/* roulang page: index */
:root{
  --ink:#1C2321;
  --paper:#F4F0E6;
  --mist:#E7EDE9;
  --teal:#1F6F64;
  --teal-deep:#164F48;
  --amber:#C45C26;
  --sand:#D9CBB2;
  --line:#C9D3CE;
  --dark:#141A19;
  --ok:#2F7D57;
  --danger:#B42318;
  --white:#FFFaf3;
  --muted:#5B6561;
  --shadow:0 8px 24px rgba(28,35,33,.08);
  --shadow-hover:0 12px 28px rgba(28,35,33,.12);
  --radius:10px;
  --radius-sm:8px;
  --radius-lg:12px;
  --radius-price:14px;
  --container:1240px;
  --nav-top:40px;
  --nav-main:68px;
  --header-h:108px;
  --space:24px;
  --ease:cubic-bezier(.22,.7,.28,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  font-family:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
a:hover{color:var(--teal-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:2px;
}
button,input,select,textarea{font-family:inherit;font-size:16px}
button{cursor:pointer;border:0;background:none}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--ink);font-weight:650;hanging-punctuation:allow-end}
h1{font-size:40px}
h2{font-size:30px}
h3{font-size:20px}
.skip{
  position:absolute;left:-999px;top:8px;background:var(--teal);color:#fff;padding:8px 14px;z-index:80;border-radius:8px
}
.skip:focus{left:8px}
.container{width:min(100% - 40px,var(--container));margin:0 auto}
.section{padding:88px 0;position:relative}
.section-mist{background:var(--mist)}
.section-paper{background:var(--paper)}
.kicker{
  display:flex;align-items:center;gap:12px;margin-bottom:14px;color:var(--teal-deep);font-size:14px;font-weight:600;letter-spacing:.04em
}
.kicker::before{content:"";width:18px;height:3px;background:var(--teal);border-radius:2px;flex:none}
.lead{color:var(--muted);max-width:46em;margin:12px 0 28px;font-size:16px}
.lead + .lead{margin-top:-12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 20px;border-radius:8px;font-size:15px;font-weight:600;
  line-height:1.2;border:1px solid transparent;transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-deep);color:#fff}
.btn-ghost{background:var(--paper);color:var(--teal-deep);border-color:var(--teal)}
.btn-ghost:hover{background:#fff;color:var(--teal-deep)}
.btn-amber{background:var(--amber);color:#fff}
.btn-amber:hover{background:#a84b1c;color:#fff}
.btn-dark{background:transparent;color:var(--paper);border-color:var(--sand)}
.btn-dark:hover{background:rgba(244,240,230,.08);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:2px 10px;
  border-radius:8px;background:rgba(31,111,100,.1);color:var(--teal-deep);font-size:13px;font-weight:600
}
.badge-amber{background:rgba(196,92,38,.12);color:var(--amber)}
.badge-sand{background:var(--sand);color:var(--ink)}
.stamp{
  display:inline-flex;align-items:center;justify-content:center;
  width:54px;height:54px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--teal-deep)
}
.stamp svg{width:28px;height:28px}
.site-top{
  background:var(--dark);color:var(--paper);font-size:13px;min-height:var(--nav-top);
  display:flex;align-items:center
}
.site-top a{color:var(--paper)}
.site-top a:hover{color:#fff}
.site-top .container{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;width:min(100% - 32px,var(--container))}
.top-left,.top-right{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.top-right{justify-content:flex-end}
.top-mid{color:var(--sand);text-align:center;white-space:nowrap}
.top-cta{background:var(--teal);color:#fff !important;padding:4px 12px;border-radius:8px;min-height:28px;display:inline-flex;align-items:center;font-weight:600}
.top-cta:hover{background:var(--teal-deep)}
.site-header{
  position:sticky;top:0;z-index:40;background:var(--paper);border-bottom:1px solid transparent;transition:min-height .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)
}
.site-header.is-compact{border-bottom-color:var(--line);box-shadow:0 4px 16px rgba(28,35,33,.05)}
.site-header.is-compact .nav-main{min-height:58px}
.nav-main{min-height:var(--nav-main);display:flex;align-items:center}
.nav-main .container{display:flex;align-items:center;gap:24px}
.logo{display:flex;flex-direction:column;line-height:1.15;color:var(--ink);flex:none}
.logo:hover{color:var(--teal-deep)}
.logo-name{font-size:18px;font-weight:730;letter-spacing:.06em}
.logo-key{font-size:12px;color:var(--teal-deep);font-weight:600}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;list-style:none;padding:0}
