/* roulang page: index */
:root{
  --brand:#2F5D7C;
  --brand-dark:#254B65;
  --mist:#7BA7A4;
  --sand:#C08A5A;
  --lightblue:#EAF2F7;
  --bg:#F6F9FB;
  --white:#FFFFFF;
  --ink:#1F2A33;
  --muted:#5F7180;
  --line:#DCE7EE;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(34,67,88,.06);
  --sh-h:0 16px 36px rgba(34,67,88,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:var(--brand);text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--white{background:var(--white)}
.section--blue{background:var(--lightblue)}
.section[id]{scroll-margin-top:88px}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.01em;margin-bottom:16px}
.section-head p{color:var(--muted);font-size:16px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--mist);font-weight:600;margin-bottom:16px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s,background .2s,box-shadow .2s,color .2s,border-color .2s;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--lightblue);transform:translateY(-1px)}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;
}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:var(--lightblue);color:var(--brand);font-size:13px;line-height:1.6;font-weight:500}
.textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.textlink .arrow{transition:transform .2s}
.textlink:hover .arrow{transform:translateX(4px)}

/* ---------- header ---------- */
.topbar{background:var(--brand-dark);color:#D6E4EE;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.topbar-brand{font-weight:600;letter-spacing:.04em;color:#fff}
.topbar-meta{display:flex;align-items:center;gap:18px}
.topbar-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.4)}
.navbar{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.navbar-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;letter-spacing:.02em;flex-shrink:0}
.logo-mark{width:32px;height:32px;color:var(--brand);flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand)}
.nav-cta{flex-shrink:0}
.nav-cta .btn{min-height:42px;padding:0 20px;font-size:14px}
.menu-btn{
  display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);
  border-radius:var(--r-sm);background:#fff;align-items:center;justify-content:center;flex-shrink:0;
}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(20,35,45,.45);opacity:0;visibility:hidden;transition:.28s;z-index:150}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:200;
  transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;
  padding:20px;overflow-y:auto;
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;font-size:20px;line-height:1;color:var(--muted)}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{display:flex;align-items:center;min-height:48px;font-size:16px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer nav a:hover{color:var(--brand)}
.drawer .btn{margin-top:20px}
.drawer-meta{margin-top:24px;font-size:13px;color:var(--muted);line-height:2}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px 0 120px;background:linear-gradient(180deg,#F6F9FB 0%,#EAF2F7 100%);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.35),transparent 62%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.35),transparent 62%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.hero h1{font-size:clamp(34px,4.2vw,56px);letter-spacing:-.02em;line-height:1.18;margin-bottom:20px}
.hero-sub{font-size:18px;color:var(--brand);font-weight:600;margin-bottom:16px}
.hero-lead{max-width:620px;color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-visual{position:relative;padding-bottom:34px}
.hero-fig{margin:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh)}
.hero-fig img{width:100%;aspect-ratio:16/10;object-fit:cover}
.booking-card{
  position:absolute;left:-32px;bottom:0;width:336px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-h);padding:20px;
}
.booking-card h2{font-size:16px;margin-bottom:14px}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--ink);font-size:16px;font-family:inherit;transition:border-color .2s,box-shadow .2s;
}
.field textarea{height:96px;padding:10px 12px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,93,124,.12);
}
.form-tip{display:none;margin-top:10px;font-size:13px;color:var(--mist);font-weight:500}
.form-tip.show{display:block}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.svc-card{
  grid-column:span 6;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--sh);transition:transform .22s,box-shadow .22s,border-color .22s;
  display:flex;flex-direction:column;
}
.svc-card.small{grid-column:span 4}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:var(--brand)}
.svc-card:hover .svc-icon{transform:scale(1.08)}
.svc-icon{width:44px;height:44px;color:var(--brand);transition:transform .22s;margin-bottom:18px}
.svc-card h3{font-size:20px;margin-bottom:10px}
.svc-card p{color:var(--muted);font-size:15px;margin-bottom:18px}
.svc-card .textlink{margin-top:auto}

/* ---------- stats ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{padding-right:16px}
.stat-num{display:block;font-size:clamp(36px,3.6vw,46px);font-weight:700;color:var(--brand);line-height:1.15;letter-spacing:-.02em}
.stat-num i{font-style:normal;font-size:.5em;color:var(--mist);margin-left:4px;font-weight:600}
.stat-label{display:block;font-size:14px;color:var(--muted);margin-top:8px}
.stats-note{margin-top:28px;font-size:13px;color:var(--muted)}

