/* 四川博海永固 · 工程企业官网 */
:root{
  --ink:#152033;
  --ink-2:#2A3A4F;
  --steel:#1E3A5F;
  --steel-d:#0F243D;
  --copper:#B8956A;
  --copper-l:#D4B896;
  --muted:#6A7788;
  --line:#D8E0EA;
  --bg:#F3F5F8;
  --white:#fff;
  --shadow:0 12px 40px rgba(15,36,61,.12);
  --radius:16px;
  --radius-s:12px;
  --radius-xs:10px;
  --maxw:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{font-family:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.num{font-variant-numeric:tabular-nums}

/* ---- 导航 ---- */
.nav{position:fixed;inset:0 0 auto;z-index:100;padding:20px 0;
  transition:padding .35s var(--ease),background .35s,box-shadow .35s}
.nav.scrolled{padding:12px 0;background:rgba(15,36,61,.96);backdrop-filter:blur(12px);
  box-shadow:0 8px 28px rgba(0,0,0,.18)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:#fff}
.brand .logo-img{width:40px;height:40px;border-radius:10px;flex:none;background:#fff;
  object-fit:contain;padding:2px}
.brand .bn{font-weight:700;font-size:18px;letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:rgba(255,255,255,.78);font-size:14px;font-weight:500;position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--copper);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.lang-switch{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.28);
  border-radius:999px;overflow:hidden;flex:none;margin-left:4px}
.lang-switch button{border:0;background:transparent;color:rgba(255,255,255,.7);font-size:12px;
  font-weight:700;padding:7px 11px;cursor:pointer;letter-spacing:.3px;transition:background .2s,color .2s}
.lang-switch button:hover{color:#fff}
.lang-switch button.active{background:var(--copper);color:#fff}
.nav-cta{display:inline-flex;align-items:center;border:0;background:var(--copper);color:#fff;
  padding:10px 22px;font-size:13px;font-weight:700;cursor:pointer;letter-spacing:.5px;
  border-radius:999px;transition:background .25s,transform .25s}
.nav-cta:hover{background:#a67d52;transform:translateY(-1px)}
body.page-inner .nav{background:rgba(15,36,61,.96);backdrop-filter:blur(12px);padding:12px 0;
  box-shadow:0 8px 28px rgba(0,0,0,.18)}

/* 内页横幅 */
.page-banner{padding:140px 0 56px;background:
  linear-gradient(105deg,rgba(15,36,61,.92),rgba(15,36,61,.55)),
  url('../img/hero_2.jpg') center/cover no-repeat;color:#fff}
.page-banner .pb-en{font-size:12px;letter-spacing:3px;color:var(--copper-l);font-weight:700;margin-bottom:12px}
.page-banner h1{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:1px}
.page-banner .pb-crumb{margin-top:16px;font-size:13px;color:rgba(255,255,255,.65)}
.page-banner .pb-crumb a{color:rgba(255,255,255,.85)}
.page-banner .pb-crumb a:hover{color:var(--copper-l)}
.page-banner .pb-crumb span{margin:0 8px;opacity:.5}

/* 首页入口卡 */
.home-entries{padding-top:0;margin-top:-40px;position:relative;z-index:5}
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.entry-card{display:block;padding:28px 26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .3s,border-color .3s}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(184,149,106,.45)}
.entry-card .en{font-size:11px;letter-spacing:2px;color:var(--copper);font-weight:700}
.entry-card h3{font-size:22px;font-weight:800;color:var(--steel-d);margin:10px 0 8px}
.entry-card p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:16px}
.entry-card .more{font-size:13px;font-weight:700;color:var(--copper)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer}
.hamburger span{width:24px;height:2px;background:#fff}

