/* ==========================================================================
   Brio Intelligent — 全站样式
   设计参数取自参考站 intelliprogroup.cn 的实际计算样式：
     主蓝 #0179eb / 标题色 #010829 / 页面底 #fafafa / 浅蓝区块 #eef6fe
     CTA 为青色渐变胶囊（圆角 26px），h2 40px/700，居中标题 + 浅蓝副标题
   改视觉：优先调 :root 里的变量，不要逐处改。
   ========================================================================== */

:root{
  /* 主色 */
  --blue:#0179eb;
  --blue-600:#0163c4;
  --blue-700:#0a4d95;
  --blue-900:#010829;
  --cyan:#00d4ff;
  --cyan-soft:#7fe9ff;

  /* 中性 */
  --bg:#fafafa;
  --bg-blue:#eef6fe;
  --bg-blue-2:#e2eefb;
  --white:#fff;
  --ink:rgba(0,0,0,.87);
  --ink-2:#33455c;
  --muted:#5f7186;
  --muted-2:#93a3b5;
  --line:#e4ecf5;
  --line-2:#d3e2f2;

  /* 形状 */
  --r:16px;
  --r-sm:10px;
  --r-lg:24px;
  --pill:999px;

  /* 阴影 */
  --sh-sm:0 1px 2px rgba(1,60,140,.05), 0 4px 14px -6px rgba(1,60,140,.12);
  --sh:0 2px 6px rgba(1,60,140,.06), 0 14px 34px -14px rgba(1,60,140,.22);
  --sh-lg:0 4px 10px rgba(1,60,140,.08), 0 28px 60px -22px rgba(1,60,140,.34);
  --sh-blue:0 12px 30px -10px rgba(1,121,235,.55);

  /* 版心 */
  --max:1200px;
  --pad:24px;

  /* 渐变 */
  --g-hero:linear-gradient(115deg, #0a5cc0 0%, #1478d4 42%, #2f9ce8 100%);
  --g-cyan:linear-gradient(90deg, #40f9ff 0%, #b5fff6 100%);
  --g-blue:linear-gradient(135deg, #0179eb 0%, #00b4f0 100%);
  --g-navy:linear-gradient(160deg, #02102f 0%, #062a5c 55%, #0a4d95 100%);

  --font:"PingFang SC","PingFangSC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.22,.68,.32,1);
}

/* ---------- 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:96px}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--font); font-size:15px; line-height:1.8;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{max-width:100%; display:block; height:auto}
a{color:inherit; text-decoration:none; transition:color .2s var(--ease)}
h1,h2,h3,h4{margin:0; font-weight:700; line-height:1.3; color:var(--blue-900); letter-spacing:-.01em}
p{margin:0}
ul{margin:0; padding:0; list-style:none}
button{font-family:inherit}

/* 语言切换：默认中文 */
html[data-lang="en"] [data-zh]{display:none !important}
html[data-lang="zh"] [data-en]{display:none !important}

/* ---------- 版心 ---------- */
.wrap{width:100%; max-width:var(--max); margin:0 auto; padding:0 var(--pad)}
.sec{padding:92px 0}
.sec--blue{background:var(--bg-blue)}
.sec--white{background:var(--white)}
.sec--navy{background:var(--g-navy); color:#fff}
.sec--navy h2,.sec--navy h3{color:#fff}
.sec--tight{padding:64px 0}

/* ---------- 区块标题（居中，参考站风格） ---------- */
.sec-head{text-align:center; max-width:780px; margin:0 auto 56px}
.sec-head h2{font-size:clamp(26px,3.1vw,38px); line-height:1.32}
.sec-head .sub{margin-top:14px; font-size:16px; color:var(--blue); font-weight:400}
.sec-head .desc{margin-top:16px; font-size:15.5px; color:var(--muted); line-height:1.9}
.sec--navy .sec-head .sub{color:var(--cyan-soft)}
.sec--navy .sec-head .desc{color:rgba(255,255,255,.7)}
.sec-head--left{text-align:left; margin-left:0; margin-right:0}

