:root{
  --ink:#0c1524;
  --ink-2:#28344f;
  --muted:#5c6880;
  --line:rgba(12,21,36,.10);
  --cy:#00c2ff;
  --vi:#7b5cff;
  --pk:#ff4d9d;
  --mint:#28e0c0;
  --radius:20px;
  --shadow:0 18px 42px -24px rgba(20,32,80,.42);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:92px;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  background:
    radial-gradient(820px 520px at 6% -6%, rgba(123,92,255,.20), transparent 62%),
    radial-gradient(760px 480px at 96% 4%, rgba(0,194,255,.18), transparent 60%),
    radial-gradient(900px 620px at 50% 108%, rgba(255,77,157,.13), transparent 65%),
    linear-gradient(180deg,#f7f9ff 0%,#f2f5fd 42%,#edf1fc 100%);
}
body::before{
  content:"";
  position:fixed;
  inset:-10% 0 0 0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(520px 380px at 18% 26%, rgba(0,194,255,.10), transparent 70%),
    radial-gradient(520px 380px at 82% 66%, rgba(255,77,157,.08), transparent 70%);
  animation:glowDrift 20s ease-in-out infinite alternate;
}
@keyframes glowDrift{
  from{transform:translate3d(0,0,0) scale(1);}
  to{transform:translate3d(0,-30px,0) scale(1.05);}
}
img{max-width:100%;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.site-header,.site-main,.site-footer{position:relative;z-index:1;}
a{color:inherit;}
h1,h2,h3,h4{margin:0;color:#0b1424;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.85);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(12,21,36,.08);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex:0 0 auto;
}
.brand-logo{display:flex;align-items:center;max-width:56px;}
.brand-logo img{display:block;max-height:34px;width:auto;}
.brand-name{
  font-size:17px;
  font-weight:800;
  color:#0b1424;
  letter-spacing:.02em;
  white-space:nowrap;
}
.nav{position:relative;display:flex;align-items:center;}
.nav-links{
  display:flex;
  align-items:center;
  gap:0;
  flex-wrap:nowrap;
}
.nav-links a{
  display:block;
  padding:8px 11px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  text-decoration:none;
  border-radius:10px;
  white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{
  color:#0b1424;
  background:linear-gradient(120deg,rgba(0,194,255,.16),rgba(123,92,255,.16));
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:17px;
  height:2px;
  border-radius:2px;
  background:#28344f;
  transition:.25s;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
  font-family:inherit;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(120deg,#00b7ff 0%,#7b5cff 55%,#ff4d9d 100%);
  box-shadow:0 14px 28px -14px rgba(90,70,230,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(90,70,230,.95);}
.btn-ghost{
  color:#0b1424;
  background:rgba(255,255,255,.9);
  border-color:rgba(12,21,36,.14);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(123,92,255,.5);box-shadow:var(--shadow);}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;flex:0 0 auto;}

/* ---------- 首屏 ---------- */
.hero{padding:72px 0 56px;position:relative;overflow:hidden;}
.hero-inner{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 15px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  color:#4c3ac4;
  background:rgba(123,92,255,.10);
  border:1px solid rgba(123,92,255,.24);
  letter-spacing:.04em;
}
.hero h1{
  font-size:clamp(30px,5vw,52px);
  line-height:1.16;
  font-weight:800;
  margin:20px 0 18px;
}
.hero h1 em{
  font-style:normal;
  color:#0f6fe0;
  position:relative;
}
.hero-lead{
  font-size:16.5px;
  color:#46536e;
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin:30px 0 26px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.hero-tags li{
  font-size:13px;
  font-weight:600;
  color:#2a3550;
  background:rgba(255,255,255,.82);
  border:1px solid rgba(12,21,36,.09);
  border-radius:999px;
  padding:5px 13px;
}
.hero-panel{display:grid;gap:14px;}
.mini-card{
  position:relative;
  background:rgba(255,255,255,.9);
  border:1px solid rgba(12,21,36,.08);
  border-radius:16px;
  padding:16px 18px 16px 22px;
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease;
}
.mini-card::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:linear-gradient(180deg,var(--cy),var(--vi),var(--pk));
}
.mini-card:hover{transform:translateY(-3px);}
.mini-card h3{font-size:15.5px;font-weight:800;margin-bottom:4px;}
.mini-card p{font-size:13.5px;color:var(--muted);line-height:1.6;}
.hero-panel .mini-card:nth-child(1){animation:floatIn .8s .05s both;}
.hero-panel .mini-card:nth-child(2){animation:floatIn .8s .18s both;}
.hero-panel .mini-card:nth-child(3){animation:floatIn .8s .31s both;}
@keyframes floatIn{
  from{opacity:0;transform:translateY(18px);}
  to{opacity:1;transform:translateY(0);}
}

