*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:82px;background:#f4f7ff;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:#0b1230;
  line-height:1.72;
  background:#f4f7ff;
  -webkit-font-smoothing:antialiased;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(620px 420px at 8% -4%, rgba(91,43,255,.16), transparent 62%),
    radial-gradient(620px 420px at 96% 6%, rgba(0,194,209,.16), transparent 62%),
    radial-gradient(760px 520px at 50% 104%, rgba(255,47,154,.10), transparent 64%);
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,p{margin:0;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
main{position:relative;z-index:1;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(91,43,255,.12);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px;position:relative;}
.brand{display:inline-flex;align-items:center;flex:0 0 auto;}
.brand .ai-page-logo{max-height:38px;width:auto;}
.nav-links{display:flex;align-items:center;justify-content:center;gap:0;flex:1 1 auto;}
.nav-links a{
  display:block;
  padding:9px 11px;
  font-size:13.5px;
  font-weight:600;
  color:#25305a;
  text-decoration:none;
  border-radius:10px;
  white-space:nowrap;
  transition:color .22s ease, background .22s ease;
}
.nav-links a:hover{color:#4a20e0;background:linear-gradient(120deg,rgba(91,43,255,.10),rgba(0,194,209,.12));}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-cta{padding:10px 20px;font-size:13.5px;}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;
  height:42px;
  padding:0 11px;
  border-radius:12px;
  border:1px solid rgba(91,43,255,.22);
  background:#fff;
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#2a3457;transition:transform .28s ease, opacity .28s ease;}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-family:inherit;
  font-size:15px;
  font-weight:700;
  text-decoration:none;
  border:none;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}
.btn-primary{color:#fff;background:linear-gradient(118deg,#5b2bff 0%,#7a3cff 46%,#00c2d1 100%);box-shadow:0 10px 24px rgba(91,43,255,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(91,43,255,.36);}
.btn-primary:active{transform:translateY(0) scale(.985);}
.btn-ghost{color:#4a20e0;background:#fff;border:1.5px solid rgba(91,43,255,.28);}
.btn-ghost:hover{background:rgba(91,43,255,.06);transform:translateY(-2px);box-shadow:0 12px 26px rgba(91,43,255,.14);}

/* ============ 通用区块 ============ */
.section{padding:56px 0;position:relative;}
.sec-head{max-width:760px;margin:0 auto 38px;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  padding:6px 15px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:#4a20e0;
  background:linear-gradient(100deg,rgba(91,43,255,.10),rgba(0,194,209,.14));
  border:1px solid rgba(91,43,255,.16);
}
.sec-head h2{font-size:clamp(23px,3.2vw,34px);line-height:1.32;margin:16px 0 12px;letter-spacing:-.01em;color:#0b1230;}
.sec-head p{color:#5a6488;font-size:15px;}
.card{
  background:#fff;
  border:1px solid rgba(91,43,255,.12);
  border-radius:18px;
  padding:24px;
  box-shadow:0 10px 28px rgba(24,32,90,.06);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(91,43,255,.15);border-color:rgba(91,43,255,.28);}

/* ============ 首屏 ============ */
.hero{padding:44px 0 8px;overflow:hidden;}
.hero-inner{display:grid;gap:36px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  padding:6px 15px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.1em;
  color:#4a20e0;
  background:linear-gradient(100deg,rgba(91,43,255,.12),rgba(0,194,209,.16));
  border:1px solid rgba(91,43,255,.18);
}
.hero h1{
  font-size:clamp(28px,4.6vw,50px);
  line-height:1.2;
  letter-spacing:-.02em;
  margin:18px 0 16px;
  color:#0b1230;
}
.hero h1 .hl{position:relative;display:inline-block;color:#4a20e0;}
.hero h1 .hl::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:2px;
  height:9px;
  border-radius:6px;
  background:linear-gradient(90deg,rgba(91,43,255,.28),rgba(0,194,209,.32),rgba(255,47,154,.22));
  z-index:-1;
}
.hero-sub{font-size:15.5px;color:#4d5878;max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 20px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags li{
  font-size:12.5px;
  font-weight:600;
  color:#2a3457;
  padding:7px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid rgba(91,43,255,.14);
  box-shadow:0 6px 16px rgba(24,32,90,.05);
}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:240px;}
.hero-visual::before{
  content:"";
  position:absolute;
  width:260px;
  height:260px;
  border-radius:50%;
  background:conic-gradient(from 0deg,#5b2bff,#00c2d1,#ff2f9a,#5b2bff);
  filter:blur(48px);
  opacity:.34;
  animation:heroSpin 16s linear infinite;
}
@keyframes heroSpin{to{transform:rotate(360deg);}}
.hv-box{
  position:relative;
  width:100%;
  max-width:400px;
  padding:24px;
  border-radius:24px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(91,43,255,.20);
  box-shadow:0 24px 56px rgba(91,43,255,.16);
}
.hv-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.hv-pill{
  padding:13px 8px;
  border-radius:12px;
  text-align:center;
  font-size:13.5px;
  font-weight:700;
  color:#1c2545;
  background:linear-gradient(120deg,rgba(91,43,255,.09),rgba(0,194,209,.12));
  border:1px solid rgba(91,43,255,.14);
  transition:transform .28s ease, box-shadow .28s ease;
}
.hv-pill:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(91,43,255,.18);}

