:root{
  --red:#dc0617; --red-dk:#a8050f; --red-lt:#fdecee;
  --ink:#14181f; --ink-2:#3d4552; --ink-3:#6b7480;
  --line:#e4e7ec; --bg:#ffffff; --bg-2:#f6f7f9; --bg-3:#eef1f5;
  --radius:14px; --maxw:1180px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{line-height:1.28;font-weight:700;letter-spacing:-.01em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.en{display:none}
html[data-lang="en"] .en{display:inline}
html[data-lang="en"] .zh{display:none}
.en-blk{display:none}
html[data-lang="en"] .en-blk{display:block}
html[data-lang="en"] .zh-blk{display:none}

/* ── header ── */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;gap:18px;height:68px}
.hd-logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.hd-logo img{height:34px;width:auto}
.hd-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.hd-nav a{padding:8px 12px;border-radius:9px;font-size:14.5px;color:var(--ink-2);font-weight:500;white-space:nowrap;transition:.16s}
.hd-nav a:hover{background:var(--bg-2);color:var(--ink)}
.hd-nav a.on{color:var(--red);background:var(--red-lt);font-weight:600}
.hd-act{display:flex;align-items:center;gap:10px;margin-left:6px}
.lang{border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600;color:var(--ink-2);cursor:pointer;transition:.16s;font-family:var(--font)}
.lang:hover{border-color:var(--red);color:var(--red)}
.btn{display:inline-flex;align-items:center;gap:7px;background:var(--red);color:#fff!important;padding:10px 18px;border-radius:10px;font-size:14.5px;font-weight:600;transition:.16s;border:1px solid var(--red)}
.btn:hover{background:var(--red-dk);border-color:var(--red-dk);transform:translateY(-1px)}
.btn.ghost{background:#fff;color:var(--ink)!important;border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--red);color:var(--red)!important;background:#fff}
.burger{display:none;flex-direction:column;gap:5px;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#fff;cursor:pointer}
.burger i{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.msheet{display:none;border-top:1px solid var(--line);background:#fff}
.msheet.open{display:block}
.msheet a{display:block;padding:12px 22px;border-bottom:1px solid var(--bg-3);font-size:15px;font-weight:500}
.msheet a.on{color:var(--red);font-weight:600}

/* ── hero ── */
.hero{padding:64px 0 54px;background:
  radial-gradient(900px 420px at 82% -8%, #fdeef0 0%, rgba(253,238,240,0) 68%),
  linear-gradient(180deg,#fff 0%,#fbfbfc 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--red);background:var(--red-lt);padding:6px 13px;border-radius:999px;margin-bottom:20px;letter-spacing:.01em}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--red)}
h1.big{font-size:clamp(30px,4.1vw,50px);letter-spacing:-.025em;margin-bottom:18px}
h1.big em{font-style:normal;color:var(--red)}
.hero p.lede{font-size:17px;color:var(--ink-2);max-width:620px}
.hero-act{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-art{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:0 22px 60px -34px rgba(20,24,31,.32)}
.hero-art img{border-radius:12px}

/* ── stats ── */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:6px}
.stats div{background:#fff;padding:22px 20px}
.stats b{display:block;font-size:29px;color:var(--red);letter-spacing:-.02em;line-height:1.1}
.stats span{font-size:13.5px;color:var(--ink-3);display:block;margin-top:5px}

