:root{
  --y:#FFD60A;
  --y-soft:#FFF0A8;
  --y-deep:#E8B800;
  --ink:#12151C;
  --ink-2:#2B313D;
  --muted:#5D6472;
  --paper:#FFFDF6;
  --card:#FFFFFF;
  --line:#E7E2D2;
  --radius:16px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:84px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    radial-gradient(900px 520px at 88% -6%, rgba(255,214,10,.32), rgba(255,214,10,0) 62%),
    radial-gradient(760px 460px at -8% 24%, rgba(255,214,10,.18), rgba(255,214,10,0) 64%),
    linear-gradient(180deg,#FFFDF6 0%,#FFFAE6 46%,#FFFDF6 100%);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.section{padding:66px 0;}
.section--soft{background:linear-gradient(180deg,rgba(255,214,10,.16),rgba(255,214,10,.05));}
.section-head{max-width:760px;margin-bottom:32px;}
.eyebrow{
  display:inline-block;margin:0 0 12px;padding:5px 14px;border-radius:999px;
  background:var(--y);color:#12151C;font-size:13px;font-weight:700;letter-spacing:.06em;
}
h1,h2,h3{color:var(--ink);margin:0;line-height:1.25;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3.6vw,34px);font-weight:800;}
h3{font-size:17px;font-weight:700;}
.section-desc{margin:14px 0 0;color:var(--muted);font-size:15.5px;}
p{margin:0 0 12px;}
p:last-child{margin-bottom:0;}
.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,border-color .18s ease;
  font-family:inherit;
}
.btn:active{transform:translateY(1px) scale(.99);}
.btn-primary{background:var(--y);color:#12151C;border-color:var(--y-deep);box-shadow:0 8px 18px rgba(232,184,0,.32);}
.btn-primary:hover{background:#FFE14D;box-shadow:0 14px 26px rgba(232,184,0,.42);transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--ink);border-color:#D9D3C0;}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#FFFDF6;border-color:var(--ink);}
.btn-dark:hover{background:#000;transform:translateY(-2px);}

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,253,246,.94);
  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:70px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:17px;color:var(--ink);flex-shrink:0;}
.brand img{width:36px;height:auto;border-radius: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;border-radius:9px;font-size:13px;font-weight:600;
  color:var(--ink-2);text-decoration:none;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--y);color:#12151C;}
.header-cta{padding:10px 18px;font-size:14px;flex-shrink:0;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:0 10px;border:1px solid var(--line);
  border-radius:10px;background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;}

/* hero */
.hero{position:relative;overflow:hidden;padding:58px 0 54px;}
.hero::before{
  content:"";position:absolute;right:-120px;top:-90px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,214,10,.55),rgba(255,214,10,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;}
.hero h1{font-size:clamp(30px,4.6vw,50px);font-weight:900;letter-spacing:-.02em;}
.hero-sub{margin:18px 0 0;color:var(--muted);font-size:16px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:26px 0 0;padding:0;}
.hero-tags li{
  font-size:13px;font-weight:600;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;
}
.hero-visual{display:flex;justify-content:center;}
.model-panel{
  position:relative;width:100%;max-width:430px;
  background:#12151C;border-radius:22px;padding:26px 24px 28px;
  box-shadow:0 26px 60px rgba(18,21,28,.28);
  overflow:hidden;
}
.model-panel::before{
  content:"";position:absolute;width:300px;height:300px;right:-110px;top:-130px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,214,10,.55),rgba(255,214,10,0) 70%);
}
.panel-title{position:relative;margin:0 0 16px;color:var(--y);font-size:12.5px;font-weight:700;letter-spacing:.16em;}
.model-chips{position:relative;display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;}
.model-chips li{
  font-size:13px;color:#FFFDF6;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:6px 12px;
}
.model-chips li:nth-child(3n){animation:floaty 5.5s ease-in-out infinite;}
.model-chips li:nth-child(4n){animation-delay:-2s;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-4px);}}

/* metrics */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:0 8px 20px rgba(18,21,28,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(18,21,28,.1);border-color:var(--y-deep);}
.metric-num{margin:0 0 6px;font-size:clamp(22px,2.6vw,28px);font-weight:900;color:var(--ink);line-height:1.2;}
.metric-num span{background:linear-gradient(180deg,transparent 62%,var(--y-soft) 62%);}
.metric-label{margin:0;font-size:13.5px;color:var(--muted);}