/* ---------- 数据条 ---------- */
.stats{padding:0 0 20px;}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.stat-card{
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px 18px;
  text-align:center;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(123,92,255,.35);}
.stat-card strong{
  display:block;
  font-size:26px;
  font-weight:800;
  line-height:1.2;
  color:#1256d8;
}
.stat-card span{display:block;font-size:13.5px;color:var(--muted);margin-top:4px;}

/* ---------- 通用分区 ---------- */
.section{padding:74px 0;}
.section-band{background:linear-gradient(180deg,rgba(255,255,255,.62),rgba(255,255,255,.28));border-top:1px solid rgba(12,21,36,.06);border-bottom:1px solid rgba(12,21,36,.06);}
.section-head{max-width:740px;margin:0 auto 42px;text-align:center;}
.section-head h2{
  font-size:clamp(24px,3.2vw,34px);
  font-weight:800;
  line-height:1.3;
  margin:16px 0 12px;
}
.section-head p{color:var(--muted);font-size:15.5px;}

/* ---------- 关于我们 ---------- */
.about-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:32px;
  align-items:start;
}
.about-text p{color:#46536e;font-size:15.5px;margin-bottom:14px;}
.about-points{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin-top:22px;
}
.point-item{
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 16px;
}
.point-item h3{font-size:14.5px;font-weight:800;margin-bottom:4px;}
.point-item p{font-size:13.5px;color:var(--muted);}
.about-side{
  background:linear-gradient(160deg,#ffffff 0%,#f3f6ff 100%);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow);
}
.about-side h3{font-size:17px;font-weight:800;margin-bottom:14px;}
.about-side ul{display:grid;gap:12px;}
.about-side li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:#3a475f;
  line-height:1.65;
}
.about-side li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--cy),var(--vi));
}

/* ---------- 服务卡片 ---------- */
.svc-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
}
.svc-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px 20px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.svc-card::after{
  content:"";
  position:absolute;
  left:20px;right:20px;top:0;
  height:3px;
  border-radius:0 0 6px 6px;
  background:linear-gradient(90deg,var(--cy),var(--vi),var(--pk));
  opacity:0;
  transition:opacity .28s ease;
}
.svc-card:hover{transform:translateY(-5px);box-shadow:0 26px 44px -26px rgba(30,40,90,.5);border-color:rgba(123,92,255,.35);}
.svc-card:hover::after{opacity:1;}
.svc-card h3{font-size:16.5px;font-weight:800;margin-bottom:8px;}
.svc-card p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- 标签云 ---------- */
.tag-cloud-wrap{margin-top:38px;}
.tag-cloud-wrap h3{
  font-size:16px;
  font-weight:800;
  text-align:center;
  margin-bottom:16px;
}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  justify-content:center;
}
.tag-cloud li{
  font-size:13px;
  font-weight:600;
  color:#2f3d5a;
  background:rgba(255,255,255,.9);
  border:1px solid rgba(12,21,36,.09);
  border-radius:999px;
  padding:6px 14px;
  transition:transform .22s ease,color .22s ease,border-color .22s ease;
}
.tag-cloud li:hover{
  transform:translateY(-2px);
  color:#0f4fc4;
  border-color:rgba(0,194,255,.5);
}

/* ---------- 图文卡片 ---------- */
.showcase-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:22px;
}
.showcase-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease;
}
.showcase-card:hover{transform:translateY(-5px);box-shadow:0 26px 44px -26px rgba(30,40,90,.5);}
.showcase-media{
  position:relative;
  background:linear-gradient(135deg,#eef3ff,#e7ecff);
  border-bottom:1px solid rgba(12,21,36,.06);
}
.showcase-media img{display:block;width:100%;height:auto;}
.showcase-body{padding:18px 20px 22px;}
.showcase-body h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.showcase-body p{font-size:14px;color:var(--muted);}

