:root{
  --red:#D8232A;
  --red-dark:#B3161C;
  --red-deep:#8E1114;
  --orange:#F0553F;
  --ink:#20100F;
  --ink2:#4A3634;
  --muted:#6B5654;
  --bg:#FFF8F5;
  --line:#F2DCD5;
  --tint:#FFF1EC;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:#FFF8F5;
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{text-decoration:none;color:inherit}
h1,h2,h3,h4{line-height:1.32;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section{scroll-margin-top:88px}
.section{padding:64px 0}
.section--soft{background:linear-gradient(180deg,#FFF0EA 0%,#FFF8F5 100%)}
.section-head{max-width:800px;margin-bottom:34px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:.12em;color:#C21E24;
}
.kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,#E23B2E,#FF8A4C)}
h2{font-size:clamp(23px,3vw,33px);color:#20100F;margin:12px 0 12px;letter-spacing:-.01em;font-weight:800}
.section-head p{color:var(--muted);font-size:15.5px}
h3{font-size:17px;color:#20100F;font-weight:800}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-primary{background:linear-gradient(135deg,#E42A2E,#B7161C);color:#fff;box-shadow:0 12px 26px -12px rgba(196,26,32,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(196,26,32,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-light{background:#fff;color:#B7161C;box-shadow:0 14px 28px -14px rgba(0,0,0,.55)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(0,0,0,.6)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,245,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid #F4DCD5;
}
.nav-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16.5px;color:#20100F;letter-spacing:.01em}
.brand .ai-page-logo{display:block;width:auto;max-height:34px;object-fit:contain}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:nowrap}
.nav-links a{
  display:block;padding:9px 11px;border-radius:8px;
  font-size:14.5px;font-weight:600;color:#4A3634;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#C21E24;background:rgba(216,35,42,.08)}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-cta{padding:10px 18px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:38px;border-radius:10px;border:1px solid #F0D2CA;
  background:#fff;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#B3161C;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:84px 0 76px;
  background:
    radial-gradient(900px 460px at 88% -6%,rgba(255,138,76,.55) 0%,rgba(255,138,76,0) 62%),
    linear-gradient(150deg,#7C0E12 0%,#AE151B 40%,#D8232A 72%,#EE5138 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.07) 0 1px,transparent 1px 46px);
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-200px;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),rgba(255,255,255,0) 68%);
  pointer-events:none;animation:glow 12s ease-in-out infinite alternate;
}
@keyframes glow{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(-24px,26px,0) scale(1.08)}}
.hero-inner{position:relative;z-index:2}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.hero-tags span{
  padding:6px 14px;border-radius:999px;font-size:13px;color:#FFE7E1;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.34);
}
.hero h1{
  font-size:clamp(27px,4.3vw,50px);font-weight:800;letter-spacing:-.02em;
  margin:0 0 18px;color:#fff;max-width:900px;
}
.hero-lead{max-width:760px;font-size:clamp(15px,1.6vw,17.5px);color:#FFE2DB;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:46px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  border-radius:16px;padding:18px 18px;
  transition:transform .3s ease,background .3s ease,border-color .3s ease;
}
.stat:hover{transform:translateY(-4px);background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.45)}
.stat b{display:block;font-size:clamp(20px,2.4vw,27px);line-height:1.25;color:#fff;font-weight:800}
.stat span{display:block;margin-top:4px;font-size:13px;color:#FFD7CE}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
.about-copy p{color:var(--ink2);font-size:15.5px;margin-bottom:18px}
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px}
.check-list li{
  position:relative;padding:14px 16px 14px 38px;background:#fff;
  border:1px solid var(--line);border-radius:12px;
  font-size:14.5px;color:#4A3634;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-list li::before{
  content:"";position:absolute;left:15px;top:20px;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,#F0553F,#B3161C);
}
.check-list li:hover{transform:translateY(-3px);box-shadow:0 14px 26px -20px rgba(141,17,20,.8);border-color:#EFC7BD}
.check-list strong{display:block;font-size:14.5px;color:#20100F;font-weight:800}
.check-list span{display:block;font-size:13px;color:#7A6360;line-height:1.6;margin-top:2px}
.about-media{display:grid;gap:18px}
.about-media figure{margin:0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#fff}
.about-media .media-box{aspect-ratio:16/9;overflow:hidden}
.about-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.about-media figure:hover img{transform:scale(1.04)}