/* ---------- process ---------- */
.process-line{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;position:relative}
.process-line::before{
  content:"";position:absolute;left:0;right:0;top:14px;height:1px;background:var(--line);
}
.step{position:relative;padding-top:44px}
.step-dot{
  position:absolute;top:0;left:0;width:28px;height:28px;border-radius:50%;background:var(--brand);
  color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  border:3px solid #fff;box-shadow:0 0 0 1px var(--line);
}
.step:nth-child(2) .step-dot{box-shadow:0 0 0 1px var(--sand)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.case-card{
  grid-column:span 6;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh);transition:transform .22s,box-shadow .22s;
  display:flex;flex-direction:column;
}
.case-card.sm{grid-column:span 3}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.case-media{overflow:hidden;position:relative}
.case-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-media::after{content:"";position:absolute;inset:0;background:rgba(31,42,51,.06);opacity:0;transition:opacity .25s}
.case-card:hover .case-media::after{opacity:1}
.case-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.case-body h3{font-size:17px}
.case-card.sm .case-body h3{font-size:16px}
.case-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.case-body .textlink{margin-top:auto}

/* ---------- team ---------- */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.team-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);transition:transform .22s,box-shadow .22s}
.team-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.team-photo{
  aspect-ratio:4/5;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,#EAF2F7 0%,#D9E7F0 55%,#C7DCE9 100%);
  color:var(--brand);font-size:40px;font-weight:700;letter-spacing:.04em;
}
.team-body{padding:18px}
.team-body h3{font-size:18px;margin-bottom:4px}
.team-role{font-size:13px;color:var(--brand);font-weight:600;margin-bottom:8px}
.team-body p{font-size:14px;color:var(--muted)}

/* ---------- library ---------- */
.lib-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.lib-item{
  display:flex;align-items:center;gap:20px;padding:22px 16px;margin:0 -16px;
  border-bottom:1px solid var(--line);transition:background .2s;
}
.lib-item:hover{background:#F0F6FA}
.lib-num{font-size:14px;font-weight:700;color:var(--mist);letter-spacing:.08em;width:32px;flex-shrink:0}
.lib-name{font-size:17px;font-weight:600;color:var(--ink)}
.lib-count{font-size:13px;color:var(--muted);margin-left:auto}
.lib-arrow{width:18px;height:18px;color:var(--brand);flex-shrink:0;transition:transform .2s}
.lib-item:hover .lib-arrow{transform:translateX(4px)}
.lib-more{margin-top:32px}

/* ---------- capability ---------- */
.cap-wrap{display:grid;grid-template-columns:3fr 9fr;gap:32px}
.cap-tabs{display:flex;flex-direction:column;gap:10px}
.cap-tab{
  text-align:left;padding:14px 18px;border-radius:var(--r-sm);border:1px solid transparent;
  background:transparent;color:var(--muted);font-size:15px;font-weight:600;transition:.2s;min-height:48px;
}
.cap-tab:hover{background:#F0F6FA;color:var(--brand)}
.cap-tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.cap-body{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:start}
.cap-media{margin:0;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh)}
.cap-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cap-panel{display:none}
.cap-panel.active{display:block}
.cap-panel h3{font-size:20px;margin-bottom:16px}
.cap-panel li{position:relative;padding-left:20px;margin-bottom:12px;font-size:15px;color:var(--muted)}
.cap-panel li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--mist)}

/* ---------- scenarios ---------- */
.scn-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.scn-list{border-top:1px solid var(--line)}
.scn-row{
  display:flex;align-items:center;gap:20px;padding:24px 16px;margin:0 -16px;
  border-bottom:1px solid var(--line);transition:background .2s;
}
.scn-row:hover{background:#F0F6FA}
.scn-num{font-size:13px;font-weight:700;color:var(--sand);letter-spacing:.08em;width:28px;flex-shrink:0}
.scn-txt{flex:1;min-width:0}
.scn-txt strong{display:block;font-size:17px;color:var(--ink);margin-bottom:4px}
.scn-txt span{font-size:14px;color:var(--muted)}
.scn-arrow{width:18px;height:18px;color:var(--brand);flex-shrink:0;transition:transform .2s}
.scn-row:hover .scn-arrow{transform:translateX(4px)}

