:root{
  --ink:#111528;
  --ink-2:#2b3149;
  --muted:#5d6580;
  --line:rgba(17,21,40,.09);
  --bg:#f6f7fd;
  --card:#ffffff;
  --brand:#5b5bf6;
  --brand-deep:#4338ca;
  --radius:18px;
  --shadow-s:0 12px 26px -20px rgba(38,44,110,.5);
  --shadow-m:0 22px 44px -28px rgba(38,44,110,.55);
  --holo:linear-gradient(100deg,#22d3ee,#818cf8 38%,#e879f9 70%,#fb7185);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:16px;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(880px 520px at 6% -6%,rgba(94,234,212,.24),transparent 62%),
    radial-gradient(820px 520px at 98% 2%,rgba(168,85,247,.20),transparent 64%),
    radial-gradient(760px 560px at 50% 46%,rgba(99,102,241,.11),transparent 66%),
    radial-gradient(700px 500px at 92% 94%,rgba(236,72,153,.13),transparent 64%),
    linear-gradient(180deg,#f8f9ff 0%,#f4f6fd 52%,#f7f8fe 100%);
}
img{max-width:100%;height:auto;display:block;border:0}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--ink);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
section{padding:66px 0;scroll-margin-top:92px}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(23px,2.6vw,32px);margin:14px 0 12px;letter-spacing:-.01em}
.section-head p{color:var(--muted);font-size:15.5px}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.1em;
  color:#3b2f8f;
  padding:6px 14px;
  border-radius:999px;
  background:linear-gradient(100deg,rgba(94,234,212,.42),rgba(129,140,248,.34) 48%,rgba(232,121,249,.34));
  border:1px solid rgba(129,140,248,.32);
}
/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand img{height:34px;width:auto;max-width:100%}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.02em;color:#15193a;white-space:nowrap}
.nav-links{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:0;
  flex-wrap:nowrap;
}
.nav-links a{
  display:block;
  padding:9px 11px;
  font-size:14.5px;
  color:#2c3250;
  text-decoration:none;
  border-radius:9px;
  white-space:nowrap;
  transition:color .18s,background .18s;
}
.nav-links a:hover{color:var(--brand-deep);background:rgba(99,102,241,.09)}
.nav-links a.nav-cta{
  margin-left:10px;
  color:#fff;
  font-weight:700;
  background:linear-gradient(105deg,#4f46e5,#9333ea 58%,#db2777);
  padding:10px 18px;
  box-shadow:0 12px 24px -14px rgba(99,60,220,.75);
}
.nav-links a.nav-cta:hover{color:#fff;background:linear-gradient(105deg,#4338ca,#7e22ce 58%,#be185d)}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;
  height:42px;
  padding:0 10px;
  border:1px solid rgba(17,21,40,.14);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#242a4a;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ===== Hero ===== */
.hero{
  position:relative;
  overflow:hidden;
  padding:58px 0 64px;
  scroll-margin-top:92px;
}
.hero::before{
  content:"";
  position:absolute;
  width:460px;height:460px;
  right:-140px;top:-160px;
  border-radius:50%;
  background:conic-gradient(from 0deg,#22d3ee,#818cf8,#e879f9,#fda4af,#22d3ee);
  filter:blur(78px);
  opacity:.30;
  z-index:0;
  animation:slowspin 26s linear infinite;
}
.hero::after{
  content:"";
  position:absolute;
  width:320px;height:320px;
  left:-120px;bottom:-140px;
  border-radius:50%;
  background:radial-gradient(circle,#5eead4,#818cf8 65%,transparent 72%);
  filter:blur(70px);
  opacity:.24;
  z-index:0;
}
@keyframes slowspin{to{transform:rotate(360deg)}}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:40px;
  align-items:start;
}
.hero-copy h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.16;
  letter-spacing:-.02em;
  margin:18px 0 16px;
}
.hero-copy h1 .hl{
  background:linear-gradient(100deg,#0e7490,#4338ca 46%,#a21caf);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{color:#4a5271;font-size:16.5px;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  padding:14px 30px;
  border-radius:999px;
  font-size:15.5px;
  font-weight:700;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .24s ease,background .24s ease,color .2s ease;
}
.btn:active{transform:scale(.975)}
.btn-primary{
  color:#fff;
  background:linear-gradient(105deg,#4f46e5,#9333ea 56%,#db2777);
  box-shadow:0 18px 36px -16px rgba(99,60,220,.72);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 44px -18px rgba(99,60,220,.8)}
.btn-ghost{
  color:#232a44;
  background:#fff;
  border-color:rgba(17,21,40,.14);