/* ---------- 行业方案 ---------- */
.industry-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:18px;
}
.industry-card{
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.industry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.industry-card h3{font-size:15.5px;font-weight:800;margin-bottom:6px;}
.industry-card p{font-size:13.8px;color:var(--muted);}

/* ---------- 流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:18px;
}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px 20px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.step-num{
  display:inline-flex;
  width:38px;height:38px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  font-size:15px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,#00c2ff,#7b5cff);
  margin-bottom:12px;
}
.step h3{font-size:15.5px;font-weight:800;margin-bottom:6px;}
.step p{font-size:13.8px;color:var(--muted);}

/* ---------- 服务网络 ---------- */
.network-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:18px;
}
.network-card{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px;
}
.network-dot{
  flex:0 0 auto;
  width:34px;height:34px;
  border-radius:11px;
  background:linear-gradient(135deg,rgba(0,194,255,.9),rgba(123,92,255,.9));
  position:relative;
}
.network-dot::after{
  content:"";
  position:absolute;
  inset:10px;
  border-radius:50%;
  background:rgba(255,255,255,.92);
}
.network-card h3{font-size:15px;font-weight:800;margin-bottom:4px;}
.network-card p{font-size:13.6px;color:var(--muted);}

/* ---------- 案例 ---------- */
.case-grid{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:30px;
  align-items:start;
}
.case-media{
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow);
}
.case-media img{display:block;width:100%;height:auto;}
.case-list{display:grid;gap:14px;}
.case-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px 20px;
  transition:transform .25s ease,border-color .25s ease;
}
.case-item:hover{transform:translateX(4px);border-color:rgba(123,92,255,.35);}
.case-item h3{font-size:15.5px;font-weight:800;margin-bottom:5px;}
.case-item p{font-size:13.8px;color:var(--muted);}

/* ---------- 用户评价 ---------- */
.review-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:20px;
}
.review-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px 20px;
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .26s ease,box-shadow .26s ease;
}
.review-card:hover{transform:translateY(-5px);box-shadow:0 26px 44px -26px rgba(30,40,90,.5);}
.review-stars{color:#f7a325;font-size:14px;letter-spacing:2px;}
.review-card p{font-size:14px;color:#3a475f;line-height:1.75;}
.review-user{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px;}
.review-avatar{
  width:36px;height:36px;
  border-radius:50%;
  background:linear-gradient(135deg,#00c2ff,#7b5cff);
  color:#fff;
  font-size:13px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.review-user strong{display:block;font-size:14px;color:#0b1424;}
.review-user span{display:block;font-size:12.5px;color:var(--muted);}

/* ---------- 对比评测 ---------- */
.rating-card{
  display:flex;
  align-items:center;
  gap:28px;
  flex-wrap:wrap;
  justify-content:center;
  background:linear-gradient(120deg,#ffffff 0%,#f2f6ff 100%);
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px 28px;
  margin-bottom:26px;
  box-shadow:var(--shadow);
}
.rating-score{display:flex;align-items:baseline;gap:8px;}
.score-num{
  font-size:52px;
  font-weight:800;
  line-height:1;
  color:#1256d8;
}
.score-max{font-size:15px;color:var(--muted);font-weight:600;}
.rating-meta{text-align:left;}
.stars{color:#f7a325;font-size:20px;letter-spacing:3px;line-height:1.2;}
.rating-meta p{font-size:14px;color:#3a475f;margin-top:6px;}
.table-wrap{
  overflow-x:auto;
  border-radius:18px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow);
}
.compare-table{
  width:100%;
  border-collapse:collapse;
  min-width:760px;
  font-size:14.3px;
}
.compare-table thead th{
  background:linear-gradient(120deg,rgba(0,194,255,.14),rgba(123,92,255,.16));
  color:#101a30;
  font-weight:800;
  text-align:left;
  padding:15px 18px;
  white-space:nowrap;
}
.compare-table td{
  padding:14px 18px;
  border-top:1px solid rgba(12,21,36,.07);
  color:#3a475f;
  vertical-align:top;
}
.compare-table tbody tr:hover{background:rgba(123,92,255,.05);}
.compare-table td:first-child{font-weight:700;color:#0b1424;white-space:nowrap;}