/* ---- Hero ---- */
.hero{height:100vh;min-height:620px;position:relative;display:flex;align-items:center;
  background:var(--steel-d);overflow:hidden}
.hero-slides{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transform:scale(1.08);transition:opacity .9s var(--ease),transform 5.5s linear}
.hero-slide.active{opacity:1;transform:scale(1)}
.hero .overlay{position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(15,36,61,.88) 0%,rgba(15,36,61,.62) 55%,rgba(15,36,61,.28) 100%)}
.hero .inner{position:relative;z-index:3;width:100%}
.hero-copy{max-width:920px;width:100%;color:#fff;text-align:left}
.hero-copy.is-swap{animation:copyIn .55s var(--ease)}
@keyframes copyIn{
  from{opacity:0;transform:translateY(18px)}
  to{opacity:1;transform:none}
}
.hero .eyebrow{font-size:13px;color:var(--copper-l);letter-spacing:4px;margin-bottom:22px;
  display:inline-block;padding-left:14px;border-left:2px solid var(--copper)}
.hero h1{font-size:clamp(36px,5vw,60px);font-weight:800;line-height:1.2;letter-spacing:2px;
  max-width:720px}
.hero .slogan{margin-top:20px;font-size:clamp(18px,2.2vw,26px);color:var(--copper-l);font-weight:600;
  letter-spacing:4px}
.hero .desc{margin-top:22px;font-size:16px;line-height:2;color:rgba(255,255,255,.76);
  max-width:640px;letter-spacing:.3px}
.hero .facts{display:flex;gap:20px;margin-top:42px;flex-wrap:wrap;
  max-width:860px;justify-content:space-between}
.hero .facts .f{flex:1;min-width:140px;padding-right:12px;
  border-left:1px solid rgba(255,255,255,.18);padding-left:18px}
.hero .facts .f:first-child{border-left:0;padding-left:0}
.hero .facts .f b{display:block;font-size:28px;font-weight:800}
.hero .facts .f span{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:6px;display:block;
  letter-spacing:.5px}
.hero-actions{display:flex;gap:16px;margin-top:38px}
.btn-primary,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;
  padding:12px 24px;font-size:14px;font-weight:700;border-radius:999px;transition:all .3s var(--ease)}
.btn-primary{background:var(--copper);color:#fff}
.btn-primary:hover{background:#a67d52;transform:translateY(-2px)}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* 底部圆点切换 */
.hero-dots{position:absolute;left:50%;bottom:36px;transform:translateX(-50%);z-index:4;
  display:flex;align-items:center;gap:10px}
.hero-dots button{width:9px;height:9px;border-radius:999px;border:0;padding:0;cursor:pointer;
  background:rgba(255,255,255,.35);transition:all .3s var(--ease)}
.hero-dots button.active{width:28px;background:var(--copper-l)}
.hero-dots button:hover{background:rgba(255,255,255,.7)}

/* ---- 区块标题 ---- */
.sec{padding:96px 0}
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:48px}
.sec-head .idx{font-size:13px;font-weight:700;color:var(--copper);letter-spacing:2px}
.sec-head h2{font-size:clamp(26px,3vw,36px);font-weight:800;color:var(--steel-d);position:relative}
.sec-head h2::after{content:"";display:block;width:36px;height:2px;background:var(--copper);margin-top:14px}
.sec-head.light h2{color:#fff}
.sec-head.light h2::after{background:var(--copper-l)}

/* ---- 企业简介 ---- */
.about{background:var(--bg)}
.about-main{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch;margin-bottom:22px}
.about-visual{position:relative;border-radius:var(--radius);overflow:hidden;min-height:420px;
  box-shadow:var(--shadow)}
.about-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;
  transition:transform .7s var(--ease)}
.about-visual:hover img{transform:scale(1.05)}
.about-visual .av-mask{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,36,61,.1) 30%,rgba(15,36,61,.82) 100%)}
.about-visual .av-caption{position:absolute;left:24px;right:24px;bottom:24px;z-index:2;color:#fff}
.about-visual .av-caption .lab{display:block;font-size:12px;letter-spacing:2px;color:var(--copper-l);
  margin-bottom:8px}
.about-visual .av-caption strong{display:block;font-size:20px;font-weight:800;line-height:1.4}

.about-info{display:flex;flex-direction:column;justify-content:center;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 30px;
  box-shadow:0 4px 16px rgba(15,36,61,.04)}
.lead-name{font-size:22px;font-weight:800;color:var(--steel-d);letter-spacing:.5px}
.about-info .intro{font-size:15px;line-height:1.9;color:var(--muted)}
.about-info .intro strong{color:var(--steel-d);font-weight:700}
.about-info .intro.sub{color:var(--ink-2);font-weight:500}
.info-list{margin-top:6px;border-top:1px solid var(--line);padding-top:6px}
.info-item{display:grid;grid-template-columns:88px 1fr;gap:12px;padding:12px 0;
  border-bottom:1px solid var(--line)}
.info-item:last-child{border-bottom:0}
.info-item .k{font-size:13px;font-weight:700;color:var(--copper);padding-top:2px}
.info-item .v{font-size:14.5px;color:var(--ink);line-height:1.65}

