/* ============================================================
   聚力智联 · 官网样式
   ============================================================ */

:root{
  --navy-900:#04121f;
  --navy-800:#061a2e;
  --navy-700:#0a2540;
  --navy-600:#0d2f4f;
  --blue:#1f6feb;
  --blue-600:#1a5fd0;
  --cyan:#22d3ee;
  --cyan-soft:#67e8f9;
  --amber:#f59e0b;

  --ink:#0d1b2a;
  --ink-2:#33475b;
  --muted:#63788e;
  --line:#e3eaf3;
  --bg:#ffffff;
  --bg-soft:#f5f8fc;
  --bg-soft-2:#eef4fb;

  --radius-s:10px;
  --radius:16px;
  --radius-l:22px;

  --shadow-s:0 2px 10px rgba(13,27,42,.05);
  --shadow:0 14px 40px rgba(13,27,42,.08);
  --shadow-l:0 30px 70px rgba(9,32,60,.16);

  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --maxw:1200px;
  --ease:cubic-bezier(.22,.85,.3,1);
}

*{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:1.72;
  font-size:16px;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 滚动进度 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  transition:width .1s linear;
}

/* ============================================================
   头部
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(4,18,31,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(4,18,31,.95);
  box-shadow:0 8px 30px rgba(2,10,20,.35);
}
.header-inner{display:flex;align-items:center;gap:26px;height:74px}

.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark svg{border-radius:11px;box-shadow:0 6px 18px rgba(31,111,235,.35)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{color:#fff;font-size:19px;letter-spacing:1.5px;font-weight:800}
.brand-text em{
  font-style:normal;font-size:9px;letter-spacing:1.4px;
  color:rgba(255,255,255,.5);font-weight:600;
}

.nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:block;padding:9px 14px;border-radius:8px;
  color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.active{color:#fff}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--blue));
}

.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue),#0ea5c9);
  color:#fff;font-size:14.5px;font-weight:700;letter-spacing:.3px;
  box-shadow:0 8px 22px rgba(31,111,235,.34);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(31,111,235,.45)}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
  background:rgba(255,255,255,.08);
}
.nav-toggle span{width:20px;height:2px;border-radius:2px;background:#fff;transition:.28s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================================
   按钮
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;font-size:15.5px;font-weight:700;
  letter-spacing:.3px;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),#0ea5c9);
  color:#fff;box-shadow:0 12px 30px rgba(31,111,235,.35);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(31,111,235,.45)}
.btn-ghost{
  color:#eaf4ff;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.05);
}
.btn-ghost:hover{background:rgba(255,255,255,.13);transform:translateY(-3px)}
.btn-block{width:100%;padding:15px 28px}

/* ============================================================
   Section 通用
   ============================================================ */
.section{padding:100px 0;position:relative}
.section-soft{background:var(--bg-soft)}
.section-dark{
  background:
    radial-gradient(900px 420px at 15% 0%,rgba(31,111,235,.22),transparent 60%),
    radial-gradient(700px 400px at 88% 100%,rgba(34,211,238,.14),transparent 62%),
    var(--navy-800);
  color:#e9f2fb;
}

.section-head{max-width:760px;margin-bottom:54px}
.section-head.light{color:#eaf4ff}
.tag{
  display:inline-block;padding:5px 14px;border-radius:999px;margin-bottom:18px;
  font-size:12.5px;font-weight:700;letter-spacing:2px;
  color:var(--blue);background:rgba(31,111,235,.09);
  border:1px solid rgba(31,111,235,.18);
}
.section-head.light .tag,.light-tag{
  color:var(--cyan-soft);background:rgba(34,211,238,.1);
  border-color:rgba(34,211,238,.26);
}
.section-head h2{
  font-size:clamp(26px,3.3vw,40px);line-height:1.32;font-weight:800;
  letter-spacing:-.4px;color:var(--ink);
}
.section-head.light h2{color:#fff}
.section-head h2 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--blue),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-head p{margin-top:16px;color:var(--muted);font-size:16.5px}
.section-head.light p{color:rgba(212,230,248,.78)}

/* ============================================================
   首屏
   ============================================================ */
.hero{
  position:relative;padding:150px 0 96px;overflow:hidden;
  background:var(--navy-800);color:#eaf4ff;
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:62px 62px;
  mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.glow-a{width:520px;height:520px;left:-140px;top:-160px;background:rgba(31,111,235,.5)}
.glow-b{width:440px;height:440px;right:-120px;top:40px;background:rgba(34,211,238,.32)}