.eyebrow{
  display:inline-block; font-size:12.5px; font-weight:700; letter-spacing:.16em;
  text-transform:uppercase; color:var(--blue); background:rgba(1,121,235,.09);
  padding:6px 14px; border-radius:var(--pill); margin-bottom:18px;
}
.sec--navy .eyebrow{color:var(--cyan-soft); background:rgba(0,212,255,.14)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  padding:15px 34px; border-radius:var(--pill); border:1px solid transparent;
  font-size:16px; font-weight:600; cursor:pointer; white-space:nowrap;
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .22s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--cyan{background:var(--g-cyan); color:var(--blue-700); box-shadow:0 10px 26px -10px rgba(64,249,255,.8)}
.btn--cyan:hover{box-shadow:0 16px 34px -12px rgba(64,249,255,.95)}
.btn--primary{background:var(--blue); color:#fff; box-shadow:var(--sh-blue)}
.btn--primary:hover{background:var(--blue-600)}
.btn--ghost{color:#fff; border-color:rgba(255,255,255,.5); background:rgba(255,255,255,.08)}
.btn--ghost:hover{background:rgba(255,255,255,.18); border-color:#fff}
.btn--outline{color:var(--blue); border-color:var(--line-2); background:#fff}
.btn--outline:hover{border-color:var(--blue); color:var(--blue-600)}
.btn--sm{padding:11px 24px; font-size:14.5px}
.btn--lg{padding:17px 40px; font-size:17px}

/* 卡片上的胶囊「了解更多」 */
.btn-pill{
  display:inline-flex; align-items:center; gap:7px; margin-top:22px;
  padding:12px 30px; border-radius:var(--pill); font-size:15px; font-weight:600;
  background:var(--g-blue); color:#fff; box-shadow:0 8px 20px -8px rgba(1,121,235,.6);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease);
}
.btn-pill:hover{transform:translateY(-2px); box-shadow:0 14px 28px -10px rgba(1,121,235,.75)}

/* ==========================================================================
   顶栏
   ========================================================================== */
.hdr{
  position:fixed; inset:0 0 auto 0; z-index:200; background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent; transition:border-color .25s, box-shadow .25s;
}
.hdr.is-stuck{border-bottom-color:var(--line); box-shadow:0 6px 26px -20px rgba(1,60,140,.6)}
.hdr__in{display:flex; align-items:center; gap:26px; height:76px}

.logo{display:flex; align-items:center; gap:10px; flex:none}
.logo__mark{
  width:36px; height:36px; border-radius:10px; flex:none; display:grid; place-items:center;
  background:var(--g-blue); color:#fff; font-weight:800; font-size:20px; line-height:1;
  box-shadow:0 6px 16px -6px rgba(1,121,235,.8);
}
.logo__tx{display:flex; flex-direction:column; line-height:1.15}
.logo__tx b{font-size:16px; font-weight:800; letter-spacing:.02em; color:var(--blue-900)}
.logo__tx span{font-size:10.5px; color:var(--muted-2); letter-spacing:.04em; font-weight:500}

.nav{display:flex; align-items:center; gap:2px; margin-left:auto}
.nav__item{position:relative}
.nav__item > a{
  display:flex; align-items:center; gap:5px; padding:10px 16px; border-radius:var(--pill);
  font-size:15px; font-weight:600; color:var(--ink-2); position:relative;
}
.nav__item > a:hover{color:var(--blue); background:var(--bg-blue)}
.nav__item.is-active > a{color:var(--blue)}
.nav__item.is-active > a::after{
  content:""; position:absolute; left:16px; right:16px; bottom:2px; height:2px;
  background:var(--blue); border-radius:2px;
}
.nav__item > a .caret{
  width:0; height:0; border-left:4px solid transparent; border-right:4px solid transparent;
  border-top:5px solid currentColor; opacity:.6; margin-top:2px;
}
/* 下拉 */
.nav__drop{
  position:absolute; top:calc(100% + 10px); left:50%; transform:translate(-50%,8px);
  min-width:216px; background:#fff; border:1px solid var(--line); border-radius:14px;
  box-shadow:var(--sh-lg); padding:10px; opacity:0; visibility:hidden; transition:.22s var(--ease);
}
.nav__item:hover .nav__drop{opacity:1; visibility:visible; transform:translate(-50%,0)}
.nav__drop a{
  display:block; padding:11px 14px; border-radius:9px; font-size:14.5px; font-weight:500; color:var(--ink-2);
}
.nav__drop a:hover{background:var(--bg-blue); color:var(--blue)}
.nav__drop a small{display:block; font-size:12px; color:var(--muted-2); font-weight:400; margin-top:2px}

