/* 初犊智算平台 · 官网样式
   设计语言承接《初犊集团算力业务企业介绍》：初犊绿 #11BF8A、深墨底、米白纸面
   2026-11-08 */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --green:#11BF8A;
  --green-bright:#2BE3A4;
  --green-deep:#0B8A63;
  --green-glass:rgba(17,191,138,.12);
  --green-line:rgba(17,191,138,.28);

  --ink:#07100E;
  --ink-1:#0B1512;
  --ink-2:#0F1D19;
  --ink-3:#14261F;

  --cream:#F5F1E8;
  --cream-2:#EDE7DA;
  --paper:#FFFFFF;

  --text:#0C1917;
  --text-2:#3C4B47;
  --muted:#6C7E79;
  --muted-2:#93A6A1;
  --muted-dark:#8FA5A0;

  --line:rgba(12,25,23,.12);
  --line-dark:rgba(255,255,255,.12);

  --radius-s:6px;
  --radius:14px;
  --radius-l:22px;

  --shadow-1:0 1px 2px rgba(9,26,22,.05), 0 8px 24px -12px rgba(9,26,22,.16);
  --shadow-2:0 24px 60px -28px rgba(4,20,16,.45);

  --font-sans:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC",
    "Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"SF Pro Display","Helvetica Neue",Arial,"PingFang SC",sans-serif;

  --nav-h:72px;
  --wrap:1240px;
  --gutter:clamp(20px,5vw,64px);
}

/* ---------- 2. 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.2;letter-spacing:-.015em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
::selection{background:rgba(17,191,138,.28)}

/* ---------- 3. 版式工具 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(64px,8vw,120px) 0;position:relative}
.section--dark{background:var(--ink);color:#fff}
.section--cream{background:var(--cream)}
.section--paper{background:var(--paper)}
.section--tight{padding:clamp(48px,5vw,72px) 0}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;color:var(--green);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--green);opacity:.8}
.section--dark .eyebrow{color:var(--green-bright)}

.h2{
  font-size:clamp(26px,3.5vw,44px);
  margin-top:18px;
  letter-spacing:-.02em;
  line-height:1.26;
  text-wrap:balance;
}
.h2-light{color:#fff}
.lead{
  margin-top:18px;
  font-size:clamp(15px,1.25vw,18px);
  line-height:1.9;
  color:var(--text-2);
  max-width:62ch;
}
.section--dark .lead{color:var(--muted-dark)}
.head-split{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:clamp(24px,4vw,80px);flex-wrap:wrap;
}
.head-split > :first-child{flex:1 1 720px;min-width:0}
.head-split .lead{flex:0 1 330px;margin-top:0}

.green{color:var(--green)}
.nowrap{white-space:nowrap}

/* ---------- 4. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 30px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .25s ease,background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease;
  will-change:transform;
}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:16px;height:16px;flex:none}
.btn-primary{background:var(--green);color:#04120E;box-shadow:0 14px 34px -16px rgba(17,191,138,.9)}
.btn-primary:hover{background:var(--green-bright)}
.btn-ghost{border:1px solid rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{border-color:var(--green);color:var(--green-bright)}
.btn-outline{border:1px solid var(--line);color:var(--text);background:transparent}
.btn-outline:hover{border-color:var(--green);color:var(--green-deep)}

/* ---------- 5. 顶部导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .3s ease,box-shadow .3s ease,height .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(7,16,14,.88);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:rgba(255,255,255,.08);
  height:64px;
}
.nav.is-light{
  background:rgba(245,241,232,.92);
  border-bottom-color:var(--line);
}
.nav.is-light.is-stuck{background:rgba(245,241,232,.96)}
.nav-inner{
  width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand img{width:auto;height:38px}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.04em;color:#fff}
.brand-sub{font-size:10px;letter-spacing:.26em;color:var(--muted-dark);text-transform:uppercase}
.nav.is-light .brand-name{color:var(--text)}
.nav.is-light .brand-sub{color:var(--muted)}