.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:999px;margin-bottom:24px;
  font-size:13.5px;font-weight:600;letter-spacing:.4px;
  color:#bfe0ff;background:rgba(34,211,238,.09);
  border:1px solid rgba(34,211,238,.24);
}
.pulse-dot{
  width:8px;height:8px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 0 rgba(34,211,238,.7);animation:pulse 2s infinite;
}
.pulse-dot.small{width:7px;height:7px}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(34,211,238,.6)}
  70%{box-shadow:0 0 0 11px rgba(34,211,238,0)}
  100%{box-shadow:0 0 0 0 rgba(34,211,238,0)}
}

.hero h1{
  font-size:clamp(30px,4.5vw,54px);line-height:1.24;font-weight:800;
  letter-spacing:-.6px;color:#fff;
}
.hero h1 .grad{
  background:linear-gradient(100deg,#5eead4,#38bdf8 45%,#60a5fa);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{
  margin-top:22px;max-width:560px;font-size:17px;
  color:rgba(206,226,247,.82);
}
.hero-desc strong{color:#fff;font-weight:700}

.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:30px}
.hero-points li{
  display:flex;align-items:center;gap:8px;
  font-size:14.5px;color:rgba(199,222,245,.85);
}

/* 勾选图标（纯 CSS） */
i[data-icon="check"]{
  position:relative;display:inline-block;flex-shrink:0;
  width:18px;height:18px;border-radius:50%;
  background:linear-gradient(135deg,rgba(34,211,238,.22),rgba(31,111,235,.22));
  border:1px solid rgba(34,211,238,.45);
}
i[data-icon="check"]::after{
  content:"";position:absolute;left:5.5px;top:1.6px;
  width:5px;height:9px;border:solid var(--cyan);
  border-width:0 2px 2px 0;transform:rotate(42deg);
}

/* --- 右侧面板 --- */
.hero-visual{position:relative}
.panel{
  position:relative;border-radius:var(--radius-l);padding:16px;
  background:linear-gradient(160deg,rgba(255,255,255,.11),rgba(255,255,255,.035));
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 34px 80px rgba(2,10,22,.55);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.panel-head{display:flex;align-items:center;gap:7px;padding:2px 6px 12px}
.dot{width:9px;height:9px;border-radius:50%;opacity:.8}
.dot.r{background:#ff6b6b}.dot.y{background:#ffd166}.dot.g{background:#4ade80}
.panel-title{
  margin-left:8px;font-size:12.5px;font-weight:700;letter-spacing:.6px;
  color:rgba(220,238,255,.75);
}
.panel-live{
  margin-left:auto;display:flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:700;color:var(--cyan-soft);
}
.panel-body{
  border-radius:14px;background:rgba(3,14,26,.62);
  border:1px solid rgba(255,255,255,.07);padding:8px;
}
.topo{width:100%;height:auto}
.topo-flow .flow{
  stroke-dasharray:26 130;stroke-dashoffset:156;
  animation:dash 2.6s linear infinite;
}
.f2{animation-delay:.35s}.f3{animation-delay:.7s}
.f4{animation-delay:1.05s}.f5{animation-delay:1.4s}.f6{animation-delay:1.75s}
@keyframes dash{to{stroke-dashoffset:0}}
.topo-nodes circle{filter:drop-shadow(0 0 6px rgba(34,211,238,.35))}

.panel-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.panel-stats > div{
  text-align:center;padding:11px 6px;border-radius:11px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.07);
}
.panel-stats b{display:block;font-size:22px;font-weight:800;color:#fff;letter-spacing:-.5px}
.panel-stats b small{font-size:12px;font-weight:700;color:var(--cyan-soft);margin-left:1px}
.panel-stats span{font-size:11.5px;color:rgba(200,222,245,.66)}

.float-chip{
  position:absolute;display:flex;align-items:center;gap:7px;
  padding:9px 15px;border-radius:999px;
  font-size:13px;font-weight:700;color:#0b2a44;background:#fff;
  box-shadow:0 14px 34px rgba(3,12,24,.4);
  animation:float 5s ease-in-out infinite;
}
.float-chip svg{color:var(--blue)}
.chip-a{top:-16px;left:-22px}
.chip-b{bottom:-16px;right:-14px;animation-delay:1.6s}
.chip-b svg{color:#7c3aed}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* --- 数据条 --- */
.stat-bar{
  position:relative;z-index:2;margin-top:64px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  border-radius:var(--radius);overflow:hidden;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.12);
}
.stat{
  padding:26px 20px;text-align:center;
  background:rgba(6,26,46,.72);
}
.stat b{
  display:block;font-size:clamp(26px,3vw,38px);font-weight:800;
  letter-spacing:-1px;
  background:linear-gradient(120deg,#fff,#7dd3fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{font-size:13.5px;color:rgba(190,216,242,.72)}

