:root{
  --yellow:#FFD400;
  --yellow-deep:#EFB800;
  --yellow-soft:#FFF3B8;
  --ink:#171410;
  --ink-2:#4A443A;
  --ink-3:#7A7364;
  --line:#EDE4CC;
  --bg:#FFFCF3;
  --card:#FFFFFF;
  --radius:16px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background-color:var(--bg);
  background-image:
    radial-gradient(1000px 460px at 50% -160px, rgba(255,212,0,.38), rgba(255,212,0,0) 72%),
    linear-gradient(180deg,#FFFDF6 0%,#FFFCF3 100%);
  background-repeat:no-repeat;
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
h1,h2,h3,h4{line-height:1.35;margin:0;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
section{padding:72px 0;scroll-margin-top:84px;}
.section-tint{
  background:linear-gradient(180deg,rgba(255,246,214,0) 0%,rgba(255,244,199,.72) 18%,rgba(255,244,199,.72) 82%,rgba(255,246,214,0) 100%);
}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;padding:13px 26px;border-radius:12px;
  font-size:15px;font-weight:700;text-decoration:none;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  font-family:inherit;
}
.btn-primary{
  background:var(--yellow);color:#1A1710;
  box-shadow:0 4px 0 var(--yellow-deep);
}
.btn-primary:hover{transform:translateY(2px);box-shadow:0 2px 0 var(--yellow-deep);}
.btn-primary:active{transform:translateY(4px);box-shadow:0 0 0 var(--yellow-deep);}
.btn-ghost{
  background:#FFFFFF;color:var(--ink);border-color:var(--line);
  box-shadow:0 2px 0 rgba(23,20,16,.06);
}
.btn-ghost:hover{background:var(--yellow-soft);border-color:var(--yellow);transform:translateY(2px);}
.btn-dark{background:#1A1710;color:var(--yellow);}
.btn-dark:hover{transform:translateY(2px);background:#2A2418;}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,253,246,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:66px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none;}
.ai-page-logo{
  display:block;
  height:34px !important;
  width:auto !important;
  max-width:150px !important;
  object-fit:contain;
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.6px;white-space:nowrap;}
.nav{display:flex;align-items:center;gap:8px;}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0;}
.nav-links a{
  display:block;padding:8px 9px;font-size:14px;color:#3A342A;
  text-decoration:none;border-radius:8px;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--yellow-soft);color:var(--ink);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#1A1710;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#1A1710;transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:88px 0 76px;
  background:
    radial-gradient(760px 340px at 50% 0%, rgba(255,212,0,.42), rgba(255,212,0,0) 70%),
    repeating-linear-gradient(90deg, rgba(23,20,16,.045) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(23,20,16,.045) 0 1px, transparent 1px 64px);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,212,0,.55),rgba(255,212,0,0) 70%);
  pointer-events:none;
}
.hero-inner{position:relative;max-width:860px;margin:0 auto;text-align:center;}
.hero-tag{
  display:inline-block;background:#1A1710;color:var(--yellow);
  padding:6px 16px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.6px;
}
.hero h1{
  font-size:clamp(28px,5vw,50px);
  font-weight:900;letter-spacing:.5px;
  margin:22px 0 18px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(180deg,transparent 58%,var(--yellow) 58%,var(--yellow) 92%,transparent 92%);
  padding:0 4px;
}
.hero-sub{
  font-size:clamp(15px,1.6vw,17px);color:var(--ink-2);
  max-width:720px;margin:0 auto;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-top:44px;text-align:left;
}
.hero-stats li{
  background:#FFFFFF;border:1px solid var(--line);
  border-left:4px solid var(--yellow);
  border-radius:12px;padding:16px 16px 14px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.hero-stats li:hover{transform:translateY(-4px);box-shadow:0 14px 26px rgba(23,20,16,.08);}
.hero-stats strong{display:block;font-size:22px;font-weight:900;line-height:1.3;}
.hero-stats span{display:block;font-size:13px;color:var(--ink-3);margin-top:2px;}
@keyframes heroUp{from{opacity:0;transform:translateY(22px);}to{opacity:1;transform:none;}}
.hero-tag,.hero h1,.hero-sub,.hero-actions,.hero-stats{animation:heroUp .7s ease both;}
.hero h1{animation-delay:.06s;}
.hero-sub{animation-delay:.12s;}
.hero-actions{animation-delay:.18s;}
.hero-stats{animation-delay:.24s;}
/* ---------- section head ---------- */
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-eyebrow{
  display:inline-block;background:var(--yellow);color:#1A1710;
  font-size:13px;font-weight:800;letter-spacing:1px;
  padding:5px 14px;border-radius:8px;