/* ---------- reviews ---------- */
.rev-wrap{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.rev-main,.rev-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh);padding:28px}
.rev-main{display:flex;flex-direction:column}
.rev-quote{font-size:20px;line-height:1.75;font-weight:600;color:var(--ink);margin-bottom:24px}
.rev-side-wrap{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.rev-side p{font-size:15px;color:var(--muted);margin-bottom:16px}
.rev-foot{display:flex;align-items:center;gap:12px;margin-top:auto}
.rev-avatar{width:40px;height:40px;border-radius:10px;background:linear-gradient(140deg,#D9E7F0,#B9D0E0);flex-shrink:0}
.rev-name{font-size:14px;font-weight:600;color:var(--ink)}
.rev-type{font-size:13px;color:var(--muted)}

/* ---------- news ---------- */
.news-list{border-top:1px solid var(--line)}
.news-row{
  display:flex;align-items:center;gap:24px;padding:24px 16px;margin:0 -16px;
  border-bottom:1px solid var(--line);transition:background .2s;
}
.news-row:hover{background:#F0F6FA}
.date-block{
  width:80px;flex-shrink:0;text-align:center;border-right:1px solid var(--line);
  padding-right:16px;
}
.d-y{display:block;font-size:12px;color:var(--muted);letter-spacing:.06em}
.d-m{display:block;font-size:18px;font-weight:700;color:var(--brand);line-height:1.4}
.news-txt{flex:1;min-width:0}
.news-txt h3{font-size:18px;margin-bottom:6px}
.news-txt p{font-size:14px;color:var(--muted);overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.news-tag{flex-shrink:0}
.news-arrow{width:18px;height:18px;color:var(--brand);flex-shrink:0;transition:transform .2s}
.news-row:hover .news-arrow{transform:translateX(4px)}

/* ---------- partners ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.partner-item{
  display:flex;align-items:center;justify-content:center;min-height:80px;padding:12px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
  color:var(--muted);font-size:15px;font-weight:600;letter-spacing:.02em;
  opacity:.6;transition:opacity .22s,border-color .22s,color .22s;text-align:center;
}
.partner-item:hover{opacity:1;border-color:var(--brand);color:var(--brand)}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.open{border-color:#C9DCE9;box-shadow:0 0 0 3px rgba(47,93,124,.05)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);min-height:56px;transition:background .2s;
}
.faq-item.open .faq-q{background:#F8FBFC;border-left:3px solid var(--brand);padding-left:17px}
.faq-icon{position:relative;width:14px;height:14px;flex-shrink:0;transition:transform .25s}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:1px}
.faq-icon::before{left:0;top:6px;width:14px;height:2px}
.faq-icon::after{left:6px;top:0;width:2px;height:14px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a p{overflow:hidden;padding:0 20px;font-size:15px;color:var(--muted);transition:padding .3s}
.faq-item.open .faq-a p{padding-bottom:20px}

/* ---------- assurance ---------- */
.assure{background:var(--lightblue);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.assure-item{display:flex;align-items:center;gap:14px}
.assure-item svg{width:24px;height:24px;color:var(--brand);flex-shrink:0}
.assure-item span{font-size:15px;font-weight:600;color:var(--ink)}

/* ---------- contact ---------- */
.contact-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.contact-info h2{font-size:clamp(26px,3vw,34px);margin-bottom:16px}
.contact-info p{color:var(--muted);margin-bottom:24px}
.contact-lines{display:flex;flex-direction:column;gap:16px}
.contact-line{display:flex;gap:12px;font-size:15px}
.contact-line b{color:var(--ink);font-weight:600;flex-shrink:0;width:76px}
.contact-line span{color:var(--muted)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);padding:32px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.form-grid .full{grid-column:1/-1}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);margin:8px 0 20px}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex-shrink:0}