/* ============================================================
   卡片网格
   ============================================================ */
.card-grid{display:grid;gap:22px}
.grid-5{grid-template-columns:repeat(3,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}

/* 业务卡 */
.biz-card{
  position:relative;padding:30px 24px 26px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  overflow:hidden;
}
.biz-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .38s var(--ease);
}
.biz-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:#cfe1f6}
.biz-card:hover::before{transform:scaleX(1)}
.biz-icon{
  width:50px;height:50px;border-radius:14px;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;color:var(--blue);
  background:linear-gradient(135deg,rgba(31,111,235,.11),rgba(34,211,238,.13));
}
.biz-icon svg{width:25px;height:25px}
.biz-card h3{font-size:19px;font-weight:800;margin-bottom:9px;color:var(--ink)}
.biz-card p{font-size:14.5px;color:var(--muted);line-height:1.72}
.biz-list{margin-top:16px;padding-top:15px;border-top:1px dashed var(--line)}
.biz-list li{
  position:relative;padding-left:15px;font-size:13.5px;color:var(--ink-2);
  margin-bottom:6px;
}
.biz-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:5px;height:5px;border-radius:50%;background:var(--cyan);
}

/* ============================================================
   流程时间轴
   ============================================================ */
.timeline{
  display:grid;grid-template-columns:repeat(7,1fr);gap:0;
  border-top:1px solid rgba(255,255,255,.14);padding-top:0;
}
.tl-item{
  position:relative;padding:34px 16px 0 0;
}
.tl-item::before{
  content:"";position:absolute;top:-5px;left:0;
  width:9px;height:9px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.16);
}
.tl-no{
  display:block;font-size:12px;font-weight:800;letter-spacing:1.6px;
  color:var(--cyan-soft);margin-bottom:10px;
}
.tl-item h3{font-size:16px;font-weight:800;color:#fff;margin-bottom:8px}
.tl-item p{font-size:13.3px;color:rgba(196,220,244,.72);line-height:1.66}

/* ============================================================
   产品中心
   ============================================================ */
.tabs{display:flex;gap:10px;margin-bottom:34px;flex-wrap:wrap}
.tab-btn{
  padding:11px 26px;border-radius:999px;font-size:15px;font-weight:700;
  color:var(--ink-2);background:#fff;border:1px solid var(--line);
  transition:.24s var(--ease);
}
.tab-btn:hover{border-color:#bcd7f5;color:var(--blue)}
.tab-btn.active{
  color:#fff;border-color:transparent;
  background:linear-gradient(135deg,var(--blue),#0ea5c9);
  box-shadow:0 10px 24px rgba(31,111,235,.3);
}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadeUp .45s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.prod-card{
  padding:26px 24px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.prod-thumb{
  width:100%;height:104px;border-radius:14px;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;color:var(--blue);
  background:
    radial-gradient(120px 60px at 50% 120%,rgba(34,211,238,.20),transparent 70%),
    var(--bg-soft-2);
  border:1px solid #dbe8f7;
}
.prod-thumb svg{width:54px;height:54px}
.prod-thumb.robot{color:#6d3fd4;background:
  radial-gradient(120px 60px at 50% 120%,rgba(124,58,237,.18),transparent 70%),#f4f1fd;
  border-color:#e4dcfb}
.prod-card h3{font-size:17.5px;font-weight:800;margin-bottom:8px}
.prod-card p{font-size:14.3px;color:var(--muted)}

/* ============================================================
   全流程托管
   ============================================================ */
.managed-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.managed-copy h2{
  font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.34;
  margin-bottom:18px;letter-spacing:-.4px;
}
.managed-copy > p{color:var(--muted);font-size:16.5px;margin-bottom:30px}
.check-list{display:grid;gap:18px;margin-bottom:34px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check-list i[data-icon="check"]{
  margin-top:5px;
  background:linear-gradient(135deg,rgba(31,111,235,.14),rgba(34,211,238,.16));
  border-color:rgba(31,111,235,.32);
}
.check-list i[data-icon="check"]::after{border-color:var(--blue)}
.check-list b{display:block;font-size:16px;font-weight:800;color:var(--ink)}
.check-list span{font-size:14.3px;color:var(--muted)}