.nav__cta{display:none}

.hdr__right{display:flex; align-items:center; gap:12px; flex:none}
.tel-pill{
  display:flex; align-items:center; gap:7px; padding:8px 16px; border-radius:var(--pill);
  border:1px solid var(--line); background:#fff; font-size:14px; font-weight:600; color:var(--blue-900);
}
.tel-pill:hover{border-color:var(--blue); color:var(--blue)}
.tel-pill svg{flex:none}
.lang{display:flex; align-items:center; border:1px solid var(--line); border-radius:var(--pill); overflow:hidden; background:#fff}
.lang button{border:0; background:transparent; padding:7px 12px; font-size:12.5px; font-weight:700; color:var(--muted); cursor:pointer; transition:.18s}
.lang button.on{background:var(--blue); color:#fff}
.burger{display:none; width:42px; height:42px; border:1px solid var(--line); border-radius:12px; background:#fff; cursor:pointer; padding:0; place-items:center; flex:none}
.burger span{display:block; width:18px; height:2px; background:var(--blue-900); border-radius:2px; position:relative}
.burger span::before,.burger span::after{content:""; position:absolute; left:0; width:18px; height:2px; background:var(--blue-900); border-radius:2px}
.burger span::before{top:-6px} .burger span::after{top:6px}
.burger span,.burger span::before,.burger span::after{transition:transform .26s var(--ease), opacity .2s}
.burger.is-on span{background:transparent}
.burger.is-on span::before{transform:translateY(6px) rotate(45deg)}
.burger.is-on span::after{transform:translateY(-6px) rotate(-45deg)}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative; overflow:hidden; color:#fff; padding:150px 0 0;
  background:var(--g-hero);
}
.hero::before{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.5;
  background:
    radial-gradient(ellipse 60% 55% at 82% 18%, rgba(255,255,255,.28), transparent 70%),
    radial-gradient(ellipse 50% 60% at 8% 92%, rgba(0,20,60,.3), transparent 70%);
}
.hero__grid{
  position:relative; z-index:2; display:grid; grid-template-columns:1.05fr .95fr;
  gap:56px; align-items:center; padding-bottom:76px;
}
.hero__eyebrow{
  display:inline-block; font-size:12.5px; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color:#fff; background:rgba(255,255,255,.16); border:1px solid rgba(255,255,255,.28);
  padding:7px 16px; border-radius:var(--pill); margin-bottom:22px;
}
.hero h1{color:#fff; font-size:clamp(32px,4.1vw,50px); line-height:1.22; letter-spacing:-.02em}
.hero__sub{margin-top:22px; font-size:clamp(15px,1.35vw,17.5px); color:rgba(255,255,255,.88); line-height:1.85; max-width:560px}
.hero__cta{display:flex; flex-wrap:wrap; gap:14px; margin-top:34px}
.hero__tags{display:flex; flex-wrap:wrap; gap:10px; margin-top:28px}
.hero__tags span{
  font-size:13px; font-weight:600; padding:7px 16px; border-radius:var(--pill);
  color:#fff; background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.24);
}

/* Hero 图片拼贴 */
.hero__art{position:relative; height:400px}
.hero__art .ph{
  position:absolute; border-radius:var(--r-lg); overflow:hidden;
  box-shadow:0 30px 60px -24px rgba(0,25,70,.6); border:5px solid rgba(255,255,255,.9);
}
.hero__art .ph img{width:100%; height:100%; object-fit:cover}
.hero__art .ph--a{width:76%; height:74%; left:0; top:0; z-index:2}
.hero__art .ph--b{width:56%; height:56%; right:0; bottom:0; z-index:3}
.hero__art .ph--c{
  width:34%; height:30%; left:6%; bottom:6%; z-index:4;
  background:var(--g-cyan); border:5px solid rgba(255,255,255,.9);
  display:grid; place-items:center; text-align:center; padding:14px;
}
.hero__art .ph--c b{display:block; font-size:26px; font-weight:800; color:var(--blue-700); line-height:1.1}
.hero__art .ph--c span{font-size:12px; color:var(--blue-700); font-weight:600; opacity:.85; line-height:1.4; display:block; margin-top:4px}