/* ---------- footer ---------- */
.footer{background:#20313D;color:#C7D5DE;font-size:14px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer h3{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer p{color:#9FB4C1;font-size:14px;line-height:1.9}
.footer a{display:block;color:#C7D5DE;margin-bottom:10px;transition:color .2s}
.footer a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:700;margin-bottom:14px}
.footer-brand svg{width:28px;height:28px;color:var(--mist)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  font-size:13px;color:#8FA5B3;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .topbar-meta{display:none}
  .nav-links,.nav-cta{display:none}
  .menu-btn{display:flex}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .booking-card{position:static;width:100%;margin-top:24px}
  .hero-visual{padding-bottom:0}
  .svc-card{grid-column:span 6}
  .svc-card.small{grid-column:span 6}
  .case-card{grid-column:span 6}
  .case-card.sm{grid-column:span 6}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .cap-wrap{grid-template-columns:1fr;gap:28px}
  .cap-tabs{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px}
  .cap-tab{white-space:nowrap;flex-shrink:0;padding:12px 16px}
  .scn-wrap,.rev-wrap,.faq-wrap,.contact-wrap{grid-template-columns:1fr;gap:32px}
  .partner-grid{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:40px 0 56px}
  .hero h1{font-size:clamp(30px,6.4vw,40px)}
  .hero-sub{font-size:16px}
  .stats{padding:48px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 20px}
  .process-line{grid-template-columns:1fr;gap:0}
  .process-line::before{left:13px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .step{padding:0 0 28px 52px}
  .step-dot{top:2px}
  .lib-grid{grid-template-columns:1fr}
  .cap-body{grid-template-columns:1fr}
  .news-row{flex-wrap:wrap;gap:14px}
  .date-block{width:auto;border-right:0;padding-right:0;text-align:left;display:flex;align-items:baseline;gap:8px}
  .news-txt h3{font-size:17px}
  .partner-grid{grid-template-columns:repeat(2,1fr)}
  .assure-grid{grid-template-columns:1fr 1fr;gap:20px}
  .form-card{padding:24px}
  .form-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-actions .btn,.nav-cta .btn,.lib-more .btn{width:auto}
  .btn-block{width:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-actions .btn{width:100%}
  .rev-quote{font-size:17px}
  .partner-grid{grid-template-columns:1fr 1fr}
  .assure-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .btn{font-size:15px}
  .field input,.field select,.field textarea{font-size:16px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}

/* roulang page: index */
:root{
  --p:#2E6F8E; --pd:#1F526B; --ps:#E9F3F8;
  --a:#D89A4A; --as:#FBF1E4;
  --bg:#F6FAFC; --surf:#FFFFFF;
  --ink:#172B3A; --text:#2B3A47; --muted:#657789; --line:#DCE8EF;
  --r:18px; --r-lg:24px; --r-sm:12px;
  --sh:0 10px 30px rgba(23,43,58,.07);
  --sh-h:0 16px 40px rgba(23,43,58,.10);
  --sec:88px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:var(--p);text-decoration:none}
ul{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
h1{font-size:clamp(2.2rem,4vw,3.4rem);line-height:1.18;font-weight:700}
h2{font-size:clamp(1.6rem,2.4vw,2.1rem);line-height:1.3}
h3{font-size:1.18rem;font-weight:600}
:focus-visible{outline:4px solid rgba(46,111,142,.16);outline-offset:2px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.sec{padding:var(--sec) 0}
.sec-alt{background:var(--ps)}
.sec-soft{background:var(--surf)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head p{margin:14px 0 0;color:var(--muted);font-size:.97rem;max-width:68ch}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--pd);background:var(--ps);border-radius:999px;padding:5px 14px;margin-bottom:14px;letter-spacing:.4px}
.tag{display:inline-block;font-size:12.5px;padding:3px 11px;border-radius:999px;background:var(--ps);color:var(--pd);font-weight:600}
.btn-jd,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:var(--r-sm);font-size:15px;font-weight:600;transition:background .2s,transform .2s,color .2s,border-color .2s;border:1px solid var(--p);cursor:pointer}
.btn-jd{background:var(--p);color:#fff}
.btn-jd:hover{background:var(--pd);color:#fff;transform:translateY(-1px)}
.btn-jd:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--pd)}
.btn-ghost:hover{background:var(--ps);color:var(--pd)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;color:var(--p);min-height:44px}
.link-arrow svg{transition:transform .2s}
.link-arrow:hover svg{transform:translateX(2px)}