.nav-links a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 12px;color:var(--ink);font-size:15px;font-weight:550;border-radius:8px
}
.nav-links a:hover,.nav-links a.is-active{color:var(--teal);background:rgba(31,111,100,.08)}
.nav-actions{display:flex;align-items:center;gap:8px;flex:none}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:8px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink)
}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
  display:block;width:18px;height:2px;background:currentColor;position:relative;border-radius:1px
}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.drawer{
  position:fixed;inset:0;background:var(--paper);z-index:50;display:none;flex-direction:column;padding:24px 20px 32px
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;justify-content:flex-end}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:8px;font-size:22px}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-top:12px}
.drawer nav a{min-height:48px;display:flex;align-items:center;padding:0 12px;border-radius:10px;color:var(--ink);font-size:18px;font-weight:600}
.drawer nav a:hover,.drawer nav a.is-active{background:var(--mist);color:var(--teal-deep)}
.drawer-actions{margin-top:auto;display:flex;flex-direction:column;gap:10px}
body.nav-lock{overflow:hidden}
.hero{padding:0;background:var(--sand);position:relative}
.hero-viewport{position:relative;min-height:640px;overflow:hidden}
.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .6s var(--ease)}
.hero-slide.is-active{opacity:1;visibility:visible;position:relative}
.hero-slide img{
  width:100%;height:100%;object-fit:cover;position:absolute;inset:0;min-height:640px
}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(244,240,230,.95) 0%,rgba(244,240,230,.82) 36%,rgba(244,240,230,.18) 72%,rgba(244,240,230,.04) 100%)
}
.hero-copy{position:relative;z-index:2;padding:72px 0 132px;max-width:680px}
.hero-copy .badge{margin-bottom:14px}
.hero-copy h1,.hero-copy .slide-title{margin:0 0 16px;font-size:40px}
.hero-copy .hero-text{margin:0 0 22px;color:var(--ink);font-size:16px}
.trust-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.hero-controls{
  position:absolute;right:4%;bottom:92px;z-index:3;display:flex;gap:8px;align-items:center
}
.hero-btn{
  width:44px;height:44px;border-radius:8px;background:rgba(244,240,230,.9);border:1px solid var(--line);color:var(--ink);font-size:18px
}
.hero-btn:hover{background:#fff;border-color:var(--teal)}
.hero-dots{display:flex;gap:8px;margin-right:8px}
.hero-dots button{
  width:10px;height:10px;border-radius:50%;background:var(--sand);border:1px solid var(--line)
}
.hero-dots button.is-active{background:var(--teal);border-color:var(--teal);width:22px;border-radius:8px}
.countbar{
  position:absolute;left:0;right:0;bottom:0;z-index:4;
  background:var(--teal-deep);color:var(--paper)
}
.countbar .container{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.count-label{font-size:14px;color:var(--sand)}
.count-nums{display:flex;gap:14px;align-items:center}
.count-unit{display:flex;flex-direction:column;align-items:center;min-width:52px}
.count-unit b{font-size:24px;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums}
.count-unit span{font-size:12px;color:var(--sand)}
.matrix{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.matrix-item{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);min-height:148px;display:flex;flex-direction:column;gap:8px
}
.matrix-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--teal)}
.matrix-item:nth-child(1){grid-column:span 5}
.matrix-item:nth-child(2){grid-column:span 4}
.matrix-item:nth-child(3){grid-column:span 3}
.matrix-item:nth-child(4),.matrix-item:nth-child(5),.matrix-item:nth-child(6){grid-column:span 4}
.matrix-item:nth-child(7),.matrix-item:nth-child(8){grid-column:span 6}
.matrix-item h3{font-size:18px}
.matrix-item p{color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split-media{position:relative}
.split-media img{width:100%;border-radius:12px;box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover}
.fold-mark{position:absolute;right:0;top:0;width:0;height:0;border-left:28px solid transparent;border-top:28px solid var(--amber);border-top-right-radius:12px}