/* about */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;}
.about-points{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px;}
.about-points li{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--y);
  border-radius:12px;padding:14px 16px;font-size:14.5px;color:var(--ink-2);
}
.about-points strong{color:var(--ink);}
.about-figure{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:0 14px 30px rgba(18,21,28,.08);}
.about-figure .img-box{border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:#F6F2E4;}
.about-figure img{width:100%;height:100%;object-fit:cover;}
.about-figure figcaption{margin:12px 2px 2px;font-size:13px;color:var(--muted);}

/* cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:0 8px 20px rgba(18,21,28,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(18,21,28,.11);border-color:var(--y-deep);}
.tag{
  align-self:flex-start;font-size:12px;font-weight:700;color:#12151C;
  background:var(--y-soft);border-radius:6px;padding:2px 9px;letter-spacing:.04em;
}
.card p{font-size:14px;color:var(--muted);margin:0;}

/* studio */
.studio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px;}
.studio-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;box-shadow:0 10px 24px rgba(18,21,28,.06);transition:transform .25s ease,box-shadow .25s ease;}
.studio-item:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(18,21,28,.12);}
.studio-item .img-box{aspect-ratio:4/3;border-radius:11px;overflow:hidden;background:#F6F2E4;}
.studio-item img{width:100%;height:100%;object-fit:cover;}
.studio-item p{margin:12px 4px 4px;font-size:14px;color:var(--ink-2);font-weight:600;}

/* process */
.process-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;counter-reset:step;}
.process-list li{
  display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:0 8px 20px rgba(18,21,28,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.process-list li:hover{transform:translateX(4px);box-shadow:0 14px 28px rgba(18,21,28,.1);border-color:var(--y-deep);}
.process-step{
  display:flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:14px;background:var(--y);
  font-weight:900;color:#12151C;font-size:15px;letter-spacing:.04em;
}
.process-list h3{margin-bottom:4px;}
.process-list p{margin:0;font-size:14px;color:var(--muted);}

/* solutions / network */
.tile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.tile{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:0 8px 20px rgba(18,21,28,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tile:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(18,21,28,.1);border-color:var(--y-deep);}
.tile p{font-size:13.5px;color:var(--muted);margin:8px 0 0;}

/* compare */
.compare-layout{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start;}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 24px rgba(18,21,28,.06);}
.compare-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14px;}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.compare-table thead th{background:#FFF8DD;font-weight:800;color:var(--ink);font-size:13.5px;}
.compare-table thead th.hl{background:var(--y);}
.compare-table tbody th{font-weight:700;color:var(--ink-2);white-space:nowrap;}
.compare-table tbody td{color:var(--muted);}
.compare-table tbody td.hl{color:var(--ink);font-weight:600;background:#FFFBEA;}
.compare-table tr:last-child th,.compare-table tr:last-child td{border-bottom:none;}
.score-card{
  background:#12151C;color:#FFFDF6;border-radius:18px;padding:26px 22px;
  box-shadow:0 20px 42px rgba(18,21,28,.24);text-align:center;
}
.score-card .score-num{font-size:44px;font-weight:900;color:var(--y);line-height:1.1;margin:0;}
.score-card .score-num span{font-size:16px;color:#C9C4B2;font-weight:600;}
.score-stars{margin:10px 0 6px;font-size:19px;color:var(--y);letter-spacing:.16em;}
.score-card p{font-size:13.5px;color:#D9D4C4;margin:0;}
.score-card .score-label{display:inline-block;margin-bottom:12px;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--y);}