.managed-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.m-card{
  padding:24px 22px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-s);position:relative;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.m-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.m-card:nth-child(2),.m-card:nth-child(4){margin-top:0}
.m-no{
  display:block;font-size:26px;font-weight:800;letter-spacing:-1px;
  background:linear-gradient(120deg,var(--blue),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:8px;
}
.m-card h3{font-size:16.5px;font-weight:800;margin-bottom:7px}
.m-card p{font-size:13.8px;color:var(--muted)}

/* ============================================================
   行业场景
   ============================================================ */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scene{
  padding:26px 22px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.scene::after{
  content:"";position:absolute;right:-40px;bottom:-40px;
  width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.16),transparent 68%);
  transition:transform .45s var(--ease);
}
.scene:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#cfe1f6}
.scene:hover::after{transform:scale(1.6)}
.scene h3{font-size:16.5px;font-weight:800;margin-bottom:8px}
.scene p{font-size:13.8px;color:var(--muted);position:relative;z-index:1}

/* ============================================================
   优势
   ============================================================ */
.adv-grid{gap:20px}
.adv-card{
  padding:28px 24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  border:1px solid rgba(255,255,255,.11);
  transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.adv-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.42)}
.adv-icon{
  width:46px;height:46px;border-radius:13px;margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;
  color:var(--cyan-soft);background:rgba(34,211,238,.12);
  border:1px solid rgba(34,211,238,.24);
}
.adv-icon svg{width:23px;height:23px}
.adv-card h3{font-size:17.5px;font-weight:800;color:#fff;margin-bottom:9px}
.adv-card p{font-size:14.2px;color:rgba(196,220,244,.74)}

/* ============================================================
   关于我们
   ============================================================ */
.about-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:start}
.about-copy .tag{margin-bottom:18px}
.about-copy h2{
  font-size:clamp(25px,3vw,36px);font-weight:800;line-height:1.36;
  margin-bottom:20px;letter-spacing:-.4px;
}
.about-copy h2 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--blue),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.about-copy > p{color:var(--muted);font-size:16.3px;margin-bottom:16px}
.about-copy b{color:var(--ink)}

.values{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:32px 0}
.values > div{
  padding:18px 14px;border-radius:14px;text-align:center;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);
}
.values b{
  display:block;font-size:20px;font-weight:800;margin-bottom:4px;
  background:linear-gradient(120deg,var(--blue),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.values span{font-size:12.5px;color:var(--muted)}
.slogan{
  display:inline-block;padding:10px 24px;border-radius:999px;margin-top:6px;
  font-size:16px;font-weight:800;letter-spacing:3px;color:var(--blue);
  background:rgba(31,111,235,.07);border:1px dashed rgba(31,111,235,.3);
}

.about-side{display:grid;gap:20px}
.side-card{
  padding:28px 26px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-s);
}
.side-card.accent{
  background:linear-gradient(155deg,var(--navy-700),var(--navy-600));
  border-color:transparent;color:#dceaf8;
}
.side-card h3{font-size:17.5px;font-weight:800;margin-bottom:16px}
.side-card.accent h3{color:#fff}
.side-card ul{display:grid;gap:11px}
.side-card li{
  position:relative;padding-left:20px;font-size:14.3px;color:var(--ink-2);
}
.side-card.accent li{color:rgba(214,232,249,.84)}
.side-card li::before{
  content:"";position:absolute;left:0;top:.7em;
  width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
}
.side-card.accent li::before{background:var(--cyan)}

/* ============================================================
   联系
   ============================================================ */
.section-contact{
  background:
    radial-gradient(800px 400px at 8% 0%,rgba(31,111,235,.24),transparent 60%),
    radial-gradient(700px 400px at 95% 100%,rgba(34,211,238,.16),transparent 62%),
    var(--navy-800);
  color:#e9f2fb;
}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-copy h2{
  font-size:clamp(24px,2.9vw,34px);font-weight:800;line-height:1.4;
  color:#fff;margin:18px 0 16px;letter-spacing:-.4px;
}
.contact-copy > p{color:rgba(200,222,245,.76);font-size:16.3px;margin-bottom:34px}

.contact-list{display:grid;gap:20px}
.contact-list li{display:flex;gap:15px;align-items:flex-start}
.ci{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  color:var(--cyan-soft);background:rgba(34,211,238,.1);
  border:1px solid rgba(34,211,238,.22);
}
.ci svg{width:20px;height:20px}
.contact-list b{display:block;font-size:13px;font-weight:700;color:rgba(180,208,236,.7);letter-spacing:.6px}
.contact-list a,.contact-list div > span{font-size:16.5px;font-weight:700;color:#fff}
.contact-list a:hover{color:var(--cyan-soft)}

