:root{
  --brand-yellow:#FFC72C;
  --brand-black:#1A1A1A;
  --bg-warm:#FAF8F4;
  --text-main:#222;
  --text-sub:#666;
  --card-bg:#fff;
  --border:#EAE6DD;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg-warm);
  color:var(--text-main);
  line-height:1.7;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:1100px;margin:0 auto;padding:0 20px;}

/* Header */
header.site-header{
  background:var(--brand-black);
  position:sticky;top:0;z-index:100;
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;max-width:1100px;margin:0 auto;
}
.logo{
  font-size:22px;font-weight:900;font-style:italic;
  background:var(--brand-yellow);color:var(--brand-black);
  padding:4px 14px;border-radius:4px;letter-spacing:1px;
}
nav.main-nav{display:flex;gap:22px;flex-wrap:wrap;}
nav.main-nav a{color:#fff;font-size:14px;font-weight:500;}
nav.main-nav a:hover{color:var(--brand-yellow);}
.nav-cta{
  background:var(--brand-yellow);color:var(--brand-black)!important;
  padding:8px 16px;border-radius:20px;font-weight:700;font-size:14px;
}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;}

/* Hero */
.hero{
  background:linear-gradient(135deg,var(--brand-black) 0%,#2b2b2b 100%);
  color:#fff;padding:60px 20px 50px;text-align:center;
}
.hero h1{font-size:clamp(24px,5vw,38px);margin-bottom:14px;line-height:1.4;}
.hero .subtitle{color:#ccc;font-size:16px;max-width:600px;margin:0 auto 26px;}
.hero-tags{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:28px;}
.hero-tags span{
  background:rgba(255,199,44,.15);border:1px solid var(--brand-yellow);
  color:var(--brand-yellow);padding:6px 14px;border-radius:20px;font-size:13px;
}
.btn{
  display:inline-block;background:var(--brand-yellow);color:var(--brand-black);
  padding:14px 32px;border-radius:30px;font-weight:800;font-size:16px;
  border:none;cursor:pointer;
}
.btn-outline{
  background:transparent;border:2px solid var(--brand-yellow);color:var(--brand-yellow);
}
.btn-sm{padding:8px 18px;font-size:14px;}

/* Trust bar */
.trust-bar{
  background:var(--brand-yellow);padding:16px 20px;
  display:flex;justify-content:center;gap:40px;flex-wrap:wrap;
  font-weight:700;color:var(--brand-black);font-size:14px;
}

/* Sections */
section{padding:50px 20px;}
.section-title{font-size:26px;text-align:center;margin-bottom:8px;}
.section-sub{text-align:center;color:var(--text-sub);margin-bottom:34px;font-size:15px;}

/* Cards grid */
.grid{display:grid;gap:20px;}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));}
.grid-5{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));}
.card{
  background:var(--card-bg);border:1px solid var(--border);border-radius:12px;
  padding:22px;
}
.card h3{font-size:17px;margin-bottom:8px;}
.card p{color:var(--text-sub);font-size:14px;}
.card a.card-link{color:var(--brand-black);font-weight:700;font-size:13px;margin-top:10px;display:inline-block;}

/* Anxiety question cards */
.q-card{border-left:4px solid var(--brand-yellow);}

/* Placeholder image */
.img-placeholder{
  background:repeating-linear-gradient(45deg,#eee,#eee 10px,#f5f5f5 10px,#f5f5f5 20px);
  border:1px dashed #ccc;color:#999;font-size:13px;
  display:flex;align-items:center;justify-content:center;
  min-height:160px;border-radius:10px;text-align:center;padding:10px;
}

/* FAQ */
.faq-group{margin-bottom:36px;}
.faq-group h2{font-size:20px;margin-bottom:16px;border-bottom:2px solid var(--brand-yellow);padding-bottom:8px;}
.faq-item{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:18px 20px;margin-bottom:14px;scroll-margin-top:80px;}
.faq-item h3{font-size:16px;margin-bottom:10px;color:var(--brand-black);}
.faq-item .a-content ul, .faq-item .a-content ol{margin:8px 0 8px 20px;font-size:14px;color:#333;}
.faq-item .a-content p{font-size:14px;color:#333;margin-bottom:8px;}
.faq-item table{width:100%;border-collapse:collapse;margin:10px 0;font-size:13px;}
.faq-item table th,.faq-item table td{border:1px solid var(--border);padding:8px;text-align:left;}
.faq-item table th{background:#FFF7E0;}
.faq-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px;}
.faq-nav a{background:#fff;border:1px solid var(--border);padding:6px 12px;border-radius:16px;font-size:13px;}