/* ── sections ── */
section.blk{padding:68px 0}
section.blk.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.s-head{max-width:760px;margin-bottom:36px}
.s-head h2{font-size:clamp(23px,2.6vw,32px);letter-spacing:-.02em;margin-bottom:12px}
.s-head p{color:var(--ink-2);font-size:16px}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--red);margin-bottom:10px;display:block}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}
.card:hover{border-color:#d3d7de;box-shadow:0 16px 40px -30px rgba(20,24,31,.34)}
.card h3{font-size:17.5px;margin-bottom:9px}
.card p{color:var(--ink-2);font-size:15px}
.card .tagline{font-size:12.5px;font-weight:600;color:var(--red);margin-bottom:11px;display:block}
.num{font-size:12.5px;font-weight:700;color:var(--red);letter-spacing:.08em;display:block;margin-bottom:10px}
figure{margin:0}
figure img{border:1px solid var(--line);border-radius:12px;background:#fff;width:100%}
figcaption{font-size:13px;color:var(--ink-3);margin-top:9px;line-height:1.55}
.pain{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.pain-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.pain-card .ph{padding:26px 26px 18px}
.pain-card .pb{padding:0 26px 26px}
.pain-card img{border:0;border-radius:0;border-top:1px solid var(--line);background:#fff;padding:12px}
.dir{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.dir img{height:180px;object-fit:cover;border:0;border-radius:0}
.dir .db{padding:22px}
.dir h3{font-size:17px;margin-bottom:3px}
.dir .sub{color:var(--red);font-size:13.5px;font-weight:600;margin-bottom:14px;display:block}
.dir ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.dir li{font-size:14.5px;color:var(--ink-2);padding-left:20px;position:relative}
.dir li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--red-lt);border:2px solid var(--red)}
.band{background:linear-gradient(115deg,#14181f 0%,#241318 52%,#3d0a12 100%);color:#fff;border-radius:20px;padding:46px 44px;display:flex;align-items:center;gap:40px;justify-content:space-between;flex-wrap:wrap}
.band h2{font-size:clamp(21px,2.4vw,29px);margin-bottom:10px;color:#fff}
.band p{color:rgba(255,255,255,.76);max-width:640px}
.band .acts{display:flex;gap:12px;flex-wrap:wrap}
.band .btn{background:#fff;color:var(--ink)!important;border-color:#fff}
.band .btn:hover{background:#f1f2f4}
.band .btn.ghost{background:transparent;color:#fff!important;border-color:rgba(255,255,255,.4)}
.band .btn.ghost:hover{border-color:#fff}

/* ── page head ── */
.phead{padding:52px 0 42px;background:linear-gradient(180deg,#fff,#fbfbfc);border-bottom:1px solid var(--line)}
.crumb{font-size:13.5px;color:var(--ink-3);margin-bottom:16px}
.crumb a:hover{color:var(--red)}
.phead h1{font-size:clamp(27px,3.3vw,40px);letter-spacing:-.022em;margin-bottom:14px}
.phead p.lede{color:var(--ink-2);font-size:16.5px;max-width:820px}

/* ── table ── */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{border-collapse:collapse;width:100%;font-size:14px;min-width:820px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--bg-2);font-size:13px;font-weight:600;color:var(--ink-2);white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fcfcfd}
td.hi{color:var(--red);font-weight:600}
th.hi{color:var(--red);background:var(--red-lt)}
td:first-child{color:var(--ink);font-weight:500}
.y{color:#0a7d3f;font-weight:700}
.n{color:#a8aeb7}
.note{font-size:13.5px;color:var(--ink-3);margin-top:12px;line-height:1.65}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px;font-size:14px;font-weight:500}

