/* ============================================================
   SPACE-I 服务页公共样式 —— services.html 与三级页共用
   铁律：与 landing.html 同源设计令牌（暖白底 #F7F6F2 / P 主推色）
   视觉：思源宋体标题 + 思源黑体正文，无 CDN 依赖
   ============================================================ */
:root{
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --ink:#3A3530;
  --muted:#6F675E;
  --line:#E6E0D4;
  --p:#D4A574;
  --p-deep:#B98654;
  --p-soft:#F0E2D0;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{
  background:var(--bg);color:var(--ink);line-height:1.7;
  font-family:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.font-serif{
  font-family:"Source Han Serif SC","Noto Serif SC","思源宋体","Songti SC",serif;
  font-weight:700;line-height:1.35;
}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px;}
a{color:inherit;text-decoration:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-block;border:none;cursor:pointer;text-align:center;
  font-family:inherit;font-weight:600;border-radius:999px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:active{transform:scale(.98);}
.btn-main{
  background:var(--p);color:#3A2E20;padding:15px 38px;font-size:16px;
  box-shadow:0 10px 24px rgba(212,165,116,.35);
}
.btn-main:hover{background:var(--p-deep);color:#fff;box-shadow:0 12px 30px rgba(185,134,84,.4);}
.btn-ghost{
  background:transparent;color:var(--ink);border:1.5px solid var(--p);padding:13px 34px;font-size:15px;
}
.btn-ghost:hover{background:var(--p-soft);}
.btn-submit{
  width:100%;background:var(--p);color:#3A2E20;padding:16px;font-size:16px;
  box-shadow:0 10px 24px rgba(212,165,116,.32);
}
.btn-submit:hover{background:var(--p-deep);color:#fff;}

/* ---------- 顶栏与导航 ---------- */
.topbar{background:var(--ink);color:#F5EFE6;font-size:12.5px;letter-spacing:.04em;}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;flex-wrap:wrap;gap:4px;}
.topbar .brand{font-weight:600;letter-spacing:.08em;}

.sitenav{position:sticky;top:0;z-index:60;background:rgba(247,246,242,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.sitenav .wrap{display:flex;align-items:center;justify-content:space-between;height:58px;}
.sitenav-brand{font-family:"Source Han Serif SC","Noto Serif SC","思源宋体",serif;font-weight:700;font-size:19px;color:var(--ink);letter-spacing:.04em;}
.sitenav-brand:hover{color:var(--p-deep);}
.sitenav-links{display:flex;gap:4px;list-style:none;align-items:center;}
.sitenav-links a{display:block;padding:9px 16px;border-radius:999px;font-size:15px;font-weight:500;color:var(--muted);transition:color .18s ease,background .18s ease;}
.sitenav-links a:hover{color:var(--p-deep);background:var(--p-soft);}
.sitenav-links a.active{color:#3A2E20;background:var(--p);}
.sitenav-toggle{display:none;background:none;border:none;font-size:24px;line-height:1;color:var(--ink);cursor:pointer;padding:6px 8px;}

/* ---------- 页头 ---------- */
.page-head{padding:56px 0 44px;background:linear-gradient(180deg,#FBF8F3 0%,var(--bg) 100%);border-bottom:1px solid var(--line);}
.page-head .kicker{font-size:12px;letter-spacing:.22em;color:var(--p-deep);font-weight:600;margin-bottom:12px;}
.page-head h1{font-size:34px;margin-bottom:14px;}
.page-head .sub{font-size:16px;color:var(--muted);max-width:760px;}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--p-deep);}
.breadcrumb a:hover{text-decoration:underline;}

/* ---------- 区块 ---------- */
.section{padding:56px 0;}
.section-head{margin-bottom:34px;}
.section-head .kicker{font-size:12px;letter-spacing:.22em;color:var(--p-deep);font-weight:600;margin-bottom:10px;}
.section-head h2{font-size:27px;margin-bottom:10px;}
.section-head p{color:var(--muted);font-size:15px;max-width:760px;}