/* 统计条（压在 hero 下沿） */
.statsbar{
  position:relative; z-index:5; background:#fff; border-radius:var(--r-lg);
  box-shadow:var(--sh-lg); margin:0 auto -54px; max-width:1080px;
  display:grid; grid-template-columns:repeat(4,1fr); overflow:hidden;
}
.statsbar__i{padding:30px 26px; text-align:center; position:relative}
.statsbar__i + .statsbar__i::before{
  content:""; position:absolute; left:0; top:22%; bottom:22%; width:1px; background:var(--line);
}
.statsbar__i b{
  display:block; font-size:clamp(26px,2.9vw,36px); font-weight:800; letter-spacing:-.02em;
  background:var(--g-blue); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.statsbar__i span{display:block; margin-top:8px; font-size:13px; color:var(--muted); line-height:1.6}

/* 子页小 hero */
.phero{position:relative; overflow:hidden; color:#fff; padding:142px 0 78px; background:var(--g-hero)}
.phero::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(ellipse 55% 70% at 85% 20%, rgba(255,255,255,.24), transparent 70%);
}
.phero__in{position:relative; z-index:2; display:grid; grid-template-columns:1.1fr .9fr; gap:52px; align-items:center}
.phero h1{color:#fff; font-size:clamp(28px,3.4vw,42px)}
.phero__sub{margin-top:18px; font-size:16.5px; color:rgba(255,255,255,.88); line-height:1.85; max-width:520px}
.phero__cta{margin-top:30px; display:flex; flex-wrap:wrap; gap:14px}
.phero__art{border-radius:var(--r-lg); overflow:hidden; box-shadow:0 30px 60px -24px rgba(0,25,70,.6); border:5px solid rgba(255,255,255,.9)}
.phero__art img{width:100%; height:330px; object-fit:cover}

/* 面包屑 */
.crumb{position:relative; z-index:2; font-size:13.5px; color:rgba(255,255,255,.75); margin-bottom:20px}
.crumb a:hover{color:#fff}
.crumb span{opacity:.55; margin:0 8px}

/* ==========================================================================
   网格与卡片
   ========================================================================== */
.grid{display:grid; gap:24px}
.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(--r);
  padding:32px 30px; box-shadow:var(--sh-sm);
  transition:transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s;
}
.card:hover{transform:translateY(-4px); box-shadow:var(--sh); border-color:var(--line-2)}
.card__ico{
  width:52px; height:52px; border-radius:14px; display:grid; place-items:center; margin-bottom:20px;
  background:linear-gradient(135deg, rgba(1,121,235,.12), rgba(0,180,240,.16)); color:var(--blue);
  font-size:20px; font-weight:800;
}
.card h3{font-size:19px; margin-bottom:10px; color:var(--blue-900)}
.card p{font-size:14.5px; color:var(--muted); line-height:1.85}
.card .idx{
  display:inline-block; font-size:12.5px; font-weight:800; letter-spacing:.12em;
  color:var(--blue); margin-bottom:12px;
}
.card--flat{padding:26px 24px}
.card--flat h3{font-size:17px}

/* 照片卡（参考站首页那种：图 + 标题 + 描述 + 查看详情） */
.pcard{
  background:#fff; border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
  box-shadow:var(--sh-sm); display:flex; flex-direction:column;
  transition:transform .28s var(--ease), box-shadow .28s var(--ease);
}
.pcard:hover{transform:translateY(-5px); box-shadow:var(--sh-lg)}
.pcard__img{position:relative; aspect-ratio:16/10; overflow:hidden; background:var(--bg-blue-2)}
.pcard__img img{width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease)}
.pcard:hover .pcard__img img{transform:scale(1.06)}
.pcard__body{padding:26px 26px 28px; flex:1; display:flex; flex-direction:column}
.pcard__body h3{font-size:19px; margin-bottom:10px}
.pcard__body p{font-size:14.5px; color:var(--muted); line-height:1.85; flex:1}
.pcard__tag{
  position:absolute; left:14px; top:14px; z-index:2; font-size:12px; font-weight:700;
  padding:5px 13px; border-radius:var(--pill); background:rgba(255,255,255,.94); color:var(--blue);
  box-shadow:0 4px 12px -4px rgba(0,25,70,.35);
}
.pcard__more{
  display:inline-flex; align-items:center; gap:6px; margin-top:18px;
  font-size:14.5px; font-weight:700; color:var(--blue);
}
.pcard__more::after{content:"→"; transition:transform .24s var(--ease)}
.pcard:hover .pcard__more::after{transform:translateX(4px)}

