*,*::before,*::after{box-sizing:border-box}
:root{--amber:#F59E0B;--ink:#1E293B;--green:#10B981;--bg:#fff;--soft:#F8FAFC;--line:#E2E8F0;--muted:#64748B}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.nav{display:flex;align-items:center;gap:22px;height:68px}
.logo{font-weight:800;letter-spacing:-.02em;font-size:19px;display:flex;align-items:center;gap:9px}
.logo i{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--amber),#FB923C);display:block}
.nav nav{display:flex;gap:20px;margin-left:auto;flex-wrap:wrap}
.nav nav a{font-size:14.5px;color:#334155;font-weight:500}
.nav nav a:hover{color:var(--amber)}
.cta{background:var(--ink);color:#fff;padding:10px 16px;border-radius:9px;font-size:14px;font-weight:600;white-space:nowrap}
.cta:hover{background:#0f172a}
.hero{padding:72px 0 60px;background:linear-gradient(180deg,#FFFBF3,#fff)}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:#B45309;background:#FEF3C7;padding:6px 11px;border-radius:999px;font-weight:700}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.12;letter-spacing:-.025em;margin:18px 0 16px;font-weight:800}
h2{font-size:clamp(23px,2.6vw,32px);line-height:1.22;letter-spacing:-.02em;margin:0 0 14px;font-weight:750}
h3{font-size:18.5px;margin:0 0 8px;font-weight:700;letter-spacing:-.01em}
.lead{font-size:17.5px;color:#475569;max-width:60ch}
.btn{display:inline-block;background:var(--amber);color:#1a1205;font-weight:700;padding:14px 24px;border-radius:11px;margin:22px 10px 0 0}
.btn:hover{background:#D97706;color:#fff}
.btn.ghost{background:#fff;border:1.5px solid var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--ink);background:#fff}
.hero figure{margin:0;border-radius:18px;overflow:hidden;box-shadow:0 24px 60px -28px rgba(15,23,42,.45)}
.hero figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
section{padding:62px 0}
section.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px;margin-top:30px}
.card{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff;transition:.18s}
.card:hover{transform:translateY(-2px);box-shadow:0 14px 34px -20px rgba(15,23,42,.4);border-color:#CBD5E1}
.card p{margin:6px 0 0;color:#475569;font-size:14.6px}
.card .ico{width:38px;height:38px;border-radius:10px;background:#FEF3C7;display:grid;place-items:center;font-size:19px;margin-bottom:12px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px;margin-top:32px}
.cat{display:block;border:1px solid var(--line);border-radius:15px;overflow:hidden;background:#fff;transition:.2s}
.cat:hover{box-shadow:0 18px 44px -24px rgba(15,23,42,.5);border-color:#CBD5E1;transform:translateY(-2px)}
.cat img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--soft)}
.cat .body{padding:18px 20px 20px}
.cat .more{color:var(--amber);font-weight:700;font-size:14px;margin-top:10px;display:block}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:18px;margin-top:26px}
.stat{background:#fff;border:1px solid var(--line);border-radius:13px;padding:20px}
.stat b{display:block;font-size:30px;letter-spacing:-.03em;color:var(--ink)}
.stat span{font-size:13.5px;color:var(--muted)}
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:22px;margin-top:30px}
.prod{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:.18s}
.prod:hover{box-shadow:0 16px 38px -24px rgba(15,23,42,.5);border-color:#CBD5E1}
.prod img{width:100%;aspect-ratio:1/1;object-fit:cover;background:#F1F5F9}
.prod .pb{padding:13px 14px 15px;display:flex;flex-direction:column;gap:6px;flex:1}
.prod h3{font-size:14.6px;line-height:1.35;margin:0;font-weight:650;letter-spacing:0}
.prod .meta{font-size:12.5px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.prod .meta b{color:#B45309;font-weight:700}
.bread{font-size:13px;color:var(--muted);padding:18px 0 0}
.bread a:hover{color:var(--amber)}
.sec-head{max-width:70ch}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
ul.checks{list-style:none;padding:0;margin:20px 0 0}
ul.checks li{padding-left:30px;position:relative;margin-bottom:11px;color:#334155}
ul.checks li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;background:#D1FAE5;color:#047857;border-radius:50%;font-size:12px;display:grid;place-items:center;font-weight:800}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font-weight:650;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--amber);font-weight:800}
.faq details[open] summary::after{content:"–"}
.faq p{margin:12px 0 0;color:#475569}
.formbox{border:1px solid var(--line);border-radius:16px;padding:26px;background:#fff}
.field{margin-bottom:15px}
.field label{display:block;font-size:13.5px;font-weight:650;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font:inherit;font-size:14.6px;background:#fff}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid #FCD34D;border-color:var(--amber)}
button.submit{width:100%;background:var(--ink);color:#fff;border:0;padding:14px;border-radius:10px;font:inherit;font-weight:700;cursor:pointer}
