/* PressImage 系 landing 模板样式（浅色 SaaS 风） */
:root{
  --bg:#fafbfd;
  --card:#ffffff;
  --line:#e6e8ee;
  --txt:#17203a;
  --muted:#667089;
  --acc:#4f8cff;
  --acc2:#7c5cff;
  --good:#1a7f37;
  --r:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.6;min-height:100vh;
}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
a{color:var(--acc);text-decoration:none}
.hidden{display:none !important}

/* NAV */
.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(10px);
  background:rgba(250,251,253,.8);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}
.logo{width:30px;height:30px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;font-size:16px}

/* BUTTONS */
.btn{border:0;cursor:pointer;font-size:15px;font-weight:600;padding:10px 18px;border-radius:10px;
  background:#eef1f6;color:var(--txt);transition:filter .15s}
.btn:hover{filter:brightness(.97)}
.btn-primary{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff}
.btn-primary:hover{filter:brightness(1.05)}

/* HERO */
.hero{padding:96px 0 64px;text-align:center;max-width:820px}
.hero h1{font-size:44px;line-height:1.15;margin:0 0 16px;letter-spacing:-.5px}
.hero .sub{font-size:19px;color:var(--muted);margin:0 auto 28px;max-width:640px}
.reg{display:flex;gap:8px;justify-content:center;max-width:480px;margin:0 auto}
.reg input{flex:1;padding:12px 14px;border:1px solid #ccd2de;border-radius:10px;font-size:15px;background:#fff}
.reg input:focus{outline:2px solid var(--acc);border-color:transparent}
.fine{color:#8a93a6;font-size:13px;margin-top:10px}
.reg-ok{margin-top:14px;font-weight:600;color:var(--good)}

/* FEATURES */
.feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;max-width:960px;
  margin:0 auto;padding:40px 20px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.feat h3{margin:0 0 8px;font-size:16px}
.feat p{margin:0;color:var(--muted);font-size:14px}

/* PRICING */
.pricing{max-width:720px;margin:0 auto;text-align:center;padding:24px 20px 8px}
.pricing h2{font-size:30px;margin-bottom:4px}
.plans{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.plan{border:1px solid var(--line);border-radius:var(--r);padding:26px;background:var(--card)}
.plan.pro{border:2px solid var(--acc)}
.plan h3{font-size:15px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.plan .price{font-size:32px;font-weight:700;margin:6px 0}
.plan p{color:var(--muted);font-size:14px;min-height:42px}
.plan .btn{margin-top:14px;width:100%}

/* FAQ */
.faq{max-width:720px;margin:0 auto;padding:48px 20px}
.faq h2{font-size:26px;margin-bottom:12px;text-align:center}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{color:var(--muted);margin-top:8px;font-size:15px}

/* FOOTER */
.foot{padding:40px 0;text-align:center;color:#8a93a6;font-size:13px}
.foot a{color:#8a93a6}

@media (max-width:640px){
  .hero h1{font-size:32px}
  .plans{grid-template-columns:1fr}
}