/* roulang page: index */
:root{
  --ky-primary:#0F7B6C;
  --ky-primary-d:#0A5F53;
  --ky-primary-l:#E4F3EF;
  --ky-accent:#FF7A45;
  --ky-accent-l:#FFE9DF;
  --ky-grad:linear-gradient(118deg,#0F7B6C 0%,#2FB6A0 58%,#7FD8C4 100%);
  --ky-grad-cta:linear-gradient(118deg,#FF7A45 0%,#FFA53D 100%);
  --ky-bg:#F6F9F8;
  --ky-surface:#FFFFFF;
  --ky-bg-2:#EFF5F3;
  --ky-ink:#16221F;
  --ky-ink-2:#4C5B57;
  --ky-ink-3:#7C8B87;
  --ky-line:#E3EAE7;
  --ky-ring:rgba(15,123,108,.35);
  --ky-r-sm:12px;
  --ky-r-md:20px;
  --ky-r-lg:28px;
  --ky-sh-1:0 1px 2px rgba(16,34,30,.05),0 10px 24px -14px rgba(16,34,30,.18);
  --ky-sh-2:0 2px 4px rgba(16,34,30,.06),0 20px 40px -18px rgba(16,34,30,.24);
  --ky-ease:cubic-bezier(.2,.7,.3,1);

  --bs-primary:#0F7B6C;
  --bs-body-bg:#F6F9F8;
  --bs-body-color:#16221F;
  --bs-link-color:#0F7B6C;
  --bs-link-hover-color:#0A5F53;
  --bs-border-radius:12px;
  --bs-border-color:#E3EAE7;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  background:var(--ky-bg);
  color:var(--ky-ink);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ky-primary);text-decoration:none;transition:color .18s var(--ky-ease)}
a:hover{color:var(--ky-primary-d)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px}
.ky-num{font-variant-numeric:tabular-nums}

.ky-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.ky-container{max-width:1320px}}

/* ---------- header ---------- */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,249,248,.98);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ky-ease),box-shadow .22s var(--ky-ease),border-color .22s var(--ky-ease);
}
.ky-header.is-scrolled{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:var(--ky-line);
  box-shadow:var(--ky-sh-1);
}
.ky-nav-wrap{display:flex;align-items:center;gap:20px;height:72px}
.ky-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.ky-logo-mark{position:relative;width:32px;height:32px;flex:0 0 32px}
.ky-logo-mark i{position:absolute;width:20px;height:20px;border-radius:7px;display:block}
.ky-logo-mark i:first-child{left:0;top:0;background:var(--ky-grad)}
.ky-logo-mark i:last-child{right:0;bottom:0;background:var(--ky-accent);opacity:.92}
.ky-logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ky-ink)}
.ky-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.ky-nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;font-weight:600;color:var(--ky-ink);
  border-radius:10px;white-space:nowrap;
}
.ky-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--ky-grad);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ky-ease);
}
.ky-nav-link:hover{color:var(--ky-primary)}
.ky-nav-link:hover::after{transform:scaleX(1)}
.ky-nav-link.active{color:var(--ky-primary)}
.ky-nav-link.active::after{transform:scaleX(1)}
.ky-nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.ky-search{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 12px;min-width:230px;
  background:#F2F7F5;border:1px solid transparent;border-radius:var(--ky-r-sm);
  transition:border-color .18s var(--ky-ease),background .18s var(--ky-ease);
}
.ky-search:focus-within{background:#fff;border-color:var(--ky-primary)}
.ky-search svg{width:16px;height:16px;color:var(--ky-ink-3);flex:0 0 16px}
.ky-search input{
  border:0;background:transparent;outline:none;flex:1 1 auto;min-width:0;
  font-size:14px;color:var(--ky-ink);padding:0;
}
.ky-search input::placeholder{color:var(--ky-ink-3)}
.ky-search kbd{
  font-size:11px;font-weight:600;color:var(--ky-ink-3);
  background:#fff;border:1px solid var(--ky-line);border-radius:6px;padding:2px 6px;
  font-family:inherit;white-space:nowrap;
}
.ky-burger{
  display:none;width:44px;height:44px;border:1px solid var(--ky-line);border-radius:var(--ky-r-sm);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.ky-burger span{display:block;width:18px;height:2px;background:var(--ky-ink);border-radius:2px;position:relative}
.ky-burger span::before,.ky-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ky-ink);border-radius:2px}
.ky-burger span::before{top:-6px}
.ky-burger span::after{top:6px}