.spec{width:100%;border-collapse:collapse;margin-top:8px;font-size:14px}
.spec th,.spec td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left}
.spec th{width:28%;color:var(--teal-deep);font-weight:650}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 8px}
.feature-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-auto-rows:minmax(180px,auto);gap:18px}
.feature-card{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:24px;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--teal);box-shadow:var(--shadow-hover)}
.feature-card.feature-lead{grid-row:span 2;background:
  linear-gradient(180deg,rgba(244,240,230,.2),rgba(244,240,230,.88)),
  url("/assets/images/bd27fa510ccd0cae.webp") center/cover no-repeat;
  color:var(--ink)
}
.feature-card h3{margin:12px 0 8px;font-size:18px}
.feature-card p{color:var(--muted);font-size:14px}
.scene-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.scene-tabs button{
  min-height:44px;padding:0 16px;border-radius:8px;border:1px solid var(--line);background:var(--paper);color:var(--ink);font-size:15px;font-weight:600
}
.scene-tabs button.is-active,.scene-tabs button:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
.scene-panel{display:none;grid-template-columns:1fr 1fr;gap:36px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:28px;box-shadow:var(--shadow)}
.scene-panel.is-active{display:grid}
.scene-panel img{width:100%;border-radius:10px;aspect-ratio:16/11;object-fit:cover}
.scene-panel ul{margin:12px 0 0;padding-left:1.1em;color:var(--muted)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);display:flex;flex-direction:column
}
.product-card:hover{transform:translateY(-4px);border-color:var(--teal);box-shadow:var(--shadow-hover)}
.product-card .cover{overflow:hidden;aspect-ratio:16/10}
.product-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.product-card:hover img{transform:scale(1.03)}
.product-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.product-card .meta{font-size:13px;color:var(--muted)}
.demo-board{
  background:
    linear-gradient(180deg,rgba(231,237,233,.92),rgba(244,240,230,.96)),
    url("/assets/images/9341f31ab796358d.webp") center/cover no-repeat;
  border:1px solid var(--line);border-radius:12px;padding:28px;box-shadow:var(--shadow)
}
.demo-switch{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.demo-switch button{
  min-height:44px;padding:0 16px;border-radius:8px;border:1px solid var(--teal);color:var(--teal-deep);background:var(--paper);font-weight:600
}
.demo-switch button.is-active{background:var(--teal);color:#fff}
.demo-stage{display:none;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
.demo-stage.is-active{display:grid}
.demo-stage img{width:100%;border-radius:10px;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line)}
.steps{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:14px}
.steps li{display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:start}
.steps b{width:28px;height:28px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px}
.cases{
  background:var(--dark);color:var(--paper);padding:88px 0;
  background-image:linear-gradient(105deg,rgba(20,26,25,.94) 0%,rgba(20,26,25,.82) 48%,rgba(20,26,25,.55) 100%),url("/assets/images/e534c61498f2eb08.webp");
  background-size:cover;background-position:center
}
.cases h2,.cases .kicker,.cases .lead{color:var(--paper)}
.cases .kicker{color:var(--sand)}
.cases .kicker::before{background:var(--amber)}
.cases .lead{color:#d7ddd9}
.case-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:stretch}
.case-quote{font-size:28px;line-height:1.45;font-weight:650;margin:0 0 18px}
.case-list{display:flex;flex-direction:column;gap:14px}
.case-item{border:1px solid rgba(201,211,206,.28);border-radius:12px;padding:18px;background:rgba(244,240,230,.04)}
.case-item h3{color:#fff;font-size:18px;margin-bottom:6px}
.case-item p{color:#cfd6d2;font-size:14px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.timeline::before{
  content:"";position:absolute;left:8%;right:8%;top:27px;height:2px;background:var(--line)
}
.time-card{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:22px 18px 20px;position:relative;box-shadow:var(--shadow)
}
.time-num{
  width:32px;height:32px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:12px;position:relative;z-index:1
}