.about-points{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ap{display:flex;gap:12px;align-items:flex-start;padding:18px 16px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-s);
  transition:transform .3s,box-shadow .3s,border-color .3s}
.ap:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(184,149,106,.45)}
.ap-ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex:none;
  color:var(--copper);background:rgba(184,149,106,.12)}
.ap-ic svg{width:20px;height:20px}
.ap h4{font-size:15px;font-weight:800;color:var(--steel-d);margin-bottom:4px}
.ap p{font-size:12.5px;line-height:1.55;color:var(--muted)}

/* ---- 网格线底 ---- */
.grid-bg{
  background-color:#fff;
  background-image:
    linear-gradient(rgba(21,32,51,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21,32,51,.07) 1px, transparent 1px);
  background-size:48px 48px;
}

/* ---- 企业文化 ---- */
.culture{color:var(--ink)}
.core-banner{margin-bottom:28px;padding:28px 0;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line)}
.core-banner .lab{font-size:12px;letter-spacing:3px;color:var(--copper)}
.core-banner .big{font-size:clamp(26px,3.4vw,42px);font-weight:800;margin-top:10px;letter-spacing:4px;color:var(--steel-d)}
.core-banner .big em{color:var(--copper);font-style:normal}
.culture-hover{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;min-height:auto}
.culture-item{padding:26px 22px;cursor:pointer;background:rgba(255,255,255,.86);
  border:1px solid var(--line);border-radius:var(--radius);
  transition:background .35s,transform .35s,border-color .35s,box-shadow .35s;
  display:flex;flex-direction:column;justify-content:flex-start;position:relative;overflow:hidden;min-height:180px}
.culture-item h3{font-size:19px;font-weight:800;margin-bottom:10px;position:relative;color:var(--steel-d)}
.culture-item p{font-size:13.5px;line-height:1.75;color:var(--muted);
  transition:color .35s}
.culture-item:hover,.culture-item.active{background:#fff;
  border-color:rgba(184,149,106,.5);transform:translateY(-4px);box-shadow:var(--shadow)}
.culture-item:hover p,.culture-item.active p{color:var(--ink-2)}

/* ---- 组织架构 ---- */
.org{background:var(--white)}
.org .tree{display:flex;flex-direction:column;align-items:center}
.org .ceo{background:var(--steel-d);color:#fff;padding:16px 36px;min-width:180px;text-align:center;
  border-radius:var(--radius-s);transition:transform .3s var(--ease),box-shadow .3s}
.org .ceo:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.org .ceo .t{font-size:18px;font-weight:800}
.org .vline{width:1px;height:28px;background:var(--line)}
.org .row{display:flex;gap:28px;justify-content:center;align-items:flex-start}
.org .vgap{display:flex;flex-direction:column;align-items:center}
.org .vp{background:#fff;border:1px solid var(--line);padding:14px 16px;text-align:center;min-width:160px;
  border-radius:var(--radius-s);transition:border-color .3s,transform .3s var(--ease),box-shadow .3s}
.org .vp:hover{border-color:var(--copper);transform:translateY(-3px);box-shadow:var(--shadow)}
.org .vp .t{font-size:15px;font-weight:800;color:var(--steel-d)}
.org .vp .s{font-size:11px;color:var(--copper);margin-top:4px}
.org .depts{display:flex;gap:10px;margin-top:12px}
.org .dept{background:var(--bg);border:1px solid var(--line);border-top:3px solid var(--steel);
  padding:10px 12px;min-width:86px;text-align:center;border-radius:10px;
  transition:transform .25s,border-color .25s}
.org .dept:hover{transform:translateY(-2px);border-color:var(--copper)}
.org .dept .t{font-size:13px;font-weight:700}
.loop{margin-top:36px;padding:18px 24px;border:1px solid rgba(184,149,106,.4);border-radius:var(--radius);
  background:rgba(184,149,106,.08);display:flex;gap:20px;align-items:center;justify-content:center;flex-wrap:wrap}
.loop .lt{font-size:13px;font-weight:800;color:var(--copper);letter-spacing:2px}
.loop .lc{font-size:14px;color:var(--ink)}