/* 标签页 */
.tabs{display:flex; flex-wrap:wrap; justify-content:center; gap:8px; margin-bottom:42px}
.tabs button{
  border:1px solid var(--line); background:#fff; color:var(--ink-2);
  padding:12px 26px; border-radius:var(--pill); font-size:15px; font-weight:600; cursor:pointer;
  transition:.22s var(--ease);
}
.tabs button:hover{border-color:var(--blue); color:var(--blue)}
.tabs button.on{background:var(--blue); border-color:var(--blue); color:#fff; box-shadow:var(--sh-blue)}
.tabpanel{display:none}
.tabpanel.on{display:block; animation:fade .4s var(--ease)}
@keyframes fade{from{opacity:0; transform:translateY(10px)} to{opacity:1; transform:none}}

/* ==========================================================================
   对比表
   ========================================================================== */
.cmp{margin-top:34px; background:#fff; border-radius:var(--r-lg); box-shadow:var(--sh); overflow:hidden}
.cmp table{border-collapse:collapse; width:100%}
.cmp th,.cmp td{padding:20px 24px; text-align:left; font-size:14.5px; vertical-align:top; border-bottom:1px solid var(--line)}
.cmp thead th{
  color:#fff; font-size:15px; font-weight:700; border-bottom:0;
  background:var(--g-blue); text-align:center;
}
.cmp thead th:first-child{background:#fff; color:transparent}
.cmp thead th:nth-child(2){background:linear-gradient(135deg,#0179eb,#00b4f0)}
.cmp thead th:nth-child(3){background:linear-gradient(135deg,#0aa87a,#26c78f)}
.cmp thead th:nth-child(4){background:linear-gradient(135deg,#f08a24,#f5a94e)}
.cmp tbody th{
  font-weight:700; color:var(--blue-900); background:var(--bg-blue);
  white-space:nowrap; font-size:14px;
}
.cmp tbody td{color:var(--muted); background:#fff; text-align:center}
.cmp tbody td:nth-child(2){background:rgba(1,121,235,.04)}
.cmp tbody td:nth-child(3){background:rgba(10,168,122,.05)}
.cmp tbody td:nth-child(4){background:rgba(240,138,36,.05)}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}
.cmp td ul{margin:0; text-align:left}
.cmp td li{position:relative; padding-left:14px; margin:5px 0; line-height:1.7}
.cmp td li::before{content:"·"; position:absolute; left:4px; font-weight:800; color:var(--blue)}

/* ==========================================================================
   分层交付图
   ========================================================================== */
.flow{display:flex; flex-direction:column; gap:12px; max-width:900px; margin:0 auto}
.layer{
  background:#fff; border:1px solid var(--line); border-radius:var(--r);
  padding:24px 30px; box-shadow:var(--sh-sm); position:relative;
}
.layer__k{font-size:12px; font-weight:800; letter-spacing:.14em; text-transform:uppercase; color:var(--blue); margin-bottom:8px}
.layer__t{font-size:17px; font-weight:700; color:var(--blue-900)}
.layer__d{font-size:14px; color:var(--muted); margin-top:6px}
.layer--hi{background:var(--g-blue); border-color:transparent; box-shadow:var(--sh)}
.layer--hi .layer__k{color:rgba(255,255,255,.8)}
.layer--hi .layer__t{color:#fff}
.layer--hi .layer__d{color:rgba(255,255,255,.85)}
.flow .down{text-align:center; color:var(--muted-2); font-size:17px; line-height:1}

/* ==========================================================================
   其他组件
   ========================================================================== */
/* 引语/强调条 */
.quote{
  margin-top:44px; padding:28px 34px; border-radius:var(--r);
  background:linear-gradient(110deg, rgba(1,121,235,.07), rgba(0,212,255,.1));
  border-left:4px solid var(--blue); font-size:16.5px; font-weight:600; color:var(--blue-700); line-height:1.8;
}
.quote--center{text-align:center; border-left:0; border-radius:var(--r)}

/* 提示框 */
.note{
  background:#fff8e8; border:1px solid #f5e0b0; border-left:4px solid #f0a500;
  border-radius:var(--r); padding:24px 28px; margin:30px 0;
}
.note b{display:block; font-size:15px; color:#8a5c00; margin-bottom:8px}
.note p{font-size:14.5px; color:#6f5620; line-height:1.85}