.time-card h3{font-size:18px;margin-bottom:8px}
.time-card p{color:var(--muted);font-size:14px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.price-card{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:26px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px
}
.price-card.is-hot{
  border-color:var(--teal);border-width:2px;border-radius:14px;transform:translateY(-8px);box-shadow:var(--shadow-hover);position:relative
}
.hot-flag{position:absolute;top:-12px;right:18px;background:var(--amber);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:8px}
.price{font-size:32px;font-weight:730;color:var(--teal-deep);line-height:1.2}
.price small{font-size:14px;color:var(--muted);font-weight:500}
.price-card ul{margin:8px 0 16px;padding-left:1.1em;color:var(--muted);flex:1}
.story-layout{display:grid;grid-template-columns:1.4fr .8fr;gap:20px}
.story-main,.story-side article{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)
}
.story-main{display:grid;grid-template-columns:.9fr 1.1fr}
.story-main img,.story-side img{width:100%;height:100%;object-fit:cover;min-height:220px}
.story-copy{padding:24px}
.story-side{display:flex;flex-direction:column;gap:20px}
.story-side article{display:grid;grid-template-columns:120px 1fr}
.story-side .story-copy{padding:16px}
.stats{
  background:var(--mist);padding:48px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)
}
.stat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;text-align:center}
.stat-item{padding:12px 8px}
.stat-item b{display:block;font-size:30px;color:var(--teal-deep);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-item span{font-size:13px;color:var(--muted)}
.review-wall{columns:3;column-gap:18px}
.review-card{
  break-inside:avoid;margin-bottom:18px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px 18px 16px;box-shadow:var(--shadow)
}
.review-card::before{content:"“";font-size:36px;color:var(--sand);line-height:1;display:block}
.stars{color:var(--amber);letter-spacing:2px;font-size:14px;margin:4px 0 8px}
.review-card p{font-size:14px;color:var(--ink)}
.review-card footer{margin-top:10px;font-size:13px;color:var(--muted)}
.quote-block{
  font-size:26px;line-height:1.5;font-weight:650;max-width:18em;margin:0 0 28px
}
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.trust-cell{
  min-height:86px;border:1px dashed var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;text-align:center;padding:12px;background:rgba(244,240,230,.7);font-size:14px;font-weight:650;color:var(--teal-deep)
}
.accept{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.accept li{
  display:grid;grid-template-columns:88px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px
}
.accept b{color:var(--teal-deep)}
.news-layout{display:grid;grid-template-columns:1.6fr .8fr;gap:24px}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.news-card{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);position:relative;
  transition:transform .2s var(--ease),border-color .2s var(--ease)
}
.news-card:hover{transform:translateY(-4px);border-color:var(--teal)}
.news-card img{width:100%;height:140px;object-fit:cover;transition:transform .35s var(--ease)}
.news-card:hover img{transform:scale(1.03)}
.news-card .body{padding:16px}
.news-card h3{font-size:18px;margin-bottom:8px}
.news-card p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.corner-badge{position:absolute;left:12px;top:12px;background:var(--paper);color:var(--amber);font-size:12px;font-weight:700;padding:3px 8px;border-radius:6px;border:1px solid var(--sand)}
.log-box{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:var(--shadow)}
.log-box ol{margin:0;padding-left:1.1em;color:var(--muted)}
.log-box li{margin:0 0 12px}
.faq-list{display:flex;flex-direction:column;gap:10px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--paper);overflow:hidden}
.faq-item button{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:14px 18px;font-size:16px;font-weight:650;color:var(--ink)
}
.faq-icon{width:28px;height:28px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center;position:relative;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--teal);border-radius:1px}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item .faq-panel{display:none;padding:0 18px 16px;color:var(--muted);background:rgba(244,240,230,.65)}