/* Steps */
.steps{counter-reset:step;}
.step{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start;}
.step-num{
  counter-increment:step;background:var(--brand-black);color:var(--brand-yellow);
  width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:800;flex-shrink:0;
}
.step-num::before{content:counter(step);}

/* Testimonial */
.pennant{
  background:#B8291A;color:#FFD700;padding:20px;border-radius:6px;text-align:center;
  font-weight:700;position:relative;
}
.pennant .year{font-size:12px;opacity:.8;}

/* Breadcrumb */
.breadcrumb{font-size:13px;color:var(--text-sub);padding:14px 20px;max-width:1100px;margin:0 auto;}
.breadcrumb a{color:var(--brand-black);}

/* Footer */
footer{background:var(--brand-black);color:#ccc;padding:40px 20px 20px;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;max-width:1100px;margin:0 auto 24px;}
.footer-grid h4{color:#fff;margin-bottom:12px;font-size:15px;}
.footer-grid a{display:block;color:#ccc;font-size:13px;margin-bottom:8px;}
.footer-bottom{text-align:center;font-size:12px;color:#888;border-top:1px solid #333;padding-top:16px;}

/* Sticky mobile CTA */
.sticky-cta{
  position:fixed;bottom:0;left:0;right:0;background:var(--brand-yellow);
  padding:12px 20px;display:flex;justify-content:space-between;align-items:center;
  box-shadow:0 -2px 10px rgba(0,0,0,.15);z-index:200;
}
.sticky-cta span{font-weight:800;color:var(--brand-black);font-size:14px;}

@media(max-width:768px){
  nav.main-nav{display:none;}
  .menu-toggle{display:block;}
  nav.main-nav.open{
    display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;
    background:var(--brand-black);padding:16px 20px;gap:14px;
  }
}

/* ---- 后台管理样式（追加）---- */
.admin-body{background:#F4F5F7;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;}
.admin-shell{display:flex;min-height:100vh;}
.admin-sidebar{width:220px;background:var(--brand-black);color:#fff;padding:20px 0;flex-shrink:0;}
.admin-sidebar .brand{padding:0 20px 20px;font-weight:900;font-style:italic;color:var(--brand-yellow);font-size:20px;border-bottom:1px solid #333;margin-bottom:10px;}
.admin-sidebar a{display:block;padding:12px 20px;color:#ccc;font-size:14px;}
.admin-sidebar a:hover, .admin-sidebar a.active{background:#2a2a2a;color:var(--brand-yellow);}
.admin-main{flex:1;padding:30px;max-width:960px;}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;}
.admin-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:24px;margin-bottom:20px;}
.admin-table{width:100%;border-collapse:collapse;background:#fff;}
.admin-table th, .admin-table td{border-bottom:1px solid var(--border);padding:10px 12px;text-align:left;font-size:14px;vertical-align:top;}
.admin-table th{background:#FAFAFA;}
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:13px;font-weight:700;margin-bottom:6px;color:#444;}
.form-group input[type=text], .form-group input[type=password], .form-group textarea, .form-group select{
  width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;font-family:inherit;
}
.form-group textarea{min-height:120px;font-family:monospace;}
.form-actions{display:flex;gap:10px;margin-top:20px;}
.btn-primary{background:var(--brand-black);color:#fff;padding:10px 22px;border:none;border-radius:6px;cursor:pointer;font-weight:700;font-size:14px;}
.btn-danger{background:#c0392b;color:#fff;padding:8px 14px;border:none;border-radius:6px;cursor:pointer;font-size:13px;}
.btn-secondary{background:#eee;color:#333;padding:10px 22px;border:none;border-radius:6px;cursor:pointer;font-size:14px;}
.login-box{max-width:360px;margin:100px auto;background:#fff;padding:32px;border-radius:12px;border:1px solid var(--border);}
.flash-msg{background:#FFF7E0;border:1px solid var(--brand-yellow);padding:10px 14px;border-radius:6px;margin-bottom:16px;font-size:14px;}
.flash-err{background:#FDEDEC;border:1px solid #e74c3c;color:#c0392b;padding:10px 14px;border-radius:6px;margin-bottom:16px;font-size:14px;}
.tag-pill{display:inline-block;background:#eee;padding:2px 8px;border-radius:10px;font-size:12px;}