/* ============ 数据指标 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:36px;}
.stat{
  background:#fff;
  border:1px solid rgba(91,43,255,.12);
  border-radius:16px;
  padding:20px 18px;
  text-align:center;
  box-shadow:0 10px 26px rgba(24,32,90,.06);
  transition:transform .3s ease, box-shadow .3s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(91,43,255,.15);}
.stat strong{
  display:block;
  font-size:clamp(22px,3vw,30px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
  background:linear-gradient(110deg,#4a20e0,#00a8b8 65%,#ff2f9a);
  -webkit-background-clip:text;
  background-clip:text;
  color:#4a20e0;
}
.stat span{display:block;margin-top:6px;font-size:13px;color:#5a6488;font-weight:600;}

/* ============ 关于我们 ============ */
.about-grid{display:grid;gap:18px;grid-template-columns:1fr;}
.about-card h3{font-size:17px;margin-bottom:8px;color:#0b1230;}
.about-card p{font-size:14.5px;color:#5a6488;}
.about-lead{
  font-size:15px;
  color:#3b4468;
  background:linear-gradient(120deg,rgba(91,43,255,.07),rgba(0,194,209,.09));
  border:1px solid rgba(91,43,255,.14);
  border-radius:18px;
  padding:22px 24px;
  margin-bottom:22px;
}
.media-strip{display:grid;gap:16px;grid-template-columns:1fr;margin-top:26px;}
.media-strip figure{margin:0;border-radius:16px;overflow:hidden;background:#eef1fb;border:1px solid rgba(91,43,255,.12);box-shadow:0 10px 26px rgba(24,32,90,.07);}
.media-strip .ai-page-image{width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;}

/* ============ 服务能力 ============ */
.svc-grid{display:grid;gap:18px;grid-template-columns:1fr;}
.svc-card h3{font-size:17px;margin-bottom:8px;color:#0b1230;display:flex;align-items:center;gap:8px;}
.svc-card h3::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  flex:0 0 auto;
  background:linear-gradient(120deg,#5b2bff,#00c2d1);
  box-shadow:0 0 0 3px rgba(91,43,255,.12);
}
.svc-card p{font-size:14.5px;color:#5a6488;}

/* ============ 标签云 ============ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;justify-content:center;}
.tag{
  font-size:13px;
  font-weight:600;
  color:#26305a;
  padding:8px 15px;
  border-radius:999px;
  background:#fff;
  border:1px solid rgba(91,43,255,.14);
  box-shadow:0 6px 14px rgba(24,32,90,.05);
  transition:transform .24s ease, color .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.tag:hover{transform:translateY(-3px);color:#4a20e0;border-color:rgba(91,43,255,.34);box-shadow:0 10px 22px rgba(91,43,255,.16);}

/* ============ 流程步骤 ============ */
.flow{display:grid;gap:16px;grid-template-columns:1fr;}
.flow-step{
  position:relative;
  background:#fff;
  border:1px solid rgba(91,43,255,.12);
  border-radius:18px;
  padding:22px;
  box-shadow:0 10px 28px rgba(24,32,90,.06);
  transition:transform .3s ease, box-shadow .3s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(91,43,255,.15);}
.flow-num{
  display:inline-block;
  font-size:13px;
  font-weight:800;
  letter-spacing:.12em;
  color:#4a20e0;
  background:linear-gradient(100deg,rgba(91,43,255,.12),rgba(0,194,209,.16));
  border-radius:8px;
  padding:3px 10px;
  margin-bottom:10px;
}
.flow-step h3{font-size:16.5px;margin-bottom:6px;}
.flow-step p{font-size:14px;color:#5a6488;}

