/* =====================================================
   爱百搜 AiBaiSou · AIGEO 代运营官网
   版式参照 maidouai.com 设计语言，内容为爱百搜自有
   ===================================================== */
:root{
  --blue:#165DFF;
  --blue-deep:#0E42D2;
  --purple:#722ED1;
  --grad:linear-gradient(135deg,#165DFF 0%,#722ED1 100%);
  --ink:#1D2129;
  --sub:#4E5969;
  --muted:#86909C;
  --light:#F7F8FC;
  --line:#E5E6EB;
  --card:#FFFFFF;
  --green:#00B42A;
  --orange:#FF7D00;
  --shadow:0 10px 30px -5px rgba(29,33,41,.10);
  --shadow-lg:0 24px 60px -12px rgba(22,93,255,.18);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",sans-serif;
  color:var(--ink);background:#fff;line-height:1.75;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 通用 ---------- */
.tagline{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:2px;color:var(--blue);
  background:rgba(22,93,255,.08);border:1px solid rgba(22,93,255,.18);
  padding:5px 14px;border-radius:999px;margin-bottom:18px;
}
.tagline::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}
h1,h2,h3{line-height:1.3;font-weight:700}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-head .tagline{margin-bottom:16px}
.sec-head h2{font-size:34px;margin-bottom:14px;letter-spacing:-.5px}
.sec-head p{color:var(--sub);font-size:16.5px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;border-radius:999px;cursor:pointer;
  padding:13px 30px;border:none;transition:all .3s cubic-bezier(.4,0,.2,1);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px -6px rgba(22,93,255,.45)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px -6px rgba(22,93,255,.5)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-white{background:#fff;color:var(--blue)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 26px -8px rgba(0,0,0,.25)}
.btn-outline-w{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-outline-w:hover{background:rgba(255,255,255,.12)}

/* 进场动画（仅在 JS 可用时启用隐藏，保证无 JS 也能看到内容） */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ---------- 导航 ---------- */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.95);backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:box-shadow .3s;
}
.navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:15px;color:var(--sub);font-weight:500;transition:color .2s;position:relative}
.nav-links a:hover{color:var(--blue)}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:var(--grad);transition:width .25s;border-radius:2px;
}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .btn{padding:9px 22px;font-size:14.5px}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.3s}
.mobile-menu{display:none}