  box-shadow:var(--shadow-s);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(129,140,248,.6);color:#3b2f8f}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{
  font-size:13.5px;
  color:#33395a;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  border:1px solid rgba(17,21,40,.10);
  box-shadow:0 8px 18px -16px rgba(38,44,110,.7);
}
.hero-panel{
  background:rgba(255,255,255,.94);
  border:1px solid rgba(17,21,40,.10);
  border-radius:22px;
  padding:22px;
  box-shadow:0 34px 60px -36px rgba(40,46,120,.6);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.panel-head{display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:700;color:#2a3050;letter-spacing:.04em}
.panel-dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(140deg,#22d3ee,#a855f7);box-shadow:0 0 0 4px rgba(129,140,248,.16);animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(129,140,248,.16)}50%{box-shadow:0 0 0 8px rgba(129,140,248,.08)}}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px}
.chips span{
  font-size:12.5px;
  font-weight:600;
  color:#332a72;
  padding:6px 11px;
  border-radius:8px;
  background:linear-gradient(140deg,rgba(129,140,248,.16),rgba(232,121,249,.13));
  border:1px solid rgba(129,140,248,.26);
}
.panel-rows{display:flex;flex-direction:column;gap:10px;border-top:1px dashed rgba(17,21,40,.14);padding-top:16px}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px}
.panel-row .k{color:#1c2244;font-weight:700}
.panel-row .v{color:#5d6580;font-size:13px;text-align:right}
.panel-link{
  display:inline-block;
  margin-top:18px;
  font-size:14px;
  font-weight:700;
  color:#4338ca;
  text-decoration:none;
  border-bottom:1px solid rgba(67,56,202,.35);
  padding-bottom:2px;
  transition:color .2s,border-color .2s;
}
.panel-link:hover{color:#a21caf;border-color:rgba(162,28,175,.5)}
/* ===== 数据指标 ===== */
.stats-band{padding:0 0 62px;scroll-margin-top:92px}
.stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.stat{
  background:rgba(255,255,255,.9);
  border:1px solid rgba(17,21,40,.09);
  border-radius:16px;
  padding:20px;
  position:relative;
  overflow:hidden;
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease;
}
.stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--holo)}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.stat b{display:block;font-size:clamp(24px,2.6vw,32px);line-height:1.15;letter-spacing:-.02em;color:#1b1f3d}
.stat span{display:block;font-size:14px;font-weight:700;color:#3a4160;margin-top:6px}
.stat small{display:block;font-size:12.5px;color:#6b7391;margin-top:4px;line-height:1.6}
/* ===== 通用卡片 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;align-items:stretch}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:stretch}
.card{
  position:relative;
  overflow:hidden;
  background:var(--card);
  border:1px solid rgba(17,21,40,.085);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .24s ease,border-color .22s ease;
}
.card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:3px;
  background:var(--holo);
  opacity:.75;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);border-color:rgba(129,140,248,.55)}
.card h3{font-size:16.5px;margin-bottom:9px;color:#161b38}
.card p{font-size:14.3px;color:#525a78;line-height:1.72}
.card .tagline{display:inline-block;margin-top:14px;font-size:12.5px;font-weight:700;color:#3b2f8f;background:rgba(129,140,248,.13);border:1px solid rgba(129,140,248,.24);padding:5px 11px;border-radius:999px}
.card-num{font-size:12.5px;font-weight:800;color:#7c3aed;letter-spacing:.12em;margin-bottom:10px;display:block}
/* ===== 关于我们 ===== */
.about-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.about-item{
  background:rgba(255,255,255,.92);
  border:1px solid rgba(17,21,40,.085);
  border-radius:14px;
  padding:18px;
  box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.about-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.about-item h3{font-size:15px;margin-bottom:7px}
.about-item p{font-size:13.6px;color:#5b6382;line-height:1.68}
.about-lead{
  background:linear-gradient(120deg,rgba(255,255,255,.96),rgba(238,240,255,.92));
  border:1px solid rgba(129,140,248,.28);
  border-radius:20px;
  padding:26px 26px 24px;
  margin-bottom:22px;
  box-shadow:var(--shadow-m);
}
.about-lead p{color:#3f4768;font-size:15.5px}
.about-lead p + p{margin-top:12px}
/* ===== 流程 ===== */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.step{