/* token */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:0 10px 24px rgba(18,21,28,.06);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.price-card:hover{transform:translateY(-5px);box-shadow:0 20px 38px rgba(18,21,28,.12);border-color:var(--y-deep);}
.price-card h3{margin-bottom:6px;}
.price-card .price-note{font-size:13px;color:var(--y-deep);font-weight:700;margin:0 0 10px;}
.price-card p{font-size:14px;color:var(--muted);}
.price-foot{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.price-foot p{margin:0;font-size:13.5px;color:var(--muted);}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:0 8px 20px rgba(18,21,28,.05);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.review:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(18,21,28,.1);border-color:var(--y-deep);}
.review-quote{font-size:14.5px;color:var(--ink-2);margin:0;}
.review-user{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);}
.review-avatar{
  width:36px;height:36px;border-radius:10px;background:var(--y);
  display:flex;align-items:center;justify-content:center;font-weight:900;color:#12151C;font-size:14px;flex-shrink:0;
}
.review-user p{margin:0;font-size:13px;color:var(--ink);font-weight:700;line-height:1.4;}
.review-user span{display:block;font-size:12px;color:var(--muted);font-weight:500;}

/* form */
.form-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start;}
.form-side{display:grid;gap:12px;}
.form-side-item{background:#fff;border:1px solid var(--line);border-left:4px solid var(--y);border-radius:12px;padding:14px 16px;font-size:14px;color:var(--ink-2);}
.lead-form{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 14px 32px rgba(18,21,28,.08);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border:1px solid #D9D3C0;border-radius:10px;
  font-size:14.5px;color:var(--ink);background:#FFFDF6;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:112px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--y-deep);background:#fff;box-shadow:0 0 0 3px rgba(255,214,10,.28);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-tip{margin:14px 0 0;font-size:12.5px;color:var(--muted);}

/* faq */
.faq-list{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:var(--y-deep);box-shadow:0 12px 26px rgba(18,21,28,.09);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:17px 20px;background:transparent;border:none;cursor:pointer;
  font-size:15px;font-weight:700;color:var(--ink);text-align:left;font-family:inherit;line-height:1.5;
}
.faq-icon{position:relative;width:16px;height:16px;flex-shrink:0;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:0;top:50%;width:16px;height:2px;background:var(--y-deep);border-radius:2px;
  transform:translateY(-50%);transition:transform .25s ease;
}
.faq-icon::after{transform:translateY(-50%) rotate(90deg);}
.faq-item.open .faq-icon::after{transform:translateY(-50%) rotate(0deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-item.open .faq-a{max-height:360px;}
.faq-a p{padding:0 20px 18px;margin:0;font-size:14.5px;color:var(--muted);}

/* articles */
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 10px 24px rgba(18,21,28,.06);}
.panel h3{margin-bottom:14px;}
.wiki-list{display:grid;gap:14px;}
.wiki-item{padding-bottom:14px;border-bottom:1px dashed var(--line);}
.wiki-item:last-child{border-bottom:none;padding-bottom:0;}
.wiki-item h3{font-size:15px;margin-bottom:4px;}
.wiki-item p{font-size:13.5px;color:var(--muted);margin:0;}
.article-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.article-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border:1px solid var(--line);border-radius:11px;
  text-decoration:none;font-size:14px;color:var(--ink-2);font-weight:600;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.article-list a:hover{background:#FFFBE8;border-color:var(--y-deep);transform:translateX(3px);}
.article-list a span{color:var(--y-deep);font-weight:900;font-size:15px;flex-shrink:0;}

/* partner */
.partner-band{
  background:linear-gradient(120deg,#FFD60A,#FFE873 62%,#FFD60A);
  border:1px solid var(--y-deep);border-radius:22px;padding:34px 30px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(232,184,0,.28);
}
.partner-band h2{color:#12151C;}
.partner-band p{color:#3A3411;max-width:640px;margin-top:10px;font-size:14.5px;}
.band-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.contact-list li{
  display:flex;align-items:flex-start;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:14px;color:var(--ink-2);
}
.contact-list strong{display:block;font-size:12.5px;color:var(--muted);font-weight:700;letter-spacing:.04em;margin-bottom:2px;}
.contact-list a{color:var(--ink);text-decoration:none;font-weight:700;word-break:break-all;}
.contact-list a:hover{color:var(--y-deep);}
.qr-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;text-align:center;box-shadow:0 10px 24px rgba(18,21,28,.06);}
.qr-box{width:170px;margin:0 auto 12px;padding:8px;background:#FFFDF6;border:1px solid var(--line);border-radius:12px;}
.qr-box img{width:100%;height:auto;border-radius:8px;}
.qr-card p{font-size:13.5px;color:var(--muted);margin:0;}