/* ---------- buttons ---------- */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ky-ease),box-shadow .18s var(--ky-ease),background-position .18s var(--ky-ease),background-color .18s var(--ky-ease),color .18s var(--ky-ease),border-color .18s var(--ky-ease);
}
.ky-btn svg{width:16px;height:16px}
.ky-btn-primary{
  background-image:var(--ky-grad-cta);background-size:180% 100%;background-position:0 0;
  color:#fff;box-shadow:var(--ky-sh-1);
}
.ky-btn-primary:hover{background-position:60% 0;box-shadow:var(--ky-sh-2);color:#fff;transform:translateY(-2px)}
.ky-btn-primary:active{transform:translateY(1px);box-shadow:var(--ky-sh-1)}
.ky-btn-ghost{background:#fff;border-color:var(--ky-line);color:var(--ky-ink)}
.ky-btn-ghost:hover{background:var(--ky-primary-l);border-color:var(--ky-primary);color:var(--ky-primary);transform:translateY(-2px)}
.ky-btn-sm{padding:10px 20px;font-size:14px}
.ky-btn-block{width:100%}
.ky-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ky-primary)}
.ky-link svg{width:16px;height:16px;transition:transform .18s var(--ky-ease)}
.ky-link:hover svg{transform:translateX(3px)}

/* ---------- drawer ---------- */
.ky-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:1060;
  background:#fff;box-shadow:-10px 0 40px -20px rgba(16,34,30,.5);
  transform:translateX(102%);transition:transform .26s var(--ky-ease);
  padding:22px;overflow-y:auto;
}
.ky-drawer.open{transform:translateX(0)}
.ky-drawer-mask{
  position:fixed;inset:0;background:rgba(16,34,30,.45);z-index:1050;opacity:0;visibility:hidden;
  transition:opacity .22s var(--ky-ease),visibility .22s var(--ky-ease);
}
.ky-drawer-mask.open{opacity:1;visibility:visible}
body.ky-lock{overflow:hidden}
.ky-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.ky-drawer-close{width:40px;height:40px;border:1px solid var(--ky-line);border-radius:10px;background:#fff;font-size:18px;line-height:1;color:var(--ky-ink-2);cursor:pointer}
.ky-drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.ky-drawer-nav a{padding:13px 14px;border-radius:var(--ky-r-sm);font-size:15px;font-weight:600;color:var(--ky-ink)}
.ky-drawer-nav a:hover,.ky-drawer-nav a.active{background:var(--ky-primary-l);color:var(--ky-primary)}
.ky-search--full{min-width:0;width:100%;margin-bottom:14px}

/* ---------- sections ---------- */
.ky-section{padding:96px 0}
.ky-section--tight{padding:72px 0}
.ky-section--alt{background:var(--ky-bg-2)}
.ky-eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--ky-primary);background:var(--ky-primary-l);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.ky-h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ky-ink)}
.ky-h2::before{
  content:"";display:block;width:28px;height:3px;border-radius:2px;
  background:var(--ky-grad);margin-bottom:16px;
}
.ky-h2--center{text-align:center}
.ky-h2--center::before{margin-left:auto;margin-right:auto}
.ky-h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--ky-ink)}
.ky-lead{font-size:16px;line-height:1.95;color:var(--ky-ink-2);margin-top:18px;max-width:42ch}
.ky-sub{font-size:16px;line-height:1.9;color:var(--ky-ink-2);margin-top:14px}
.ky-sec-head{margin-bottom:40px}
.ky-sec-head--center{text-align:center;max-width:720px;margin-left:auto;margin-right:auto}
.ky-sec-head--center .ky-sub{max-width:640px;margin-left:auto;margin-right:auto}