/* ---- 业务板块 图片卡片 ---- */
.business{background:var(--bg)}
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.biz-card{position:relative;border-radius:var(--radius);overflow:hidden;height:260px;
  box-shadow:0 8px 24px rgba(15,36,61,.08);cursor:pointer}
.biz-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.biz-card:hover img{transform:scale(1.06)}
.biz-card .grad{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,36,61,.08) 20%,rgba(15,36,61,.88) 100%)}
.biz-card .num-b{position:absolute;left:20px;top:18px;z-index:2;font-size:28px;font-weight:800;
  color:var(--copper-l);letter-spacing:1px}
.biz-card .bt{position:absolute;left:20px;right:20px;bottom:20px;z-index:2;color:#fff}
.biz-card .bt .t{font-size:19px;font-weight:800;margin-bottom:6px}
.biz-card .bt p{font-size:13px;line-height:1.55;color:rgba(255,255,255,.78);
  opacity:0;max-height:0;overflow:hidden;transition:opacity .35s,max-height .35s}
.biz-card:hover .bt p{opacity:1;max-height:60px}
.business .foot-note{text-align:center;color:var(--muted);font-size:13px;margin-top:28px;letter-spacing:1px}

/* ---- 工程业绩 ---- */
.projects{color:var(--ink);position:relative;overflow:hidden}
.projects .pbg{display:none}
.projects .intro{color:var(--muted);font-size:15px;line-height:1.9;max-width:720px;margin:-8px 0 40px}
.hero-stats{display:flex;gap:16px;margin-bottom:32px;flex-wrap:wrap}
.hstat{flex:1;min-width:180px;text-align:center;padding:28px 12px;border:1px solid var(--line);
  background:rgba(255,255,255,.9);border-radius:var(--radius);
  transition:transform .3s,border-color .3s,box-shadow .3s}
.hstat:hover{transform:translateY(-4px);border-color:rgba(184,149,106,.55);box-shadow:var(--shadow)}
.hstat .v{font-size:52px;font-weight:800;line-height:1;color:var(--steel-d)}
.hstat .v .u{font-size:20px;color:var(--copper);margin-left:2px}
.hstat .t{margin-top:10px;font-size:14px;color:var(--muted)}
.highlights{display:flex;gap:14px;margin-bottom:40px;flex-wrap:wrap}
.hl{flex:1;min-width:220px;display:flex;gap:14px;align-items:center;padding:18px 20px;
  border:1px solid rgba(184,149,106,.35);background:rgba(255,255,255,.92);border-radius:var(--radius-s);
  transition:transform .3s,background .3s,box-shadow .3s}
.hl:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.hl .v{font-size:30px;font-weight:800;color:var(--copper);line-height:1;white-space:nowrap}
.hl .v small{font-size:13px}
.hl .d{font-size:13px;line-height:1.55;color:var(--ink-2)}

.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.tab{background:rgba(255,255,255,.9);border:1px solid var(--line);color:var(--muted);
  padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer;border-radius:999px;
  transition:color .25s,border-color .25s,background .25s}
.tab:hover,.tab.active{color:var(--steel-d);background:var(--copper-l);border-color:var(--copper-l)}
.proj-panel{display:none}
.proj-panel.active{display:block;animation:fadeUp .45s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.proj{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;
  border:1px solid var(--line);background:rgba(255,255,255,.92);border-radius:var(--radius-s);
  transition:background .25s,transform .25s,border-color .25s,box-shadow .25s}
.proj:hover{background:#fff;transform:translateX(4px);border-color:rgba(184,149,106,.45);box-shadow:var(--shadow)}
.proj .idx{font-size:13px;font-weight:800;color:var(--copper);min-width:28px}
.proj .pd .t{font-size:15px;font-weight:700;line-height:1.4;color:var(--steel-d)}
.proj .pd .m{font-size:12px;color:var(--muted);margin-top:3px}

