:root{
  /* 视觉定位：水木主导、金作高级细节、火只做提醒 */
  --bg:#F6F8FB;            /* 65% 背景/留白 */
  --water:#123A5A;         /* 25% 主色（水） */
  --water2:#1E4F7A;        /* 靛蓝辅助 */
  --wood:#2FAF9B;          /* 8% 辅色（木）点缀/成功 */
  --gold:#C9A86A;          /* 2% 点缀（金） */
  --fire:#D85C5C;          /* ≤1% 警示（火） */

  --text:#0E1B24;
  --muted:rgba(14,27,36,.66);
  --line:rgba(14,27,36,.10);
  --card:#FFFFFF;
  --shadow:0 10px 26px rgba(18,58,90,.10);
  --radius:18px;
  --max:1080px;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", Arial, sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(900px 560px at 10% -10%, rgba(30,79,122,.10), transparent 60%),
    radial-gradient(860px 520px at 90% 0%, rgba(47,175,155,.07), transparent 60%),
    linear-gradient(180deg, var(--bg), #FFFFFF);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit; text-decoration:none}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}

/* Header */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(246,248,251,.88);
  backdrop-filter:saturate(1.2) blur(10px);
  border-bottom:1px solid var(--line);
  padding-top:var(--safe-top);
}
.nav{display:flex; align-items:center; justify-content:space-between; height:58px}
.brand{display:flex; align-items:center; gap:10px; min-width:140px}
.brand img{width:34px; height:34px; border-radius:999px; display:block}
.brand .name{font-weight:700; letter-spacing:.4px; font-size:14px; color:rgba(14,27,36,.82)}
nav.links{display:flex; gap:14px; align-items:center}
nav.links a{
  font-size:13px; color:rgba(14,27,36,.66);
  padding:8px 10px; border-radius:999px;
}
nav.links a:hover{background:rgba(18,58,90,.06)}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 14px;
  border-radius:999px;
  border:1px solid rgba(201,168,106,.38);
  background:linear-gradient(180deg, rgba(30,79,122,.95), rgba(18,58,90,.95));
  color:#FFFFFF;
  font-weight:700;
  letter-spacing:.2px;
  box-shadow:0 10px 22px rgba(18,58,90,.18);
  transition:transform .08s ease, opacity .08s ease, filter .2s ease;
  user-select:none;
}
.btn:hover{filter:brightness(1.03)}
.btn:active{transform:scale(.985); opacity:.92}
.btn.secondary{
  border:1px solid rgba(18,58,90,.16);
  background:rgba(255,255,255,.86);
  color:rgba(18,58,90,.92);
  box-shadow:none;
  font-weight:700;
}

/* Hero */
.hero{padding:20px 0 10px}
.hero-grid{display:grid; grid-template-columns:1fr; gap:14px}
.hero-card{
  position:relative;
  overflow:hidden;
  border-radius:calc(var(--radius) + 10px);
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.82));
  box-shadow:var(--shadow);
  padding:22px 16px;
}
/* ✅ 正确水印位置 */
.hero-card::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('logo-gold-horizontal.png');
  background-repeat:no-repeat;
  background-position:center;
  background-size:contain;
  opacity:0.065;
  pointer-events:none;
  z-index:1;
}
.hero-content{position:relative; z-index:2}
.h1{font-size:34px; line-height:1.12; margin:2px 0 10px; letter-spacing:.2px; color:var(--water)}
.h2{font-size:16px; line-height:1.6; margin:0 0 16px; color:rgba(14,27,36,.78)}
.hero-actions{display:flex; gap:10px; flex-wrap:wrap}
.hero-note{margin-top:12px; font-size:12px; color:var(--muted)}

/* Sections */
.section{padding:26px 0}
.section h2{font-size:20px; margin:0 0 12px; letter-spacing:.2px; color:rgba(18,58,90,.92)}
.lead{color:rgba(14,27,36,.70); line-height:1.72; margin:0 0 14px}

.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:14px}
.card{
  border:1px solid var(--line);
  background:rgba(255,255,255,.90);
  border-radius:var(--radius);
  padding:16px 14px;
  box-shadow:0 8px 18px rgba(18,58,90,.06);
}
.card h3{margin:0 0 8px; font-size:15px; color:rgba(18,58,90,.92)}
.card p{margin:0; color:rgba(14,27,36,.74); line-height:1.68; font-size:13px}

/* Lists */
.list{display:grid; gap:10px}
.item{
  display:flex; gap:10px; align-items:flex-start;
  padding:12px 12px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(255,255,255,.90);
}
.badge{
  width:26px; height:26px; border-radius:9px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(201,168,106,.14);
  border:1px solid rgba(201,168,106,.30);
  color:rgba(18,58,90,.92);
  font-weight:800;
  flex:0 0 auto;
}
.item .txt{flex:1}
.item .txt strong{display:block; margin-bottom:4px; font-size:13px; color:rgba(18,58,90,.92)}
.item .txt span{display:block; font-size:12px; color:rgba(14,27,36,.72); line-height:1.55}