/* 城市 */
.cities{display:flex; flex-wrap:wrap; gap:12px; justify-content:center}
.city{
  background:#fff; border:1px solid var(--line); border-radius:var(--r);
  padding:16px 24px; min-width:140px; text-align:center; box-shadow:var(--sh-sm);
  transition:transform .24s var(--ease), box-shadow .24s var(--ease);
}
.city:hover{transform:translateY(-3px); box-shadow:var(--sh)}
/* 用子选择器：城市名/角色内部还要再嵌一层双语 span */
.city > b{display:block; font-size:16px; font-weight:700; color:var(--blue-900)}
.city > span{font-size:12.5px; color:var(--muted-2)}

/* 认证徽章 */
.badges{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; max-width:880px; margin:0 auto}
.badge{
  background:#fff; border:1px solid var(--line); border-radius:var(--r); padding:30px 26px;
  text-align:center; box-shadow:var(--sh-sm);
}
.badge b{display:block; font-size:22px; font-weight:800; color:var(--blue-900)}
.badge span{display:block; margin-top:8px; font-size:13px; color:var(--muted); line-height:1.6}

/* 标签 */
.tags{display:flex; flex-wrap:wrap; gap:9px}
.tag{
  font-size:13.5px; font-weight:600; padding:8px 16px; border-radius:var(--r-sm);
  background:var(--bg-blue); border:1px solid var(--line-2); color:var(--blue-700);
}
.tag--plain{background:#fff; border-color:var(--line); color:var(--ink-2)}

/* 图文对开 */
.split{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center}
.split__art{border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--sh-lg)}
.split__art img{width:100%; height:400px; object-fit:cover}
.split--rev .split__art{order:2}

/* 数字亮点 */
.numstat{display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:44px}
.numstat__i{text-align:center; padding:28px 20px; background:#fff; border:1px solid var(--line); border-radius:var(--r); box-shadow:var(--sh-sm)}
.numstat__i b{
  display:block; font-size:34px; font-weight:800; letter-spacing:-.02em;
  background:var(--g-blue); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.numstat__i span{display:block; margin-top:6px; font-size:13.5px; color:var(--muted)}

/* ---------- 行内链接 ---------- */
.lnk{color:var(--blue); font-weight:700}
.lnk:hover{color:var(--blue-600)}

/* ---------- 表单（联系我们） ---------- */
.form{margin-top:30px}
.form__row{display:grid; grid-template-columns:1fr 1fr; gap:20px}
.field{margin-bottom:20px}
.field label{display:block; font-size:13px; font-weight:700; color:var(--blue-900); letter-spacing:.04em; margin-bottom:9px}
.field input,.field textarea{
  width:100%; font-family:inherit; font-size:15px; color:var(--ink); line-height:1.7;
  background:#fff; border:1px solid var(--line-2); border-radius:var(--r-sm); padding:14px 16px;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea{min-height:132px; resize:vertical}
.field input:focus,.field textarea:focus{outline:0; border-color:var(--blue); box-shadow:0 0 0 3px rgba(1,121,235,.14)}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.form__note{margin-top:16px; font-size:13px; color:var(--muted-2); line-height:1.75}
.info-list{display:grid; gap:16px}

/* ==========================================================================
   CTA 带
   ========================================================================== */
.cta{
  position:relative; overflow:hidden; color:#fff; text-align:center; padding:76px 0;
  background:var(--g-hero);
}
.cta::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(ellipse 60% 90% at 50% 0%, rgba(255,255,255,.24), transparent 70%);
}
.cta__in{position:relative; z-index:2}
.cta h2{color:#fff; font-size:clamp(24px,3vw,36px)}
.cta p{margin-top:14px; font-size:16px; color:rgba(255,255,255,.86)}
.cta__btns{display:flex; flex-wrap:wrap; gap:14px; justify-content:center; margin-top:30px}

/* ==========================================================================
   页脚
   ========================================================================== */
.ftr{background:var(--blue-900); color:rgba(255,255,255,.62); padding:68px 0 0; font-size:14px}
.ftr__top{display:grid; grid-template-columns:1.7fr 1fr 1fr 1.3fr; gap:44px; padding-bottom:48px}
.ftr h4{color:#fff; font-size:13px; letter-spacing:.14em; text-transform:uppercase; margin-bottom:20px; font-weight:700}
.ftr li{margin-bottom:11px}
.ftr a:hover{color:var(--cyan-soft)}
.ftr .logo__tx b{color:#fff}
.ftr .logo__tx span{color:rgba(255,255,255,.42)}
.ftr__brand p{margin-top:20px; line-height:1.9; max-width:330px; font-size:13.5px}
.ftr__contact b{color:#fff; font-weight:700}
.ftr__bottom{
  border-top:1px solid rgba(255,255,255,.1); padding:22px 0 28px;
  display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between; font-size:12.5px; color:rgba(255,255,255,.42);
}