/* ---- 海外港口工程 ---- */
.showcase{background:#fff}
.showcase-intro{max-width:780px;font-size:15.5px;line-height:1.9;color:var(--muted);margin:-12px 0 36px}
.showcase-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  cursor:pointer;box-shadow:0 4px 16px rgba(15,36,61,.04);
  transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.sc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(184,149,106,.4)}
.sc-card img{width:100%;height:160px;object-fit:cover;transition:transform .5s var(--ease)}
.sc-card:hover img{transform:scale(1.05)}
.sc-body{padding:16px 18px 20px}
.sc-tag{display:inline-block;font-size:11.5px;color:var(--copper);font-weight:700;
  background:rgba(184,149,106,.12);padding:4px 10px;border-radius:999px;margin-bottom:10px}
.sc-card h3{font-size:16px;font-weight:800;color:var(--steel-d);margin-bottom:8px;line-height:1.4}
.sc-card p{font-size:12.5px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---- 灯箱 ---- */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(8,18,32,.88);display:flex;
  align-items:center;justify-content:center;padding:40px;opacity:0;visibility:hidden;
  transition:opacity .3s,visibility .3s}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:min(1100px,92vw);max-height:84vh;border-radius:14px;
  box-shadow:0 20px 60px rgba(0,0,0,.4);object-fit:contain}
.lb-close{position:absolute;top:18px;right:22px;width:42px;height:42px;border:0;border-radius:50%;
  background:rgba(255,255,255,.15);color:#fff;font-size:26px;cursor:pointer;line-height:1}
.lb-close:hover{background:rgba(255,255,255,.28)}

/* ---- 未来展望 ---- */
.future-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.future-left{display:flex;flex-direction:column;justify-content:center;gap:14px;min-height:100%}
.fcard{display:flex;gap:16px;align-items:center;padding:24px 26px;border:1px solid var(--line);
  background:#fff;border-radius:var(--radius);cursor:pointer;flex:0 0 auto;
  transition:border-color .3s,background .3s,box-shadow .3s}
.fcard:hover,.fcard.active{border-color:var(--copper);background:#fff;box-shadow:var(--shadow)}
.fcard .n{font-size:28px;font-weight:800;color:var(--line);transition:color .3s;line-height:1}
.fcard.active .n,.fcard:hover .n{color:var(--copper)}
.fcard h3{font-size:18px;font-weight:800;color:var(--steel-d)}
.fcard p{font-size:13.5px;color:var(--muted);line-height:1.75;margin-top:6px}
.future-right{border:1px solid var(--line);overflow:hidden;background:#fff;display:flex;
  flex-direction:column;border-radius:var(--radius);min-height:100%;height:100%}
.future-visual{height:200px;flex:none;background-size:cover;background-position:center;position:relative;
  transition:background-image .4s}
.future-visual::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent,rgba(15,36,61,.45))}
.future-visual.flash{animation:flashBg .45s var(--ease)}
@keyframes flashBg{0%{opacity:.6}100%{opacity:1}}
.future-panel{padding:24px 26px 26px;flex:1;display:flex;flex-direction:column}
.fp-lab{font-size:12px;letter-spacing:2px;color:var(--copper);font-weight:700;margin-bottom:16px}
.roadmap{list-style:none;display:flex;flex-direction:column;gap:12px;flex:1}
.roadmap li{display:flex;gap:12px;padding:12px 14px;border:1px solid transparent;cursor:pointer;
  border-radius:10px;transition:background .25s,border-color .25s;flex:1;align-items:flex-start}
.roadmap li:hover,.roadmap li.active{background:var(--bg);border-color:var(--line)}
.roadmap .yr{flex:none;min-width:44px;height:26px;display:grid;place-items:center;
  font-size:12px;font-weight:700;background:rgba(184,149,106,.12);color:var(--copper);border-radius:8px}
.roadmap strong{display:block;font-size:14px;color:var(--steel-d);margin-bottom:2px}
.roadmap p{font-size:12.5px;color:var(--muted);line-height:1.6}
.future-kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:auto;padding-top:18px;
  border-top:1px solid var(--line)}
.future-kpi div{text-align:center}
.future-kpi b{display:block;font-size:20px;font-weight:800;color:var(--steel-d)}
.future-kpi span{font-size:11px;color:var(--muted);margin-top:3px;display:block}