/* ---------- Hero ---------- */
.hero{
  padding:150px 0 90px;
  background:linear-gradient(180deg,rgba(247,248,252,.9) 0%,#fff 100%);
  overflow:hidden;position:relative;
}
.hero::before{
  content:"";position:absolute;top:-180px;right:-120px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(114,46,209,.10),transparent 65%);border-radius:50%;
}
.hero::after{
  content:"";position:absolute;top:60px;left:-160px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(22,93,255,.10),transparent 65%);border-radius:50%;
}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:48px;letter-spacing:-1px;margin-bottom:20px}
.hero .lead{color:var(--sub);font-size:17px;max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.hero-trust{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:13.5px;flex-wrap:wrap}
.hero-trust .score{display:flex;align-items:center;gap:6px;color:var(--orange);font-weight:700;font-size:15px}
.hero-trust .div{width:1px;height:16px;background:var(--line)}
.hero-visual{position:relative}
.dash{
  background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);
  border:1px solid var(--line);overflow:hidden;
}
.dash-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid #F0F1F5;background:#FAFBFD}
.dash-bar i{width:11px;height:11px;border-radius:50%;display:block}
.dash-bar i:nth-child(1){background:#FF5F57}.dash-bar i:nth-child(2){background:#FEBC2E}.dash-bar i:nth-child(3){background:#28C840}
.dash-bar b{margin-left:8px;font-size:12px;color:var(--muted);font-weight:500}
.dash-body{display:grid;grid-template-columns:150px 1fr;min-height:330px}
.dash-side{border-right:1px solid #F0F1F5;padding:16px 12px;background:#FBFCFE}
.dash-side .mi{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--sub);padding:8px 10px;border-radius:8px;margin-bottom:4px}
.dash-side .mi.on{background:rgba(22,93,255,.08);color:var(--blue);font-weight:600}
.dash-side .mi i{width:7px;height:7px;border-radius:2px;background:currentColor;opacity:.55;flex:none}
.dash-main{padding:16px}
.dash-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.kpi{border:1px solid #F0F1F5;border-radius:10px;padding:10px 12px}
.kpi small{display:block;color:var(--muted);font-size:11px;margin-bottom:2px}
.kpi b{font-size:19px;letter-spacing:-.5px}
.kpi em{font-style:normal;font-size:11px;font-weight:700;margin-left:4px}
.kpi em.up{color:var(--green)}
.dash-chart{border:1px solid #F0F1F5;border-radius:10px;padding:10px}
.dash-chart .cap{display:flex;justify-content:space-between;align-items:center;font-size:11.5px;color:var(--muted);margin-bottom:6px}
.dash-chart .cap b{color:var(--ink);font-size:12.5px}
.dash-chart canvas{width:100%;height:120px;display:block}
.float-chip{
  position:absolute;background:#fff;border-radius:12px;box-shadow:var(--shadow);
  border:1px solid var(--line);padding:10px 16px;display:flex;align-items:center;gap:10px;
  animation:floaty 5s ease-in-out infinite;
}
.float-chip .ic{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;flex:none}
.float-chip small{display:block;font-size:11px;color:var(--muted);line-height:1.4}
.float-chip b{font-size:14.5px;line-height:1.3}
.chip-a{top:-18px;right:-14px}
.chip-b{bottom:-20px;left:-22px;animation-delay:1.6s}
.chip-a .ic{background:rgba(22,93,255,.1);color:var(--blue)}
.chip-b .ic{background:rgba(114,46,209,.1);color:var(--purple)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- 什么是AIGEO ---------- */
.what{padding:88px 0;background:#fff}
.def-box{
  max-width:880px;margin:0 auto 44px;text-align:center;color:var(--sub);
  font-size:16.5px;background:var(--light);border-radius:16px;padding:26px 34px;
  border:1px solid #EEF0F6;
}
.def-box b{color:var(--ink)}
.tri-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tri-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;transition:all .3s;
}
.tri-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.tri-card .ic{
  width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.tri-card h3{font-size:18px;margin-bottom:10px}
.tri-card p{color:var(--sub);font-size:14.5px}
.tri-card .vs{
  display:flex;align-items:center;gap:8px;margin:12px 0 8px;font-size:13px;
}
.tri-card .vs span{padding:4px 10px;border-radius:6px;font-weight:600}
.tri-card .vs .old{background:#F2F3F5;color:var(--muted);text-decoration:line-through}
.tri-card .vs .new{background:rgba(22,93,255,.1);color:var(--blue)}
.tri-card .vs em{font-style:normal;color:var(--muted)}
.ic-blue{background:rgba(22,93,255,.1);color:var(--blue)}
.ic-purple{background:rgba(114,46,209,.1);color:var(--purple)}
.ic-green{background:rgba(0,180,42,.1);color:var(--green)}
.ic-orange{background:rgba(255,125,0,.1);color:var(--orange)}
.ic-teal{background:rgba(19,194,194,.12);color:#13C2C2}
.ic-red{background:rgba(245,63,63,.1);color:#F53F3F}

/* ---------- 为什么做 ---------- */
.why{padding:88px 0;background:var(--light)}
.why-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.why-copy h2{font-size:30px;margin-bottom:20px;letter-spacing:-.5px}
.why-copy p{color:var(--sub);margin-bottom:14px}
.why-copy p b{color:var(--ink)}
.why-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.wstat{
  background:#fff;border-radius:16px;padding:26px 10px;text-align:center;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.wstat b{display:block;font-size:34px;letter-spacing:-1px;margin-bottom:4px}
.wstat span{color:var(--sub);font-size:13.5px}

/* ---------- 核心服务 ---------- */
.services{padding:96px 0;background:#fff}
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:34px 32px;transition:all .35s;position:relative;overflow:hidden;
}
.svc-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);opacity:0;transition:opacity .3s;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.svc-card:hover::before{opacity:1}
.svc-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.svc-top .ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;flex:none}
.svc-top h3{font-size:19px}
.svc-top small{display:block;color:var(--muted);font-weight:400;font-size:13px;margin-top:2px}
.svc-card>p{color:var(--sub);font-size:14.5px;margin-bottom:18px}
.svc-list{display:grid;grid-template-columns:1fr 1fr;gap:9px 14px}
.svc-list li{
  font-size:13.5px;color:var(--sub);display:flex;align-items:center;gap:8px;
}
.svc-list li::before{
  content:"";width:14px;height:14px;flex:none;border-radius:50%;
  background:rgba(22,93,255,.1) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path d="M4 8.5l3 3 5-6" fill="none" stroke="%23165DFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>') center/9px no-repeat;
}