/* footer */
.site-footer{background:#12151C;color:#F0EDE0;padding:46px 0 22px;margin-top:8px;}
.footer-top{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start;}
.footer-name{margin:0 0 10px;font-size:20px;font-weight:900;color:#FFD60A;letter-spacing:.02em;}
.footer-desc{font-size:14px;color:#C9C4B2;max-width:520px;}
.footer-contact{margin-top:12px;font-size:14px;color:#C9C4B2;}
.footer-contact a{color:#FFD60A;text-decoration:none;font-weight:700;}
.footer-contact a:hover{text-decoration:underline;}
.footer-title{margin:0 0 12px;font-size:13px;font-weight:800;letter-spacing:.12em;color:#FFD60A;}
.link-chips{display:flex;flex-wrap:wrap;gap:8px;}
.link-chips a{
  font-size:13px;color:#EDEADA;text-decoration:none;
  border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:5px 12px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.link-chips a:hover{background:#FFD60A;color:#12151C;border-color:#FFD60A;}
.footer-bottom{
  margin-top:28px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#B9B4A2;
}
.footer-bottom a{color:#FFD60A;text-decoration:none;}
.footer-bottom a:hover{text-decoration:underline;}

/* floating */
.float-service{position:fixed;right:18px;bottom:88px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.service-panel{
  width:240px;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px;box-shadow:0 18px 40px rgba(18,21,28,.18);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.service-panel.open{opacity:1;visibility:visible;transform:none;}
.service-panel .panel-h{margin:0 0 10px;font-size:13px;font-weight:800;color:var(--ink);letter-spacing:.06em;}
.service-panel .qr-box{width:100%;margin-bottom:10px;}
.service-line{font-size:12.5px;color:var(--muted);margin:0 0 4px;word-break:break-all;}
.service-btn{
  padding:12px 18px;border-radius:999px;border:1px solid var(--y-deep);
  background:var(--y);color:#12151C;font-weight:800;font-size:14px;cursor:pointer;
  box-shadow:0 10px 24px rgba(232,184,0,.36);font-family:inherit;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.service-btn:hover{background:#FFE14D;transform:translateY(-2px);box-shadow:0 14px 28px rgba(232,184,0,.46);}
.to-top{
  position:fixed;right:18px;bottom:24px;z-index:90;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:17px;font-weight:800;cursor:pointer;
  box-shadow:0 10px 22px rgba(18,21,28,.14);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  font-family:inherit;
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--y);border-color:var(--y-deep);}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .model-chips li{animation:none;}
}

@media (max-width:1080px){
  .nav-toggle{display:flex;}
  .site-nav{
    position:absolute;left:0;right:0;top:100%;
    background:#FFFDF6;border-bottom:1px solid var(--line);
    box-shadow:0 22px 34px rgba(18,21,28,.12);
    display:none;padding:10px 20px 18px;
  }
  .site-nav.open{display:block;}
  .nav-links{flex-direction:column;align-items:stretch;}
  .nav-links a{padding:12px 8px;font-size:15px;border-bottom:1px solid var(--line);border-radius:0;}
  .header-inner{gap:10px;}
}
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{justify-content:flex-start;}
  .model-panel{max-width:none;}
  .about-grid{grid-template-columns:1fr;}
  .card-grid,.tile-grid,.price-grid,.review-grid,.studio-grid{grid-template-columns:repeat(2,1fr);}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .compare-layout{grid-template-columns:1fr;}
  .form-layout{grid-template-columns:1fr;gap:22px;}
  .contact-grid{grid-template-columns:1fr;}
  .info-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:24px;}
}
@media (max-width:640px){
  .section{padding:46px 0;}
  .hero{padding:38px 0 40px;}
  .card-grid,.tile-grid,.price-grid,.review-grid,.studio-grid,.metric-grid{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .lead-form{padding:20px;}
  .partner-band{padding:24px 20px;}
  .header-cta{padding:9px 13px;font-size:13px;}
  .brand{font-size:15px;}
  .brand img{width:30px;}
  .float-service{right:12px;bottom:80px;}
  .to-top{right:12px;bottom:20px;}
  .footer-bottom{font-size:12px;}
}