/* ---- 人才招聘 ---- */
.careers{background:var(--bg)}
.careers-lead{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  margin-bottom:28px;padding:28px 30px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:0 4px 16px rgba(15,36,61,.04)}
.careers-lead h3{font-size:22px;font-weight:800;color:var(--steel-d);margin-bottom:10px}
.careers-lead p{font-size:15px;line-height:1.85;color:var(--muted);max-width:640px}
.careers-benefits{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.careers-benefits span{padding:8px 14px;border-radius:999px;background:rgba(184,149,106,.12);
  color:var(--copper);font-size:13px;font-weight:700;white-space:nowrap}

.job-list{display:flex;flex-direction:column;gap:12px}
.job-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:border-color .3s,box-shadow .3s}
.job-card.open,.job-card:hover{border-color:rgba(184,149,106,.45);box-shadow:var(--shadow)}
.job-hd{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left}
.job-title h3{font-size:18px;font-weight:800;color:var(--steel-d);margin-bottom:8px}
.job-meta{display:flex;flex-wrap:wrap;gap:10px}
.job-meta span{font-size:12.5px;color:var(--muted);background:var(--bg);padding:4px 10px;border-radius:999px}
.job-toggle{flex:none;font-size:13px;font-weight:700;color:var(--copper);
  padding:8px 14px;border:1px solid rgba(184,149,106,.35);border-radius:999px}
.job-card.open .job-toggle{background:var(--copper);color:#fff;border-color:var(--copper)}
.job-bd{max-height:0;overflow:hidden;opacity:0;transition:max-height .4s var(--ease),opacity .3s,padding .3s}
.job-card.open .job-bd{max-height:3600px;opacity:1;padding:0 24px 22px}
.job-note{margin-top:14px;font-size:12.5px;line-height:1.75;color:var(--muted);padding:10px 12px;background:var(--bg);border-radius:8px;border-left:3px solid var(--copper)}
.job-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding-top:4px;
  border-top:1px solid var(--line)}
.job-cols h4{font-size:14px;font-weight:800;color:var(--steel-d);margin:14px 0 10px}
.job-cols ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.job-cols li{position:relative;padding-left:14px;font-size:13.5px;line-height:1.65;color:var(--muted)}
.job-cols li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;
  border-radius:50%;background:var(--copper)}
.job-apply{display:inline-flex;margin-top:16px;padding:10px 18px;border-radius:999px;
  background:var(--steel-d);color:#fff;font-size:13px;font-weight:700;transition:background .25s}
.job-apply:hover{background:var(--steel)}
.careers-contact{margin-top:24px;padding:22px 26px;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--steel-d),var(--steel));color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.careers-contact strong{display:block;font-size:17px;margin-bottom:6px}
.careers-contact p{font-size:14px;color:rgba(255,255,255,.75);line-height:1.7}
.careers-contact a{color:var(--copper-l)}
.careers-contact .btn-primary{background:var(--copper);color:#fff}

/* ---- 页脚 ---- */
.footer{background:#0B1A2B;color:rgba(255,255,255,.68);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr .85fr 1.1fr;gap:32px;margin-bottom:40px}
.footer .brand-row{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer .brand-row img{border-radius:10px}
.footer .fbrand .bn{color:#fff;font-size:17px;font-weight:800}
.footer .fbrand p{font-size:13.5px;line-height:1.85;max-width:320px}
.footer h4{color:var(--copper-l);font-size:13px;letter-spacing:2px;margin-bottom:16px}
.footer .fcol a,.footer .fcol p{display:block;font-size:13.5px;margin-bottom:10px;color:rgba(255,255,255,.68);
  transition:color .25s}
.footer .fcol a:hover{color:var(--copper-l)}
.qr-row{display:flex;gap:14px}
.qr-item{text-align:center}
.qr-item img{width:92px;height:92px;background:#fff;padding:5px;border:1px solid rgba(255,255,255,.1);
  border-radius:12px}
.qr-item span{display:block;font-size:12px;margin-top:8px;color:rgba(255,255,255,.55)}
.footer .bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;
  justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12px;color:rgba(255,255,255,.4)}

