:root{
  --ink:#0A1F33; --navy:#0B2C55; --blue:#1668C1; --teal:#00B3A4;
  --line:#E2EAF2; --bg:#F6F9FC; --muted:#5B7186; --white:#fff;
  --grad:linear-gradient(135deg,#0B2C55 0%,#1668C1 58%,#00B3A4 100%);
  --shadow:0 10px 30px rgba(11,44,85,.08);
  --radius:14px; --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;color:var(--ink);background:var(--white);display:flex;flex-direction:column;min-height:100vh;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--teal)}
img{max-width:100%}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .5em;font-weight:700;letter-spacing:.2px}
h1{font-size:2.5rem}h2{font-size:1.9rem}h3{font-size:1.18rem}h4{font-size:1rem}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{width:42px;height:42px;border-radius:11px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.98rem;letter-spacing:.5px}
.logo-txt strong{display:block;font-size:1.06rem;line-height:1.2}
.logo-txt em{display:block;font-style:normal;font-size:.6rem;letter-spacing:1.3px;color:var(--muted);text-transform:uppercase}
.nav{display:flex;gap:6px}
.nav a{padding:9px 14px;border-radius:9px;color:var(--ink);font-size:.94rem;font-weight:500}
.nav a:hover{background:var(--bg);color:var(--blue)}
.nav a.active{background:var(--navy);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:9px;
  font-size:1.2rem;padding:6px 11px;cursor:pointer;color:var(--navy)}

/* hero */
.eyebrow{display:inline-block;padding:5px 14px;border:1px solid rgba(255,255,255,.45);
  border-radius:99px;font-size:.83rem;letter-spacing:.6px;margin-bottom:20px;color:#EAF6FF}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-block;padding:13px 28px;border-radius:10px;font-weight:600;font-size:.96rem;
  border:1px solid transparent;cursor:pointer;transition:.2s}
.btn-p{background:#fff;color:var(--navy)}
.btn-p:hover{background:#EAF6FF;color:var(--navy)}
.btn-o{border-color:rgba(255,255,255,.55);color:#fff}
.btn-o:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--blue);color:#fff}

/* stats */
.stats{background:#06203C;color:#fff;padding:0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.13)}
.stat{background:#06203C;padding:30px 22px;text-align:center}
.stat b{display:block;font-size:1.95rem;color:#7FE3D6;letter-spacing:.5px}
.stat span{font-size:.9rem;color:#B9CEE4}

/* sections */
section{padding:76px 0}
.sec-alt{background:var(--bg)}
.sec-head{max-width:820px;margin-bottom:44px}
.sec-tag{color:var(--teal);font-weight:700;font-size:.84rem;letter-spacing:2px;text-transform:uppercase;display:block;margin-bottom:10px}
.sec-head h2{margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:1.02rem;margin:0}

.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow);transition:.22s}
.card:hover{transform:translateY(-4px);border-color:#C9DDF0}
.card .ico{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#E8F2FB,#DFF6F3);
  color:var(--navy);display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:16px}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:.94rem;margin:0}
.card ul{margin:10px 0 0;padding-left:18px;color:var(--muted);font-size:.92rem}
.card ul li{margin-bottom:5px}
.card .role{color:var(--teal);font-size:.85rem;font-weight:600;margin:0 0 10px}
.tick{list-style:none;padding:0}
.tick li{position:relative;padding-left:24px;margin-bottom:8px;color:var(--muted);font-size:.94rem}
.tick li:before{content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;border-radius:50%;
  background:var(--teal);box-shadow:0 0 0 4px rgba(0,179,164,.15)}

.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.panel h3{margin-bottom:14px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:9px 16px;font-size:.93rem}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:600;color:var(--ink)}

/* table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:680px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#EFF6FC;color:var(--navy);font-weight:700;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#F8FBFE}
.tag{display:inline-block;padding:2px 10px;border-radius:99px;font-size:.78rem;font-weight:600;white-space:nowrap}
.t-pre{background:#FFF3E0;color:#B26A00}
.t-p1{background:#E6F7F4;color:#00806F}
.t-early{background:#F1F3F6;color:#64748B}

/* timeline */
.tl{position:relative;margin:0;padding:0 0 0 26px;list-style:none;border-left:2px solid var(--line)}
.tl li{position:relative;padding:0 0 26px 18px}
.tl li:before{content:"";position:absolute;left:-33px;top:.5em;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--teal)}
.tl b{display:block;color:var(--navy);font-size:1rem}
.tl span{color:var(--muted);font-size:.93rem}

/* notes */
.note{background:#F0F7FF;border-left:4px solid var(--blue);border-radius:0 12px 12px 0;padding:20px 24px;
  color:#22405E;font-size:.94rem}
.note strong{color:var(--navy)}
.warn{background:#FFF8F0;border-left:4px solid #E08B24;border-radius:0 12px 12px 0;padding:20px 24px;
  color:#6B4A16;font-size:.93rem}
.warn strong{color:#8A5A0B}

/* cta */
.cta{color:#fff;border-radius:18px;padding:52px 44px;text-align:center;background-image:var(--grad)}
.cta h2{color:#fff}
.cta p{color:#DCEBF9;max-width:660px;margin:0 auto 26px}

/* page head */
.phead{background:var(--grad);color:#fff;padding:64px 0 56px}
.phead h1{color:#fff;margin-bottom:12px}
.phead p{color:#DCEBF9;max-width:800px;margin:0}
.crumb{font-size:.85rem;color:#B9D6F2;margin-bottom:14px}
.crumb a{color:#B9D6F2}