/* ---------- Token 比价 ---------- */
.token-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
}
.token-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:24px 22px;
  transition:transform .26s ease,box-shadow .26s ease;
}
.token-card:hover{transform:translateY(-5px);box-shadow:0 26px 44px -26px rgba(30,40,90,.5);}
.token-card h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.token-card p{font-size:14px;color:var(--muted);}
.token-note{
  margin-top:24px;
  padding:16px 20px;
  border-radius:14px;
  background:rgba(123,92,255,.08);
  border:1px solid rgba(123,92,255,.2);
  font-size:13.8px;
  color:#40376f;
}

/* ---------- 帮助中心 / AI百科 ---------- */
.help-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:18px;
}
.help-card{
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px;
  transition:transform .25s ease,border-color .25s ease;
}
.help-card:hover{transform:translateY(-4px);border-color:rgba(0,194,255,.45);}
.help-card h3{font-size:15px;font-weight:800;margin-bottom:6px;}
.help-card p{font-size:13.6px;color:var(--muted);}
.wiki-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:16px;
  margin-top:30px;
}
.wiki-card{
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid rgba(0,194,255,.7);
  border-radius:14px;
  padding:16px 18px;
}
.wiki-card h3{font-size:14.5px;font-weight:800;margin-bottom:5px;}
.wiki-card p{font-size:13.4px;color:var(--muted);}

/* ---------- 资讯 ---------- */
.news-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.news-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-decoration:none;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px 20px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-list a:hover{transform:translateX(4px);border-color:rgba(123,92,255,.4);box-shadow:var(--shadow);}
.news-title{font-size:14.8px;font-weight:600;color:#22304c;}
.news-arrow{color:#7b5cff;font-weight:800;flex:0 0 auto;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.open{border-color:rgba(123,92,255,.4);box-shadow:var(--shadow);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:none;
  border:none;
  cursor:pointer;
  text-align:left;
  font-family:inherit;
  font-size:15px;
  font-weight:700;
  color:#16213a;
  padding:18px 20px;
  line-height:1.6;
}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:18px;height:18px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:#7b5cff;
  border-radius:2px;
  transition:transform .25s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a p{
  padding:0 20px 18px;
  font-size:14.2px;
  color:var(--muted);
  line-height:1.8;
}

/* ---------- 加盟代理 ---------- */
.join-band{
  background:linear-gradient(120deg,rgba(0,194,255,.12),rgba(123,92,255,.14) 55%,rgba(255,77,157,.12));
  border:1px solid rgba(123,92,255,.22);
  border-radius:22px;
  padding:36px 32px;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:28px;
  align-items:center;
}
.join-band h2{font-size:clamp(22px,3vw,28px);font-weight:800;margin-bottom:12px;}
.join-band p{font-size:15px;color:#3a475f;margin-bottom:8px;}
.join-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 表单与联系 ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:26px;
  align-items:start;
}
.demand-form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px 24px;
  box-shadow:var(--shadow);
  display:grid;
  gap:16px;
}
.field{display:grid;gap:7px;}
.field label{font-size:13.8px;font-weight:700;color:#22304c;}
.field input,
.field select,
.field textarea{
  width:100%;
  font-family:inherit;
  font-size:14.5px;
  color:#16213a;
  background:#f7f9ff;
  border:1px solid rgba(12,21,36,.12);
  border-radius:12px;
  padding:11px 14px;
  outline:none;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  background:#fff;
  border-color:rgba(0,194,255,.7);
  box-shadow:0 0 0 3px rgba(0,194,255,.16);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-tip{font-size:12.8px;color:var(--muted);}
.contact-card{
  background:linear-gradient(160deg,#ffffff,#f2f6ff);
  border:1px solid var(--line);
  border-radius:20px;
  padding:24px;
  box-shadow:var(--shadow);
}
.contact-card h3{font-size:17px;font-weight:800;margin-bottom:14px;}
.contact-list{display:grid;gap:12px;margin-bottom:18px;}
.contact-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:#3a475f;
  line-height:1.7;
}
.contact-list li b{color:#16213a;font-weight:700;flex:0 0 auto;}
.qr-box{
  text-align:center;
  border-top:1px dashed rgba(12,21,36,.14);
  padding-top:18px;
}
.qr-box img{
  display:block;
  width:140px;
  height:auto;
  margin:0 auto 10px;
  border-radius:12px;
  border:1px solid rgba(12,21,36,.1);
  background:#fff;
}
.qr-box span{font-size:13px;color:var(--muted);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:10px;
  background:linear-gradient(180deg,#0e1730 0%,#0a1122 100%);
  color:#c7d2e8;
  padding:52px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:36px;
  align-items:start;
}
.footer-brand h2{font-size:18px;font-weight:800;color:#ffffff;margin-bottom:12px;}
.footer-brand p{font-size:13.8px;color:#a9b7d3;line-height:1.8;max-width:340px;}
.footer-brand .footer-site{
  display:inline-block;
  margin-top:14px;
  font-size:14px;
  font-weight:700;
  color:#8ef0ff;
  text-decoration:none;
  word-break:break-all;
}
.footer-brand .footer-site:hover{color:#ffffff;}
.footer-col h3{
  font-size:14.5px;
  font-weight:800;
  color:#ffffff;
  margin-bottom:14px;
}
.footer-col ul{display:grid;gap:9px;}
.footer-col li{font-size:13.6px;color:#a9b7d3;line-height:1.7;}
.footer-col a{color:#d5e0f5;text-decoration:none;transition:color .2s ease;}
.footer-col a:hover{color:#7ff0ff;}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px;}
.footer-bottom{
  margin-top:36px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  align-items:center;
  justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:#93a2c2;}
.footer-bottom a{color:#c7d2e8;text-decoration:none;font-size:13px;}
.footer-bottom a:hover{color:#7ff0ff;}