/* header */
.site-head{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 14px rgba(23,43,58,.04)}
.topbar{background:var(--ps);font-size:13px;color:var(--pd)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px}
.topbar a{color:var(--pd);font-weight:600}
.tb-r{display:flex;align-items:center;gap:20px}
.nav-in{display:flex;align-items:center;gap:28px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.brand svg{flex:0 0 auto}
.mainnav{display:flex;align-items:center;gap:6px;margin-left:8px}
.mainnav a{padding:0 12px;min-height:44px;display:inline-flex;align-items:center;font-size:15px;font-weight:600;color:var(--text);border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.mainnav a:hover{color:var(--p);border-bottom-color:var(--p)}
.mainnav a.active{color:var(--pd);border-bottom-color:var(--p)}
.nav-cta{margin-left:auto;min-height:44px;padding:0 20px;font-size:14.5px}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;align-items:center;justify-content:center}
.burger span{display:block;width:20px;height:2px;background:var(--pd);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--pd);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.offcanvas{max-width:360px;width:86vw}
.offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.oc-title{font-size:17px;font-weight:700;color:var(--ink)}
.oc-brand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--ink)}
.offcanvas-body{padding:18px 20px 28px}
.oc-list a{display:flex;align-items:center;min-height:48px;border-bottom:1px solid var(--line);font-weight:600;color:var(--text);font-size:15px}
.oc-list a:active{color:var(--p)}
.oc-meta{margin-top:22px;font-size:13.5px;color:var(--muted);line-height:1.9}

/* hero */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;background:
  radial-gradient(560px 320px at 92% -6%, rgba(46,111,142,.10), transparent 70%),var(--bg)}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--line)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero h1{margin:16px 0 18px}
.hero-lead{font-size:16.5px;color:var(--text);max-width:34em}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.hero-facts b{display:block;font-size:1.5rem;font-weight:700;color:var(--pd);line-height:1.2}
.hero-facts span{font-size:13.5px;color:var(--muted)}
.hero-media{position:relative}
.hero-media img{width:100%;height:420px;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh)}
.hero-card{position:absolute;right:16px;bottom:-26px;width:min(316px,84%);background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-h);padding:20px}
.hc-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.ring{width:96px;height:96px;flex:0 0 96px;border-radius:50%;background:conic-gradient(var(--p) calc(var(--v)*1%),#E6EEF3 0);display:grid;place-items:center}
.ring span{width:72px;height:72px;border-radius:50%;background:#fff;display:grid;place-items:center;font-weight:700;color:var(--pd);font-size:1rem}
.hc-t{font-weight:700;color:var(--ink);font-size:15px;margin:0 0 4px}
.hc-s{font-size:13px;color:var(--muted);margin:0;line-height:1.6}
.tier-list{margin:0 0 16px;border-top:1px solid var(--line)}
.tier-list li{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.tier-list b{color:var(--pd);font-weight:600;white-space:nowrap}
.tier-list span{color:var(--muted);text-align:right}

/* services */
.svc-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:start}
.svc-main{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden;transition:transform .2s,box-shadow .2s}
.svc-main:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.svc-main img{width:100%;height:250px;object-fit:cover;transition:transform .35s}
.svc-main:hover img{transform:scale(1.03)}
.svc-body{padding:24px}
.svc-body h3{margin-bottom:10px}
.svc-body p{font-size:14.5px;color:var(--muted);margin:0 0 12px}
.svc-sub{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.svc-card{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:22px;transition:transform .2s,box-shadow .2s}
.svc-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.svc-card .ico{width:38px;height:38px;border-radius:10px;background:var(--ps);display:grid;place-items:center;margin-bottom:14px}
.svc-card h3{font-size:17px;margin-bottom:8px}
.svc-card p{font-size:14px;color:var(--muted);margin:0 0 10px}

/* stats */
.stat-band{background:var(--ps);padding:56px 0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:left}
.stat-item b{display:block;font-size:clamp(2.1rem,3vw,2.7rem);font-weight:700;color:var(--pd);line-height:1.1}
.stat-item .lb{font-size:14px;color:var(--text);font-weight:600;margin-top:6px}
.stat-item .note{font-size:12.5px;color:var(--muted);margin-top:2px}

/* spec */
.spec-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.spec-photo{position:sticky;top:120px}
.spec-photo img{width:100%;height:330px;object-fit:cover;border-radius:var(--r);box-shadow:var(--sh)}
.spec-table{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh)}
.spec-table th,.spec-table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec-table th{background:var(--ps);color:var(--pd);font-weight:600;font-size:14px}
.spec-table tr:last-child td{border-bottom:0}
.spec-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.spec-table td:last-child{color:var(--muted)}