/* ============ 行业方案 ============ */
.sol-grid{display:grid;gap:18px;grid-template-columns:1fr;}
.sol-card h3{font-size:16.5px;margin-bottom:8px;}
.sol-card p{font-size:14px;color:#5a6488;}
.sol-card{border-left:3px solid transparent;border-image:linear-gradient(180deg,#5b2bff,#00c2d1) 1;}

/* ============ 服务网络 ============ */
.network-grid{display:grid;gap:22px;grid-template-columns:1fr;align-items:start;}
.region-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.region{
  background:#fff;
  border:1px solid rgba(91,43,255,.14);
  border-radius:14px;
  padding:14px;
  text-align:center;
  font-size:14px;
  font-weight:700;
  color:#1c2545;
  box-shadow:0 8px 20px rgba(24,32,90,.05);
  transition:transform .26s ease, color .26s ease, border-color .26s ease;
}
.region:hover{transform:translateY(-3px);color:#4a20e0;border-color:rgba(91,43,255,.36);}
.network-copy h3{font-size:18px;margin-bottom:10px;}
.network-copy p{font-size:14.5px;color:#5a6488;margin-bottom:12px;}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:30px;max-width:820px;margin:0 auto;}
.timeline::before{
  content:"";
  position:absolute;
  left:8px;
  top:10px;
  bottom:10px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,#5b2bff,#00c2d1,#ff2f9a);
}
.tl-item{position:relative;padding-bottom:24px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-28px;
  top:7px;
  width:12px;
  height:12px;
  border-radius:50%;
  background:#fff;
  border:3px solid #5b2bff;
  box-shadow:0 0 0 4px rgba(91,43,255,.10);
}
.tl-item h3{font-size:16px;margin-bottom:4px;}
.tl-item p{font-size:14px;color:#5a6488;}

/* ============ 案例中心 ============ */
.case-grid{display:grid;gap:20px;grid-template-columns:1fr;}
.case-card{padding:16px;}
.case-media{
  width:100%;
  aspect-ratio:4/3;
  border-radius:14px;
  overflow:hidden;
  background:linear-gradient(140deg,#eef1fb,#e6f7fa);
  border:1px solid rgba(91,43,255,.10);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
}
.case-media img{width:100%;height:100%;object-fit:contain;}
.case-card h3{font-size:16.5px;margin-bottom:8px;}
.case-card p{font-size:14px;color:#5a6488;}

/* ============ 对比评测 ============ */
.review-top{display:grid;gap:20px;grid-template-columns:1fr;margin-bottom:26px;}
.score-card{
  background:linear-gradient(140deg,#ffffff,#f4f7ff);
  border:1px solid rgba(91,43,255,.18);
  border-radius:20px;
  padding:26px;
  text-align:center;
  box-shadow:0 16px 38px rgba(91,43,255,.12);
}
.score-num{
  font-size:clamp(40px,8vw,60px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.03em;
  background:linear-gradient(110deg,#4a20e0,#00a8b8 60%,#ff2f9a);
  -webkit-background-clip:text;
  background-clip:text;
  color:#4a20e0;
}
.score-num span{font-size:18px;font-weight:700;color:#7a86ab;-webkit-text-fill-color:#7a86ab;}
.score-stars{margin:12px 0 6px;font-size:20px;letter-spacing:3px;color:#ff9f1c;}
.score-label{font-size:14px;font-weight:700;color:#2a3457;}
.review-points{display:grid;gap:14px;grid-template-columns:1fr;}
.point{
  background:#fff;
  border:1px solid rgba(91,43,255,.12);
  border-radius:14px;
  padding:16px 18px;
  box-shadow:0 8px 22px rgba(24,32,90,.05);
}
.point h3{font-size:15px;margin-bottom:5px;color:#0b1230;}
.point p{font-size:13.5px;color:#5a6488;}
.table-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border-radius:16px;
  border:1px solid rgba(91,43,255,.14);
  background:#fff;
  box-shadow:0 12px 30px rgba(24,32,90,.07);
}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:14.5px;}
thead th{
  background:linear-gradient(180deg,rgba(91,43,255,.10),rgba(0,194,209,.07));
  color:#1a1f45;
  font-weight:700;
  font-size:13.5px;
  text-align:left;
  padding:14px 18px;
  border-bottom:1px solid rgba(91,43,255,.14);
  white-space:nowrap;
}
tbody td{padding:14px 18px;border-bottom:1px solid rgba(11,18,48,.07);color:#3b4468;vertical-align:top;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:rgba(91,43,255,.045);}
tbody td:first-child{font-weight:700;color:#1a1f45;white-space:nowrap;}
td.best{color:#4a20e0;font-weight:700;}