.faq-item.is-open .faq-panel{display:block}
.cta-band{
  padding:88px 0;
  background:
    linear-gradient(90deg,rgba(244,240,230,.94),rgba(231,237,233,.86)),
    url("/assets/images/d1d6db6c3c8ef030.webp") center/cover no-repeat
}
.cta-grid{display:grid;grid-template-columns:1fr .8fr;gap:36px;align-items:start}
.form{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:24px;box-shadow:var(--shadow)
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-item{display:flex;flex-direction:column;gap:6px}
.form-item.full{grid-column:1/-1}
.form label{font-size:14px;font-weight:650}
.form input,.form select{
  min-height:44px;border:1px solid var(--line);border-radius:8px;padding:0 12px;background:#fff;color:var(--ink)
}
.form input:focus,.form select:focus{border-color:var(--teal)}
.checks{display:flex;flex-wrap:wrap;gap:8px 16px}
.checks label{display:flex;align-items:center;gap:6px;font-weight:500;min-height:44px}
.error{color:var(--danger);font-size:13px;min-height:18px}
.form-success{display:none;padding:12px 14px;border-radius:8px;background:rgba(47,125,87,.12);color:var(--ok);margin-bottom:12px}
.form-success.is-show{display:block}
.aside-contact{background:var(--mist);border:1px solid var(--line);border-radius:12px;padding:22px}
.aside-contact p{margin:0 0 .9em;color:var(--muted)}
.site-footer{background:var(--dark);color:#cfd6d2;padding:56px 0 28px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr 1fr .9fr;gap:28px;margin-bottom:28px}
.site-footer h3{color:var(--paper);font-size:16px;margin-bottom:12px}
.site-footer a{color:#cfd6d2}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.footer-brand .logo{color:#fff;margin-bottom:12px}
.footer-brand .logo-key{color:var(--sand)}
.copyright{border-top:1px solid rgba(201,211,206,.2);padding-top:16px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#9aa6a1}
.to-top{color:var(--sand) !important}
.grid-bg{
  background-image:linear-gradient(rgba(31,111,100,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(31,111,100,.03) 1px,transparent 1px);
  background-size:28px 28px
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
}
@media (max-width:1280px){
  h1,.hero-copy h1,.hero-copy .slide-title{font-size:36px}
  .stat-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1024px){
  .section,.cases,.cta-band{padding:64px 0}
  h1,.hero-copy h1,.hero-copy .slide-title{font-size:32px}
  h2{font-size:26px}
  .nav-links{display:none}
  .menu-toggle{display:inline-flex}
  .site-top .container{grid-template-columns:1fr auto;gap:8px}
  .top-mid{display:none}
  .top-right a:not(.top-cta){display:none}
  .split,.scene-panel.is-active,.demo-stage.is-active,.case-layout,.story-layout,.story-main,.cta-grid,.news-layout{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr 1fr}
  .feature-card.feature-lead{grid-row:auto;grid-column:1/-1}
  .matrix{grid-template-columns:1fr 1fr}
  .matrix-item{grid-column:span 1 !important}
  .timeline{grid-template-columns:1fr 1fr}
  .timeline::before{display:none}
  .price-grid,.product-grid,.trust-strip{grid-template-columns:1fr 1fr}
  .price-card.is-hot{transform:none}
  .story-side article{grid-template-columns:140px 1fr}
  .review-wall{columns:2}
  .hero-viewport,.hero-slide img{min-height:560px}
}
@media (max-width:768px){
  .container{width:min(100% - 28px,var(--container))}
  .section,.cases,.cta-band{padding:56px 0}
  h1,.hero-copy h1,.hero-copy .slide-title{font-size:32px}
  h2{font-size:24px}
  h3{font-size:18px}
  .nav-actions .btn{display:none}
  .hero-copy{padding:48px 0 120px;max-width:100%}
  .hero-controls{right:16px;bottom:86px}
  .countbar .container{justify-content:center;text-align:center}
  .feature-grid,.product-grid,.price-grid,.trust-strip,.form-grid,.stat-grid,.timeline,.matrix{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .demo-stage.is-active{display:flex;flex-direction:column}
  .story-side article,.story-main{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .section{padding:40px 0}
  .feature-grid,.product-grid,.price-grid,.trust-strip,.form-grid,.timeline,.matrix,.footer-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .review-wall{columns:1}
  .hero-viewport,.hero-slide img{min-height:520px}
  .count-nums{gap:8px}
  .count-unit{min-width:44px}
  .top-left span:last-child{display:none}
}