/* case wall */
.case-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.case-card{position:relative;background:var(--surf);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.case-card:hover img{transform:scale(1.03)}
.case-thumb{position:relative;overflow:hidden}
.cw-a{grid-column:span 3}.cw-b{grid-column:span 3}
.cw-c,.cw-d,.cw-e{grid-column:span 2}
.cw-f{grid-column:span 4}.cw-g{grid-column:span 2}
.case-thumb .tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--pd)}
.cw-a .case-thumb,.cw-b .case-thumb{height:260px}
.cw-c .case-thumb,.cw-d .case-thumb,.cw-e .case-thumb{height:200px}
.cw-f .case-thumb,.cw-g .case-thumb{height:190px}
.case-info{padding:16px 18px}
.case-info h3{font-size:16px;margin-bottom:5px}
.case-info p{font-size:13.5px;color:var(--muted);margin:0}
.case-hover{position:absolute;inset:0;background:rgba(31,82,107,.6);color:#fff;display:grid;place-items:center;font-weight:600;font-size:14.5px;opacity:0;transition:opacity .25s}
.case-thumb:hover .case-hover{opacity:1}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative;margin-top:8px}
.steps::before{content:"";position:absolute;left:6%;right:6%;top:22px;height:2px;background:var(--line)}
.step{position:relative;background:transparent}
.step .num{width:44px;height:44px;border-radius:50%;background:var(--as);color:var(--a);font-weight:700;display:grid;place-items:center;font-size:14px;position:relative;z-index:1;border:2px solid #fff}
.step h3{font-size:16px;margin:16px 0 8px}
.step p{font-size:13.5px;color:var(--muted);margin:0}
.steps-cta{margin-top:34px}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.team-card{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden;transition:transform .2s,box-shadow .2s}
.team-card:nth-child(even){transform:translateY(22px)}
.team-card:hover{box-shadow:var(--sh-h)}
.team-card img{width:100%;aspect-ratio:1/1;object-fit:cover}
.team-body{padding:16px 18px}
.team-body h3{font-size:16px;margin-bottom:4px}
.team-body .role{font-size:13px;color:var(--pd);font-weight:600}
.team-body p{font-size:13px;color:var(--muted);margin:6px 0 0}

/* studio mosaic */
.studio-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:158px;gap:16px}
.studio-grid figure{margin:0;overflow:hidden;border-radius:var(--r);position:relative;box-shadow:var(--sh)}
.studio-grid img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.studio-grid figure:hover img{transform:scale(1.03)}
.st-grid-main{grid-column:span 2;grid-row:span 2}
.studio-grid figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;font-size:13px;color:#fff;background:linear-gradient(transparent,rgba(23,43,58,.7))}

/* plans */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{position:relative;background:var(--surf);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:26px 24px;transition:transform .2s,box-shadow .2s}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.plan-mid{border-color:var(--p);box-shadow:0 14px 38px rgba(46,111,142,.14);transform:translateY(-8px)}
.plan-mid:hover{transform:translateY(-10px)}
.ribbon{position:absolute;top:-13px;left:24px;background:var(--a);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px}
.plan h3{font-size:19px;margin-bottom:6px}
.plan .psub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.plan .pval{font-size:1.4rem;font-weight:700;color:var(--pd);margin-bottom:18px}
.plan .pval small{font-size:13px;color:var(--muted);font-weight:500}
.plan ul{display:grid;gap:10px;margin-bottom:22px}
.plan li{display:flex;gap:9px;font-size:14px;color:var(--text);line-height:1.6}
.plan li svg{flex:0 0 18px;margin-top:4px}
.plan li.off{color:var(--muted)}
.plan li.off svg{opacity:.45}

/* reviews */
.rev-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:start}
.rev-main{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-h);padding:30px;border-left:3px solid var(--a)}
.rev-main blockquote{margin:0 0 18px;font-size:16px;color:var(--text);line-height:1.85}
.rev-side{display:grid;gap:16px}
.rev-item{background:var(--ps);border-radius:var(--r);padding:20px}
.rev-item blockquote{margin:0 0 12px;font-size:14.5px;color:var(--text)}
.rev-who{font-size:13px;color:var(--muted);font-weight:600}

/* topics */
.topic-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.topic-card{position:relative;display:block;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.topic-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s}
.topic-card:hover img{transform:scale(1.03)}
.topic-cap{position:absolute;left:0;right:0;bottom:0;padding:44px 16px 16px;background:linear-gradient(transparent,rgba(23,43,58,.82));color:#fff}
.topic-cap h3{color:#fff;font-size:15.5px;margin:0 0 4px}
.topic-cap span{font-size:12.5px;opacity:.85}