.nav-links{display:flex;align-items:center;gap:clamp(10px,2vw,34px)}
.nav-link{
  position:relative;font-size:14.5px;color:rgba(255,255,255,.74);
  padding:6px 2px;transition:color .2s ease;white-space:nowrap;
}
.nav-link:hover{color:#fff}
.nav-link.is-active{color:var(--green-bright)}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--green);border-radius:2px;
}
.nav.is-light .nav-link{color:var(--text-2)}
.nav.is-light .nav-link:hover{color:var(--text)}
.nav.is-light .nav-link.is-active{color:var(--green-deep)}
.nav-cta{
  height:40px;padding:0 20px;border-radius:999px;font-size:13.5px;font-weight:600;
  border:1px solid var(--green-line);color:var(--green-bright);
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-cta:hover{background:var(--green);color:#04120E;border-color:var(--green)}
.nav.is-light .nav-cta{color:var(--green-deep)}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;flex:none;
  border:1px solid rgba(255,255,255,.22);
}
.nav.is-light .nav-toggle{border-color:var(--line)}
.nav-toggle span{display:block;width:18px;height:1.6px;background:#fff;transition:transform .3s ease,opacity .2s ease}
.nav-toggle span+span{margin-top:5px}
.nav.is-light .nav-toggle span{background:var(--text)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(3.3px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-3.3px) rotate(-45deg)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:110;
  background:rgba(7,16,14,.97);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:calc(var(--nav-h) + 24px) var(--gutter) 32px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-top:12px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;font-size:19px;font-weight:600;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-link .idx{font-family:var(--font-num);font-size:12px;color:var(--green);letter-spacing:.12em}
.drawer-foot{margin-top:auto;padding-top:28px;color:var(--muted-dark);font-size:13px;line-height:2}
.drawer-foot strong{display:block;color:#fff;font-size:16px;letter-spacing:.04em;margin-bottom:2px}


/* ---------- 6. 首页 Hero ---------- */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:center;
  background:var(--ink);
  color:#fff;overflow:hidden;
  padding:calc(var(--nav-h) + 48px) 0 64px;
}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-bg::before{
  content:"";position:absolute;
  width:110vw;height:110vh;left:50%;top:-30%;
  transform:translateX(-50%);
  background:
    radial-gradient(48% 46% at 72% 26%,rgba(17,191,138,.30) 0%,rgba(17,191,138,.10) 42%,transparent 70%),
    radial-gradient(40% 40% at 18% 78%,rgba(11,138,99,.20) 0%,transparent 68%);
}
.hero-grid{
  position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:76px 76px;
  mask-image:radial-gradient(72% 68% at 62% 40%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(72% 68% at 62% 40%,#000 20%,transparent 78%);
}
.hero-inner{
  position:relative;z-index:2;width:100%;
  max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter);
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  align-items:center;gap:clamp(32px,5vw,72px);
}
.hero-copy{max-width:640px}
.hero-tag{
  display:inline-flex;align-items:center;gap:12px;
  font-size:clamp(14px,1.3vw,17px);font-weight:500;
  letter-spacing:.06em;color:rgba(255,255,255,.86);
  padding-bottom:16px;
}
.hero-tag::after{content:"";width:44px;height:1px;background:var(--green);opacity:.9}
.hero-title{
  margin-top:clamp(18px,2.4vw,30px);
  font-size:clamp(40px,6.6vw,86px);
  line-height:1.08;font-weight:800;letter-spacing:-.03em;
}
.hero-title .ln{display:block}
.hero-title .ln-2{
  background:linear-gradient(96deg,#FFFFFF 12%,var(--green-bright) 96%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{
  margin-top:clamp(22px,2.6vw,34px);
  font-size:clamp(15px,1.5vw,19px);
  line-height:2;color:rgba(255,255,255,.66);max-width:52ch;
}
.hero-sub strong{color:rgba(255,255,255,.95);font-weight:600}
.hero-acts{display:flex;flex-wrap:wrap;gap:14px;margin-top:clamp(28px,3.4vw,44px)}
.hero-meta{
  margin-top:clamp(34px,4vw,56px);padding-top:26px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:clamp(18px,3vw,46px);
}
.hero-meta-item{display:flex;flex-direction:column;gap:2px}
.hero-meta-item .n{
  font-family:var(--font-num);font-size:clamp(20px,2.2vw,28px);
  font-weight:700;color:#fff;letter-spacing:-.02em;line-height:1.1;
}
.hero-meta-item .n em{font-style:normal;color:var(--green-bright);font-size:.62em;margin-left:2px}
.hero-meta-item .t{font-size:12.5px;color:var(--muted-dark);letter-spacing:.04em}