  position:relative;
  background:#fff;
  border:1px solid rgba(17,21,40,.085);
  border-radius:16px;
  padding:20px 18px;
  box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.step i{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;
  font-style:normal;font-size:14px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#4f46e5,#a855f7);
  box-shadow:0 10px 18px -12px rgba(99,60,220,.85);
}
.step h3{font-size:15px;margin:13px 0 7px}
.step p{font-size:13.4px;color:#5b6382;line-height:1.66}
/* ===== 表格 ===== */
.table-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border-radius:18px;
  border:1px solid rgba(17,21,40,.09);
  background:#fff;
  box-shadow:var(--shadow-s);
}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:14.3px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid rgba(17,21,40,.07);vertical-align:top;color:#3a4160}
thead th{background:linear-gradient(180deg,#f2f3ff,#eaecff);color:#1b2044;font-weight:800;font-size:13.6px;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:rgba(129,140,248,.055)}
td strong{color:#1b2044}
.col-best{color:#4338ca;font-weight:700}
/* ===== 评分卡 ===== */
.score-card{
  display:grid;
  grid-template-columns:minmax(0,260px) minmax(0,1fr);
  gap:24px;
  align-items:center;
  background:linear-gradient(120deg,rgba(255,255,255,.97),rgba(240,242,255,.94));
  border:1px solid rgba(129,140,248,.32);
  border-radius:20px;
  padding:26px;
  margin-bottom:22px;
  box-shadow:var(--shadow-m);
}
.score-big{text-align:center;border-right:1px dashed rgba(17,21,40,.14);padding-right:22px}
.score-big b{display:block;font-size:52px;line-height:1;letter-spacing:-.03em;color:#2a1e7a}
.score-big b em{font-style:normal;font-size:20px;color:#6b7391;font-weight:700}
.stars{display:block;font-size:20px;letter-spacing:3px;color:#b45309;margin:10px 0 8px}
.score-big span{font-size:13.5px;color:#5b6382;font-weight:600}
.score-text h3{font-size:18px;margin-bottom:10px}
.score-text p{font-size:14.6px;color:#4a5271}
.score-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.score-list li{font-size:13px;font-weight:600;color:#332a72;background:rgba(129,140,248,.14);border:1px solid rgba(129,140,248,.26);padding:5px 11px;border-radius:999px}
/* ===== 评论 ===== */
.review{display:flex;flex-direction:column;height:100%}
.review-stars{color:#b45309;font-size:14.5px;letter-spacing:2px;margin-bottom:10px}
.review q{display:block;font-size:14.4px;color:#404863;line-height:1.76;quotes:none;flex:1 1 auto}
.review-foot{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid rgba(17,21,40,.08)}
.avatar{
  width:36px;height:36px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#4f46e5,#a855f7 60%,#ec4899);
}
.review-foot span{font-size:13.4px;font-weight:700;color:#232a48}
/* ===== 案例 ===== */
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:20px}
.gallery figure{
  margin:0;
  border-radius:16px;
  overflow:hidden;
  background:#fff;
  border:1px solid rgba(17,21,40,.09);
  box-shadow:var(--shadow-s);
  transition:transform .24s ease,box-shadow .24s ease;
}
.gallery figure:hover{transform:translateY(-5px);box-shadow:var(--shadow-m)}
.gallery .ph{aspect-ratio:4/3;overflow:hidden;background:#eef0fb}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{font-size:13.4px;font-weight:700;color:#2b3150;padding:11px 14px}
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.case-item{
  background:#fff;border:1px solid rgba(17,21,40,.09);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-s);transition:transform .24s ease,box-shadow .24s ease;
}
.case-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-m)}
.case-item .ph{aspect-ratio:16/10;overflow:hidden;background:#eef0fb}
.case-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.case-item:hover img{transform:scale(1.04)}
.case-body{padding:18px}
.case-body h3{font-size:16px;margin-bottom:8px}
.case-body p{font-size:13.8px;color:#5b6382}
/* ===== 服务网络 ===== */
.net-item{
  background:rgba(255,255,255,.94);
  border:1px solid rgba(17,21,40,.085);
  border-radius:16px;padding:20px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.net-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.net-item h3{font-size:15.2px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.net-item h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--holo);flex:0 0 auto}