/* ============ Token 比价 ============ */
.price-grid{display:grid;gap:18px;grid-template-columns:1fr;}
.price-card{position:relative;overflow:hidden;}
.price-card h3{font-size:17px;margin-bottom:10px;}
.price-card p{font-size:14px;color:#5a6488;}
.price-card .price-tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  color:#4a20e0;
  background:rgba(91,43,255,.09);
  border-radius:8px;
  padding:4px 10px;
  margin-bottom:12px;
}
.price-note{
  margin-top:20px;
  font-size:13.5px;
  color:#5a6488;
  text-align:center;
  background:#fff;
  border:1px dashed rgba(91,43,255,.28);
  border-radius:14px;
  padding:16px;
}
.price-note a{color:#4a20e0;font-weight:700;text-decoration:none;}
.price-note a:hover{text-decoration:underline;}

/* ============ 用户评论 ============ */
.voice-grid{display:grid;gap:18px;grid-template-columns:1fr;}
.voice-card{display:flex;flex-direction:column;gap:12px;}
.voice-head{display:flex;align-items:center;gap:12px;}
.avatar{
  width:44px;
  height:44px;
  flex:0 0 auto;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(130deg,#5b2bff,#00c2d1);
  box-shadow:0 8px 18px rgba(91,43,255,.22);
}
.voice-name{font-size:15px;font-weight:700;color:#0b1230;line-height:1.3;}
.voice-role{font-size:12.5px;color:#7a86ab;}
.voice-card p{font-size:14px;color:#4d5878;}
.voice-rate{font-size:13px;color:#ff9f1c;letter-spacing:2px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid rgba(91,43,255,.13);
  border-radius:14px;
  overflow:hidden;
  box-shadow:0 8px 22px rgba(24,32,90,.05);
  transition:border-color .25s ease, box-shadow .25s ease;
}
.faq-item.open{border-color:rgba(91,43,255,.38);box-shadow:0 16px 34px rgba(91,43,255,.13);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:17px 20px;
  background:none;
  border:none;
  font-family:inherit;
  font-size:15px;
  font-weight:700;
  color:#0b1230;
  text-align:left;
  cursor:pointer;
  transition:color .22s ease;
}
.faq-q:hover{color:#4a20e0;}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:22px;
  height:22px;
  border-radius:50%;
  background:linear-gradient(120deg,#5b2bff,#00c2d1);
  transition:transform .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:#fff;
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:opacity .3s ease, transform .3s ease;}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-item.open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 20px 18px;font-size:14px;color:#5a6488;}

/* ============ 资讯 ============ */
.post-grid{display:grid;gap:16px;grid-template-columns:1fr;}
.post{
  display:block;
  text-decoration:none;
  background:#fff;
  border:1px solid rgba(91,43,255,.12);
  border-radius:16px;
  padding:20px;
  box-shadow:0 10px 26px rgba(24,32,90,.06);
  transition:transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.post:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(91,43,255,.15);border-color:rgba(91,43,255,.30);}
.post-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  color:#4a20e0;
  background:rgba(91,43,255,.09);
  border-radius:8px;
  padding:3px 10px;
  margin-bottom:10px;
}
.post h3{font-size:15.5px;margin-bottom:6px;color:#0b1230;}
.post p{font-size:13.5px;color:#5a6488;}