/* ---------- hero ---------- */
.ky-hero{position:relative;padding:72px 0 84px;overflow:hidden}
.ky-hero::before{
  content:"";position:absolute;top:-220px;right:-180px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(47,182,160,.13) 0%,rgba(47,182,160,0) 68%);
  pointer-events:none;
}
.ky-hero-row{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:48px}
.ky-hero-copy{flex:1 1 520px;min-width:0}
.ky-hero-visual{flex:1 1 420px;min-width:0;position:relative}
.ky-hero h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--ky-ink);
}
.ky-hero-sub{font-size:clamp(17px,1.6vw,20px);font-weight:600;color:var(--ky-primary);margin-top:16px}
.ky-hero-desc{font-size:16px;line-height:1.95;color:var(--ky-ink-2);margin-top:16px;max-width:44ch}
.ky-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.ky-tag{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--ky-primary);background:var(--ky-primary-l);border-radius:999px;padding:6px 14px;
}
.ky-tag--accent{color:#B8431A;background:var(--ky-accent-l)}
.ky-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.ky-hero-media{
  position:relative;border-radius:var(--ky-r-lg);overflow:hidden;
  box-shadow:var(--ky-sh-2);aspect-ratio:4/3;background:var(--ky-bg-2);
}
.ky-hero-media img{width:100%;height:100%;object-fit:cover}
.ky-float-badge{
  position:absolute;right:-14px;bottom:-18px;
  background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r-md);
  box-shadow:var(--ky-sh-2);padding:18px 22px;min-width:180px;
}
.ky-float-badge strong{display:block;font-size:30px;font-weight:800;line-height:1.1;color:var(--ky-primary);font-variant-numeric:tabular-nums}
.ky-float-badge span{display:block;font-size:13px;color:var(--ky-ink-2);margin-top:4px}

/* ---------- stats ---------- */
.ky-stats{border-top:1px solid var(--ky-line);border-bottom:1px solid var(--ky-line);background:#fff}
.ky-stats-row{display:flex;flex-wrap:wrap}
.ky-stat{
  flex:1 1 220px;padding:30px 26px;border-right:1px solid var(--ky-line);
  display:flex;flex-direction:column;gap:6px;
}
.ky-stat:last-child{border-right:0}
.ky-stat strong{font-size:clamp(28px,3.6vw,40px);font-weight:800;line-height:1.1;color:var(--ky-primary);font-variant-numeric:tabular-nums}
.ky-stat span{font-size:14px;color:var(--ky-ink-2);line-height:1.7}

/* ---------- pain ---------- */
.ky-pain-list{border-top:1px solid var(--ky-line)}
.ky-pain-item{display:flex;gap:20px;padding:26px 0;border-bottom:1px solid var(--ky-line)}
.ky-pain-num{
  flex:0 0 46px;height:46px;border-radius:14px;background:var(--ky-grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.ky-pain-item h3{margin-bottom:6px}
.ky-pain-item p{font-size:15px;line-height:1.9;color:var(--ky-ink-2)}

/* ---------- solution ---------- */
.ky-card{
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r-md);
  box-shadow:var(--ky-sh-1);padding:28px;height:100%;
  transition:transform .18s var(--ky-ease),box-shadow .18s var(--ky-ease);
}
.ky-card:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-2)}
.ky-card--lg{border-radius:var(--ky-r-lg);padding:32px}
.ky-card-ico{
  width:52px;height:52px;border-radius:16px;background:var(--ky-primary-l);
  display:flex;align-items:center;justify-content:center;color:var(--ky-primary);margin-bottom:20px;
}
.ky-card-ico svg{width:24px;height:24px}
.ky-card p{font-size:15px;line-height:1.9;color:var(--ky-ink-2);margin-top:12px}
.ky-points{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.ky-points li{display:flex;gap:10px;font-size:14.5px;color:var(--ky-ink-2);line-height:1.8}
.ky-points svg{width:16px;height:16px;flex:0 0 16px;margin-top:6px;color:var(--ky-primary)}
.ky-card-link{margin-top:22px}

.ky-flow{margin-top:24px}
.ky-flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:26px;position:relative}
.ky-flow-step{position:relative;padding-right:24px}
.ky-flow-step::before{
  content:"";position:absolute;left:0;top:17px;right:24px;height:1px;background:var(--ky-line);
}
.ky-flow-step:last-child::before{display:none}
.ky-flow-dot{
  position:relative;z-index:1;width:36px;height:36px;border-radius:12px;background:var(--ky-grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.ky-flow-step h4{font-size:16px;font-weight:700;margin-top:16px;color:var(--ky-ink)}
.ky-flow-step p{font-size:14px;line-height:1.8;color:var(--ky-ink-2);margin-top:6px}