.net-item p{font-size:13.6px;color:#5b6382}
/* ===== 表单 ===== */
.form-shell{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:26px;
  align-items:start;
  background:linear-gradient(130deg,rgba(255,255,255,.97),rgba(240,242,255,.94));
  border:1px solid rgba(129,140,248,.3);
  border-radius:22px;
  padding:28px;
  box-shadow:var(--shadow-m);
}
.form-intro h3{font-size:19px;margin-bottom:12px}
.form-intro p{color:#4a5271;font-size:14.6px}
.form-points{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.form-points li{font-size:14px;color:#3d4463;padding-left:20px;position:relative}
.form-points li::before{
  content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,#22d3ee,#a855f7);
}
form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.4px;font-weight:700;color:#2b3150}
.field input,.field select,.field textarea{
  width:100%;
  font-family:inherit;
  font-size:14.4px;
  color:#1b2044;
  background:#fff;
  border:1px solid rgba(17,21,40,.15);
  border-radius:11px;
  padding:11px 13px;
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{resize:vertical;min-height:112px;line-height:1.65}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:#7c7cf8;
  box-shadow:0 0 0 3px rgba(124,124,248,.18);
}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.form-actions small{font-size:12.6px;color:#6b7391}
/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:11px}
.faq-item{
  background:#fff;
  border:1px solid rgba(17,21,40,.09);
  border-radius:14px;
  padding:0 18px;
  box-shadow:var(--shadow-s);
  transition:border-color .2s,box-shadow .2s;
}
.faq-item:hover{border-color:rgba(129,140,248,.5)}
.faq-item[open]{border-color:rgba(129,140,248,.6);box-shadow:var(--shadow-m)}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  padding:16px 32px 16px 0;
  font-size:15px;
  font-weight:700;
  color:#1b2044;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:#6d5bd0;line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{font-size:14.2px;color:#4f5775;padding-bottom:16px;line-height:1.76}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px;align-items:start}
/* ===== 标签云 ===== */
.tagcloud{display:flex;flex-wrap:wrap;gap:10px}
.tagcloud li{
  font-size:13.6px;
  font-weight:600;
  color:#33395a;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(17,21,40,.11);
  padding:8px 15px;
  border-radius:999px;
  transition:transform .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  cursor:default;
}
.tagcloud li:hover{
  transform:translateY(-3px);
  color:#3b2f8f;
  border-color:rgba(129,140,248,.65);
  box-shadow:0 14px 24px -20px rgba(56,64,150,.9);
}
/* ===== 资讯 ===== */
.news-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.news-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid rgba(17,21,40,.09);border-radius:14px;
  padding:16px 18px;text-decoration:none;
  box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:rgba(129,140,248,.55)}
.news-item strong{font-size:14.6px;color:#1b2044;font-weight:700}
.news-item span{font-size:12.8px;color:#6b7391;white-space:nowrap}
/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,320px);gap:26px;align-items:start}
.contact-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.contact-item{
  background:#fff;border:1px solid rgba(17,21,40,.09);border-radius:16px;padding:18px;
  box-shadow:var(--shadow-s);transition:transform .2s ease,box-shadow .2s ease;
}
.contact-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.contact-item h3{font-size:14px;color:#5b6382;font-weight:700;margin-bottom:7px}
.contact-item p,.contact-item a{font-size:15px;color:#1b2044;font-weight:700;text-decoration:none;word-break:break-all}
.contact-item a:hover{color:#4338ca}
.qr-card{
  background:#fff;border:1px solid rgba(17,21,40,.09);border-radius:18px;padding:18px;
  text-align:center;box-shadow:var(--shadow-m);
}
.qr-card img{width:100%;max-width:220px;margin:0 auto 12px;border-radius:12px;background:#f4f5fd}
.qr-card p{font-size:13.6px;color:#4a5271}
/* ===== 加盟 ===== */
.partner-wrap{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:24px;align-items:center;
  background:linear-gradient(125deg,rgba(255,255,255,.97),rgba(238,240,255,.94));
  border:1px solid rgba(129,140,248,.32);
  border-radius:22px;padding:28px;box-shadow:var(--shadow-m);
}
.partner-wrap h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:12px}