/* Pricing */
.pricing{display:grid; grid-template-columns:1fr 1fr 1fr; gap:14px}
.plan{
  border:1px solid var(--line);
  background:rgba(255,255,255,.92);
  border-radius:calc(var(--radius) + 6px);
  padding:18px 16px;
  position:relative;
  overflow:hidden;
  box-shadow:0 10px 22px rgba(18,58,90,.06);
  /* Keep CTA aligned across cards (especially on WeChat mobile) */
  display:flex;
  flex-direction:column;
}
.plan.reco{
  border-color:rgba(201,168,106,.55);
  box-shadow:0 14px 30px rgba(18,58,90,.12);
  background:
    radial-gradient(700px 420px at 20% 0%, rgba(30,79,122,.08), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.90));
}
.ribbon{
  position:absolute; top:12px; right:-34px;
  transform:rotate(35deg);
  background:rgba(201,168,106,.92);
  color:rgba(14,27,36,.92);
  font-weight:900;
  font-size:12px;
  padding:6px 44px;
  letter-spacing:.3px;
}
.plan h3{margin:0 0 6px; font-size:15px; color:rgba(18,58,90,.92)}
.price{font-size:30px; font-weight:900; letter-spacing:.3px; margin:4px 0 10px; color:var(--water)}
.price small{font-size:13px; font-weight:800; color:rgba(14,27,36,.70)}
.plan ul{
  margin:0;
  padding-left:18px;
  color:rgba(14,27,36,.76);
  line-height:1.7;
  font-size:13px;
  flex:1 1 auto;
}
.plan .act{margin-top:auto; padding-top:14px}
.plan .act .btn{width:100%}

/* Accordion */
.accordion{
  margin-top:14px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:rgba(255,255,255,.88);
}
.acc-head{
  width:100%;
  display:flex; justify-content:space-between; align-items:center;
  padding:14px 14px;
  cursor:pointer;
  background:transparent;
  border:0;
  color:rgba(18,58,90,.92);
  font-weight:800;
  font-size:14px;
}
.acc-head span{color:rgba(14,27,36,.58); font-weight:700; font-size:12px}
.acc-body{display:none; padding:0 14px 14px; color:rgba(14,27,36,.74); font-size:13px; line-height:1.72}
.acc-body .row{display:flex; flex-wrap:wrap; gap:10px; margin-top:10px}
.tag{
  padding:8px 10px; border-radius:999px;
  border:1px solid rgba(201,168,106,.26);
  background:rgba(201,168,106,.10);
}

/* FAQ */
.faq{display:grid; gap:10px}
.qa{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(255,255,255,.90);
  padding:14px 14px;
}
.qa .q{font-weight:900; margin:0 0 6px; font-size:13px; color:rgba(18,58,90,.92)}
.qa .a{margin:0; color:rgba(14,27,36,.76); font-size:13px; line-height:1.7}

/* Footer */
.footer{
  padding:26px 0 calc(26px + var(--safe-bottom));
  border-top:1px solid var(--line);
  color:rgba(14,27,36,.62);
  font-size:12px;
}
.footer .row{display:flex; gap:14px; flex-wrap:wrap; align-items:center; justify-content:space-between}
.footer .mini{display:flex; gap:10px; align-items:center}
.footer img{width:28px; height:28px; border-radius:999px}
.small{color:rgba(14,27,36,.54); line-height:1.6; margin-top:8px}

/* Responsive */
@media (max-width: 920px){
  .pricing{grid-template-columns:1fr}
  nav.links{display:none}
  .h1{font-size:32px}
}
@media (max-width: 420px){
  .container{padding:0 14px}
  .h1{font-size:30px}
  .btn{padding:12px 12px}
  .hero-card{padding:20px 14px}
}

/* Utility */
.muted{color:var(--muted)}
.note{
  margin-top:12px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.92);
  color:rgba(14,27,36,.74);
  line-height:1.65;
}

/* Fire usage (<=1%): only for rare提醒/名额有限 */
.fire{color:var(--fire)}

/* Bullet color layers for plan cards */
.bullets li.dim { color: #6B7280; }
.bullets li.plus { font-weight: 700; }
.bullets li.plus--month { color: #2FAF9B; }
.bullets li.plus--quarter { color: #C9A86A; }

/* Client info modal */
.modal-overlay{
  position:fixed; inset:0; z-index:200;
  background:rgba(14,27,36,.55);
  backdrop-filter:blur(6px);
  display:flex; align-items:center; justify-content:center;
  padding:18px;
}
.modal-overlay[hidden]{display:none}
.modal-box{
  background:#FFFFFF;
  border-radius:calc(var(--radius) + 6px);
  box-shadow:0 20px 48px rgba(18,58,90,.22);
  padding:26px 22px;
  width:100%; max-width:380px;
  position:relative;
}
.modal-close{
  position:absolute; top:12px; right:14px;
  background:transparent; border:0; cursor:pointer;
  font-size:22px; line-height:1; color:rgba(14,27,36,.46);
}
.modal-close:hover{color:var(--text)}
.modal-title{margin:0 0 6px; font-size:18px; color:rgba(18,58,90,.92)}
.modal-desc{margin:0 0 18px; font-size:13px; color:rgba(14,27,36,.70); line-height:1.6}
.field{margin-bottom:14px}
.field label{display:block; margin-bottom:5px; font-size:13px; font-weight:700; color:rgba(18,58,90,.84)}
.field input{
  width:100%;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:12px;
  font-size:14px;
  font-family:var(--font);
  color:var(--text);
  background:#FAFBFC;
  outline:none;
}
.field input:focus{border-color:rgba(30,79,122,.38)}
.field input[aria-invalid="true"]{border-color:var(--fire)}
.field-err{display:block; margin-top:4px; font-size:12px; color:var(--fire)}
.modal-submit{width:100%; margin-top:4px; padding:13px}