/* footer */
.ft{background:#06203C;color:#A9C0D8;padding:58px 0 26px;font-size:.9rem;margin-top:auto}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px}
.ft h4{color:#fff;margin-bottom:14px;font-size:.95rem}
.ft a{display:block;color:#A9C0D8;margin-bottom:8px}
.ft a:hover{color:#7FE3D6}
.ft-logo{color:#fff;font-weight:700;font-size:1.05rem;margin-bottom:10px}
.ft-slogan{color:#7FE3D6;margin-bottom:14px}
.ft-note{color:#8AA6C0;font-size:.86rem}
.ft-legal{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:22px;
  font-size:.81rem;color:#7E99B3;line-height:1.7}
.ft-legal strong{color:#E2B25B}

/* form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
label{font-size:.88rem;color:var(--muted);font-weight:600}
input,select,textarea{padding:11px 13px;border:1px solid var(--line);border-radius:9px;font:inherit;
  font-size:.94rem;color:var(--ink);background:#FCFDFE}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);background:#fff}
textarea{resize:vertical;min-height:120px}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:980px){
  .g4,.g3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:30px}
  .ft-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  h1{font-size:1.95rem}
  section{padding:54px 0}
  .nav{display:none;position:absolute;left:0;right:0;top:74px;background:#fff;flex-direction:column;
    padding:12px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav-toggle{display:block}
  .g2,.g3,.g4,.form-grid{grid-template-columns:1fr}
  .cta{padding:36px 22px}
  .ft-grid{grid-template-columns:1fr}
}
/* == EXT == */
.hd-right{display:flex;align-items:center;gap:8px;margin-left:8px}
.hd-btn{font-size:.85rem;font-weight:600;padding:7px 13px;border:1px solid var(--line);border-radius:8px;color:var(--navy);white-space:nowrap}
.hd-btn:hover{border-color:var(--blue);color:var(--blue);background:var(--bg)}
.hd-btn.alt{background:var(--navy);color:#fff;border-color:var(--navy)}
.hd-btn.alt:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.news-item{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:none}
.news-item .date{color:var(--teal);font-weight:700;font-size:.9rem;padding-top:4px}
.news-item h3{margin-bottom:8px}
.news-item p{color:var(--muted);font-size:.94rem;margin:0}
.job{display:grid;grid-template-columns:1fr 240px;gap:24px;align-items:start}
.job .meta{color:var(--muted);font-size:.88rem;line-height:1.9;margin:0}
.job h3{margin-bottom:8px}
.job .meta strong{color:var(--navy)}
@media(max-width:1120px){.nav a{padding:8px 10px;font-size:.9rem}.hd-btn{padding:6px 10px;font-size:.8rem}}
@media(max-width:980px){.hd-right{display:none}}
@media(max-width:760px){.news-item,.job{grid-template-columns:1fr;gap:8px}}


/* ===== 页内二级标题锚点目录 ===== */
.toc{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.toc a{display:inline-block;padding:9px 18px;border:1px solid rgba(255,255,255,.42);border-radius:99px;font-size:.9rem;font-weight:600;color:#fff;background:rgba(255,255,255,.1);transition:.2s;white-space:nowrap}
.toc a:hover{border-color:#fff;background:rgba(255,255,255,.22);color:#fff}
.toc a.active{background:#fff;border-color:#fff;color:var(--navy)}


/* ===== 章节手风琴：默认收起，点击标题行或目录胶囊后展开 ===== */
.acc{padding:6px 0}
.acc-head{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;padding:20px 2px;background:none;border:none;cursor:pointer;font:inherit;color:var(--ink);text-align:left}
.acc-head:hover{color:var(--blue)}
.acc-title{font-size:1.5rem;font-weight:700;line-height:1.3}
.acc-ico{flex:none;font-size:.95rem;color:var(--teal);transition:transform .25s}
.acc.open .acc-ico{transform:rotate(90deg)}
.acc-body{display:none}
.acc.open .acc-body{display:block;animation:accIn .28s ease}
@keyframes accIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (max-width:760px){.acc-title{font-size:1.2rem}}

/* ===== 首页主视觉 hero-v2（原为中英文 index 各自的内联样式，已归并到此处，改一处即两边生效） ===== */
.hero-v2{position:relative;overflow:hidden;padding:0;background:#0B2C55}
.hero-v2-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 30%}
.hero-v2::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(11,44,85,.96) 0%,rgba(11,44,85,.82) 40%,rgba(22,104,193,.38) 78%,rgba(0,179,164,.22) 100%);
}
.hero-v2-in{position:relative;z-index:2;max-width:860px;padding:128px 0 140px}
.hero-v2 h1{color:#fff;font-size:2.9rem;margin-bottom:18px}
.hero-v2 .lead{color:#DCEBF9;font-size:1.1rem;max-width:700px}
@media (max-width:760px){
  .hero-v2 h1{font-size:2rem}
  .hero-v2-in{padding:84px 0 100px}
}

/* ===== 顶部按钮的当前页态（招贤纳士页原先缺少当前位置提示） ===== */
.hd-btn.on{background:var(--navy);border-color:var(--navy);color:#fff}
.hd-btn.on:hover{background:var(--blue);border-color:var(--blue);color:#fff}