/* ---------- 数据看板 ---------- */
.board{padding:96px 0;background:linear-gradient(180deg,var(--light) 0%,#fff 100%)}
.board-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center}
.board-visual .dash{box-shadow:var(--shadow-lg)}
.board-copy .tagline{margin-bottom:14px}
.board-copy h2{font-size:32px;margin-bottom:16px;letter-spacing:-.5px}
.board-copy>p{color:var(--sub);margin-bottom:28px}
.feat-row{display:flex;gap:16px;padding:15px 0;border-bottom:1px dashed var(--line)}
.feat-row:last-of-type{border-bottom:none}
.feat-row .ic{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;flex:none}
.feat-row h4{font-size:15.5px;margin-bottom:2px}
.feat-row p{font-size:13.5px;color:var(--sub)}
.board-cta{margin-top:26px}

/* ---------- 数据带 ---------- */
.stats{padding:56px 0;background:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;text-align:center}
.stat b{font-size:30px;letter-spacing:-1px;display:block;margin-bottom:2px}
.stat span{color:var(--sub);font-size:13px}
.stat small{display:block;color:var(--muted);font-size:11.5px;margin-top:2px}

/* ---------- 客户案例 ---------- */
.testimonials{padding:96px 0;background:#fff}
.tst-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:56px}
.tst-card{
  background:var(--light);border-radius:18px;padding:30px 28px;
  border:1px solid #EEF0F6;transition:all .3s;display:flex;flex-direction:column;
}
.tst-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);background:#fff}
.tst-stars{color:var(--orange);letter-spacing:2px;font-size:14px;margin-bottom:14px}
.tst-card p{color:var(--sub);font-size:14.5px;flex:1;margin-bottom:22px}
.tst-who{display:flex;align-items:center;gap:12px}
.avatar{
  width:46px;height:46px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:16px;
}
.tst-who b{font-size:14.5px;display:block;line-height:1.4}
.tst-who small{color:var(--muted);font-size:12.5px}
.tst-cta{
  background:var(--light);border:1px solid #EEF0F6;border-radius:18px;
  padding:36px 44px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.tst-cta h3{font-size:21px;margin-bottom:6px}
.tst-cta p{color:var(--sub);font-size:14.5px}

/* ---------- 行业洞察 ---------- */
.news{padding:96px 0;background:var(--light)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  transition:all .3s;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.news-cover{height:150px;position:relative;display:flex;align-items:center;justify-content:center}
.news-cover .glyph{font-size:52px;opacity:.9}
.news-cover .cat{
  position:absolute;top:12px;left:12px;font-size:11.5px;font-weight:600;
  background:rgba(255,255,255,.92);color:var(--blue);padding:3px 10px;border-radius:999px;
}
.news-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.news-body time{color:var(--muted);font-size:12px;margin-bottom:8px;display:block}
.news-body h3{font-size:16px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{color:var(--sub);font-size:13.5px;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body .more{color:var(--blue);font-size:13.5px;font-weight:600;margin-top:14px}
.news-more{text-align:center;margin-top:44px}

/* ---------- FAQ ---------- */
.faq{padding:96px 0;background:#fff}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:14px;margin-bottom:14px;
  background:#fff;overflow:hidden;transition:box-shadow .3s;
}
.faq-item[open]{box-shadow:var(--shadow);border-color:transparent}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:19px 24px;font-weight:600;font-size:15.5px;user-select:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .n{
  width:26px;height:26px;border-radius:8px;flex:none;
  background:rgba(22,93,255,.08);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;
}
.faq-item summary .arr{
  margin-left:auto;color:var(--muted);transition:transform .3s;flex:none;
}
.faq-item[open] summary .arr{transform:rotate(180deg);color:var(--blue)}
.faq-item .ans{padding:0 24px 20px 64px;color:var(--sub);font-size:14.5px}