/* ---------- 服务卡片（总览页） ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px;}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:28px 26px;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.svc-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(58,53,48,.09);border-color:var(--p);}
.svc-card .tag{
  display:inline-block;align-self:flex-start;font-size:12px;font-weight:600;
  color:var(--p-deep);background:var(--p-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.svc-card h3{font-size:20px;margin-bottom:8px;}
.svc-card .price{font-size:22px;font-weight:700;color:var(--p-deep);margin-bottom:6px;}
.svc-card .price small{font-size:13px;font-weight:400;color:var(--muted);}
.svc-card .desc{font-size:14.5px;color:var(--muted);flex:1;margin-bottom:18px;}
.svc-card ul{list-style:none;margin-bottom:20px;}
.svc-card ul li{font-size:14px;color:var(--ink);padding-left:18px;position:relative;margin-bottom:7px;}
.svc-card ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--p);}
.svc-card .btn{width:100%;}

/* ---------- 交付物清单 ---------- */
.deliver-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;}
.deliver{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px 22px;
}
.deliver .num{font-family:"Source Han Serif SC",serif;font-size:13px;font-weight:700;color:var(--p-deep);margin-bottom:6px;letter-spacing:.1em;}
.deliver h4{font-size:16px;font-weight:600;margin-bottom:6px;}
.deliver p{font-size:13.5px;color:var(--muted);}

/* ---------- 计价说明 ---------- */
.price-note{
  background:var(--p-soft);border-left:4px solid var(--p);border-radius:8px;
  padding:20px 24px;font-size:14.5px;color:var(--ink);
}
.price-note strong{display:block;margin-bottom:6px;font-size:15.5px;}

/* ---------- 表单 ---------- */
.form-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;}
.lead-box{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px 30px;}
.lead-box h3{font-size:20px;margin-bottom:6px;}
.lead-sub{font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;}
.field label .req{color:#C0392B;margin-left:2px;}
.field label .opt{color:var(--muted);font-weight:400;font-size:12.5px;margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:15px;color:var(--ink);background:var(--bg);
  transition:border-color .18s ease;box-sizing:border-box;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--p);background:var(--card);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.6;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.consent-row{display:flex;gap:10px;align-items:flex-start;margin:20px 0 18px;}
.consent-row input{width:17px;height:17px;margin-top:4px;flex-shrink:0;accent-color:var(--p-deep);}
.consent-row label{font-size:13.5px;color:var(--muted);line-height:1.65;}
.consent-row .err{display:none;color:#C0392B;font-size:13px;margin-top:4px;}
.lead-note{font-size:12.5px;color:var(--muted);margin-top:14px;text-align:center;}
.form-status{font-size:14px;margin-top:14px;padding:0;min-height:22px;}
.form-status.error{color:#C0392B;}
.form-status.success{color:#2E7D32;}
.form-status.warn{color:#B26A00;}

/* ---------- 侧栏要点 ---------- */
.side-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 24px;margin-bottom:18px;}
.side-card h4{font-size:16px;font-weight:600;margin-bottom:12px;}
.side-card ol,.side-card ul{margin-left:2px;}
.side-card ol li,.side-card ul li{font-size:14px;color:var(--muted);margin-bottom:9px;line-height:1.65;}
.side-card ol li strong,.side-card ul li strong{color:var(--ink);font-weight:600;}

/* ---------- 免责与页脚 ---------- */
.notice{background:#FBF8F3;border-top:1px solid var(--line);}
.notice p{font-size:13.5px;color:var(--muted);line-height:1.8;}
footer{background:var(--ink);color:#E8E2D8;text-align:center;padding:34px 0;}
footer .brand-line{font-size:15px;font-weight:600;margin-bottom:8px;letter-spacing:.04em;}
footer p{font-size:12.5px;color:#B8B0A4;margin-bottom:4px;}

/* ---------- 移动端 ---------- */
@media (max-width:860px){
  .form-wrap{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .sitenav-toggle{display:block;}
  .sitenav-links{position:absolute;left:0;right:0;top:58px;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:6px 0;box-shadow:0 8px 22px rgba(58,53,48,.08);display:none;}
  .sitenav-links.open{display:flex;}
  .sitenav-links a{text-align:center;padding:14px 16px;border-radius:0;font-size:16px;}
  .page-head h1{font-size:27px;}
  .section-head h2{font-size:22px;}
  .field-row{grid-template-columns:1fr;}
  .lead-box{padding:24px 20px;}
}