending::after{display:none}
.nav-primary.nav-pending:hover{opacity:1}
.social-dot.nav-pending,
.social-dot.nav-pending:hover{
  width:auto;min-width:0;height:auto;padding:0;border:0;border-radius:0;
  background:none;color:inherit;box-shadow:none;cursor:not-allowed;transition:none;
}

/* =========================================================
   快速交付版统一内容页
   复用首页导航、页脚、色彩和字体；内容优先、基础响应式。
   ========================================================= */
.content-page{
  min-height:100vh;background:#fff;color:var(--ink);overflow-x:hidden;
}
.content-page .site-header,
.content-page .site-header.scrolled,
.content-page .site-header.on-light-panel{
  background:rgba(255,255,255,.96);color:var(--ink);border-bottom:1px solid #e5e5e5;
  box-shadow:none;backdrop-filter:blur(14px) saturate(120%);
}
.content-page .content-main{background:#fff;color:var(--ink)}
.content-page .site-footer{color:rgba(255,255,255,.72)}

.content-hero{
  position:relative;isolation:isolate;min-height:clamp(500px,68vh,720px);display:flex;align-items:flex-end;
  overflow:hidden;background:
    radial-gradient(circle at 78% 18%,rgba(192,168,96,.2),transparent 32%),
    linear-gradient(135deg,#0b0d10 0%,#171a1e 52%,#26221a 100%);color:#fff;
}
.content-hero::after{
  content:"";position:absolute;z-index:-1;inset:0;background:
    linear-gradient(90deg,rgba(5,7,9,.88) 0%,rgba(5,7,9,.52) 58%,rgba(5,7,9,.36) 100%);
}
.content-hero-media{position:absolute;z-index:-2;inset:0}
.content-hero-media img,
.content-hero-media video{width:100%;height:100%;object-fit:cover}
.content-hero-inner{
  width:min(1280px,100%);margin:0 auto;padding:calc(var(--header-h) + 80px) 32px clamp(72px,9vh,116px);
}
.content-eyebrow{
  margin-bottom:16px;color:var(--gold);font-size:13px;font-weight:600;line-height:1.5;
  letter-spacing:.16em;text-transform:uppercase;
}
.content-hero h1{
  max-width:900px;font-size:clamp(44px,6vw,84px);font-weight:600;line-height:1.12;letter-spacing:.01em;text-wrap:balance;
}
.content-hero-subtitle{
  margin-top:22px;max-width:780px;color:rgba(255,255,255,.92);font-size:clamp(20px,2vw,30px);
  font-weight:500;line-height:1.45;
}
.content-hero-summary{
  margin-top:20px;max-width:760px;color:rgba(255,255,255,.78);font-size:clamp(16px,1.25vw,19px);line-height:1.8;
}
.content-hero .content-copy{
  margin-top:12px;max-width:760px;color:rgba(255,255,255,.7);font-size:16px;line-height:1.8;
}
.content-back{
  display:inline-flex;margin-top:30px;padding:11px 20px;border:1px solid rgba(255,255,255,.48);
  border-radius:999px;color:#fff;font-size:14px;line-height:1.4;transition:.25s var(--ease);
}
.content-back:hover{background:#fff;color:#111;border-color:#fff}
.content-back.dark{border-color:#aaa;color:#222}
.content-back.dark:hover{background:#111;color:#fff;border-color:#111}

.content-toc{
  position:sticky;z-index:500;top:var(--header-h);overflow:hidden;border-bottom:1px solid #e8e8e6;
  background:rgba(255,255,255,.95);backdrop-filter:blur(12px);
}
.content-toc-inner{
  width:min(1280px,100%);margin:0 auto;padding:0 32px;display:flex;gap:30px;overflow-x:auto;scrollbar-width:none;
}
.content-toc-inner::-webkit-scrollbar{display:none}
.content-toc a{
  flex:0 0 auto;padding:17px 0 15px;border-bottom:2px solid transparent;color:#585858;
  font-size:14px;font-weight:500;white-space:nowrap;
}
.content-toc a:hover,
.content-toc a:focus-visible{color:var(--gold-deep);border-bottom-color:var(--gold)}