/* ---------- CTA ---------- */
.cta{
  padding:88px 0;background:var(--grad);color:#fff;text-align:center;position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:rgba(255,255,255,.07);top:-180px;left:-120px;
}
.cta::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  background:rgba(255,255,255,.06);bottom:-200px;right:-100px;
}
.cta h2{font-size:36px;margin-bottom:14px;letter-spacing:-.5px;position:relative;z-index:1}
.cta p{opacity:.92;margin-bottom:34px;position:relative;z-index:1}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.cta small{display:block;margin-top:18px;opacity:.75;font-size:13px;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
footer{background:#17181C;color:#B8BDC9;padding:64px 0 28px}
.ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;margin-bottom:44px}
.ft-brand img{background:#fff;border-radius:8px;padding:6px 10px;height:38px;width:auto;margin-bottom:16px}
.ft-brand p{font-size:13.5px;line-height:1.8;max-width:300px}
footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
footer li{margin-bottom:10px}
footer a{font-size:13.5px;transition:color .2s}
footer a:hover{color:#fff}
.ft-contact li{display:flex;gap:10px;font-size:13.5px;align-items:flex-start}
.ft-contact .ic{width:18px;flex:none;margin-top:3px;opacity:.7}
.ft-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:22px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#7A8090;
}
.ft-bottom a{font-size:12.5px;color:#7A8090}
.ft-bottom a:hover{color:#fff}

/* ---------- 悬浮咨询 ---------- */
.float-contact{
  position:fixed;right:22px;bottom:26px;z-index:90;display:flex;flex-direction:column;gap:10px;
}
.fc-btn{
  width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:#fff;box-shadow:0 8px 24px rgba(29,33,41,.16);border:1px solid var(--line);
  color:var(--blue);transition:all .25s;
}
.fc-btn:hover{transform:translateY(-3px);color:#fff;background:var(--grad);border-color:transparent}
.fc-btn.wx{color:var(--green)}
.fc-btn.wx:hover{background:var(--green)}
.wx-pop{
  position:absolute;bottom:62px;right:0;width:190px;background:#fff;border-radius:14px;
  box-shadow:0 16px 40px rgba(29,33,41,.18);padding:16px;text-align:center;display:none;
  border:1px solid var(--line);
}
.wx-pop.show{display:block}
.wx-pop .qr{
  width:120px;height:120px;margin:0 auto 10px;border-radius:10px;background:var(--light);
  display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;
}
.wx-pop img.qr{border:1px solid var(--line);background:#fff;padding:5px;object-fit:cover}
.wx-pop b{font-size:13px;display:block}
.wx-pop span{font-size:12px;color:var(--muted)}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .hero h1{font-size:38px}
  .hero-grid,.why-grid,.board-grid{grid-template-columns:1fr;gap:44px}
  .board-visual{order:-1}
  .stats-grid{grid-template-columns:repeat(3,1fr);row-gap:28px}
  .ft-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links,.nav-cta .btn-ghost{display:none}
  .hamburger{display:block}
  .mobile-menu{
    display:none;position:fixed;top:68px;left:0;right:0;z-index:99;
    background:#fff;box-shadow:0 20px 40px rgba(0,0,0,.08);
    padding:10px 24px 22px;
  }
  .mobile-menu.open{display:block}
  .mobile-menu a{display:block;padding:13px 4px;border-bottom:1px solid #F2F3F5;font-weight:500}
  .mobile-menu .btn{width:100%;margin-top:14px}
  .hero{padding:118px 0 64px}
  .hero h1{font-size:31px}
  .tri-grid,.svc-grid,.tst-grid,.news-grid{grid-template-columns:1fr}
  .svc-list{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .sec-head h2{font-size:26px}
  .why-stats{grid-template-columns:repeat(3,1fr)}
  .wstat b{font-size:24px}
  .chip-a{right:2px}.chip-b{left:2px}
  .tst-cta{padding:28px 24px}
  .ft-grid{grid-template-columns:1fr;gap:30px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .float-chip{animation:none}
  .btn,.tri-card,.svc-card,.news-card,.tst-card,.fc-btn{transition:none}
}