button.submit:hover{background:#0f172a}
.note{font-size:12.5px;color:var(--muted);margin-top:12px}
footer.site{background:var(--ink);color:#CBD5E1;padding:52px 0 26px;font-size:14.2px}
footer.site a:hover{color:var(--amber)}
.fcols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
footer.site h4{color:#fff;font-size:14px;margin:0 0 12px;letter-spacing:.04em;text-transform:uppercase}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin-bottom:8px}
.fbottom{border-top:1px solid #334155;margin-top:34px;padding-top:18px;font-size:13px;color:#94A3B8;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.inline-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.chip{border:1px solid var(--line);padding:7px 13px;border-radius:999px;font-size:13.4px;color:#334155;background:#fff}
.chip:hover{border-color:var(--amber);color:#B45309}
@media(max-width:860px){
 .hero .grid,.split{grid-template-columns:1fr;gap:32px}
 .nav nav{display:none}
 .fcols{grid-template-columns:1fr 1fr}
 footer.site{padding-top:40px}
 section{padding:46px 0}
}
@media(max-width:520px){.fcols{grid-template-columns:1fr}.prod-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}}

.pdp-hero{padding-top:34px}
.pdp-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start}
.pdp-fig{margin:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#F8FAFC}
.pdp-fig img{width:100%;max-height:640px;object-fit:contain}
.pdp-info .lead{font-size:16.5px;margin-bottom:16px}
.pdp-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.pdp-cta .btn{margin-top:0}
.feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin-top:28px}
.feat{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff}
.feat .fi{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:#FEF3C7;color:#B45309;font-weight:800;font-size:12.5px;margin-bottom:10px}
.feat h3{font-size:16.5px}
.feat p{margin:6px 0 0;color:#475569;font-size:14.6px}
table.specs{width:100%;border-collapse:collapse;font-size:14.6px;margin-top:6px}
table.specs th{width:42%;text-align:left;color:#475569;font-weight:600;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
table.specs td{padding:9px 10px;border-bottom:1px solid var(--line);color:#1E293B}
.pdp-note{margin-top:16px;border:1px solid #FDE68A;background:#FFFBEB;border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:6px;font-size:14px}
.pdp-note .muted{color:#92400E;font-size:12.6px}
ol.steps{margin:14px 0 0;padding-left:20px;color:#334155}
ol.steps li{margin-bottom:10px}
@media(max-width:860px){.pdp-grid{grid-template-columns:1fr;gap:26px}.pdp-fig img{max-height:none}}
.badges{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-top:24px}
.badge{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px 18px}
.badge b{display:block;font-size:16px;color:var(--ink);letter-spacing:-.01em}
.badge span{display:block;margin-top:4px;font-size:13.4px;color:var(--muted);line-height:1.45}
.finishes{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.finish{display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:#fff;border-radius:11px;padding:9px 13px;font-size:13.8px;color:#334155}
.finish i{width:18px;height:18px;border-radius:50%;border:1px solid rgba(15,23,42,.12);display:block}
/* 浮动快捷询盘栏（全站） */
.qrail{position:fixed;right:18px;bottom:96px;z-index:60;display:flex;flex-direction:column;gap:10px}
.qrail a,.qrail button{position:relative;width:50px;height:50px;border-radius:50%;border:0;display:grid;place-items:center;cursor:pointer;
  background:#22C55E;color:#fff;box-shadow:0 6px 18px rgba(15,23,42,.18);transition:transform .16s ease,background .16s ease}
.qrail a:hover,.qrail button:hover{transform:translateX(-3px);background:#16A34A}
.qrail svg{width:26px;height:26px;fill:currentColor}
.qrail .lbl{position:absolute;right:60px;top:50%;transform:translateY(-50%) translateX(6px);opacity:0;pointer-events:none;
  white-space:nowrap;background:#0F172A;color:#fff;font-size:12.5px;padding:7px 11px;border-radius:8px;transition:opacity .16s,transform .16s}
.qrail a:hover .lbl,.qrail button:hover .lbl{opacity:1;transform:translateY(-50%) translateX(0)}
.qrail .wa{background:#25D366}.qrail .wa:hover{background:#1EBE5B}
.qrail .top{background:#334155}.qrail .top:hover{background:#1E293B}
@media(max-width:860px){
  /* 手机上改成底部固定联系条（比右侧浮球更好点） */
  body{padding-bottom:62px}
  .qrail{left:0;right:0;bottom:0;flex-direction:row;justify-content:space-around;align-items:center;gap:0;
    background:#fff;border-top:1px solid var(--line);padding:7px 8px calc(7px + env(safe-area-inset-bottom));
    box-shadow:0 -6px 18px rgba(15,23,42,.10)}
  .qrail a,.qrail button{width:52px;height:52px;box-shadow:none}
  .qrail a:hover,.qrail button:hover{transform:none}
  .qrail svg{width:23px;height:23px}
  .qrail .lbl{display:none}
  .qrail .top{display:none}
}