/* ── pipeline ── */
.pl{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:26px}
.pl-hd{padding:28px 30px 22px;border-bottom:1px solid var(--line);display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap}
.pl-code{background:var(--red);color:#fff;font-weight:700;font-size:15px;padding:7px 15px;border-radius:10px;letter-spacing:.02em;flex:0 0 auto}
.pl-hd h3{font-size:20px;margin-bottom:6px}
.pl-hd .stg{font-size:12.5px;font-weight:600;color:var(--ink-3);letter-spacing:.04em;text-transform:uppercase}
.pl-body{padding:26px 30px;display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}
.pl-lead{color:var(--ink-2);margin-bottom:18px}
.pl ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.pl li{font-size:15px;color:var(--ink-2);padding-left:24px;position:relative}
.pl li::before{content:"";position:absolute;left:0;top:8px;width:11px;height:11px;border-radius:3px;background:var(--red-lt);border:2px solid var(--red)}
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin-top:24px}
.metric{background:var(--bg-2);border:1px solid var(--line);border-radius:11px;padding:15px}
.metric b{display:block;font-size:21px;color:var(--red);letter-spacing:-.02em}
.metric span{font-size:12.8px;color:var(--ink-3);display:block;margin-top:4px;line-height:1.5}
.ind{display:inline-block;background:var(--red-lt);color:var(--red);font-size:13px;font-weight:600;padding:6px 13px;border-radius:8px;margin-top:16px}
.expand{margin-top:16px;font-size:14.5px;color:var(--ink-3);border-left:3px solid var(--line);padding-left:14px}

/* ── steps ── */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 15px;font-size:14px;font-weight:600;position:relative;padding-top:34px}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;top:12px;left:15px;font-size:11.5px;font-weight:700;color:var(--red);letter-spacing:.06em}
.flow{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.flow .fi{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 17px;font-size:14px;font-weight:500}
.flow .ar{color:var(--red);font-weight:700}

/* ── contact ── */
.ct-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:start}
.ct-list{display:flex;flex-direction:column;gap:2px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--line)}
.ct-row{background:#fff;padding:17px 21px}
.ct-row span{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:3px}
.ct-row b{font-size:15.5px;font-weight:600;word-break:break-all}
.ct-row a b{color:var(--red)}
form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.fld{margin-bottom:16px}
.fld label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:var(--ink-2)}
.fld input,.fld textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:15px;font-family:var(--font);color:var(--ink);background:#fff;transition:.16s}
.fld input:focus,.fld textarea:focus{outline:0;border-color:var(--red);box-shadow:0 0 0 3px var(--red-lt)}
.fld textarea{min-height:112px;resize:vertical}
.req{color:var(--red)}
.f-ok{display:none;background:#eafaf0;border:1px solid #b7e6c9;color:#0a7d3f;border-radius:10px;padding:13px 16px;font-size:14.5px;margin-top:14px}
.f-ok.show{display:block}

/* ── footer ── */
footer{background:#14181f;color:rgba(255,255,255,.72);padding:52px 0 26px;margin-top:0}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.ft-brand img{height:44px;margin-bottom:16px;filter:brightness(0) invert(1);opacity:.94}
.ft-brand p{font-size:14px;line-height:1.7;max-width:330px}
.ft-col h4{color:#fff;font-size:14px;margin-bottom:14px;font-weight:600}
.ft-col a{display:block;font-size:14px;padding:5px 0;color:rgba(255,255,255,.68)}
.ft-col a:hover{color:#fff}
.ft-bot{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:20px;font-size:12.8px;color:rgba(255,255,255,.5);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;line-height:1.7}

@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid3,.grid4,.pain,.pl-body,.ct-grid,.grid2{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(3,1fr)}
  .ft-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media(max-width:760px){
  .hd-nav{display:none}
  .hd-act .btn{display:none}
  .burger{display:flex;margin-left:auto}
  .hd-act{margin-left:0}
  section.blk{padding:48px 0}
  .band{padding:34px 26px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .ft-grid{grid-template-columns:1fr}
}