/* ---------- 浮动入口 ---------- */
.fab-stack{
  position:fixed;
  right:18px;
  bottom:20px;
  z-index:90;
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-end;
}
.fab{
  width:48px;height:48px;
  border-radius:50%;
  border:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:inherit;
  font-size:12.5px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,#00c2ff,#7b5cff);
  box-shadow:0 12px 26px -12px rgba(60,60,160,.9);
  transition:transform .25s ease,box-shadow .25s ease;
  letter-spacing:.02em;
}
.fab:hover{transform:translateY(-3px);box-shadow:0 18px 30px -14px rgba(60,60,160,1);}
#backTop{
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  background:linear-gradient(135deg,#3f4a66,#1b2338);
  transition:opacity .3s ease,visibility .3s ease,transform .25s ease;
}
#backTop.show{opacity:1;visibility:visible;pointer-events:auto;}
.svc-panel{
  position:absolute;
  right:60px;
  bottom:0;
  width:240px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
  box-shadow:0 26px 54px -22px rgba(20,30,80,.45);
  display:none;
  text-align:center;
}
.svc-panel.open{display:block;animation:floatIn .3s ease both;}
.svc-panel h3{font-size:14.5px;font-weight:800;margin-bottom:10px;color:#0b1424;}
.svc-panel img{
  display:block;
  width:130px;
  height:auto;
  margin:0 auto 10px;
  border-radius:10px;
  border:1px solid rgba(12,21,36,.1);
}
.svc-panel p{font-size:12.8px;color:var(--muted);line-height:1.7;word-break:break-all;}
.svc-panel a{color:#1256d8;text-decoration:none;}

/* ---------- 滚动渐入 ---------- */
.reveal{transform:translateY(22px);transition:transform .7s cubic-bezier(.2,.7,.3,1);}
.reveal.in{transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:none;}
  body::before{animation:none;}
  .hero-panel .mini-card{animation:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;
    top:calc(100% + 12px);
    right:0;
    width:min(268px,74vw);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#ffffff;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:0 24px 48px -18px rgba(15,23,42,.28);
    padding:8px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
    max-height:calc(100vh - 110px);
    overflow-y:auto;
  }
  .nav-links.open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-links a{padding:11px 14px;font-size:14.5px;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero{padding:52px 0 44px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .about-grid{grid-template-columns:1fr;}
  .case-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .join-band{grid-template-columns:1fr;}
  .join-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:720px){
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .nav-cta{display:none;}
  .form-row{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .rating-card{gap:16px;padding:22px 18px;}
  .score-num{font-size:44px;}
  .footer-grid{grid-template-columns:1fr;}
  .join-band{padding:26px 20px;}
  .demand-form{padding:22px 18px;}
  .contact-card{padding:20px;}
}
@media (max-width:400px){
  .stats-grid{grid-template-columns:1fr;}
  .brand-name{display:none;}
}