.content-section{background:#fff}
.content-section:nth-of-type(even){background:#f7f7f5}
.content-section-inner{width:min(1280px,100%);margin:0 auto;padding:clamp(74px,9vw,126px) 32px}
.content-section-head{max-width:880px;margin-bottom:clamp(38px,5vw,64px)}
.content-section-head h2{
  color:#111;font-size:clamp(34px,4.4vw,58px);font-weight:600;line-height:1.2;letter-spacing:.01em;text-wrap:balance;
}
.content-subtitle{
  margin-top:14px;color:var(--gold-deep);font-size:clamp(18px,1.65vw,24px);font-weight:500;line-height:1.5;
}
.content-summary{
  margin-top:20px;max-width:820px;color:#555;font-size:clamp(16px,1.25vw,19px);line-height:1.85;
}
.content-copy{
  max-width:900px;margin-top:18px;color:#4b4b4b;font-size:16px;line-height:1.9;
}
.content-note{margin-top:20px;color:#888;font-size:12px;line-height:1.7}
.content-pending{
  width:fit-content;max-width:100%;margin-top:18px;padding:8px 12px;border-left:2px solid var(--gold);
  background:#f5f2e9;color:#6f6548;font-size:12px;line-height:1.6;
}
.content-pending strong{font-weight:600;color:#8d783c}

.content-section-media{
  margin:0 0 clamp(38px,5vw,64px);overflow:hidden;border-radius:4px;background:#ecebe8;
}
.content-section-media img,
.content-section-media video{width:100%;max-height:660px;aspect-ratio:16 / 8;object-fit:cover}

.content-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin-top:clamp(36px,5vw,64px);
  border:1px solid #dededb;background:#dededb;
}
.content-stat{min-height:180px;padding:28px;background:#fff}
.content-stat dt{color:#171717;font-size:clamp(28px,3.2vw,46px);font-weight:600;line-height:1.1}
.content-stat dd{margin-top:16px;color:#555;font-size:14px;line-height:1.65}
.content-stat small{display:block;margin-top:12px;color:#999;font-size:11px;line-height:1.55}

.content-card-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:clamp(36px,5vw,62px);
}
.content-card{
  min-width:0;padding:28px;border:1px solid #dededb;background:#fff;color:#171717;
  transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
a.content-card:hover{
  transform:translateY(-3px);border-color:#b5a36d;box-shadow:0 18px 40px rgba(20,20,20,.08);
}
.content-card-image{
  width:calc(100% + 56px);max-width:none;height:220px;margin:-28px -28px 26px;object-fit:cover;background:#eee;
}
.content-card-category{
  margin-bottom:9px;color:var(--gold-deep);font-size:12px;font-weight:600;line-height:1.45;letter-spacing:.06em;
}
.content-card-title{font-size:clamp(19px,1.55vw,24px);font-weight:600;line-height:1.42;text-wrap:balance}
.content-card-subtitle{margin-top:10px;color:#666;font-size:14px;line-height:1.65}
.content-card-summary{margin-top:15px;color:#555;font-size:14px;line-height:1.8}
.content-card .content-copy{margin-top:13px;font-size:14px;line-height:1.8}
.content-card-link{display:block;margin-top:24px;color:var(--gold-deep);font-size:13px;font-weight:600}
.content-card .content-group-grid{grid-template-columns:1fr;gap:10px;margin-top:22px}
.content-card .content-group{padding:18px;background:#f7f7f5;border:0}
.content-card .content-group h3{font-size:15px}

.content-group-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:clamp(34px,5vw,60px);
}
.content-group{padding:30px;border-top:2px solid var(--gold);background:#fff}
.content-section:nth-of-type(odd) .content-group{background:#f7f7f5}
.content-group h3{font-size:clamp(20px,1.7vw,26px);font-weight:600;line-height:1.4}
.content-group .content-copy{font-size:14px;line-height:1.85}
.content-list{display:grid;gap:10px;margin-top:20px}
.content-list li{position:relative;padding-left:18px;color:#555;font-size:14px;line-height:1.75}
.content-list li::before{content:"";position:absolute;left:0;top:.78em;width:5px;height:5px;border-radius:50%;background:var(--gold)}

