:root{
  --bg:#f4f5fb;
  --fg:#161a2e;
  --muted:#5f6680;
  --line:#e0e4f2;
  --accent:#4f46e5;
  --accent-2:#312e81;
  --cyan:#22d3ee;
  --gap:28px;
  --radius:14px;
  --shadow:0 10px 26px rgba(49,46,129,.12);
  --font:"Segoe UI","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{margin:0;padding:0;}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:"Segoe UI","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
}
a{color:var(--accent-2);text-decoration:none;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{line-height:1.35;margin:0 0 12px;font-family:"Segoe UI","Microsoft YaHei",sans-serif;}
h1{font-size:44px;}
h2{font-size:28px;}
h3{font-size:21px;}
h4{font-size:17px;}
p{margin:0 0 14px;}
ul{margin:0 0 16px;padding-left:20px;}
img{max-width:100%;height:auto;}
.happykaiyunq-topbar{
  background:#ffffff;
  border-bottom:2px solid var(--accent);
  position:sticky;
  top:0;
  z-index:9;
}
.happykaiyunq-topbar-inner{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:var(--gap);
  align-items:center;
  max-width:1180px;
  margin:0 auto;
  padding:14px 20px;
}
.happykaiyunq-brandmark{
  font-size:21px;
  font-weight:700;
  color:var(--accent-2);
  letter-spacing:2px;
}
.nav-links{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(80px,auto));
  justify-content:end;
  gap:6px 18px;
}
.nav-links a{
  color:var(--fg);
  font-size:15px;
  padding:4px 2px;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.nav-links a:hover{
  color:var(--accent);
  border-bottom-color:var(--accent);
}
.nav-links a:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}
.happykaiyunq-main{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:56px var(--gap);
  max-width:1180px;
  margin:0 auto;
  padding:40px 20px 64px;
}
.happykaiyunq-block{grid-column:span 4;}
.happykaiyunq-hero{
  grid-column:span 4;
  display:grid;
  grid-template-columns:1fr 230px;
  gap:var(--gap);
  align-items:start;
  background:linear-gradient(135deg,#eef0ff 0%,#e4f8fd 100%);
  border-radius:var(--radius);
  padding:36px 32px;
  box-shadow:var(--shadow);
}
.happykaiyunq-hero-text{grid-column:1;}
.happykaiyunq-hero-figure{grid-column:2;}
.happykaiyunq-hero-figure img{
  display:block;
  width:200px;
  height:200px;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.happykaiyunq-metrics{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin:0 0 18px;
  padding:0;
  list-style:none;
}
.happykaiyunq-metrics li{
  background:#ffffff;
  border-left:4px solid var(--accent);
  border-radius:10px;
  padding:10px 14px;
  font-size:17px;
  font-weight:600;
  color:var(--accent-2);
}
.happykaiyunq-lead{font-size:17px;line-height:1.9;color:#232842;margin:0;}
.happykaiyunq-cards{
  grid-column:span 4;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.happykaiyunq-card{
  background:transparent;
  border-left:4px solid var(--accent);
  border-radius:var(--radius);
  padding:18px 20px;
  box-shadow:0 2px 10px rgba(49,46,129,.07);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.happykaiyunq-card:first-child{grid-column:span 2;}
.happykaiyunq-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow);
  border-left-color:var(--cyan);
}
.happykaiyunq-card h3{color:var(--accent-2);margin-bottom:6px;}
.happykaiyunq-card p{font-size:15px;color:var(--muted);margin:0;}
.happykaiyunq-card:nth-child(even){border-left-color:var(--accent-2);}
.happykaiyunq-section h2{
  color:var(--accent-2);
  border-bottom:1px solid var(--line);
  padding-bottom:8px;
}
.happykaiyunq-section p{font-size:17px;color:#252a44;}
.happykaiyunq-inline-img{
  display:block;
  width:128px;
  height:128px;
  border-radius:12px;
  margin:0 0 14px;
  box-shadow:0 4px 14px rgba(49,46,129,.10);
}
.happykaiyunq-news-group{margin-bottom:26px;}
.happykaiyunq-news-group h3{
  font-size:21px;
  color:var(--accent-2);
  border-bottom:1px solid var(--line);
  padding-bottom:6px;
}
.happykaiyunq-news-entry{
  border-bottom:1px dashed var(--line);
  border-left:4px solid transparent;
  padding:14px 0 14px 16px;
  transition:border-color .2s ease,background .2s ease;
}
.happykaiyunq-news-entry:hover{