/* ==========================================================================
   滚动入场
   ========================================================================== */
.rv{opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease)}
.rv.in{opacity:1; transform:none}
@media (prefers-reduced-motion: reduce){
  .rv{opacity:1; transform:none; transition:none}
  html{scroll-behavior:auto}
  .pcard:hover .pcard__img img{transform:none}
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1080px){
  .nav__item > a{padding:10px 12px; font-size:14.5px}
  .tel-pill{display:none}
  .g4{grid-template-columns:repeat(2,1fr)}
  .ftr__top{grid-template-columns:1fr 1fr; gap:36px}
}
@media (max-width:960px){
  .hero{padding-top:120px}
  .hero__grid,.phero__in{grid-template-columns:1fr; gap:40px}
  .hero__art{height:320px; order:2}
  .phero__art img{height:260px}
  .statsbar{grid-template-columns:repeat(2,1fr)}
  .statsbar__i:nth-child(odd)::before{display:none}
  .statsbar__i:nth-child(3)::before,.statsbar__i:nth-child(4)::before{display:block}
  .split{grid-template-columns:1fr; gap:32px}
  .split--rev .split__art{order:0}
  .split__art img{height:300px}
  .numstat{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav{
    position:fixed; inset:76px 0 auto 0; flex-direction:column; align-items:stretch; gap:0;
    background:#fff; border-bottom:1px solid var(--line); padding:14px 20px 24px;
    box-shadow:0 24px 44px -24px rgba(1,60,140,.4); overflow-y:auto; max-height:calc(100vh - 76px);
    transform:translateY(-12px); opacity:0; pointer-events:none; transition:.24s var(--ease);
  }
  .nav.is-open{transform:none; opacity:1; pointer-events:auto}
  .nav__item > a{padding:15px 10px; font-size:16.5px; justify-content:space-between; border-radius:10px}
  .nav__item.is-active > a::after{display:none}
  .nav__drop{
    position:static; transform:none; opacity:1; visibility:visible; box-shadow:none;
    border:0; border-left:2px solid var(--line-2); border-radius:0; margin:0 0 6px 14px;
    padding:4px 0 4px 12px; display:none; min-width:0;
  }
  .nav__item:hover .nav__drop{transform:none}
  .nav__item.is-open .nav__drop{display:block}
  .nav__drop a{padding:11px 10px; font-size:15px}
  .burger{display:grid}
  .hdr__in{gap:14px}
  .hdr__right{gap:9px}
  .hdr .logo__tx span{display:none}
  .hdr__right .btn{display:none}
  .nav__cta{display:block; margin-top:14px}
  .nav__cta a{
    display:block; text-align:center; background:var(--blue); color:#fff !important;
    border-radius:var(--pill); padding:15px 12px !important; font-weight:700;
  }
  .sec{padding:64px 0}
  .sec-head{margin-bottom:38px}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .badges{grid-template-columns:1fr}
  .cmp{overflow-x:auto}
  .cmp table{min-width:640px}
  .ftr__top{grid-template-columns:1fr; gap:30px}
}
@media (max-width:560px){
  :root{--pad:18px}
  /* 顶栏在窄屏必须收住：logo 文字会挤掉汉堡按钮 */
  .logo{gap:8px}
  .logo__mark{width:32px; height:32px; font-size:17px; border-radius:9px}
  .logo__tx b{font-size:13px; letter-spacing:0; white-space:nowrap}
  .lang button{padding:7px 10px; font-size:12px}
  .btn{padding:13px 26px; font-size:15px}
  .btn--lg{padding:15px 30px; font-size:16px}
  .hero{padding-top:106px}
  .hero__art{height:250px}
  .hero__art .ph--c{display:none}
  .statsbar{margin-bottom:-40px}
  .statsbar__i{padding:22px 16px}
  .card{padding:26px 22px}
  .pcard__body{padding:22px 20px 24px}
  .form__row{grid-template-columns:1fr; gap:0}
}
/* 极窄屏（iPhone SE 一代等）：只留 logo 方块，保证汉堡按钮在视口内 */
@media (max-width:349px){
  .logo__tx{display:none}
}