/* 右侧等距集群插画 */
.hero-art{position:relative;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.hero-art svg{width:100%;height:auto;filter:drop-shadow(0 30px 60px rgba(17,191,138,.22))}
.hero-art::after{
  content:"";position:absolute;left:8%;right:8%;bottom:12%;height:26%;
  background:radial-gradient(50% 50% at 50% 50%,rgba(17,191,138,.20),transparent 72%);
  filter:blur(18px);
}
.hero-scroll{
  position:absolute;left:50%;bottom:22px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.42);
  z-index:3;
}
.hero-scroll .bar{width:1px;height:42px;background:linear-gradient(to bottom,rgba(17,191,138,.9),transparent)}

/* ---------- 7. 数字带 ---------- */
.stats{
  background:var(--ink-1);color:#fff;
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:clamp(40px,5vw,64px) 0;
}
.stats-head{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:clamp(28px,3vw,44px);
}
.stats-head h2{font-size:clamp(20px,2.2vw,28px);letter-spacing:-.02em}
.stats-head .note{font-size:12.5px;color:var(--muted-dark);letter-spacing:.06em}
.stats-grid{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));
  gap:1px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);
  overflow:hidden;
}
.stat{
  background:var(--ink-1);padding:clamp(20px,2.4vw,32px);
  display:flex;flex-direction:column;gap:6px;
  transition:background .3s ease;
}
.stat:hover{background:var(--ink-2)}
.stat .cat{
  align-self:flex-start;font-size:10.5px;letter-spacing:.2em;color:var(--green);
  border:1px solid var(--green-line);border-radius:999px;padding:2px 9px;margin-bottom:8px;
}
.stat .v{
  font-family:var(--font-num);font-weight:800;
  font-size:clamp(26px,2.9vw,42px);line-height:1;letter-spacing:-.03em;color:#fff;
}
.stat .v .sym{color:var(--green-bright);font-size:.55em;font-weight:700;margin-left:2px}
.stat .v .pre{color:var(--green-bright);font-size:.72em;margin-right:1px;font-weight:700}
.stat .k{font-size:13px;color:var(--muted-dark);line-height:1.5}

/* ---------- 8. 定位 / 业务卡片 ---------- */
.pos-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:clamp(16px,2vw,24px);margin-top:clamp(36px,4vw,56px);
}
.pos-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(24px,2.4vw,34px);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  position:relative;overflow:hidden;
}
.pos-card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:0;
  background:var(--green);transition:height .35s ease;
}
.pos-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);border-color:var(--green-line)}
.pos-card:hover::before{height:100%}
.pos-card .ic{
  width:46px;height:46px;border-radius:12px;flex:none;
  display:grid;place-items:center;background:var(--green-glass);
  color:var(--green-deep);
}
.pos-card .ic svg{width:22px;height:22px}
.pos-card h3{font-size:clamp(17px,1.6vw,21px);letter-spacing:-.01em;color:var(--text)}
.pos-card p{font-size:14px;color:var(--text-2);line-height:1.85}
.pos-card .ic{color:var(--green)}
.pos-card .tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:6px}
.pos-card .tags span{
  font-size:11.5px;padding:3px 10px;border-radius:999px;
  background:rgba(17,191,138,.08);color:var(--green-deep);border:1px solid rgba(17,191,138,.18);
}