.content-quote{
  max-width:920px;margin:clamp(38px,6vw,70px) 0;padding:28px 32px;border-left:3px solid var(--gold);background:#111;color:#fff;
}
.content-quote p{font-size:clamp(22px,2.4vw,34px);font-weight:500;line-height:1.55;text-wrap:balance}
.content-quote cite{display:block;margin-top:18px;color:var(--gold);font-size:13px;font-style:normal}

.content-timelines{display:grid;gap:24px;margin-top:clamp(40px,6vw,72px)}
.content-timeline{display:grid;grid-template-columns:minmax(180px,.36fr) minmax(0,1fr);gap:44px;padding:38px 0;border-top:1px solid #d9d9d6}
.content-timeline h3{font-size:clamp(24px,2.4vw,34px);font-weight:600;line-height:1.3}
.content-timeline .content-card-summary{margin-top:14px}
.timeline-list{grid-column:2;display:grid;gap:0;border-left:1px solid #d0c49f}
.timeline-list li{position:relative;padding:0 0 24px 28px;color:#4f4f4f;font-size:14px;line-height:1.8}
.timeline-list li::before{content:"";position:absolute;left:-5px;top:.62em;width:9px;height:9px;border-radius:50%;background:var(--gold)}

.detail-status{width:min(980px,calc(100% - 64px));margin:42px auto 0}
.detail-body{width:min(980px,100%);margin:0 auto;padding:clamp(64px,8vw,112px) 32px}
.detail-block{padding:0 0 clamp(46px,6vw,76px)}
.detail-block + .detail-block{padding-top:clamp(46px,6vw,76px);border-top:1px solid #ddd}
.detail-block h2{font-size:clamp(28px,3.2vw,44px);font-weight:600;line-height:1.3;text-wrap:balance}
.detail-block .content-copy{max-width:none;margin-top:22px;color:#3f3f3f;font-size:17px;line-height:2}
.detail-body > .content-group-grid{grid-template-columns:1fr;margin-top:0}
.detail-back-wrap{width:min(980px,100%);margin:0 auto;padding:0 32px 100px}

@media (max-width:1080px){
  .content-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .content-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:768px){
  .content-page .site-header.nav-open .main-nav{max-height:calc(100svh - var(--header-h));overflow:auto}
  .content-hero{min-height:560px}
  .content-hero-inner{padding:calc(var(--header-h) + 68px) 22px 62px}
  .content-hero h1{font-size:clamp(40px,11vw,54px)}
  .content-hero-subtitle{font-size:20px}
  .content-hero-summary,.content-hero .content-copy{font-size:15px;line-height:1.75}
  .content-toc-inner{padding:0 22px;gap:22px}
  .content-toc a{padding-top:14px;padding-bottom:12px;font-size:13px}
  .content-section-inner{padding:72px 22px}
  .content-section-head{margin-bottom:34px}
  .content-section-head h2{font-size:clamp(32px,9vw,42px)}
  .content-summary,.content-copy{font-size:15px;line-height:1.8}
  .content-section-media{margin-bottom:34px}
  .content-section-media img,.content-section-media video{aspect-ratio:4 / 3}
  .content-stats{grid-template-columns:1fr}
  .content-stat{min-height:0;padding:24px}
  .content-card-grid,.content-group-grid{grid-template-columns:1fr;gap:14px;margin-top:34px}
  .content-card{padding:24px}
  .content-card-image{width:calc(100% + 48px);height:200px;margin:-24px -24px 22px}
  .content-group{padding:24px}
  .content-timeline{display:block;padding:30px 0}
  .content-timeline .content-card-summary{margin-bottom:28px}
  .timeline-list{margin-left:5px}
  .detail-status{width:calc(100% - 44px);margin-top:30px}
  .detail-body{padding:64px 22px}
  .detail-block .content-copy{font-size:16px;line-height:1.9}
  .detail-back-wrap{padding:0 22px 72px}
}