/* ===== Cards ===== */
.grid-services{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.svc-card h3{position:relative;padding-left:14px;margin-bottom:10px}
.svc-card h3::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,#F0553F,#B3161C);
}
.svc-card p{font-size:14.5px;color:#5C4745}
.svc-card:hover{transform:translateY(-5px);box-shadow:0 22px 38px -26px rgba(141,17,20,.75);border-color:#EFC7BD}
.model-block{margin-top:34px;padding:26px 24px;background:#fff;border:1px solid var(--line);border-radius:16px}
.model-block h3{margin-bottom:14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag{
  padding:7px 14px;border-radius:999px;font-size:13.5px;color:#7A3A34;
  background:#FFF7F4;border:1px solid #F2D8CF;
  transition:transform .2s ease,color .2s ease,border-color .2s ease,background .2s ease;
}
.tag:hover{transform:translateY(-2px);color:#B7161C;border-color:#E9AFA2;background:#FFF0EA}

/* ===== Scenes ===== */
.grid-scenes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card h3{font-size:15.5px;margin-bottom:8px}
.scene-card p{font-size:13.5px;color:#6B5654;line-height:1.65}
.scene-card:hover{transform:translateY(-4px);border-color:#E9AFA2;box-shadow:0 18px 30px -24px rgba(141,17,20,.85)}
.scene-note{
  margin-top:22px;padding:16px 20px;border-radius:14px;
  background:linear-gradient(120deg,#FFF1EC,#FFF8F5);
  border:1px dashed #E9B8AC;color:#7A3A34;font-size:14px;
}

/* ===== Solutions ===== */
.grid-solutions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.sol-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  overflow:hidden;transition:transform .28s ease,box-shadow .28s ease;
}
.sol-card::after{
  content:"";position:absolute;right:-30px;bottom:-30px;width:90px;height:90px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,85,63,.16),rgba(240,85,63,0) 70%);
  transition:transform .4s ease;
}
.sol-card:hover{transform:translateY(-5px);box-shadow:0 22px 36px -28px rgba(141,17,20,.8)}
.sol-card:hover::after{transform:scale(1.35)}
.sol-card h3{margin-bottom:8px}
.sol-card p{font-size:14.5px;color:#5C4745}

/* ===== Process ===== */
.grid-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 18px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:0 20px 34px -26px rgba(141,17,20,.8)}
.step-num{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,#F0553F,#B3161C);color:#fff;font-weight:800;font-size:15px;
  margin-bottom:14px;
}
.step h3{font-size:15.5px;margin-bottom:6px}
.step p{font-size:13.5px;color:#6B5654}

/* ===== Cases ===== */
.grid-cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease;
}
.case-media{aspect-ratio:4/3;overflow:hidden;background:#FFF1EC}
.case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.case-body{padding:18px 20px}
.case-body h3{font-size:15.5px;margin-bottom:6px}
.case-body p{font-size:13.5px;color:#6B5654}
.case-card:hover{transform:translateY(-5px);box-shadow:0 24px 40px -28px rgba(141,17,20,.8)}
.case-card:hover .case-media img{transform:scale(1.05)}

/* ===== Network ===== */
.grid-network{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.net-item{
  background:#fff;border:1px solid var(--line);border-left:4px solid #E23B2E;
  border-radius:14px;padding:20px 18px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.net-item:hover{transform:translateY(-3px);box-shadow:0 18px 30px -24px rgba(141,17,20,.8)}
.net-item h3{font-size:15.5px;margin-bottom:6px}
.net-item p{font-size:13.5px;color:#6B5654}

/* ===== Review ===== */
.review-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:26px;align-items:start}
.score-card{
  background:linear-gradient(160deg,#8E1114 0%,#C21E24 55%,#EE5138 100%);
  color:#fff;border-radius:18px;padding:30px 26px;
  box-shadow:0 26px 44px -30px rgba(141,17,20,.9);
}
.score-label{font-size:13px;letter-spacing:.16em;color:#FFD3CB;font-weight:700}
.score-num{font-size:58px;font-weight:800;line-height:1.1;margin:8px 0 4px;color:#fff}
.score-num span{font-size:18px;font-weight:700;color:#FFD3CB;margin-left:4px}
.stars{font-size:20px;letter-spacing:3px;color:#FFD166;margin-bottom:6px}
.score-card .score-sub{font-size:15px;font-weight:700;color:#fff}
.score-card .score-desc{font-size:13.5px;color:#FFDDD6;margin-top:10px;line-height:1.65}