/* news */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.news-head{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s;display:block}
.news-head:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.news-head img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-head .nb{padding:22px}
.news-head .date{font-size:12.5px;color:var(--muted)}
.news-head h3{font-size:19px;margin:8px 0 10px}
.news-head p{font-size:14px;color:var(--muted);margin:0}
.news-list{display:grid;gap:16px}
.news-item{display:grid;grid-template-columns:132px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:12px;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.news-item img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:8px}
.news-item h3{font-size:15px;margin-bottom:6px;line-height:1.5}
.news-item span{font-size:12.5px;color:var(--muted)}
.news-more{margin-top:24px}

/* partners */
.logos{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.logo-cell{background:#EEF3F6;border-radius:var(--r-sm);min-height:82px;display:grid;place-items:center;font-weight:600;color:var(--muted);font-size:14.5px;transition:background .2s,color .2s;padding:10px;text-align:center}
.logo-cell:hover{background:var(--ps);color:var(--pd)}

/* safety */
.safe-band{background:var(--ps);padding:52px 0}
.safe-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.safe-item{display:flex;gap:12px;align-items:flex-start}
.safe-item svg{flex:0 0 26px;margin-top:2px}
.safe-item h3{font-size:15.5px;margin-bottom:4px}
.safe-item p{font-size:13px;color:var(--muted);margin:0}

/* faq */
.faq-wrap{max-width:860px}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.accordion-item:first-of-type{border-top:1px solid var(--line)}
.accordion-button{background:transparent;color:var(--ink);font-weight:600;font-size:16px;padding:20px 44px 20px 0;box-shadow:none;line-height:1.6}
.accordion-button:not(.collapsed){background:transparent;color:var(--pd);box-shadow:none}
.accordion-button:focus{box-shadow:none;outline:4px solid rgba(46,111,142,.16);outline-offset:-4px}
.accordion-button::after{background-image:none;content:"";position:absolute;right:4px;width:16px;height:16px;border-right:2px solid var(--p);border-bottom:2px solid var(--p);transform:rotate(45deg);transition:transform .25s;margin-top:-4px}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);margin-top:4px}
.accordion-body{padding:0 44px 22px 0;font-size:14.8px;color:var(--text);line-height:1.75}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:28px}
.info-list{display:grid;gap:16px;margin:18px 0 0}
.info-list li{display:grid;grid-template-columns:76px 1fr;gap:12px;font-size:14.5px;border-bottom:1px dashed var(--line);padding-bottom:14px}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list b{color:var(--pd);font-weight:600}
.info-list span{color:var(--muted)}
.map-ph{margin-top:20px;height:150px;border-radius:var(--r-sm);background:linear-gradient(135deg,#E9F3F8,#DCE8EF);display:grid;place-items:center;color:var(--muted);font-size:13.5px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-h);padding:28px}
.form-label{font-size:13.5px;font-weight:600;color:var(--pd);margin-bottom:6px}
.form-control,.form-select{height:46px;border-radius:var(--r-sm);border:1px solid var(--line);font-size:14.5px;color:var(--text);padding:0 14px}
textarea.form-control{height:auto;min-height:104px;padding:12px 14px;line-height:1.7}
.form-control:focus,.form-select:focus{border-color:var(--p);box-shadow:0 0 0 4px rgba(46,111,142,.12)}
.form-note{font-size:12.5px;color:var(--muted);margin:14px 0 0;line-height:1.7}

/* footer */
.site-foot{background:#172B3A;color:#C7D5DF;padding:64px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.site-foot .f-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px}
.site-foot p{color:#9FB3C1;font-size:13.5px;line-height:1.85;margin:0}
.site-foot h4{color:#fff;font-size:14.5px;margin:0 0 14px;font-weight:600}
.site-foot ul{display:grid;gap:10px}
.site-foot ul a{color:#9FB3C1;font-size:13.5px}
.site-foot ul a:hover{color:#fff}
.foot-bot{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:#7E93A3}

/* misc */
.totop{position:fixed;right:20px;bottom:88px;width:44px;height:44px;border-radius:50%;background:var(--ps);color:var(--pd);display:grid;place-items:center;box-shadow:var(--sh);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;z-index:1040}
.totop.on{opacity:1;visibility:visible}
.mobile-cta{display:none;position:fixed;left:0;right:0;bottom:0;height:56px;background:var(--p);z-index:1035}
.mobile-cta a{display:flex;align-items:center;justify-content:center;height:56px;color:#fff;font-weight:600;font-size:15.5px}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