}
.sec-head h2{font-size:clamp(23px,3.2vw,34px);font-weight:900;margin:16px 0 12px;}
.sec-head p{color:var(--ink-2);font-size:15.5px;}
/* ---------- generic cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(23,20,16,.09);border-color:#F2D97A;}
.card h3{font-size:17px;font-weight:800;margin-bottom:8px;}
.card p{font-size:14.5px;color:var(--ink-2);}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.svc-dot{
  display:block;width:34px;height:34px;border-radius:10px;
  background:var(--yellow);margin-bottom:14px;position:relative;
}
.svc-dot::after{
  content:"";position:absolute;inset:11px;border-radius:4px;background:#1A1710;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-block;padding:7px 14px;border-radius:999px;
  background:#FFFFFF;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tag:hover{background:var(--yellow-soft);border-color:var(--yellow);color:var(--ink);}
/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start;}
.about-text p{color:var(--ink-2);margin-bottom:14px;font-size:15.5px;}
.about-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px;}
.about-points li{
  background:#FFFFFF;border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;font-size:14.5px;font-weight:600;
}
.about-points li span{display:block;color:var(--ink-3);font-weight:400;font-size:13px;margin-top:2px;}
.about-side{
  background:linear-gradient(160deg,#1A1710 0%,#2A2418 100%);
  color:#FFF6D4;border-radius:var(--radius);padding:28px;
}
.about-side h3{color:var(--yellow);font-size:18px;margin-bottom:14px;}
.about-side p{color:#E6DCBB;font-size:14.5px;margin-bottom:16px;}
.about-side ul li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:#F3EAD0;padding:7px 0;border-bottom:1px dashed rgba(255,212,0,.28);
}
.about-side ul li:last-child{border-bottom:none;}
.about-side ul li::before{content:"";flex:none;width:7px;height:7px;border-radius:2px;background:var(--yellow);margin-top:9px;}
/* ---------- media ---------- */
.media{
  margin:0;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);background:#F7F1DF;
}
.media img{display:block;width:100%;height:100%;object-fit:cover;}
.media-square{aspect-ratio:1/1;}
.media-wide{aspect-ratio:16/9;}
.media-4x3{aspect-ratio:4/3;}
/* ---------- make ---------- */
.make-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start;}
.make-copy h3{font-size:20px;font-weight:900;margin-bottom:12px;}
.make-copy p{color:var(--ink-2);font-size:15px;margin-bottom:18px;}
.tick-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:10px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink-2);
}
.tick-list li:last-child{border-bottom:none;}
.tick-list li::before{
  content:"";flex:none;width:20px;height:20px;border-radius:6px;
  background:var(--yellow);margin-top:4px;position:relative;
}
.make-strip{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px;}
/* ---------- solutions ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.sol-card{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;border-top:4px solid var(--yellow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.sol-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(23,20,16,.08);}
.sol-card h3{font-size:16.5px;font-weight:800;margin-bottom:8px;}
.sol-card p{font-size:14px;color:var(--ink-2);}
/* ---------- network ---------- */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.net-item{
  background:#FFFFFF;border:1px solid var(--line);border-radius:14px;
  padding:20px;text-align:center;transition:background .22s ease,transform .22s ease;
}
.net-item:hover{background:var(--yellow-soft);transform:translateY(-3px);}
.net-item strong{display:block;font-size:15.5px;font-weight:800;margin-bottom:6px;}
.net-item span{font-size:13.5px;color:var(--ink-2);}
/* ---------- process ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.step{
  position:relative;background:#FFFFFF;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;background:var(--yellow);
  font-weight:900;font-size:15px;color:#1A1710;margin-bottom:14px;
}
.step h3{font-size:16.5px;font-weight:800;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);}
/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.case-item .media{transition:transform .3s ease,box-shadow .3s ease;}
.case-item:hover .media{transform:translateY(-5px);box-shadow:0 18px 34px rgba(23,20,16,.12);}
.case-cap{font-size:14px;color:var(--ink-2);margin-top:10px;}
/* ---------- review ---------- */
.review-grid{display:grid;grid-template-columns:300px 1fr;gap:28px;align-items:start;}
.score-card{
  background:linear-gradient(160deg,#FFE45C 0%,var(--yellow) 100%);