.partner-wrap p{font-size:15px;color:#444c6c}
.partner-points{display:flex;flex-direction:column;gap:11px;margin-top:18px}
.partner-points li{font-size:14.2px;color:#3d4463;padding-left:22px;position:relative}
.partner-points li::before{
  content:"✓";position:absolute;left:0;top:0;color:#4338ca;font-weight:800;font-size:14px;
}
/* ===== 页脚 ===== */
.site-footer{
  margin-top:0;
  padding:48px 0 22px;
  background:linear-gradient(160deg,#141838 0%,#1b1f47 52%,#241a4a 100%);
  color:#c6cbec;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);
  gap:32px;
  align-items:start;
  padding-bottom:28px;
}
.footer-name{font-size:18px;font-weight:800;color:#ffffff;margin-bottom:10px;letter-spacing:.02em}
.footer-desc{font-size:13.8px;color:#b5bbe4;line-height:1.75;max-width:360px}
.footer-meta{font-size:13.4px;color:#b5bbe4;margin-top:10px}
.footer-meta a{color:#d8dcff;text-decoration:none;border-bottom:1px solid rgba(216,220,255,.35)}
.footer-meta a:hover{color:#ffffff;border-color:#ffffff}
.footer-col h3{font-size:14px;color:#ffffff;margin-bottom:14px;font-weight:800;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col a,.footer-col li{
  font-size:13.6px;
  color:#b5bbe4;
  text-decoration:none;
  transition:color .18s ease;
}
.footer-col a:hover{color:#ffffff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.13);
  padding-top:18px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#9aa1cc}
.footer-bottom a{color:#c9cfff;text-decoration:none}
.footer-bottom a:hover{color:#ffffff}
/* ===== 浮动按钮 ===== */
.float-btn{
  position:fixed;
  right:18px;
  z-index:70;
  display:flex;align-items:center;justify-content:center;
  width:48px;height:48px;
  border-radius:14px;
  border:1px solid rgba(17,21,40,.12);
  background:#fff;
  color:#2a3050;
  font-size:13px;
  font-weight:800;
  text-decoration:none;
  cursor:pointer;
  box-shadow:0 16px 30px -18px rgba(38,44,110,.9);
  transition:transform .18s ease,box-shadow .2s ease,opacity .2s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 22px 38px -18px rgba(38,44,110,.95)}
.float-service{bottom:86px;background:linear-gradient(140deg,#4f46e5,#a855f7);color:#fff;border-color:transparent;font-size:12px;line-height:1.2;text-align:center;padding:4px}
.back-top{bottom:22px;opacity:0;visibility:hidden}
.back-top.show{opacity:1;visibility:visible}
/* ===== 动画 ===== */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .62s ease,transform .62s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .hero::before,.panel-dot{animation:none}
}
/* ===== 响应式 ===== */
@media (max-width:1080px){
  .grid-4,.about-list{grid-template-columns:repeat(3,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1000px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    background:#fff;
    border-bottom:1px solid var(--line);
    padding:8px 16px 16px;
    box-shadow:0 24px 34px -26px rgba(20,24,60,.7);
    max-height:calc(100vh - 68px);
    overflow-y:auto;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:13px 6px;border-bottom:1px solid rgba(17,21,40,.07);border-radius:0}
  .nav-links a.nav-cta{margin:12px 0 0;border-radius:12px;text-align:center;padding:13px 18px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .hero-panel{max-width:560px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .score-card{grid-template-columns:minmax(0,1fr)}
  .score-big{border-right:none;border-bottom:1px dashed rgba(17,21,40,.14);padding:0 0 18px}
  .form-shell{grid-template-columns:minmax(0,1fr)}
  .contact-grid{grid-template-columns:minmax(0,1fr)}
  .partner-wrap{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px}
  .faq-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:760px){
  section{padding:52px 0}
  .hero{padding:42px 0 52px}
  .stats-band{padding-bottom:48px}
  .grid-2,.grid-3,.grid-4,.about-list,.steps,.case-grid,.news-list,.contact-cards{grid-template-columns:minmax(0,1fr)}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  form{grid-template-columns:minmax(0,1fr)}
  .hero-actions .btn{flex:1 1 100%}
  .float-btn{width:44px;height:44px;right:14px;font-size:12px}
  .float-service{bottom:80px}
  .back-top{bottom:20px}
  .about-lead,.form-shell,.partner-wrap{padding:22px}
  .score-card{padding:22px}
}
@media (max-width:420px){
  .gallery{grid-template-columns:minmax(0,1fr)}
  .brand-name{font-size:15.5px}
}