@media (max-width:1024px){
  :root{--sec:64px}
  .mainnav,.nav-cta{display:none}
  .burger{display:inline-flex}
  .topbar{display:none}
  .hero{padding:44px 0 64px}
  .hero-in{grid-template-columns:1fr;gap:36px}
  .hero-media img{height:340px}
  .hero-card{position:static;width:auto;margin-top:20px}
  .hero-facts{grid-template-columns:repeat(3,1fr);gap:14px}
  .svc-grid{grid-template-columns:1fr}
  .spec-grid{grid-template-columns:1fr;gap:26px}
  .spec-photo{position:static}
  .spec-photo img{height:280px}
  .case-wall{grid-template-columns:repeat(2,1fr)}
  .case-wall>*{grid-column:span 1!important}
  .cw-a .case-thumb,.cw-b .case-thumb,.cw-c .case-thumb,.cw-d .case-thumb,.cw-e .case-thumb,.cw-f .case-thumb,.cw-g .case-thumb{height:200px}
  .steps{grid-template-columns:1fr 1fr}
  .steps::before{display:none}
  .team-grid{grid-template-columns:1fr 1fr;gap:18px}
  .team-card:nth-child(even){transform:none}
  .studio-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .st-grid-main{grid-column:span 2;grid-row:span 1}
  .plans{grid-template-columns:1fr;gap:18px}
  .plan-mid{transform:none}
  .plan-mid:hover{transform:translateY(-2px)}
  .rev-grid{grid-template-columns:1fr}
  .topic-row{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr}
  .logos{grid-template-columns:repeat(2,1fr)}
  .safe-row{grid-template-columns:1fr 1fr;gap:18px}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}

@media (max-width:768px){
  :root{--sec:48px}
  body{font-size:15px}
  .wrap{padding:0 18px}
  h1{font-size:clamp(1.9rem,6vw,2.4rem)}
  .hero-media img{height:250px}
  .hero-facts{grid-template-columns:1fr 1fr;gap:14px}
  .hero-btns{flex-direction:column;align-items:stretch}
  .hero-btns a{width:100%}
  .stats{grid-template-columns:1fr 1fr;gap:22px}
  .svc-sub{grid-template-columns:1fr}
  .case-wall{grid-template-columns:1fr}
  .cw-a .case-thumb,.cw-b .case-thumb,.cw-c .case-thumb,.cw-d .case-thumb,.cw-e .case-thumb,.cw-f .case-thumb,.cw-g .case-thumb{height:210px}
  .steps{grid-template-columns:1fr;gap:8px}
  .step{display:grid;grid-template-columns:44px 1fr;gap:14px;padding-bottom:18px;border-left:2px solid var(--line);margin-left:12px;padding-left:16px}
  .step .num{margin-left:-38px;width:38px;height:38px;font-size:13px}
  .step h3{margin:2px 0 4px}
  .step p{grid-column:2}
  .team-grid{grid-template-columns:1fr}
  .topic-row{display:flex;overflow-x:auto;gap:14px;scroll-snap-type:x mandatory;padding-bottom:10px;-webkit-overflow-scrolling:touch}
  .topic-card{flex:0 0 78vw;scroll-snap-align:start}
  .news-item{grid-template-columns:104px 1fr;gap:12px}
  .logo-cell{min-height:70px;font-size:13.5px}
  .accordion-button{font-size:15px;padding:16px 40px 16px 0}
  .accordion-body{padding-right:0;font-size:14px}
  .contact-card,.form-card{padding:20px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .mobile-cta{display:block}
  .site-foot{padding-bottom:72px}
  .totop{bottom:72px;right:14px}
  .news-head h3{font-size:17px}
}

@media (max-width:520px){
  .hero-facts{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .safe-row{grid-template-columns:1fr}
  .logos{grid-template-columns:1fr}
  .studio-grid{grid-template-columns:1fr;grid-auto-rows:170px}
  .st-grid-main{grid-column:span 1}
  .btn-jd,.btn-ghost{width:100%}
  .form-card .btn-jd{width:100%}
  .info-list li{grid-template-columns:1fr;gap:2px}
  .foot-bot{flex-direction:column;gap:6px}
}