/* roulang page: index */
:root{
  --ink:#16181C;
  --jade:#2A9A8A;
  --jade-deep:#1F7A6D;
  --paper:#F4F1EA;
  --mist:#ECEAE4;
  --card:#FBFBFA;
  --titanium:#C4BEB4;
  --dark:#0E1012;
  --text:#2C2E32;
  --muted:#6B6E74;
  --faint:#8A8D93;
  --line:rgba(196,190,180,.7);
  --danger:#B42318;
  --ok:#2A9A8A;
  --radius:10px;
  --radius-sm:8px;
  --shadow:0 12px 28px rgba(22,24,28,.055);
  --shadow-hover:0 14px 32px rgba(22,24,28,.07);
  --header-top:44px;
  --header-sub:56px;
  --header-h:100px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --max:1220px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  color:var(--text);
  background:var(--paper);
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--jade-deep);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--jade);
  outline-offset:3px;
}
button,input,textarea,select{font-family:inherit}
button{cursor:pointer}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);line-height:1.28;margin:0;font-weight:700;letter-spacing:.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
.skip{
  position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:200;border-radius:6px;
}
.skip:focus{left:8px}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.container-wide{width:min(1280px,calc(100% - 32px));margin:0 auto}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;text-transform:none;color:var(--jade-deep);
  font-weight:600;font-family:var(--sans);
}
.kicker::before{content:"";width:18px;height:1px;background:var(--jade)}
.section{padding:112px 0;position:relative}
.section-mist{background:var(--mist)}
.section-paper{background:var(--paper)}
.section-card{background:var(--card)}
.head-split{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:end;margin-bottom:48px}
.head-split h2{font-size:clamp(28px,3.2vw,44px);max-width:16ch}
.head-split .lead{color:var(--muted);font-size:16px;line-height:1.8;margin:0;padding-bottom:6px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:8px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;transition:all .2s var(--ease);
  text-decoration:none;line-height:1;
}
.btn-primary{background:var(--ink);color:#F7F5F0}
.btn-primary:hover{background:var(--jade);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--titanium)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.btn-light{background:#F7F5F0;color:var(--ink)}
.btn-light:hover{background:var(--jade);color:#fff}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 10px;
  border:1px solid var(--titanium);border-radius:999px;font-size:12px;color:var(--ink);background:rgba(251,251,250,.8);
}
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(244,241,234,.92);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid transparent;transition:box-shadow .25s,background .25s;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(22,24,28,.05);border-bottom-color:var(--line);background:rgba(247,245,240,.96)}
.header-top{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:var(--header-top);width:min(var(--max),calc(100% - 40px));margin:0 auto;
  font-size:13px;color:var(--muted);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;min-height:44px}
.brand-mark{
  width:22px;height:22px;border-radius:6px;background:var(--ink);color:#F4F1EA;
  display:grid;place-items:center;font-family:var(--serif);font-size:12px;font-weight:700;
}
.brand-name{font-family:var(--serif);font-weight:700;font-size:16px;letter-spacing:.04em}
.brand-sub{font-size:11px;color:var(--faint);margin-left:2px;font-weight:500}
.header-tools{display:flex;align-items:center;gap:22px}
.header-tools a{color:var(--muted);display:inline-flex;align-items:center;gap:6px;min-height:32px}
.header-tools a:hover{color:var(--ink)}
.header-tools .tool-cta{min-height:32px;padding:0 14px;font-size:13px;background:var(--ink);color:#F7F5F0;border-radius:6px}
.header-tools .tool-cta:hover{background:var(--jade);color:#fff}
.header-sub{
  height:var(--header-sub);display:flex;align-items:center;
  border-top:1px solid rgba(196,190,180,.45);
}
.site-header.is-stuck .header-sub{height:44px}
.site-header.is-stuck .nav-links a{font-size:13px}
.nav-wrap{width:min(var(--max),calc(100% - 40px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex-wrap:nowrap}
.nav-links a{
  position:relative;display:flex;align-items:center;min-height:44px;padding:0 12px;