/* ---------- results ---------- */
.ky-result-wall{position:relative;min-height:400px}
.ky-result-img{border-radius:var(--ky-r-md);overflow:hidden;box-shadow:var(--ky-sh-1)}
.ky-result-img img{width:100%;height:100%;object-fit:cover}
.ky-result-img--a{width:76%;aspect-ratio:16/11}
.ky-result-img--b{width:62%;aspect-ratio:4/3;position:absolute;right:0;bottom:0;border:6px solid var(--ky-bg-2)}
.ky-badge-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ky-badge{
  background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r-md);
  padding:20px;box-shadow:var(--ky-sh-1);
}
.ky-badge strong{display:block;font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.1;color:var(--ky-primary);font-variant-numeric:tabular-nums}
.ky-badge span{display:block;font-size:13px;color:var(--ky-ink-2);margin-top:6px;line-height:1.7}
.ky-result-note{margin-top:24px;font-size:15px;line-height:1.9;color:var(--ky-ink-2)}

/* ---------- voices ---------- */
.ky-voice-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px}
.ky-voice-side{display:grid;gap:24px}
.ky-voice-card{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r-md);
  box-shadow:var(--ky-sh-1);padding:28px;height:100%;
  transition:transform .18s var(--ky-ease),box-shadow .18s var(--ky-ease);
}
.ky-voice-card:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-2)}
.ky-voice-card::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:120px;height:120px;border-radius:28px;
  background:var(--ky-grad);opacity:.10;
}
.ky-quote{font-size:16px;line-height:1.95;color:var(--ky-ink);position:relative;z-index:1}
.ky-voice-card--lead .ky-quote{font-size:17px}
.ky-quote-mark{font-size:40px;line-height:1;color:var(--ky-primary-l);font-weight:800;display:block;margin-bottom:6px}
.ky-voice-person{display:flex;align-items:center;gap:12px;margin-top:22px;position:relative;z-index:1}
.ky-avatar{
  width:44px;height:44px;border-radius:50%;background:var(--ky-primary-l);color:var(--ky-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 44px;
}
.ky-voice-person b{display:block;font-size:15px;color:var(--ky-ink)}
.ky-voice-person small{display:block;font-size:13px;color:var(--ky-ink-3)}

/* ---------- news ---------- */
.ky-news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.ky-post{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r-md);
  box-shadow:var(--ky-sh-1);overflow:hidden;color:inherit;
  transition:transform .18s var(--ky-ease),box-shadow .18s var(--ky-ease);
}
.ky-post:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-2);color:inherit}
.ky-post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ky-bg-2)}
.ky-post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ky-ease)}
.ky-post:hover .ky-post-thumb img{transform:scale(1.04)}
.ky-post-thumb .ky-tag{position:absolute;left:14px;top:14px;background:rgba(228,243,239,.95)}
.ky-post-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto}
.ky-post-title{
  font-size:18px;font-weight:700;line-height:1.5;color:var(--ky-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ky-post-excerpt{
  font-size:14.5px;line-height:1.85;color:var(--ky-ink-2);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ky-post-foot{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ky-ink-3);
}
.ky-post-foot svg{width:16px;height:16px;color:var(--ky-primary);transition:transform .18s var(--ky-ease)}
.ky-post:hover .ky-post-foot svg{transform:translateX(3px)}
.ky-empty{
  background:#fff;border:1px dashed var(--ky-line);border-radius:var(--ky-r-md);
  padding:56px 24px;text-align:center;
}
.ky-empty svg{width:44px;height:44px;color:var(--ky-ink-3);margin:0 auto 16px}
.ky-empty p{font-size:15px;color:var(--ky-ink-2);margin-bottom:20px}