/* 数字强调条 */
.quote-bar{
  margin-top:clamp(36px,4vw,56px);padding:clamp(24px,3vw,40px);
  border-radius:var(--radius);background:var(--ink-2);color:#fff;
  display:flex;align-items:center;gap:clamp(20px,3vw,44px);flex-wrap:wrap;
}
.quote-bar .q{font-size:clamp(16px,1.7vw,21px);font-weight:600;line-height:1.7;flex:1 1 340px}
.quote-bar .q em{font-style:normal;color:var(--green-bright)}
.quote-bar .facts{display:flex;gap:clamp(24px,3vw,48px);flex-wrap:wrap}
.quote-bar .fact .n{font-family:var(--font-num);font-size:clamp(22px,2.4vw,32px);font-weight:800;line-height:1}
.quote-bar .fact .n .sym{font-size:.55em;color:var(--green-bright)}
.quote-bar .fact .t{font-size:12px;color:var(--muted-dark);margin-top:4px}

/* ---------- 9. 五层架构 ---------- */
.arch{margin-top:clamp(40px,5vw,64px);display:flex;flex-direction:column;gap:0}
.arch-layer{
  position:relative;border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background:linear-gradient(100deg,rgba(17,191,138,.10),rgba(255,255,255,.03));
  padding:clamp(20px,2.4vw,30px) clamp(20px,2.6vw,34px);
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:clamp(16px,2vw,32px);
  align-items:center;
  transition:border-color .3s ease,background .3s ease;
}
.arch-layer:hover{border-color:var(--green-line);background:linear-gradient(100deg,rgba(17,191,138,.16),rgba(255,255,255,.04))}
.arch-layer .lname{
  display:flex;flex-direction:column;gap:6px;
}
.arch-layer .lname b{font-size:clamp(16px,1.5vw,19px);color:#fff;letter-spacing:.02em}
.arch-layer .lname span{font-size:11px;letter-spacing:.14em;color:var(--green);text-transform:uppercase}
.arch-layer .litems{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);
  font-size:12.5px;color:rgba(255,255,255,.86);line-height:1.5;
}
.chip img{width:17px;height:17px;object-fit:contain}
.chip.is-brand{
  border-color:var(--green);background:rgba(17,191,138,.16);
  color:var(--green-bright);font-weight:600;
}
.arch-flow{
  display:flex;align-items:center;justify-content:center;gap:clamp(12px,2vw,28px);
  padding:9px 0;flex-wrap:wrap;
}
.arch-flow span{
  font-size:11px;letter-spacing:.12em;color:var(--muted-dark);
  display:inline-flex;align-items:center;gap:5px;
}
.arch-flow .up{color:var(--green-bright)}
.arch-flow .dn{color:#FFB27A}
.arch-flow .arw{font-size:12px;opacity:.85}

/* ---------- 10. 客户 logo 墙 ---------- */
.clients{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  margin-top:clamp(32px,4vw,52px);
}
.client{
  background:var(--paper);padding:clamp(20px,2.4vw,30px) clamp(14px,1.6vw,22px);
  display:flex;flex-direction:column;align-items:center;gap:12px;
  transition:background .3s ease;
}
.client:hover{background:#FCFBF7}
.client .lg{
  width:clamp(52px,5vw,66px);height:clamp(52px,5vw,66px);
  display:grid;place-items:center;flex:none;
}
.client .lg img{width:100%;height:100%;object-fit:contain}
.client .nm{font-size:13.5px;color:var(--text);font-weight:500;letter-spacing:.02em}
.client-more{
  margin-top:22px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.client-more b{color:var(--text-2);font-weight:600}
.client-more .dots{display:flex;gap:8px;flex-wrap:wrap}
.client-more .dots span{padding:3px 11px;border-radius:999px;background:rgba(12,25,23,.05)}