  color:var(--text);font-size:14px;font-weight:500;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.is-active{color:var(--ink)}
.nav-links a.is-active::after,
.nav-links a:hover::after{
  content:"";position:absolute;left:12px;right:12px;bottom:8px;height:2px;background:var(--jade);
}
.nav-toggle,.nav-cta-m,.drawer{display:none}
.hero{
  position:relative;overflow:hidden;background:var(--dark);color:#F4F1EA;min-height:auto;
  padding:0 0 72px;
}
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{
  position:absolute;inset:0;opacity:0;transition:opacity .45s var(--ease);
  background-size:cover;background-position:center;
}
.hero-slide.is-on{opacity:1}
.hero-slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,16,18,.72) 0%,rgba(14,16,18,.88) 55%,rgba(14,16,18,.94) 100%);
}
.hero .container{position:relative;z-index:1}
.status-bar{
  display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;
  padding:14px 0 8px;font-size:12px;color:#C9D9D4;letter-spacing:.04em;
}
.status-dot{width:7px;height:7px;border-radius:50%;background:#3DCFB6;box-shadow:0 0 0 3px rgba(42,154,138,.25)}
.status-item{display:inline-flex;align-items:center;gap:8px}
.status-item + .status-item::before{content:"";width:1px;height:10px;background:rgba(196,190,180,.35);margin-right:18px}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:36px 0 8px;
}
.hero h1{font-size:clamp(32px,4.6vw,56px);color:#F4F1EA;max-width:12em;margin:10px 0 18px}
.hero-copy{font-size:16px;line-height:1.85;color:#D5D2CA;max-width:46em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.icon-matrix{
  display:grid;grid-template-columns:repeat(4,1fr);gap:10px;
}
.icon-cell{
  border:1px solid rgba(196,190,180,.28);background:rgba(251,251,250,.04);
  border-radius:10px;padding:14px 12px;min-height:92px;display:flex;flex-direction:column;gap:8px;
  transition:border-color .25s,transform .25s;
}
.icon-cell:hover{border-color:rgba(42,154,138,.7);transform:translateY(-2px)}
.icon-cell svg{width:24px;height:24px;stroke:#2A9A8A;fill:none;stroke-width:1.6}
.icon-cell span{font-size:13px;color:#E7E4DC;font-weight:500}
.kpi-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
  padding:18px;border:1px solid rgba(42,154,138,.22);border-radius:12px;
  background:rgba(14,16,18,.35);
}
.kpi-item{padding:10px 8px}
.kpi-item b{display:block;font-family:var(--sans);font-variant-numeric:tabular-nums;font-size:28px;color:#F4F1EA;letter-spacing:.02em}
.kpi-item span{font-size:12px;color:#A8B3AE}
.hero-indicators{display:flex;gap:8px;margin-top:22px}
.hero-indicators button{
  width:28px;height:3px;padding:0;border:0;background:rgba(244,241,234,.28);border-radius:0;min-height:3px;
}
.hero-indicators button.is-on{background:var(--jade);width:42px}
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.intro-visual{position:relative}
.intro-visual img{width:100%;height:520px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.intro-note{
  position:absolute;left:18px;bottom:18px;right:18px;background:rgba(251,251,250,.94);
  border:1px solid var(--titanium);border-radius:10px;padding:14px 16px;font-size:13px;color:var(--text);
}
.intro-copy h2{font-size:clamp(28px,3vw,42px);margin:10px 0 18px;max-width:12em}
.intro-copy p{color:var(--text);font-size:17px;margin-bottom:16px}
.spec-list{list-style:none;display:grid;gap:10px;margin:18px 0 22px}
.spec-list li{
  display:grid;grid-template-columns:16px 1fr;gap:10px;align-items:start;font-size:15px;color:var(--text);
}
.spec-list i{width:6px;height:6px;border-radius:50%;background:var(--jade);margin-top:10px;display:block}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.matrix-bento{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.mx{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px 22px;
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s;
}
.mx:hover{transform:translateY(-2px);border-color:var(--jade);box-shadow:var(--shadow)}
.mx.lg{grid-column:span 6;min-height:210px}
.mx.sm{grid-column:span 3;min-height:170px}
.mx svg{width:24px;height:24px;stroke:var(--jade);fill:none;stroke-width:1.6;margin-bottom:14px}
.mx h3{font-size:20px;margin-bottom:8px}
.mx p{font-size:14px;color:var(--muted);line-height:1.7}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.adv-card{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px 22px 22px;