/* ===== Tables ===== */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff;
  -webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px}
thead th{
  background:#FFF1EC;color:#8E1114;text-align:left;padding:14px 16px;
  font-weight:800;white-space:nowrap;
}
tbody td{padding:14px 16px;border-top:1px solid #F7E5DF;color:#4A3634;vertical-align:top}
tbody td:first-child{font-weight:700;color:#20100F;white-space:nowrap}
tbody tr{transition:background .2s ease}
tbody tr:hover{background:#FFFAF8}
.col-best{background:#FFF6F1;color:#B3161C!important;font-weight:700}
.table-note{margin-top:14px;font-size:13.5px;color:#7A6360}

/* ===== Reviews ===== */
.grid-reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.review-card{
  display:flex;flex-direction:column;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.review-card p{font-size:14.5px;color:#4A3634;line-height:1.75}
.review-card:hover{transform:translateY(-5px);border-color:#EFC7BD;box-shadow:0 22px 38px -28px rgba(141,17,20,.8)}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  flex:none;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#F0553F,#B3161C);color:#fff;font-weight:800;font-size:15px;
}
.review-user strong{display:block;font-size:14.5px;color:#20100F;line-height:1.4}
.review-user span{display:block;font-size:12.5px;color:#8A716E}

/* ===== Help ===== */
.grid-help{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.help-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.help-card h3{font-size:15px;margin-bottom:6px}
.help-card p{font-size:13.5px;color:#6B5654}
.help-card:hover{transform:translateY(-4px);border-color:#E9AFA2;box-shadow:0 18px 30px -24px rgba(141,17,20,.8)}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-color:#E9AFA2;box-shadow:0 18px 32px -28px rgba(141,17,20,.9)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;border:0;background:transparent;cursor:pointer;
  font-family:inherit;font-size:15.5px;font-weight:700;color:#20100F;text-align:left;
}
.faq-q:hover{color:#B3161C}
.faq-icon{position:relative;flex:none;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:#C21E24;border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .28s ease,opacity .28s ease;
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 20px 18px;font-size:14.5px;color:#5C4745;line-height:1.75}

/* ===== News ===== */
.news-list{display:grid;gap:12px}
.news-item{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-item:hover{transform:translateX(4px);border-color:#E9AFA2;box-shadow:0 16px 28px -24px rgba(141,17,20,.9)}
.news-item strong{display:block;font-size:15px;color:#20100F;font-weight:700}
.news-item em{display:block;font-style:normal;font-size:12.5px;color:#8A716E;margin-top:2px}
.news-arrow{flex:none;color:#D8232A;font-weight:800;font-size:15px}

/* ===== Partner ===== */
.partner-band{
  background:linear-gradient(120deg,#8E1114 0%,#C21E24 60%,#EE5138 100%);
  border-radius:20px;padding:34px 30px;color:#fff;
  display:grid;grid-template-columns:1.3fr .7fr;gap:26px;align-items:center;
  box-shadow:0 30px 50px -34px rgba(141,17,20,.95);
}
.partner-band h2{color:#fff;margin-top:0}
.partner-band p{color:#FFDDD6;font-size:14.5px}
.partner-points{display:grid;gap:10px;margin-top:16px}
.partner-points li{
  position:relative;padding-left:20px;font-size:14.5px;color:#FFE8E2;
}
.partner-points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:#FFD166;
}
.partner-actions{display:flex;flex-direction:column;gap:12px}

/* ===== Contact / Form ===== */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:start}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;
  box-shadow:0 24px 44px -36px rgba(141,17,20,.6);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:700;color:#4A3634}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid #EBD4CD;
  background:#FFFCFB;color:#20100F;font-family:inherit;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#A9908C}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#E0433A;background:#fff;box-shadow:0 0 0 3px rgba(216,35,42,.12);
}
.field textarea{resize:vertical;min-height:110px}
.form-tip{font-size:13px;color:#8A716E;margin-top:12px}
.form-submit{width:100%;margin-top:4px}