.contact-form{
  padding:34px 32px;border-radius:var(--radius-l);
  background:rgba(255,255,255,.97);
  box-shadow:0 34px 80px rgba(2,10,22,.5);
}
.contact-form h3{font-size:20px;font-weight:800;margin-bottom:22px;color:var(--ink)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:block;margin-bottom:15px}
.field > span{
  display:block;font-size:13.2px;font-weight:700;color:var(--ink-2);margin-bottom:7px;
}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:11px;
  border:1px solid var(--line);background:var(--bg-soft);color:var(--ink);
  transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{resize:vertical;line-height:1.65}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--blue);
  box-shadow:0 0 0 4px rgba(31,111,235,.12);
}
.field input.err,.field select.err{border-color:#e5484d;box-shadow:0 0 0 4px rgba(229,72,77,.1)}
.contact-form .btn{margin-top:6px}
.form-tip{font-size:12.2px;color:var(--muted);margin-top:12px;text-align:center}
.form-ok{
  margin-top:16px;padding:16px 18px;border-radius:12px;
  background:rgba(34,197,94,.09);border:1px solid rgba(34,197,94,.3);
}
.form-ok b{display:block;color:#15803d;font-size:15px;margin-bottom:4px}
.form-ok span{font-size:13.3px;color:#3f6b52}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{background:var(--navy-900);color:rgba(196,220,244,.72);padding:66px 0 26px}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.09);
}
.f-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(180,207,235,.62)}
.f-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.6px}
.f-col ul{display:grid;gap:11px}
.f-col a,.f-contact li{font-size:14px;color:rgba(180,207,235,.68);transition:color .2s var(--ease)}
.f-col a:hover{color:var(--cyan-soft)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding-top:24px;font-size:13px;color:rgba(150,180,210,.55);
}

/* ============================================================
   悬浮操作
   ============================================================ */
.float-actions{
  position:fixed;right:22px;bottom:30px;z-index:90;
  display:flex;flex-direction:column;gap:12px;
}
.fab{
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#fff;background:var(--blue);
  box-shadow:0 12px 30px rgba(31,111,235,.4);
  transition:transform .24s var(--ease),opacity .3s var(--ease);
}
.fab:hover{transform:translateY(-4px) scale(1.05)}
.fab-call{background:linear-gradient(135deg,var(--blue),var(--cyan))}
.fab-top{opacity:0;pointer-events:none;background:rgba(13,47,79,.9)}
.fab-top.show{opacity:1;pointer-events:auto}

/* ============================================================
   滚动入场动画
   ============================================================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.08s}
.reveal-delay-2{transition-delay:.16s}
.reveal-delay-3{transition-delay:.24s}
.reveal-delay-4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .pulse-dot,.float-chip,.topo-flow .flow{animation:none}
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1180px){
  .grid-5{grid-template-columns:repeat(3,1fr)}
  .timeline{grid-template-columns:repeat(4,1fr);gap:26px 0;border-top:0}
  .tl-item{padding-top:26px}
  .tl-item::before{top:0}
  .scene-grid{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
}

@media (max-width:980px){
  .nav{display:none}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .header-inner{height:66px}

  .nav{
    position:fixed;top:66px;left:0;right:0;z-index:99;
    background:rgba(4,18,31,.98);
    border-top:1px solid rgba(255,255,255,.08);
    padding:12px 20px 22px;
    max-height:calc(100vh - 66px);overflow-y:auto;
  }
  .nav.open{display:block;animation:fadeUp .3s var(--ease)}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{padding:13px 6px;font-size:16px;border-radius:8px}
  .nav-link.active::after{left:6px;transform:none;width:18px}

  .hero{padding:118px 0 76px}
  .hero-inner{grid-template-columns:1fr;gap:46px}
  .chip-a{left:-6px}
  .chip-b{right:-4px}

  .managed-inner,.about-inner,.contact-inner{grid-template-columns:1fr;gap:44px}
  .m-card:nth-child(2),.m-card:nth-child(4){margin-top:0}
}

@media (max-width:760px){
  .section{padding:76px 0}
  .container{padding:0 18px}
  .grid-5,.grid-3,.scene-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .values{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .contact-form{padding:26px 20px}
  .field-row{grid-template-columns:1fr}
  .float-actions{right:14px;bottom:18px}
}

@media (max-width:520px){
  .grid-5,.grid-3,.scene-grid,.timeline,.managed-cards{grid-template-columns:1fr}
  .values{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr}
  .hero h1{font-size:29px}
  .hero-actions .btn{width:100%}
  .float-chip{font-size:12px;padding:8px 12px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}