:root{
  --bg:#ffffff;
  --text:#222;
  --muted:#666;
  --border:#eee;
  --primary:#ff6a88;
  --primary-2:#ff99ac;
  --primary-3:#ffc3a0;
  --shadow:0 10px 30px rgba(0,0,0,.08);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

.container{max-width:1200px;margin:0 auto;padding:0 20px}

.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.75);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid rgba(0,0,0,.06);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{
  font-weight:800;font-size:22px;letter-spacing:.5px;text-decoration:none;color:var(--text);
}
.nav-toggle{
  display:none;border:1px solid var(--border);background:#fff;border-radius:8px;padding:8px 12px;cursor:pointer
}
.nav-list{display:flex;gap:18px;list-style:none;margin:0;padding:0;align-items:center}
.nav a{color:var(--text);text-decoration:none}
.nav a:hover{color:var(--primary)}
.btn{
  display:inline-block;border:1px solid var(--border);padding:10px 16px;border-radius:12px;text-decoration:none;color:var(--text);background:#fff;transition:.2s;
}
.btn-sm{padding:6px 12px;border-radius:10px}
.btn-lg{padding:14px 22px;border-radius:14px}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2) 55%,var(--primary-3));
  color:#fff;border:none
}
.btn-ghost{background:transparent;border-color:#ddd}

.hero{position:relative;overflow:hidden}
.hero-inner{padding:96px 0;text-align:center}
.hero h1{font-size:42px;margin:0 0 16px}
.hero-sub{color:var(--muted);font-size:18px;margin:0 auto 24px;max-width:720px}
.hero-actions{display:flex;gap:14px;justify-content:center}
.hero-bg{
  position:absolute;inset:-20% -10% auto -10%;height:360px;z-index:-1;
  background:radial-gradient(60% 60% at 20% 50%, rgba(255,106,136,.35), transparent 60%),
             radial-gradient(60% 60% at 80% 50%, rgba(255,153,172,.35), transparent 60%),
             linear-gradient(135deg, rgba(255,106,136,.2), rgba(255,195,160,.2));
  filter:blur(40px);
}

.section{padding:64px 0}
.section h2{font-size:28px;margin:0 0 10px}
.section-sub{color:var(--muted);margin:0 0 24px}
.section-alt{background:#fafafa}

.match-form{
  border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:var(--shadow);background:#fff
}
.form-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
label{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--muted)}
input,select{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid #ddd;background:#fff;color:var(--text)
}
.form-tip{margin-top:10px;color:#999;font-size:13px}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.feature-card{
  background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:var(--shadow)
}
.feature-card .icon{font-size:26px;margin-bottom:10px}

.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.story-card{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--border);
  border-radius:16px;padding:18px;box-shadow:var(--shadow)
}
.story-avatar{
  flex:0 0 48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700
}
.story-content h3{margin:0 0 6px;font-size:18px}
.story-content p{margin:0;color:var(--muted)}

.about{display:grid;grid-template-columns:1.5fr .9fr;gap:24px;align-items:start}
.about-list{margin:12px 0 0 18px;color:var(--muted)}
.about-card{
  background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow);margin-bottom:14px
}
.about-card .icon{font-size:22px;margin-bottom:8px}

.join{background:linear-gradient(135deg,#fff,#fff 40%, rgba(255,106,136,.06))}
.join-inner{text-align:center}
.join-inner h2{font-size:28px;margin:0 0 10px}
.join-inner p{color:var(--muted);max-width:720px;margin:0 auto 16px}
.join-actions{display:flex;gap:14px;justify-content:center}

.site-footer{background:#111;color:#ddd;margin-top:40px}
.footer-inner{display:flex;gap:24px;padding:28px 0;align-items:flex-start}
.footer-brand .logo{font-weight:900;font-size:24px;margin-bottom:6px;color:#fff}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;flex:1}
.footer-cols h4{color:#fff;margin:0 0 8px}
.footer-cols a{color:#ddd;text-decoration:none}
.footer-cols a:hover{color:#fff}
.qrcode-placeholder{
  width:120px;height:120px;border:1px dashed #444;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#888
}
.icp{border-top:1px solid #222;text-align:center;padding:12px 0;color:#777;font-size:13px}

/* 响应式 */
@media (max-width: 960px){
  .form-row{grid-template-columns:1fr 1fr}
  .feature-grid,.story-grid{grid-template-columns:1fr 1fr}
  .about{grid-template-columns:1fr}
  .footer-inner{flex-direction:column}
}
@media (max-width: 640px){
  .hero-inner{padding:72px 0}
  .hero h1{font-size:32px}
  .nav-toggle{display:inline-block}
  .nav-list{display:none;position:absolute;right:20px;top:64px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px;flex-direction:column;gap:10px;box-shadow:var(--shadow)}
  .nav-list.show{display:flex}
  .form-row{grid-template-columns:1fr}
  .feature-grid,.story-grid{grid-template-columns:1fr}
}