  min-height:220px;display:flex;flex-direction:column;gap:10px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.adv-card:hover{transform:translateY(-2px);border-color:rgba(42,154,138,.55);box-shadow:var(--shadow)}
.adv-card .idx{font-family:var(--serif);color:var(--jade);font-size:13px;letter-spacing:.12em}
.adv-card h3{font-size:22px}
.adv-card p{font-size:14px;color:var(--muted);flex:1}
.adv-metric{
  margin-top:8px;padding-top:12px;border-top:1px solid var(--line);
  font-variant-numeric:tabular-nums;font-size:13px;color:var(--ink);font-weight:600;
}
.sol-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:16px}
.sol-card{
  background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s,border-color .25s;
}
.sol-card:hover{transform:translateY(-2px);border-color:var(--jade)}
.sol-card img{width:100%;height:210px;object-fit:cover;transition:transform .4s var(--ease)}
.sol-card:hover img{transform:scale(1.03)}
.sol-card.featured img{height:250px}
.sol-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.sol-body h3{font-size:24px}
.sol-card.featured h3{font-size:28px}
.sol-body p{font-size:14px;color:var(--muted)}
.sol-body ul{list-style:none;display:grid;gap:6px;margin:6px 0 12px}
.sol-body li{font-size:14px;color:var(--text);padding-left:14px;position:relative}
.sol-body li::before{content:"";width:6px;height:1px;background:var(--jade);position:absolute;left:0;top:11px}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.flow-step{padding:8px 18px 8px 0;position:relative}
.flow-step .num{
  font-family:var(--serif);font-size:40px;color:var(--ink);line-height:1;margin-bottom:12px;
}
.flow-step h3{font-size:18px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--muted)}
.flow-step:not(:last-child)::after{
  content:"";position:absolute;right:12px;top:28px;width:28px;height:1px;background:var(--titanium);
}
.dark-band{
  background:var(--dark);color:#E8E4DC;padding:120px 0;position:relative;overflow:hidden;
}
.dark-band .bg{
  position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28;
}
.dark-band .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0E1012 8%,rgba(14,16,18,.72) 52%,rgba(14,16,18,.88) 100%)}
.dark-inner{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.dark-inner blockquote{
  margin:0;font-family:var(--serif);font-size:clamp(26px,3.4vw,42px);line-height:1.35;color:#F4F1EA;font-weight:600;
}
.dark-inner .scene{
  border:1px solid rgba(42,154,138,.28);border-radius:12px;padding:28px 26px;background:rgba(14,16,18,.35);
}
.dark-inner .scene h3{color:#F4F1EA;font-size:22px;margin-bottom:10px}
.dark-inner .scene p{color:#C9C4B8;font-size:15px}
.wall{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:minmax(140px,auto);gap:12px}
.tile{
  position:relative;overflow:hidden;border-radius:12px;border:1px solid var(--line);background:var(--card);
  min-height:160px;
}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.tile:hover img{transform:scale(1.03)}
.tile .cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 16px 14px;
  background:linear-gradient(180deg,transparent,rgba(14,16,18,.78));
  color:#F4F1EA;font-size:14px;font-weight:600;
}
.tile.t-lg{grid-column:span 6;grid-row:span 2;min-height:360px}
.tile.t-md{grid-column:span 3;min-height:180px}
.tile.t-txt{grid-column:span 3;padding:22px;display:flex;flex-direction:column;justify-content:flex-end}
.tile.t-txt h3{font-size:18px;margin-bottom:8px}
.tile.t-txt p{font-size:13px;color:var(--muted)}
.story{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;margin-bottom:56px}
.story.reverse{grid-template-columns:1.1fr .9fr}
.story.reverse .story-media{order:2}
.story img{width:100%;height:340px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.story h3{font-size:26px;margin:8px 0 12px}
.story p{font-size:16px;color:var(--text);margin-bottom:12px}
.story .meta{font-size:13px;color:var(--jade-deep);font-weight:600;letter-spacing:.06em}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{
  padding:48px 28px;text-align:left;
}
.stat:nth-child(odd){background:var(--ink);color:#F4F1EA}
.stat:nth-child(even){background:var(--mist);color:var(--ink)}
.stat b{display:block;font-size:clamp(32px,4vw,48px);font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:8px}
.stat:nth-child(odd) b{color:var(--jade)}