  border-left-color:var(--accent);
  background:#ffffff;
}
.happykaiyunq-news-entry h4{margin:0 0 4px;color:var(--fg);}
.happykaiyunq-news-date{
  font-size:14px;
  color:var(--muted);
  margin:0 0 6px;
}
.happykaiyunq-news-entry p.happykaiyunq-news-text{
  font-size:15px;
  color:var(--muted);
  margin:0;
  line-height:1.85;
}
.happykaiyunq-faq{
  grid-column:span 4;
  display:grid;
  gap:0;
}
.happykaiyunq-faq details{
  border-bottom:1px solid var(--line);
  padding:14px 2px;
}
.happykaiyunq-faq details:first-child{border-top:1px solid var(--line);}
.happykaiyunq-faq summary{
  cursor:pointer;
  font-weight:600;
  font-size:17px;
  color:var(--accent-2);
  list-style:none;
}
.happykaiyunq-faq summary::-webkit-details-marker{display:none;}
.happykaiyunq-faq summary::after{
  content:"＋";
  float:right;
  color:var(--accent);
  font-weight:700;
}
.happykaiyunq-faq details[open] summary::after{content:"－";}
.happykaiyunq-faq details[open] summary{color:var(--accent);}
.happykaiyunq-faq details p{
  font-size:15px;
  color:var(--muted);
  margin:10px 0 0;
  line-height:1.85;
}
.happykaiyunq-cta{
  grid-column:span 4;
  background:linear-gradient(135deg,#312e81 0%,#4f46e5 100%);
  border-radius:var(--radius);
  padding:32px;
  color:#eef0ff;
  box-shadow:var(--shadow);
}
.happykaiyunq-cta h2{color:#ffffff;border-bottom:1px solid rgba(255,255,255,.25);padding-bottom:8px;}
.happykaiyunq-cta p{color:#dfe2ff;font-size:17px;margin:0 0 18px;}
.happykaiyunq-btn{
  display:inline-block;
  background:linear-gradient(135deg,#22d3ee 0%,#4f46e5 100%);
  color:#ffffff;
  padding:10px 24px;
  border-radius:999px;
  font-size:15px;
  border:0;
  cursor:pointer;
  transition:transform .18s ease,filter .18s ease;
}
.happykaiyunq-btn:hover{transform:translateY(-2px);filter:brightness(1.08);color:#ffffff;}
.happykaiyunq-btn:active{transform:translateY(0);filter:brightness(.94);}
.happykaiyunq-table{width:100%;border-collapse:collapse;font-size:15px;}
.happykaiyunq-table th,.happykaiyunq-table td{border:1px solid var(--line);padding:8px 12px;text-align:left;}
.happykaiyunq-table th{background:#eef0ff;color:var(--accent-2);}
.happykaiyunq-table tr:nth-child(even) td{background:#fafbff;}
.happykaiyunq-footer{
  background:var(--accent-2);
  color:#d9dbf2;
  padding:40px 20px 26px;
}
.happykaiyunq-footer-inner{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  max-width:1180px;
  margin:0 auto;
}
.happykaiyunq-footer h3{color:#ffffff;font-size:17px;}
.happykaiyunq-footer p{font-size:14px;color:#c5c8ea;margin:0 0 6px;}
.happykaiyunq-footer a{color:#c5c8ea;}
.happykaiyunq-footer a:hover{color:#8ef0ff;}
.happykaiyunq-footer-bottom{
  max-width:1180px;
  margin:24px auto 0;
  border-top:1px solid rgba(255,255,255,.18);
  padding-top:16px;
  font-size:14px;
  color:#b9bde3;
}
.happykaiyunq-footer-bottom p{margin:0 0 6px;font-size:14px;}
@media (max-width:1024px){
  .happykaiyunq-main{grid-template-columns:repeat(2,1fr);gap:44px var(--gap);}
  .happykaiyunq-block,.happykaiyunq-hero,.happykaiyunq-cards,.happykaiyunq-faq,.happykaiyunq-cta{grid-column:span 2;}
  .happykaiyunq-cards{grid-template-columns:repeat(2,1fr);}
  .happykaiyunq-card:first-child{grid-column:span 2;}
  .happykaiyunq-hero{grid-template-columns:1fr;}
  .happykaiyunq-hero-figure{grid-column:1;}
  .happykaiyunq-footer-inner{grid-template-columns:repeat(2,1fr);}
  h1{font-size:34px;}
}
@media (max-width:720px){
  .happykaiyunq-main{grid-template-columns:1fr;gap:36px;}
  .happykaiyunq-block,.happykaiyunq-hero,.happykaiyunq-cards,.happykaiyunq-faq,.happykaiyunq-cta{grid-column:span 1;}
  .happykaiyunq-cards{grid-template-columns:1fr;}
  .happykaiyunq-card:first-child{grid-column:span 1;}
  .happykaiyunq-topbar-inner{grid-template-columns:1fr;}
  .nav-links{justify-content:start;}
  .happykaiyunq-metrics{grid-template-columns:1fr;}
  .happykaiyunq-footer-inner{grid-template-columns:1fr;}
  h1{font-size:28px;}
  h2{font-size:24px;}
}
/* 图片按原尺寸显示，不放大 */
img[src^="/img/"]{max-width:256px;max-height:256px;width:auto;height:auto;object-fit:contain;display:inline-block;}