  border-radius:var(--radius);padding:28px;border:1px solid var(--yellow-deep);
  text-align:center;
}
.score-card .score-label{font-size:13.5px;font-weight:800;color:#4A3B00;letter-spacing:1px;}
.score-card .score-num{font-size:54px;font-weight:900;line-height:1.1;color:#1A1710;margin:10px 0 2px;}
.score-card .score-num small{font-size:17px;font-weight:700;color:#4A3B00;}
.score-stars{font-size:20px;letter-spacing:4px;color:#1A1710;margin:6px 0 12px;}
.score-card p{font-size:13.5px;color:#3D3200;}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);border:1px solid var(--line);background:#fff;}
table{width:100%;border-collapse:collapse;min-width:520px;font-size:14.5px;}
thead th{
  background:#1A1710;color:var(--yellow);text-align:left;
  padding:14px 16px;font-weight:700;white-space:nowrap;
}
tbody td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:nth-child(even){background:#FFFCF0;}
tbody td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
td.good{color:#1A1710;font-weight:700;}
/* ---------- band ---------- */
.band{
  background:linear-gradient(120deg,#1A1710 0%,#2F2712 100%);
  padding:56px 0;
}
.band-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.band-tag{
  display:inline-block;background:var(--yellow);color:#1A1710;
  font-size:12.5px;font-weight:800;letter-spacing:1px;
  padding:5px 14px;border-radius:8px;
}
.band h2{font-size:clamp(21px,2.8vw,29px);font-weight:900;color:#FFF8DE;margin:14px 0 10px;}
.band p{color:#E3D9B7;font-size:14.5px;max-width:640px;}
/* ---------- form ---------- */
.form-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:start;}
.contact-mini li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);
  padding:9px 0;border-bottom:1px dashed var(--line);
}
.contact-mini li:last-child{border-bottom:none;}
.contact-mini b{color:var(--ink);font-weight:700;}
.demand-form{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.field{display:flex;flex-direction:column;gap:6px;}
.field-full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:700;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border-radius:10px;
  border:1px solid #E3DAC2;background:#FFFDF7;color:var(--ink);
  font-size:14.5px;font-family:inherit;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--yellow);box-shadow:0 0 0 3px rgba(255,212,0,.28);background:#fff;
}
.field textarea{resize:vertical;min-height:110px;}
.form-note{grid-column:1 / -1;font-size:13px;color:var(--ink-3);}
/* ---------- reviews ---------- */
.review-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review-card{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:transform .22s ease,box-shadow .22s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(23,20,16,.08);}
.review-card .quote{font-size:14.5px;color:var(--ink-2);margin-bottom:16px;}
.review-who{display:flex;align-items:center;gap:10px;}
.avatar{
  width:38px;height:38px;border-radius:10px;background:var(--yellow);
  display:flex;align-items:center;justify-content:center;font-weight:900;color:#1A1710;flex:none;
}
.review-who strong{display:block;font-size:14px;font-weight:800;}
.review-who span{display:block;font-size:12.5px;color:var(--ink-3);}
/* ---------- help ---------- */
.help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.help-card{
  background:#FFFFFF;border:1px solid var(--line);border-radius:14px;padding:22px;
  transition:border-color .22s ease,transform .22s ease;
}
.help-card:hover{border-color:var(--yellow);transform:translateY(-3px);}
.help-card h3{font-size:15.5px;font-weight:800;margin-bottom:6px;}
.help-card p{font-size:13.5px;color:var(--ink-2);}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#FFFFFF;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:var(--yellow);box-shadow:0 12px 24px rgba(23,20,16,.07);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 20px;
  font-size:15.5px;font-weight:700;position:relative;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:20px;top:50%;width:10px;height:10px;
  border-right:2px solid #1A1710;border-bottom:2px solid #1A1710;
  transform:translateY(-70%) rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-item .faq-body{padding:0 20px 20px;font-size:14.5px;color:var(--ink-2);}
/* ---------- wiki ---------- */
.wiki-box{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;
}
.wiki-box p{color:var(--ink-2);font-size:15px;margin-bottom:6px;}
/* ---------- news ---------- */
.news-list{display:grid;gap:12px;}
.news-item{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  background:#FFFFFF;border:1px solid var(--line);border-radius:14px;
  padding:16px 20px;text-decoration:none;