/* ── 参股公司下拉（站点群共用组件 sites-shared/group_nav.py）── */
.gn{position:relative;display:inline-block}
.gn-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:9px;
  font-size:14.5px;font-weight:500;color:inherit;background:none;border:0;cursor:pointer;
  font-family:inherit;white-space:nowrap;transition:.16s;line-height:1.4}
.gn-btn:hover{background:var(--gn-hover-bg,rgba(0,0,0,.05))}
.gn-btn.on{color:var(--gn-accent,#1565b0);font-weight:600;background:var(--gn-accent-bg,rgba(21,101,176,.09))}
.gn-caret{width:9px;height:9px;border-right:1.8px solid currentColor;border-bottom:1.8px solid currentColor;
  transform:rotate(45deg) translateY(-2px);opacity:.6;transition:transform .18s}
.gn.open .gn-caret{transform:rotate(-135deg) translateY(-2px)}
.gn-panel{position:absolute;top:calc(100% + 8px);right:0;z-index:200;width:326px;background:#fff;
  border:1px solid var(--gn-line,#e4e7ec);border-radius:14px;box-shadow:0 18px 48px -14px rgba(10,30,55,.26);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s}
.gn.open .gn-panel{opacity:1;visibility:visible;transform:translateY(0)}
.gn-panel::before{content:"";position:absolute;top:-9px;left:0;right:0;height:9px}
.gn-hd{padding:8px 12px 10px;font-size:11.5px;font-weight:700;letter-spacing:.12em;
  color:var(--gn-ink3,#8a93a0);border-bottom:1px solid var(--gn-line,#e4e7ec);margin-bottom:6px}
.gn-item{display:flex;gap:11px;align-items:flex-start;padding:10px 12px;border-radius:10px;transition:.14s;text-decoration:none;color:inherit}
.gn-item:hover{background:var(--gn-hover-bg,rgba(0,0,0,.04))}
.gn-item.cur{background:var(--gn-accent-bg,rgba(21,101,176,.07))}
.gn-dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;margin-top:8px;
  background:var(--gn-accent,#1565b0)}
.gn-item.off .gn-dot{background:var(--gn-line,#d5dae1)}
.gn-tx{min-width:0;flex:1}
.gn-nm{font-size:14.5px;font-weight:600;line-height:1.35;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.gn-item.off .gn-nm{color:var(--gn-ink3,#9aa3af);font-weight:500}
.gn-loc{font-size:11px;font-weight:600;color:var(--gn-accent,#1565b0);background:var(--gn-accent-bg,rgba(21,101,176,.09));
  border-radius:5px;padding:1px 6px;letter-spacing:.02em}
.gn-item.off .gn-loc{color:var(--gn-ink3,#9aa3af);background:var(--gn-line-soft,#f1f3f6)}
.gn-sub{font-size:12.5px;color:var(--gn-ink3,#8a93a0);margin-top:2px;line-height:1.45}
.gn-soon{font-size:11px;color:#b0b7c0;font-weight:600;letter-spacing:.04em}
.gn-ft{margin-top:6px;padding:9px 12px 4px;border-top:1px solid var(--gn-line,#e4e7ec);
  font-size:12px;color:var(--gn-ink3,#8a93a0)}
.gn-ft a{color:var(--gn-accent,#1565b0);font-weight:600}
html[data-lang="en"] .gn-zh{display:none}
html:not([data-lang="en"]) .gn-en{display:none}

/* 移动端：下拉在汉堡面板里，全宽展开 */
.msheet .gn{display:block;width:100%}
.msheet .gn-btn{width:100%;justify-content:space-between;padding:12px 22px;border-radius:0;font-size:15px}
.msheet .gn-panel{position:static;width:100%;box-shadow:none;border:0;border-radius:0;
  background:var(--gn-sheet-bg,#f7f8fa);padding:4px 0 8px;
  opacity:1;visibility:visible;transform:none;display:none;margin:0}
.msheet .gn.open .gn-panel{display:block}
.msheet .gn-hd{padding:6px 34px}
.msheet .gn-item{padding:9px 34px}
.msheet .gn-ft{margin:4px 34px 0}
@media(max-width:900px){.gn-panel{width:300px}}
/* 单页站（无专用移动面板）在窄屏下：面板收窄居中，避免溢出屏幕 */
@media(max-width:560px){
  .gn-panel{position:fixed;top:60px;left:50%;right:auto;transform:translate(-50%,-6px);width:min(92vw,330px)}
  .gn.open .gn-panel{transform:translate(-50%,0)}
}