/* ---------- faq ---------- */
.ky-accordion .accordion-item{
  position:relative;border:1px solid var(--ky-line);border-radius:var(--ky-r-md)!important;
  background:#fff;margin-bottom:16px;overflow:hidden;box-shadow:var(--ky-sh-1);
}
.ky-accordion .accordion-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:var(--ky-grad);opacity:0;transition:opacity .2s var(--ky-ease);z-index:2;
}
.ky-accordion .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1}
.ky-accordion .accordion-button{
  font-size:17px;font-weight:600;color:var(--ky-ink);background:#fff;
  padding:22px 26px;box-shadow:none;border:0;
}
.ky-accordion .accordion-button:not(.collapsed){color:var(--ky-primary);background:#fff}
.ky-accordion .accordion-button:focus{box-shadow:inset 0 0 0 2px var(--ky-ring);z-index:1}
.ky-accordion .accordion-button::after{
  width:16px;height:16px;background-size:16px;
  filter:invert(38%) sepia(24%) saturate(1200%) hue-rotate(120deg) brightness(90%);
}
.ky-accordion .accordion-body{
  padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--ky-ink-2);
}

/* ---------- cta / contact ---------- */
.ky-cta-card{
  display:grid;grid-template-columns:0.85fr 1.15fr;
  border-radius:var(--ky-r-lg);overflow:hidden;border:1px solid var(--ky-line);
  background:#fff;box-shadow:var(--ky-sh-1);
}
.ky-cta-aside{background-image:var(--ky-grad);color:#fff;padding:40px 34px;display:flex;flex-direction:column;justify-content:center}
.ky-cta-aside h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35;letter-spacing:-.01em}
.ky-cta-aside p{font-size:15px;line-height:1.85;margin-top:14px;color:rgba(255,255,255,.92)}
.ky-cta-aside ul{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.ky-cta-aside li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.95)}
.ky-cta-aside li svg{width:16px;height:16px;flex:0 0 16px;margin-top:6px}
.ky-cta-form{padding:40px 38px}
.ky-form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ky-field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.ky-field label{font-size:14px;font-weight:600;color:var(--ky-ink)}
.ky-field input,.ky-field textarea{
  width:100%;padding:14px 16px;border-radius:var(--ky-r-sm);
  border:1px solid var(--ky-line);background:#F6F9F8;color:var(--ky-ink);
  font-size:15px;line-height:1.7;outline:none;
  transition:border-color .18s var(--ky-ease),box-shadow .18s var(--ky-ease),background .18s var(--ky-ease);
}
.ky-field textarea{min-height:120px;resize:vertical}
.ky-field input::placeholder,.ky-field textarea::placeholder{color:var(--ky-ink-3)}
.ky-field input:focus,.ky-field textarea:focus{
  background:#fff;border-color:var(--ky-primary);box-shadow:0 0 0 2px var(--ky-ring);
}
.ky-form-note{font-size:13px;color:var(--ky-ink-3);margin-top:14px;line-height:1.7}