.stat span{font-size:14px;opacity:.86}
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.quote{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:28px 26px;
  min-height:200px;display:flex;flex-direction:column;justify-content:space-between;
}
.quote q{font-family:var(--serif);font-size:18px;line-height:1.7;color:var(--ink);quotes:"“" "”"}
.quote footer{margin-top:18px;font-size:13px;color:var(--muted)}
.quote footer strong{color:var(--ink);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{
  min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--titanium);
  background:transparent;color:var(--ink);font-size:14px;font-weight:500;
}
.chip.is-on,.chip:hover{background:var(--ink);color:#F4F1EA;border-color:var(--ink)}
.scene-panel{
  display:none;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:28px;
}
.scene-panel.is-on{display:grid}
.scene-panel h3{font-size:26px;margin-bottom:10px}
.scene-panel p{font-size:15px;color:var(--muted)}
.scene-dl{display:grid;gap:10px;margin-top:16px}
.scene-dl div{display:grid;grid-template-columns:88px 1fr;gap:10px;font-size:14px}
.scene-dl dt{color:var(--faint)}
.news-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:16px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s,border-color .25s;
}
.news-card:hover{transform:translateY(-2px);border-color:var(--jade)}
.news-card img{width:100%;height:200px;object-fit:cover}
.news-card .body{padding:20px 20px 22px}
.news-card .date{font-size:12px;color:var(--jade-deep);letter-spacing:.06em;margin-bottom:8px}
.news-card h3{font-size:18px;margin-bottom:8px}
.news-card p{font-size:14px;color:var(--muted)}
.more-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--jade);padding-bottom:2px}
.partners{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.partner{
  height:84px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;
  color:#9A958C;font-family:var(--serif);font-size:18px;font-weight:700;background:var(--card);
  filter:grayscale(1);transition:filter .25s,color .25s,border-color .25s;
}
.partner:hover{filter:none;color:var(--ink);border-color:var(--jade)}
.faq-list{display:grid;gap:10px}
.faq-item{border:1px solid var(--line);border-radius:10px;background:var(--card);overflow:hidden}
.faq-item button{
  width:100%;text-align:left;background:transparent;border:0;min-height:56px;padding:16px 52px 16px 20px;
  font-size:16px;font-weight:600;color:var(--ink);position:relative;
}
.faq-item button::after{
  content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;
  border-right:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s;
}
.faq-item.is-open button::after{transform:translateY(-20%) rotate(225deg)}
.faq-item .ans{display:none;padding:0 20px 18px;color:var(--muted);font-size:15px;line-height:1.8}
.faq-item.is-open .ans{display:block}
.trust{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
}
.trust-item{
  display:flex;gap:12px;align-items:flex-start;padding:18px 16px;
  border:1px solid var(--line);border-radius:10px;background:var(--card);
}
.trust-item svg{width:24px;height:24px;stroke:var(--jade);fill:none;stroke-width:1.6;flex:0 0 24px;margin-top:2px}
.trust-item h3{font-size:16px;margin-bottom:4px}
.trust-item p{font-size:13px;color:var(--muted)}
.cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.cta-points{list-style:none;display:grid;gap:12px;margin-top:22px}
.cta-points li{padding-left:18px;position:relative;font-size:15px}
.cta-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--jade);position:absolute;left:0;top:10px}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:28px 26px;box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.field label{font-size:13px;font-weight:600;color:var(--ink)}
.field input,.field textarea{
  width:100%;border:1px solid var(--titanium);border-radius:8px;background:#fff;color:var(--ink);
  min-height:46px;padding:10px 12px;font-size:15px;
}
.field textarea{min-height:110px;resize:vertical}
.field input:hover,.field textarea:hover{border-color:var(--ink)}
.form-note{font-size:12px;color:var(--muted);margin:8px 0 14px}
.form-msg{display:none;padding:10px 12px;border-radius:8px;font-size:14px;margin-bottom:12px}
.form-msg.ok{display:block;background:rgba(42,154,138,.12);color:var(--jade-deep)}
.form-msg.err{display:block;background:rgba(180,35,24,.08);color:var(--danger)}