.contact-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.contact-card h3{margin-bottom:14px}
.contact-list{display:grid;gap:12px}
.contact-list li{display:flex;gap:10px;font-size:14.5px;color:#4A3634;align-items:flex-start}
.contact-list b{flex:none;color:#8E1114;font-weight:800;font-size:13.5px;min-width:74px}
.contact-list a{color:#B3161C;font-weight:700;word-break:break-all}
.contact-list a:hover{text-decoration:underline}
.qr-box{
  margin-top:20px;padding-top:20px;border-top:1px dashed #EBD4CD;
  display:flex;align-items:center;gap:16px;
}
.qr-box img{
  width:110px;height:110px;object-fit:contain;border-radius:12px;
  border:1px solid var(--line);background:#FFF7F4;padding:4px;flex:none;
}
.qr-box p{font-size:13.5px;color:#6B5654}
.qr-box strong{display:block;color:#20100F;font-size:14.5px;font-weight:800}

/* ===== Footer ===== */
.site-footer{
  background:#2A100F;color:#F3D9D3;padding:48px 0 22px;margin-top:8px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:32px;align-items:start}
.footer-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16.5px;color:#fff}
.footer-brand .ai-page-logo{display:block;width:auto;max-height:32px;object-fit:contain}
.site-footer p{font-size:13.5px;color:#DDB6AF;line-height:1.75;margin-top:12px}
.site-footer h4{font-size:14px;color:#fff;margin:0 0 14px;font-weight:800}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13.5px;color:#F0C8C1;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#FFD166;transform:translateX(3px)}
.footer-bottom{
  margin-top:34px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:#CFA49D;
}
.footer-bottom a{color:#FFD166}

/* ===== Float ===== */
.float-bar{position:fixed;right:16px;bottom:20px;z-index:90;display:flex;flex-direction:column;gap:10px;align-items:center}
.float-link{
  display:grid;place-items:center;width:52px;height:52px;border-radius:16px;
  background:linear-gradient(135deg,#E42A2E,#B3161C);color:#fff;font-size:12.5px;font-weight:800;
  box-shadow:0 14px 26px -12px rgba(180,22,28,.9);line-height:1.2;
  transition:transform .25s ease,box-shadow .25s ease;
}
.float-link:hover{transform:translateY(-3px);box-shadow:0 18px 30px -12px rgba(180,22,28,.95)}
.to-top{
  width:44px;height:44px;border-radius:50%;border:1px solid #F0D2CA;background:#fff;color:#B3161C;
  display:grid;place-items:center;cursor:pointer;padding:0;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .3s ease,transform .3s ease,box-shadow .25s ease;
  box-shadow:0 10px 22px -16px rgba(0,0,0,.6);
}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{box-shadow:0 14px 26px -14px rgba(0,0,0,.5)}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.stagger.in>*{opacity:1;transform:none}
.stagger.in>*:nth-child(1){transition-delay:0s}
.stagger.in>*:nth-child(2){transition-delay:.06s}
.stagger.in>*:nth-child(3){transition-delay:.12s}
.stagger.in>*:nth-child(4){transition-delay:.18s}
.stagger.in>*:nth-child(5){transition-delay:.24s}
.stagger.in>*:nth-child(6){transition-delay:.3s}
.stagger.in>*:nth-child(7){transition-delay:.36s}
.stagger.in>*:nth-child(8){transition-delay:.42s}

/* ===== Responsive ===== */
@media (max-width:1120px){
  .nav-toggle{display:flex}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:#fff;border:1px solid #F4DCD5;border-top:0;border-radius:0 0 16px 16px;
    box-shadow:0 24px 36px -26px rgba(0,0,0,.45);
    padding:8px 12px 14px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 10px;font-size:15px;border-radius:8px}
  .grid-scenes{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid-steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid-help{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:960px){
  .about-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .grid-services,.grid-solutions,.grid-cases,.grid-reviews{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-network{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .partner-band{grid-template-columns:1fr}
}
@media (max-width:720px){
  .section{padding:48px 0}
  .hero{padding:62px 0 56px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .check-list{grid-template-columns:1fr}
  .grid-scenes,.grid-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .contact-card{padding:22px}
  .qr-box{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .grid-services,.grid-solutions,.grid-cases,.grid-reviews,.grid-network,.grid-help,.grid-scenes{grid-template-columns:1fr}
  .nav-cta{padding:9px 14px;font-size:13px}
  .float-bar{right:12px;bottom:14px}
  .float-link{width:48px;height:48px;font-size:12px;border-radius:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.stagger>*{opacity:1!important;transform:none!important;transition:none!important}
  .hero::after{animation:none}
}