/* ---------- footer ---------- */
.ky-footer{background:#0A2A26;color:#C9DED9;padding:72px 0 0;margin-top:0}
.ky-footer .ky-logo-text{color:#fff}
.ky-footer-brandtext{font-size:14.5px;line-height:1.9;color:#9CBDB6;margin-top:18px;max-width:34ch}
.ky-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.ky-footer-links{display:flex;flex-direction:column;gap:10px}
.ky-footer-links a{font-size:14.5px;color:#C9DED9;display:inline-block;transition:color .18s var(--ky-ease),transform .18s var(--ky-ease)}
.ky-footer-links a:hover{color:var(--ky-accent);transform:translateX(2px)}
.ky-footer-contact li{font-size:14.5px;line-height:1.9;color:#C9DED9;margin-bottom:10px}
.ky-footer-contact a{color:var(--ky-accent)}
.ky-footer-social{display:flex;gap:10px;margin-top:20px}
.ky-footer-social a{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(201,222,217,.24);
  display:flex;align-items:center;justify-content:center;color:#C9DED9;
}
.ky-footer-social a:hover{color:#fff;border-color:var(--ky-accent);background:rgba(255,122,69,.14)}
.ky-footer-social svg{width:18px;height:18px}
.ky-footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(201,222,217,.18);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#8FAFA8;
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .ky-search{min-width:180px}
}
@media (max-width:991.98px){
  .ky-nav,.ky-search,.ky-nav-right .ky-btn{display:none}
  .ky-burger{display:flex}
  .ky-nav-wrap{height:60px}
  .ky-section{padding:56px 0}
  .ky-section--tight{padding:48px 0}
  .ky-hero{padding:40px 0 60px}
  .ky-hero-row{gap:36px}
  .ky-flow-grid{grid-template-columns:1fr 1fr;row-gap:28px}
  .ky-flow-step::before{display:none}
  .ky-voice-grid{grid-template-columns:1fr}
  .ky-cta-card{grid-template-columns:1fr}
  .ky-cta-aside,.ky-cta-form{padding:32px 24px}
  .ky-result-wall{min-height:320px;margin-bottom:28px}
  .ky-tab-nav{display:none}
}
@media (max-width:767.98px){
  .ky-container{padding:0 16px}
  .ky-hero h1{font-size:32px}
  .ky-hero-actions .ky-btn{width:100%}
  .ky-stat{flex:1 1 50%;border-right:0;border-bottom:1px solid var(--ky-line);padding:22px 18px}
  .ky-stat:nth-child(odd){border-right:1px solid var(--ky-line)}
  .ky-stat:nth-last-child(-n+2){border-bottom:0}
  .ky-card,.ky-card--lg{padding:20px}
  .ky-badge-grid{grid-template-columns:1fr 1fr;gap:12px}
  .ky-form-row{grid-template-columns:1fr}
  .ky-float-badge{right:12px;bottom:12px}
  .ky-flow-grid{grid-template-columns:1fr}
  .ky-result-img--a{width:100%}
  .ky-result-img--b{position:relative;width:100%;margin-top:16px;border:0;bottom:auto;right:auto}
  .ky-result-wall{min-height:0}
}
@media (max-width:520px){
  .ky-badge-grid{grid-template-columns:1fr}
  .ky-accordion .accordion-button{font-size:15.5px;padding:18px 18px}
  .ky-accordion .accordion-body{padding:0 18px 20px}
}
.ky-ico{width:16px;height:16px;display:inline-block;vertical-align:middle}
img{max-width:100%}
.ky-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* roulang page: article */
:root{
  --bs-primary:#0F7B6C;
  --bs-body-bg:#F6F9F8;
  --bs-body-color:#16221F;
  --bs-link-color:#0F7B6C;
  --bs-link-hover-color:#0A5F53;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --ky-primary:#0F7B6C;
  --ky-primary-d:#0A5F53;
  --ky-primary-l:#E4F3EF;
  --ky-accent:#FF7A45;
  --ky-accent-l:#FFE9DF;
  --ky-bg:#F6F9F8;
  --ky-bg-2:#EFF5F3;
  --ky-surface:#FFFFFF;
  --ky-ink:#16221F;
  --ky-ink-2:#4C5B57;
  --ky-ink-3:#7C8B87;
  --ky-line:#E3EAE7;
  --ky-ring:rgba(15,123,108,.35);
  --ky-grad:linear-gradient(118deg,#0F7B6C 0%,#2FB6A0 58%,#7FD8C4 100%);
  --ky-grad-cta:linear-gradient(118deg,#FF7A45 0%,#FFA53D 100%);
  --ky-sh-1:0 1px 2px rgba(16,34,30,.05),0 10px 24px -14px rgba(16,34,30,.18);
  --ky-sh-2:0 2px 4px rgba(16,34,30,.06),0 20px 40px -18px rgba(16,34,30,.24);
  --ky-r-sm:12px;
  --ky-r-md:20px;
  --ky-r-lg:28px;
  --ky-head-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.9;
  color:var(--ky-ink);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ky-primary);text-decoration:none;transition:color .18s cubic-bezier(.2,.7,.3,1)}
a:hover{color:var(--ky-primary-d)}
h1,h2,h3,h4,h5{margin:0;color:var(--ky-ink);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0}
button,input,textarea,select{font-family:inherit}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px}
.ky-container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Header / Nav ---------- */
.ky-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(246,249,248,.98);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.ky-header.is-scrolled{
  background:rgba(255,255,255,.98);
  border-bottom-color:var(--ky-line);
  box-shadow:var(--ky-sh-1);
}
.ky-nav-wrap{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:var(--ky-head-h);
}
.ky-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.ky-logo-mark{
  position:relative;
  width:36px;
  height:36px;
  display:inline-block;
  flex:0 0 auto;
}
.ky-logo-mark i{
  position:absolute;
  width:21px;
  height:21px;
  border-radius:8px;
  background:var(--ky-grad);
}
.ky-logo-mark i:first-child{left:0;top:0}
.ky-logo-mark i:last-child{right:0;bottom:0;background:var(--ky-grad-cta);opacity:.92}
.ky-logo-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ky-ink);
}
.ky-nav{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1 1 auto;
  justify-content:center;
}
.ky-nav-link{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  font-weight:600;
  color:var(--ky-ink);
  border-radius:var(--ky-r-sm);
  white-space:nowrap;
}
.ky-nav-link::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--ky-grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s cubic-bezier(.2,.7,.3,1);
}
.ky-nav-link:hover{color:var(--ky-primary)}
.ky-nav-link:hover::after,
.ky-nav-link.active::after{transform:scaleX(1)}
.ky-nav-link.active{color:var(--ky-primary)}
.ky-nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.ky-search{
  display:flex;
  align-items:center;
  gap:8px;
  background:#F2F7F5;
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-sm);
  padding:8px 12px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.ky-search:focus-within{border-color:var(--ky-primary);box-shadow:0 0 0 3px var(--ky-ring)}
.ky-search svg{width:18px;height:18px;color:var(--ky-ink-3);flex:0 0 auto}
.ky-search input{
  border:0;
  background:transparent;
  outline:none;
  width:168px;
  font-size:14px;
  color:var(--ky-ink);
}
.ky-search input::placeholder{color:var(--ky-ink-3)}
.ky-search kbd{
  font-size:11px;
  color:var(--ky-ink-3);
  background:#fff;
  border:1px solid var(--ky-line);
  border-radius:6px;
  padding:2px 6px;
  font-family:inherit;
}
.ky-burger{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  background:#fff;
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-sm);
  cursor:pointer;
}
.ky-burger span{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ky-ink);
}
.ky-burger span::before,
.ky-burger span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ky-ink);
}
.ky-burger span::before{top:-6px}
.ky-burger span::after{top:6px}