/* ---------- 11. 城市地图 ---------- */
.map-wrap{
  margin-top:clamp(32px,4vw,52px);
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:clamp(24px,3vw,48px);align-items:center;
}
.map-canvas{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:var(--ink-2);border:1px solid var(--line-dark);
  padding:clamp(10px,1.4vw,18px);
}
.map-canvas img{width:100%;height:auto;display:block}
.map-side{display:flex;flex-direction:column;gap:22px}
.map-big{display:flex;align-items:flex-end;gap:8px}
.map-big .n{font-family:var(--font-num);font-size:clamp(48px,6vw,76px);font-weight:800;line-height:.92;letter-spacing:-.03em;color:#fff}
.map-big .u{font-size:15px;color:var(--muted-dark);padding-bottom:8px}
.map-big-t{font-size:14px;color:var(--muted-dark);margin-top:-6px}
.legend{display:flex;flex-direction:column;gap:12px;border-top:1px solid var(--line-dark);padding-top:20px}
.legend-row{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.78)}
.legend-row .dot{width:11px;height:11px;border-radius:50%;flex:none}
.legend-row .num{margin-left:auto;font-family:var(--font-num);font-weight:700;color:#fff;font-size:14px}
.legend-note{font-size:11.5px;color:var(--muted-dark);line-height:1.8}

/* ---------- 12. 团队 ---------- */
.team-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);margin-top:clamp(36px,4vw,56px);
}
.member{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.member:hover{transform:translateY(-4px);box-shadow:var(--shadow-1)}
.member-body{padding:clamp(26px,3vw,42px);display:flex;flex-direction:column;gap:16px;flex:1}
.member-role{
  font-size:11px;letter-spacing:.2em;color:var(--green-deep);text-transform:uppercase;
}
.member-name{
  font-size:clamp(30px,3.6vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1;
}
.member-title{font-size:14px;color:var(--text-2);margin-top:2px}
.member-rule{width:56px;height:3px;background:var(--green);border-radius:3px}
.member-list{display:flex;flex-direction:column;gap:9px}
.member-list li{
  position:relative;padding-left:16px;font-size:13.5px;color:var(--text-2);line-height:1.7;
}
.member-list li::before{
  content:"";position:absolute;left:0;top:.65em;width:5px;height:5px;
  border-radius:50%;background:var(--green);opacity:.85;
}
.member-photo{
  position:relative;background:linear-gradient(180deg,#EFE9DC,#F7F3EA);
  display:flex;align-items:flex-end;justify-content:center;
  padding:clamp(16px,2vw,28px) clamp(16px,2vw,28px) 0;
  min-height:clamp(280px,30vw,420px);
}
.member-photo img{
  width:auto;max-width:100%;height:clamp(260px,28vw,400px);
  object-fit:contain;object-position:bottom center;
  filter:drop-shadow(0 18px 30px rgba(12,25,23,.16));
}
.member-photo.is-placeholder{
  align-items:center;justify-content:center;flex-direction:column;gap:12px;
  background:repeating-linear-gradient(135deg,#F1EDE3,#F1EDE3 10px,#EDE8DC 10px,#EDE8DC 20px);
}
.member-photo.is-placeholder .sil{
  width:clamp(110px,12vw,150px);height:clamp(110px,12vw,150px);border-radius:50%;
  background:#DCD6C8;position:relative;overflow:hidden;
}
.member-photo.is-placeholder .sil::before{
  content:"";position:absolute;left:50%;top:26%;transform:translateX(-50%);
  width:38%;height:38%;border-radius:50%;background:#C6BFB0;
}
.member-photo.is-placeholder .sil::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:74%;height:44%;border-radius:50% 50% 0 0;background:#C6BFB0;
}
.member-photo.is-placeholder .ph-txt{font-size:12px;color:var(--muted);letter-spacing:.08em}
.member-note{font-size:11.5px;color:var(--muted);line-height:1.8;border-top:1px dashed var(--line);padding-top:12px}