  transition:border-color .22s ease,transform .22s ease,background .22s ease;
}
.news-item:hover{border-color:var(--yellow);transform:translateX(4px);background:#FFFDF0;}
.news-item strong{font-size:15px;font-weight:700;}
.news-item span{font-size:13px;color:var(--ink-3);}
/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.contact-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.contact-cell{
  background:#FFFFFF;border:1px solid var(--line);border-radius:14px;padding:18px;
}
.contact-cell b{display:block;font-size:13px;color:var(--ink-3);font-weight:600;margin-bottom:4px;}
.contact-cell span{font-size:15px;font-weight:700;word-break:break-all;}
.qr-card{
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;text-align:center;
}
.qr-card img{
  display:block;width:100%;max-width:190px;height:auto;margin:0 auto 14px;
  border-radius:12px;border:1px solid var(--line);
}
.qr-card p{font-size:13.5px;color:var(--ink-2);}
/* ---------- footer ---------- */
.site-footer{
  background:#14110C;color:#D9CFB3;padding:48px 0 22px;margin-top:0;
}
.footer-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;}
.footer-title{font-size:19px;font-weight:900;color:var(--yellow);margin-bottom:12px;}
.footer-brand p{font-size:14px;color:#C4B998;max-width:520px;margin-bottom:8px;}
.footer-contact{font-size:13.5px;color:#AEA386;}
.footer-links h3{font-size:15px;font-weight:800;color:#FFF3C4;margin-bottom:14px;}
.footer-links ul{display:flex;flex-wrap:wrap;gap:10px 18px;}
.footer-links a{
  font-size:13.5px;color:#C9BF9E;text-decoration:none;transition:color .2s ease;
}
.footer-links a:hover{color:var(--yellow);}
.footer-bottom{
  margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,212,0,.2);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
}
.footer-bottom p,.footer-bottom a{font-size:13px;color:#A79C7F;text-decoration:none;}
.footer-bottom a:hover{color:var(--yellow);}
/* ---------- float ---------- */
.float-tools{position:fixed;right:18px;bottom:20px;z-index:90;display:flex;flex-direction:column;gap:10px;align-items:flex-end;}
.float-btn{
  width:50px;height:50px;border-radius:14px;border:1px solid var(--line);
  background:#FFFFFF;color:#1A1710;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;font-family:inherit;
  box-shadow:0 8px 20px rgba(23,20,16,.14);transition:transform .2s ease,background .2s ease;
}
.float-btn:hover{background:var(--yellow);transform:translateY(-3px);}
#toTop{display:none;}
#toTop.show{display:flex;}
.kefu-panel{
  display:none;width:236px;background:#FFFFFF;border:1px solid var(--line);
  border-radius:16px;padding:16px;box-shadow:0 18px 40px rgba(23,20,16,.18);text-align:center;
}
.kefu-panel.open{display:block;animation:heroUp .25s ease both;}
.kefu-panel img{width:100%;max-width:170px;height:auto;display:block;margin:0 auto 10px;border-radius:10px;border:1px solid var(--line);}
.kefu-panel p{font-size:13px;color:var(--ink-2);}
.kefu-panel strong{display:block;color:var(--ink);font-size:14px;margin-bottom:4px;}
/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.js .reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .js .reveal{opacity:1;transform:none;transition:none;}
  .hero-tag,.hero h1,.hero-sub,.hero-actions,.hero-stats{animation:none;}
}
/* ---------- responsive ---------- */
@media (max-width:1119px){
  .nav-toggle{display:flex;}
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#FFFDF6;border-bottom:1px solid var(--line);
    padding:10px 20px 20px;box-shadow:0 20px 36px rgba(23,20,16,.1);
  }
  .nav.open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;}
  .nav-links a{padding:12px 8px;border-bottom:1px solid #F4EDD8;font-size:15px;border-radius:0;}
  .nav-cta{margin-top:14px;justify-content:center;text-align:center;}
  .svc-grid,.sol-grid,.step-grid{grid-template-columns:repeat(2,1fr);}
  .review-cards,.help-grid{grid-template-columns:repeat(2,1fr);}
  .net-grid{grid-template-columns:repeat(2,1fr);}
  .review-grid{grid-template-columns:1fr;}
  .about-grid,.make-grid,.form-grid,.contact-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:720px){
  section{padding:52px 0;}
  .hero{padding:60px 0 56px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px;}
  .svc-grid,.sol-grid,.step-grid,.case-grid,.make-strip,.review-cards,.help-grid,.net-grid,.contact-list{grid-template-columns:1fr;}
  .about-points{grid-template-columns:1fr;}
  .demand-form{grid-template-columns:1fr;padding:20px;}
  .brand-name{font-size:16px;}
  .score-card .score-num{font-size:44px;}
  .float-tools{right:12px;bottom:14px;}
  .float-btn{width:46px;height:46px;font-size:12px;}
}