/* ---------- Buttons ---------- */
.ky-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  text-align:center;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s ease,background-position .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.ky-btn-primary{
  background-image:var(--ky-grad-cta);
  background-size:160% 100%;
  background-position:0 0;
  color:#fff;
  box-shadow:0 12px 24px -14px rgba(255,122,69,.9);
}
.ky-btn-primary:hover{
  color:#fff;
  background-position:100% 0;
  transform:translateY(-1px);
  box-shadow:0 18px 30px -16px rgba(255,122,69,.95);
}
.ky-btn-primary:active{transform:translateY(1px);box-shadow:0 8px 18px -12px rgba(255,122,69,.9)}
.ky-btn-ghost{
  background:#fff;
  border-color:var(--ky-line);
  color:var(--ky-ink);
}
.ky-btn-ghost:hover{background:var(--ky-primary-l);color:var(--ky-primary-d);border-color:#CFE5DF}
.ky-btn-ghost:active{transform:translateY(1px)}
.ky-btn-sm{padding:10px 18px;font-size:14px}

/* ---------- Article hero ---------- */
.ky-article-hero{
  background:
    radial-gradient(760px 320px at 88% -30%,rgba(47,182,160,.16),transparent 70%),
    linear-gradient(180deg,#EFF5F3 0%,#F6F9F8 100%);
  border-bottom:1px solid var(--ky-line);
  padding:44px 0 36px;
}
.ky-crumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  font-size:13px;
  color:var(--ky-ink-3);
  margin-bottom:16px;
}
.ky-crumb a{color:var(--ky-ink-3)}
.ky-crumb a:hover{color:var(--ky-primary)}
.ky-crumb .sep{color:#B9C6C2}
.ky-article-hero h1{
  font-size:clamp(26px,3.4vw,42px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.28;
  max-width:900px;
}
.ky-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  margin-top:20px;
  font-size:13px;
  color:var(--ky-ink-3);
}
.ky-meta-item{display:inline-flex;align-items:center;gap:6px}
.ky-meta-item svg{width:15px;height:15px}
.ky-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--ky-primary-l);
  color:var(--ky-primary-d);
  border-radius:999px;
  padding:5px 12px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}