/* ---------- 13. 时间轴 ---------- */
.timeline{
  --tl-top:clamp(104px,11vw,132px);
  --tl-dot:28px;
  --tl-bot:clamp(104px,11vw,132px);
  position:relative;margin-top:clamp(44px,5vw,72px);
}
.tl-line{
  position:absolute;left:0;right:0;
  top:calc(var(--tl-top) + var(--tl-dot)/2);
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(17,191,138,.42) 10%,rgba(17,191,138,.62) 50%,rgba(17,191,138,.42) 90%,transparent);
}
.tl-grid{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));
  gap:clamp(8px,1.4vw,20px);position:relative;
}
.tl-item{
  display:grid;
  grid-template-rows:var(--tl-top) var(--tl-dot) var(--tl-bot);
  justify-items:center;align-items:center;
}
.tl-item.is-up .tl-card{grid-row:1;align-self:end;padding-bottom:16px}
.tl-item.is-down .tl-card{grid-row:3;align-self:start;padding-top:16px}
.tl-item .tl-dotwrap{grid-row:2}
.tl-card{
  display:flex;flex-direction:column;align-items:center;gap:7px;text-align:center;
}
.tl-year{
  font-family:var(--font-num);font-size:clamp(21px,2.3vw,32px);font-weight:800;
  color:#fff;letter-spacing:-.02em;line-height:1;
}
.tl-dotwrap{
  position:relative;width:100%;height:var(--tl-dot);
  display:flex;align-items:center;justify-content:center;
}
.tl-dot{
  width:13px;height:13px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 5px rgba(17,191,138,.14),0 0 22px rgba(17,191,138,.6);
  position:relative;z-index:2;
}
.tl-dot-ring{
  position:absolute;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(17,191,138,.28);left:50%;top:50%;
  transform:translate(-50%,-50%);
}
.tl-txt{
  font-size:clamp(11.5px,1.05vw,13.5px);color:var(--muted-dark);
  line-height:1.6;max-width:100%;text-wrap:pretty;
}

/* ---------- 14. 联系方式 ---------- */
.contact{
  background:var(--ink);color:#fff;position:relative;overflow:hidden;
  padding:clamp(64px,8vw,120px) 0;
}
.contact::before{
  content:"";position:absolute;right:-10%;top:-30%;
  width:70vw;height:70vw;border-radius:50%;
  background:radial-gradient(50% 50% at 50% 50%,rgba(17,191,138,.22),transparent 70%);
  pointer-events:none;
}
.contact-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(32px,5vw,80px);align-items:center}
.contact h2{font-size:clamp(30px,4vw,54px);line-height:1.2;letter-spacing:-.02em;margin-top:20px}
.contact .lead{color:var(--muted-dark);margin-top:22px}
.contact-slogan{
  margin-top:clamp(30px,3.4vw,44px);
  font-size:clamp(17px,1.8vw,22px);font-weight:600;line-height:1.7;
  color:var(--green-bright);letter-spacing:.04em;
}
.contact-card{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-l);padding:clamp(26px,3vw,40px);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.contact-card dl{margin:0;display:grid;gap:0}
.crow{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);
}
.crow:last-child{border-bottom:0;padding-bottom:0}
.crow dt{font-size:12px;letter-spacing:.14em;color:var(--muted-dark);text-transform:uppercase;flex:none}
.crow dd{margin:0;font-size:clamp(14px,1.4vw,16.5px);color:#fff;text-align:right;letter-spacing:.01em}
.crow dd.is-todo{color:var(--muted-dark);font-size:13px}
.crow dd a{color:#fff;border-bottom:1px solid rgba(17,191,138,.5);padding-bottom:1px;transition:color .2s}
.crow dd a:hover{color:var(--green-bright)}
.contact-name{font-size:clamp(19px,2vw,24px);font-weight:700;color:#fff}
.contact-name .role{display:block;font-size:12px;font-weight:500;color:var(--green-bright);letter-spacing:.14em;margin-top:3px}

/* ---------- 15. 页脚 ---------- */
.footer{background:var(--ink-1);color:var(--muted-dark);padding:clamp(44px,5vw,64px) 0 34px;border-top:1px solid rgba(255,255,255,.08)}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand{display:flex;flex-direction:column;gap:12px;max-width:340px}
.footer-brand img{height:200px;width:200px}
.footer-brand p{font-size:13px;line-height:1.9}
.footer-cols{display:flex;gap:clamp(32px,6vw,88px);flex-wrap:wrap}
.footer-col h4{font-size:12.5px;color:#fff;letter-spacing:.1em;margin-bottom:14px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col li a,.footer-col li{font-size:13px;color:var(--muted-dark);transition:color .2s}
.footer-col li a:hover{color:var(--green-bright)}
.footer-bot{margin-top:26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#6B827D}