/* ============ 表单与联系 ============ */
.contact-grid{display:grid;gap:22px;grid-template-columns:1fr;align-items:start;}
.req-form{
  display:grid;
  gap:16px;
  background:#fff;
  border:1px solid rgba(91,43,255,.14);
  border-radius:20px;
  padding:26px;
  box-shadow:0 14px 34px rgba(24,32,90,.08);
}
.form-row{display:grid;gap:16px;grid-template-columns:1fr;}
.field{display:grid;gap:8px;font-size:13.5px;font-weight:700;color:#2a3457;}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid rgba(11,18,48,.14);
  background:#f8faff;
  font-family:inherit;
  font-size:14.5px;
  font-weight:400;
  color:#0b1230;
  transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#4a20e0 50%),linear-gradient(135deg,#4a20e0 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:38px;}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:rgba(91,43,255,.55);
  background:#fff;
  box-shadow:0 0 0 4px rgba(91,43,255,.12);
}
.form-submit{justify-self:start;min-width:160px;}
.contact-card h3{font-size:17px;margin-bottom:14px;}
.contact-list{display:grid;gap:12px;}
.contact-list li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:14px;
  padding-bottom:12px;
  border-bottom:1px dashed rgba(91,43,255,.16);
}
.contact-list li:last-child{border-bottom:none;padding-bottom:0;}
.contact-list span{color:#7a86ab;font-size:13px;}
.contact-list strong{color:#0b1230;font-weight:700;word-break:break-all;text-align:right;}
.contact-list a{color:#4a20e0;text-decoration:none;font-weight:700;word-break:break-all;text-align:right;}
.contact-list a:hover{text-decoration:underline;}
.qr-box{
  margin-top:18px;
  padding:14px;
  border-radius:14px;
  background:linear-gradient(140deg,#f4f7ff,#eaf7fa);
  border:1px solid rgba(91,43,255,.14);
  text-align:center;
}
.qr-box img{width:150px;height:150px;object-fit:contain;margin:0 auto 10px;border-radius:8px;background:#fff;}
.qr-box p{font-size:12.5px;color:#5a6488;}

/* ============ 加盟代理 ============ */
.join-band{
  position:relative;
  overflow:hidden;
  border-radius:22px;
  padding:34px 26px;
  background:linear-gradient(118deg,#2a0e9e 0%,#5b2bff 45%,#00a8b8 100%);
  color:#fff;
  box-shadow:0 22px 50px rgba(91,43,255,.26);
  display:grid;
  gap:20px;
  align-items:center;
}
.join-band::after{
  content:"";
  position:absolute;
  width:320px;
  height:320px;
  right:-90px;
  top:-120px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
  pointer-events:none;
}
.join-band h2{font-size:clamp(21px,3vw,29px);line-height:1.34;color:#fff;margin-bottom:10px;position:relative;}
.join-band p{font-size:14.5px;color:rgba(255,255,255,.92);position:relative;}
.join-action{position:relative;display:flex;flex-wrap:wrap;gap:14px;}
.join-action .btn-primary{background:#fff;color:#3a15c4;box-shadow:0 12px 28px rgba(0,0,0,.18);}
.join-action .btn-primary:hover{box-shadow:0 16px 34px rgba(0,0,0,.26);}
.join-action .btn-outline{color:#fff;background:transparent;border:1.5px solid rgba(255,255,255,.7);}
.join-action .btn-outline:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}

/* ============ 页脚 ============ */
.site-footer{position:relative;z-index:1;margin-top:56px;background:#0a1029;color:#c9d2f0;}
.footer-inner{display:grid;gap:30px;padding-top:44px;padding-bottom:34px;grid-template-columns:1fr;}
.footer-name{font-size:19px;font-weight:800;color:#fff;letter-spacing:.02em;margin-bottom:10px;}
.footer-desc{font-size:13.5px;color:#a8b4dd;max-width:420px;}
.footer-mail{margin-top:14px;font-size:13.5px;color:#a8b4dd;}
.footer-mail a{color:#7ef0f7;text-decoration:none;font-weight:700;}
.footer-mail a:hover{text-decoration:underline;}
.footer-title{font-size:13px;font-weight:700;color:#fff;letter-spacing:.1em;margin-bottom:14px;}
.footer-nav-links{display:flex;flex-wrap:wrap;gap:12px 20px;}
.footer-nav-links a{font-size:13.5px;color:#a8b4dd;text-decoration:none;transition:color .22s ease;}
.footer-nav-links a:hover{color:#7ef0f7;}
.footer-link-grid{display:flex;flex-wrap:wrap;gap:10px;}
.footer-link-grid a{
  font-size:12.5px;
  color:#b6c1e6;
  text-decoration:none;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  transition:color .22s ease, background .22s ease, border-color .22s ease;
}
.footer-link-grid a:hover{color:#0a1029;background:#7ef0f7;border-color:#7ef0f7;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:16px 0;}
.footer-bottom p{font-size:12.5px;color:#8f9ac4;text-align:center;}