/* ---- 悬浮联系：桌面 hover 展开 ---- */
.float-contact{position:fixed;right:16px;bottom:24px;z-index:120;display:flex;
  flex-direction:column;align-items:flex-end;gap:0}
.fc-toggle{display:flex;align-items:center;gap:8px;background:var(--steel-d);color:#fff;border:0;
  padding:12px 18px;cursor:pointer;border-radius:999px;
  box-shadow:0 10px 28px rgba(15,36,61,.3);transition:background .25s}
.fc-toggle:hover{background:var(--steel)}
.fc-icon{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--copper);color:#fff}
.fc-icon svg{width:14px;height:14px}
.fc-label{font-size:13px;font-weight:700}
.fc-panel{width:260px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
  border-radius:var(--radius);margin-bottom:8px;overflow:hidden;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .28s,transform .28s,visibility .28s;pointer-events:none}
.float-contact.open .fc-panel,
.float-contact:hover .fc-panel{opacity:1;visibility:visible;transform:none;pointer-events:auto}
.fc-head{padding:12px 14px;background:var(--steel-d);color:#fff;font-size:14px}
.fc-list{list-style:none;padding:12px 14px 4px}
.fc-list li{display:flex;gap:10px;margin-bottom:10px;font-size:12.5px;line-height:1.5}
.fc-list .k{width:32px;flex:none;color:var(--copper);font-weight:700}
.fc-list a{color:var(--steel-d);font-weight:600}
.fc-qr{display:flex;flex-direction:column;align-items:center;gap:6px;padding:4px 14px 14px}
.fc-qr img{width:100px;height:100px;border:1px solid var(--line);padding:4px;border-radius:12px}
.fc-qr span{font-size:11px;color:var(--muted)}

/* ---- 滚动动效 ---- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}

/* ---- 响应式 ---- */
@media(max-width:1100px){
  .showcase-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:1024px){
  .about-main,.future-layout,.job-cols,.entry-grid{grid-template-columns:1fr}
  .about-points{grid-template-columns:repeat(2,1fr)}
  .about-visual{min-height:280px}
  .culture-hover{grid-template-columns:repeat(2,1fr)}
  .biz-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .careers-lead{flex-direction:column;align-items:flex-start}
  .careers-benefits{justify-content:flex-start}
  .home-entries{margin-top:0;padding-top:48px}
}
@media(max-width:760px){
  .nav{z-index:140}
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:72%;max-width:300px;
    background:rgba(11,26,43,.98);flex-direction:column;align-items:flex-start;justify-content:center;
    gap:22px;padding:88px 32px 120px;transform:translateX(100%);transition:transform .35s;z-index:150;
    overflow-y:auto;-webkit-overflow-scrolling:touch;pointer-events:none}
  .nav-links.open{transform:none;pointer-events:auto}
  .nav-links a{position:relative;z-index:1;display:block;width:100%;padding:10px 0}
  .nav-cta{display:none}
  .lang-switch{order:2;margin-left:auto;margin-right:8px;z-index:151}
  .hamburger{display:flex;position:relative;z-index:151;order:3}
  .nav .brand{order:1}
  .nav .wrap{flex-wrap:nowrap}
  body.menu-open .float-contact{opacity:0;visibility:hidden;pointer-events:none}
  .hero{padding-bottom:40px}
  .sec{padding:68px 0}
  .culture-hover,.biz-grid,.showcase-grid{grid-template-columns:1fr}
  .culture-item{min-height:auto}
  .about-points{grid-template-columns:1fr}
  .about-info{padding:24px 20px}
  .info-item{grid-template-columns:1fr;gap:4px}
  .biz-card{height:220px}
  .biz-card .bt p{opacity:1;max-height:60px}
  .nav-links a{font-size:16px}
  .org .row{flex-direction:column;align-items:center;gap:16px}
  .proj-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .wrap{padding:0 18px}
  .fc-label{display:none}
  .fc-toggle{padding:12px;border-radius:50%}
  .float-contact:hover .fc-panel{opacity:0;visibility:hidden;pointer-events:none}
  .float-contact.open .fc-panel{opacity:1;visibility:visible;pointer-events:auto}
  .future-kpi{grid-template-columns:1fr}
}

.sec-more{margin-top:36px;text-align:center}
.sec-more .btn-primary{display:inline-flex}