@media (max-width:420px){
  .content-hero{min-height:520px}
  .content-card-title{font-size:20px}
  .content-quote{padding:24px}
}

/* =========================================================
   首页 · 为健康大同双大图故事区
   ========================================================= */
.immersive-home .story-shell{
  width:100%;max-width:1440px;min-height:100vh;min-height:100svh;margin:0 auto;
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(calc(var(--header-h) + 36px),11vh,128px) clamp(32px,6vw,96px) clamp(56px,7vh,88px);
}
.immersive-home .story-section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin:0 0 clamp(28px,4vh,48px);
}
.story-heading-copy{max-width:760px}
.story-section-intro{
  margin-top:16px;max-width:700px;color:#666;font-size:clamp(15px,1.12vw,18px);line-height:1.75;
}
.story-explore-link{
  flex:0 0 auto;margin-bottom:5px;padding-bottom:4px;border-bottom:1px solid #8e8e8e;
  color:#222;font-size:13px;font-weight:600;line-height:1.5;
}
.story-explore-link:hover,.story-explore-link:focus-visible{color:var(--gold-deep);border-bottom-color:var(--gold-deep)}
.story-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;width:100%}
.story-visual-card{
  position:relative;isolation:isolate;display:block;min-width:0;height:clamp(360px,31vw,500px);
  overflow:hidden;background:#101419;color:#fff;
}
.story-visual-card > img{
  position:absolute;z-index:-2;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;
  transition:transform .55s var(--ease),filter .55s var(--ease);
}
.story-visual-card:first-child > img{object-position:56% center}
.story-card-shade{
  position:absolute;z-index:-1;inset:0;background:linear-gradient(180deg,rgba(2,5,8,.02) 30%,rgba(2,5,8,.82) 100%);
}
.story-card-copy{
  position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:flex-start;
  padding:clamp(24px,3.2vw,44px);text-shadow:0 1px 12px rgba(0,0,0,.2);
}
.story-card-copy small{color:#e2ca82;font-size:12px;font-weight:600;line-height:1.45;letter-spacing:.08em}
.story-card-copy strong{
  display:block;margin-top:11px;max-width:640px;font-size:clamp(21px,1.9vw,30px);font-weight:600;line-height:1.4;text-wrap:balance;
}
.story-card-copy > span{
  display:-webkit-box;margin-top:11px;max-width:610px;overflow:hidden;color:rgba(255,255,255,.78);
  font-size:13px;line-height:1.65;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;
}
.story-visual-card:hover > img,.story-visual-card:focus-visible > img{transform:scale(1.025);filter:saturate(1.04)}
.story-visual-card:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

@media (max-height:820px) and (min-width:769px){
  .immersive-home .story-shell{padding-top:calc(var(--header-h) + 28px);padding-bottom:34px}
  .immersive-home .story-section-head{margin-bottom:24px}
  .story-section-intro{margin-top:10px}
  .story-visual-card{height:330px}
}

@media (max-width:768px){
  .immersive-home .story-shell{min-height:0;padding:calc(var(--header-h) + 36px) 22px 56px}
  .immersive-home .story-section-head{align-items:flex-start;gap:22px;margin-bottom:28px}
  .story-section-intro{margin-top:14px;font-size:15px;line-height:1.7}
  .story-explore-link{margin-top:9px;white-space:nowrap}
  .story-card-grid{grid-template-columns:minmax(0,1fr);gap:12px}
  .story-visual-card{height:clamp(340px,92vw,440px)}
  .story-card-copy{padding:24px 20px}
  .story-card-copy strong{font-size:22px;line-height:1.42}
  .story-card-copy > span{font-size:13px;-webkit-line-clamp:2;line-clamp:2}
}

@media (max-width:420px){
  .immersive-home .story-section-head{display:block}
  .story-explore-link{display:inline-flex;margin-top:18px}
  .story-visual-card{height:clamp(330px,96vw,420px)}
}

@media (prefers-reduced-motion:reduce){
  .submenu,.story-visual-card > img{transition:none!important;transform:none!important}
}