/* ---------- 16. 滚动入场 ---------- */
[data-rev]{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
[data-rev].is-in{opacity:1;transform:none}
[data-rev][data-rev="2"]{transition-delay:.08s}
[data-rev][data-rev="3"]{transition-delay:.16s}
[data-rev][data-rev="4"]{transition-delay:.24s}
[data-rev][data-rev="5"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  [data-rev]{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .btn:hover,.pos-card:hover,.member:hover{transform:none}
}


/* ---------- 17. 响应式：按断点逐级收敛 ---------- */
/* 大屏微调：1440 以上略放宽阅读宽度 */
@media (min-width:1440px){
  :root{--wrap:1320px}
}

/* ≤1180：hero 双栏收窄 */
@media (max-width:1180px){
  .hero-inner{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:32px}
  .stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .arch-layer{grid-template-columns:130px minmax(0,1fr)}
}

/* ≤1024：平板横屏 —— 地图侧栏改横排，团队仍双列 */
@media (max-width:1024px){
  :root{--nav-h:66px}
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 40px) 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-copy{max-width:none}
  .hero-art{max-width:520px;margin:0 auto;width:100%;aspect-ratio:1/1}
  .hero-scroll{display:none}
  .hero-meta{border-top:1px solid rgba(255,255,255,.1)}
  .map-wrap{grid-template-columns:1fr;gap:22px}
  .map-side{flex-direction:row;align-items:center;gap:32px;flex-wrap:wrap}
  .map-side .legend{flex:1 1 260px;border-top:0;padding-top:0;border-left:1px solid var(--line-dark);padding-left:26px}
  .tl-grid{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:44px}
  .tl-line{display:none}
  .tl-item{grid-template-rows:auto var(--tl-dot) auto}
  .tl-item.is-up .tl-card,.tl-item.is-down .tl-card{grid-row:1;align-self:end;padding:0 0 14px}
  .member-photo{min-height:300px}
  .contact-inner{grid-template-columns:1fr;gap:36px}
}

/* ≤860：手机横屏 / 小平板 —— 团队与客户改两列 */
@media (max-width:860px){
  .section{padding:clamp(52px,9vw,72px) 0}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .clients{grid-template-columns:repeat(2,minmax(0,1fr))}
  .team-grid{grid-template-columns:1fr;gap:20px}
  .arch-layer{grid-template-columns:1fr;gap:14px}
  .arch-layer .lname{flex-direction:row;align-items:baseline;gap:10px;flex-wrap:wrap}
  .personal-row{grid-template-columns:1fr}
  .pos-grid{grid-template-columns:1fr}
  .quote-bar{flex-direction:column;align-items:flex-start;gap:20px}
  .head-split{flex-direction:column;align-items:flex-start}
  .head-split > :first-child{flex:0 0 auto;width:100%}
  .head-split .lead{flex:0 0 auto;width:100%;margin-top:16px}
}

/* ≤640：手机竖屏 */
@media (max-width:640px){
  :root{--gutter:20px;--nav-h:62px}
  body{font-size:15px}
  .brand img{height:32px}
  .brand-name{font-size:14.5px}
  .brand-sub{font-size:9px;letter-spacing:.2em}
  .hero{padding:calc(var(--nav-h) + 32px) 0 46px}
  .hero-title{font-size:clamp(34px,10.5vw,46px);line-height:1.12}
  .hero-title .ln-2{
    background-image:linear-gradient(96deg,#fff 20%,var(--green-bright) 100%);
    -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  }
  .hero-tag{font-size:13px;padding-bottom:12px}
  .hero-sub{font-size:14.5px;line-height:1.9;margin-top:20px}
  .hero-acts{gap:10px;margin-top:28px}
  .hero-acts .btn{flex:1 1 100%;height:50px;padding:0 22px;font-size:14.5px}
  .hero-meta{gap:18px 26px;padding-top:22px;margin-top:32px}
  .hero-meta-item .n{font-size:23px}
  .hero-meta-item .t{font-size:11.5px}
  .hero-art{max-width:100%;margin-top:-8px}
  .hero-scroll{display:none}