.aside-contact{margin-top:16px;font-size:14px;color:var(--muted)}
.aside-contact a{color:var(--ink);font-weight:600}
.site-footer{background:var(--ink);color:#C9C4B8;padding:72px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.3fr .9fr .9fr 1fr;gap:32px;margin-bottom:48px}
.site-footer .brand-name{color:#F4F1EA}
.site-footer p{font-size:14px;line-height:1.8}
.site-footer h4{color:#F4F1EA;font-size:15px;font-family:var(--sans);letter-spacing:.08em;margin-bottom:14px;font-weight:600}
.site-footer ul{list-style:none;display:grid;gap:8px}
.site-footer a{color:#C9C4B8}
.site-footer a:hover{color:#F4F1EA}
.foot-bottom{
  border-top:1px solid rgba(196,190,180,.2);padding-top:18px;display:flex;flex-wrap:wrap;gap:8px 18px;
  justify-content:space-between;font-size:12px;color:#8E8A82;
}
.reveal{opacity:0;transform:translateY(16px);animation:none}
.reveal.in{opacity:1;transform:none;transition:opacity .4s var(--ease),transform .4s var(--ease)}
@media (max-width:1200px){
  .hero-grid,.intro-grid,.dark-inner,.cta-grid{gap:28px}
  .sol-grid{grid-template-columns:1fr 1fr}
  .sol-card.featured{grid-column:span 2}
  .news-grid{grid-template-columns:1fr 1fr}
  .mx.lg{grid-column:span 6}
  .mx.sm{grid-column:span 6}
}
@media (max-width:992px){
  .section{padding:80px 0}
  .head-split,.hero-grid,.intro-grid,.dark-inner,.cta-grid,.story,.story.reverse{grid-template-columns:1fr}
  .story.reverse .story-media{order:0}
  .header-tools .hide-m{display:none}
  .nav-links a{padding:0 8px;font-size:13px}
  .flow{grid-template-columns:1fr;gap:18px}
  .flow-step:not(:last-child)::after{display:none}
  .flow-step{padding-left:18px;border-left:1px solid var(--titanium)}
  .stats{grid-template-columns:1fr 1fr}
  .trust,.partners{grid-template-columns:1fr 1fr}
  .quotes{grid-template-columns:1fr}
  .sol-grid{grid-template-columns:1fr 1fr}
  .sol-card.featured{grid-column:auto}
  .tile.t-lg{grid-column:span 12;min-height:280px}
  .tile.t-md,.tile.t-txt{grid-column:span 6}
  .icon-matrix{grid-template-columns:repeat(4,1fr)}
  .scene-panel,.scene-panel.is-on{grid-template-columns:1fr}
  .intro-visual img,.story img{height:320px}
}
@media (max-width:768px){
  :root{--header-h:64px}
  .container,.header-top,.nav-wrap{width:min(var(--max),calc(100% - 28px)}
  .header-top{height:64px}
  .header-sub,.header-tools{display:none}
  .nav-toggle,.nav-cta-m{display:inline-flex;align-items:center;justify-content:center}
  .nav-toggle{
    width:44px;height:44px;border:1px solid var(--titanium);border-radius:8px;background:transparent;flex-direction:column;gap:5px;
  }
  .nav-toggle span{display:block;width:16px;height:1.5px;background:var(--ink)}
  .nav-cta-m{min-height:44px;padding:0 12px;font-size:13px;margin-left:auto;margin-right:8px}
  .drawer{
    display:block;position:fixed;inset:64px 0 0 0;background:rgba(14,16,18,.42);z-index:70;opacity:0;pointer-events:none;transition:opacity .25s;
  }
  .drawer.is-open{opacity:1;pointer-events:auto}
  .drawer-panel{
    background:var(--paper);height:100%;width:min(86vw,360px);margin-left:auto;padding:18px 18px 32px;
    transform:translateX(24px);transition:transform .25s;overflow:auto;
  }
  .drawer.is-open .drawer-panel{transform:none}
  .drawer a,.drawer button.linky{
    display:flex;align-items:center;min-height:48px;padding:0 8px;color:var(--ink);font-size:16px;font-weight:600;width:100%;background:none;border:0;text-align:left;
  }
  .drawer .tel{margin-top:12px;font-size:14px;color:var(--muted)}
  body.nav-lock{overflow:hidden}
  .hero{padding-bottom:48px}
  .hero h1{font-size:32px}
  .icon-matrix{grid-template-columns:repeat(2,1fr)}
  .kpi-panel{grid-template-columns:1fr 1fr}
  .adv-grid,.sol-grid,.news-grid,.trust,.partners,.stats,.form-row{grid-template-columns:1fr}
  .mx.lg,.mx.sm{grid-column:span 12}
  .tile.t-lg,.tile.t-md,.tile.t-txt{grid-column:span 12}
  .foot-grid{grid-template-columns:1fr 1fr}
  .btn{min-height:48px}
  .cta-grid .btn-primary{width:100%}
  .section{padding:64px 0}
  .head-split{gap:12px;margin-bottom:28px}
}
@media (max-width:520px){
  .hero-copy{font-size:15px}
  .status-item + .status-item::before{display:none}
  .foot-grid{grid-template-columns:1fr}
  .stat{padding:28px 20px}
  .intro-visual img{height:240px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}