/* ============ 浮动组件 ============ */
.float-cs{position:fixed;right:16px;bottom:20px;z-index:130;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.cs-panel{
  width:216px;
  background:#fff;
  border:1px solid rgba(91,43,255,.16);
  border-radius:16px;
  box-shadow:0 18px 44px rgba(11,18,48,.20);
  padding:14px;
  display:none;
}
.float-cs.is-open .cs-panel{display:block;animation:csPop .26s ease;}
@keyframes csPop{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.cs-title{font-size:13px;font-weight:700;color:#0b1230;text-align:center;margin-bottom:10px;}
.cs-qr{
  width:100%;
  aspect-ratio:1/1;
  border-radius:12px;
  overflow:hidden;
  background:#f2f4fd;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:10px;
}
.cs-qr img{width:100%;height:100%;object-fit:contain;}
.cs-meta{font-size:12.5px;color:#5a6488;text-align:center;line-height:1.9;}
.cs-btn{
  width:56px;
  height:56px;
  border-radius:50%;
  border:none;
  cursor:pointer;
  font-family:inherit;
  font-size:13px;
  font-weight:700;
  color:#fff;
  background:linear-gradient(130deg,#5b2bff,#00c2d1);
  box-shadow:0 14px 30px rgba(91,43,255,.34);
  transition:transform .24s ease, box-shadow .24s ease;
}
.cs-btn:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(91,43,255,.42);}
.to-top{
  position:fixed;
  left:16px;
  bottom:20px;
  z-index:130;
  width:46px;
  height:46px;
  border-radius:50%;
  border:1px solid rgba(91,43,255,.22);
  background:rgba(255,255,255,.94);
  color:#4a20e0;
  font-size:16px;
  font-weight:800;
  cursor:pointer;
  box-shadow:0 12px 28px rgba(24,32,90,.14);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease, transform .24s ease;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);}

/* ============ 渐入动画 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .62s ease, transform .62s ease;}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (min-width:600px){
  .svc-grid,.sol-grid,.voice-grid,.price-grid,.post-grid,.case-grid,.flow,.about-grid{grid-template-columns:repeat(2,1fr);}
  .form-row{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(4,1fr);}
  .review-points{grid-template-columns:repeat(2,1fr);}
  .media-strip{grid-template-columns:repeat(3,1fr);}
  .region-grid{grid-template-columns:repeat(3,1fr);}
}
@media (min-width:900px){
  .section{padding:76px 0;}
  .contact-grid{grid-template-columns:1.3fr .7fr;}
  .network-grid{grid-template-columns:1.05fr .95fr;}
  .review-top{grid-template-columns:.62fr 1.38fr;align-items:start;}
  .footer-inner{grid-template-columns:1.1fr .7fr 1.2fr;gap:36px;}
  .join-band{grid-template-columns:1.4fr .6fr;padding:44px 40px;}
  .join-action{justify-content:flex-end;}
}
@media (min-width:980px){
  .hero-inner{grid-template-columns:1.06fr .94fr;gap:56px;}
  .hero{padding:60px 0 10px;}
  .svc-grid,.sol-grid,.price-grid,.voice-grid{grid-template-columns:repeat(3,1fr);}
  .case-grid,.post-grid{grid-template-columns:repeat(3,1fr);}
  .flow{grid-template-columns:repeat(4,1fr);}
  .about-grid{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:992px){
  .nav-links{
    position:absolute;
    top:calc(100% + 8px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:8px;
    background:#fff;
    border:1px solid rgba(91,43,255,.14);
    border-radius:16px;
    box-shadow:0 22px 44px rgba(11,18,48,.14);
    z-index:60;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{width:100%;padding:12px 14px;font-size:14px;border-radius:10px;}
  .nav-toggle{display:flex;}
}
@media (max-width:520px){
  .nav-cta{padding:9px 14px;font-size:12.5px;}
  .brand .ai-page-logo{max-height:32px;}
  .hero-actions .btn{width:100%;}
  .cs-panel{width:196px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}