  .stats{padding:34px 0}
  .stats-head h2{font-size:19px}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{padding:18px 16px}
  .stat .v{font-size:26px}
  .stat .k{font-size:12px}

  .h2{font-size:clamp(23px,6.6vw,30px);line-height:1.3;margin-top:14px}
  .lead{font-size:14.5px;line-height:1.9;margin-top:14px}
  .eyebrow{font-size:11px;letter-spacing:.18em}

  .pos-card{padding:22px 20px;gap:12px}
  .pos-card h3{font-size:17px}
  .pos-card p{font-size:13.5px}
  .arch-layer{padding:18px 16px}
  .chip{font-size:11.5px;padding:5px 11px}
  .chip img{width:15px;height:15px}
  .arch-flow{gap:8px 12px;padding:8px 0}
  .arch-flow span{font-size:10px;letter-spacing:.06em}

  .clients{grid-template-columns:repeat(2,minmax(0,1fr))}
  .client{padding:18px 12px;gap:9px}
  .client .lg{width:48px;height:48px}
  .client .nm{font-size:12px}
  .client-more{font-size:12px}

  .map-side{flex-direction:column;align-items:flex-start;gap:16px}
  .map-side .legend{width:100%;border-left:0;padding-left:0;border-top:1px solid var(--line-dark);padding-top:18px}
  .map-big .n{font-size:52px}

  .team-grid{gap:18px}
  .member-body{padding:22px 20px;gap:13px}
  .member-name{font-size:30px}
  .member-list li{font-size:13px}
  .member-photo{min-height:250px;padding:14px 16px 0}
  .member-photo img{height:250px}

  .tl-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:32px}
  .tl-year{font-size:24px}
  .tl-txt{font-size:12.5px;max-width:20ch}

  .contact{padding:56px 0}
  .contact h2{font-size:clamp(26px,7.4vw,34px)}
  .contact-card{padding:22px 20px}
  .crow{flex-direction:column;align-items:flex-start;gap:6px;padding:14px 0}
  .crow dd{text-align:left;font-size:15px}

  .footer{padding:36px 0 26px}
  .footer-top{gap:28px}
  .footer-cols{gap:28px 40px;width:100%}
  .footer-col{flex:1 1 40%}
  .btn{height:48px;padding:0 24px;font-size:14.5px}
  .drawer{padding-left:20px;padding-right:20px}
  .drawer-link{font-size:17px;padding:14px 0}
}

/* ≤380：极小屏兜底 */
@media (max-width:380px){
  .hero-title{font-size:31px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat .v{font-size:23px}
  .tl-grid{grid-template-columns:1fr}
  .tl-item.is-up,.tl-item.is-down{flex-direction:column}
  .brand-sub{display:none}
}

/* 横屏手机：降低 hero 高度依赖 */
@media (max-height:520px) and (orientation:landscape){
  .hero{min-height:auto;padding-top:calc(var(--nav-h) + 24px);padding-bottom:36px}
  .hero-art{max-width:280px}
}

/* ---------- 18. 打印 ---------- */
@media print{
  .nav,.drawer,.hero-scroll,.footer,.contact{display:none}
  .section{padding:24px 0;break-inside:avoid}
  [data-rev]{opacity:1;transform:none}
  body{background:#fff}
}

/* ---------- 五项能力：PC 五列 / 平板两列 / 手机一列 ---------- */
.pos-grid--five{grid-template-columns:repeat(5,minmax(0,1fr))}
.pos-grid--five .pos-card{padding:clamp(22px,1.9vw,30px)}
.pos-grid--five .pos-card h3{font-size:clamp(16px,1.35vw,19px)}
.pos-grid--five .pos-card p{font-size:14.5px;line-height:1.85}
@media (max-width:1180px){
  .pos-grid--five{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:860px){
  .pos-grid--five{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .pos-grid--five{grid-template-columns:1fr}
}