/* ---------- Article layout ---------- */
.ky-article-main{padding:48px 0 72px}
.ky-article-body{
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  border-radius:24px;
  padding:36px 40px;
  box-shadow:var(--ky-sh-1);
  font-size:16.5px;
  line-height:1.95;
  color:var(--ky-ink-2);
  max-width:840px;
  overflow-wrap:break-word;
}
.ky-article-body > *:first-child{margin-top:0}
.ky-article-body h2{
  position:relative;
  font-size:clamp(21px,2.4vw,26px);
  font-weight:700;
  color:var(--ky-ink);
  line-height:1.4;
  margin:42px 0 16px;
  padding-left:16px;
}
.ky-article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:5px;
  bottom:5px;
  width:3px;
  border-radius:3px;
  background:var(--ky-grad);
}
.ky-article-body h3{
  font-size:19px;
  font-weight:600;
  color:var(--ky-ink);
  line-height:1.5;
  margin:30px 0 12px;
}
.ky-article-body h4{
  font-size:17px;
  font-weight:700;
  color:var(--ky-ink);
  margin:24px 0 10px;
}
.ky-article-body p{margin:0 0 1.2em}
.ky-article-body ul,
.ky-article-body ol{list-style:none;padding-left:0;margin:0 0 1.2em}
.ky-article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.ky-article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:12px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--ky-primary);
}
.ky-article-body ol{counter-reset:kyli}
.ky-article-body ol li{position:relative;padding-left:36px;margin-bottom:12px;counter-increment:kyli}
.ky-article-body ol li::before{
  content:counter(kyli);
  position:absolute;
  left:0;
  top:4px;
  width:23px;
  height:23px;
  border-radius:8px;
  background:var(--ky-primary-l);
  color:var(--ky-primary-d);
  font-size:13px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}
.ky-article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border-left:3px solid var(--ky-primary);
  background:var(--ky-primary-l);
  border-radius:0 16px 16px 0;
  color:var(--ky-ink-2);
}
.ky-article-body blockquote p:last-child{margin-bottom:0}
.ky-article-body img{
  border-radius:16px;
  margin:26px auto;
}
.ky-article-body table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  border:1px solid var(--ky-line);
  border-radius:12px;
  overflow:hidden;
}
.ky-article-body th{
  background:var(--ky-bg-2);
  color:var(--ky-ink);
  font-weight:700;
}
.ky-article-body th,
.ky-article-body td{
  border:1px solid var(--ky-line);
  padding:12px 14px;
  text-align:left;
  vertical-align:top;
}
.ky-article-body tbody tr:nth-child(even){background:#FAFCFB}
.ky-article-body a{
  color:var(--ky-primary);
  border-bottom:1px solid rgba(15,123,108,.35);
}
.ky-article-body a:hover{border-bottom-color:var(--ky-primary)}
.ky-empty{
  text-align:center;
  padding:48px 24px;
}
.ky-empty h2{font-size:22px;margin-bottom:12px;padding:0}
.ky-empty h2::before{display:none}
.ky-empty p{color:var(--ky-ink-2);margin-bottom:22px}

/* ---------- Post nav ---------- */
.ky-postnav{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin-top:28px;
  max-width:840px;
}
.ky-postnav-card{
  display:block;
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-md);
  padding:20px 22px;
  box-shadow:var(--ky-sh-1);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s ease,border-color .18s ease;
}
.ky-postnav-card:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-2);border-color:#CFE5DF}
.ky-postnav-card .dir{
  display:block;
  font-size:13px;
  color:var(--ky-ink-3);
  margin-bottom:8px;
}
.ky-postnav-card .ttl{
  display:block;
  font-size:16.5px;
  font-weight:700;
  color:var(--ky-ink);
  line-height:1.5;
}
.ky-postnav-card:hover .ttl{color:var(--ky-primary-d)}
.ky-backlink{
  text-align:center;
  margin-top:30px;
  max-width:840px;
}
.ky-backlink a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--ky-primary);
}
.ky-backlink a svg{width:18px;height:18px;transition:transform .18s ease}
.ky-backlink a:hover svg{transform:translateX(-3px)}

/* ---------- Sidebar ---------- */
.ky-side{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.ky-side-card{
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-md);
  padding:22px;
  box-shadow:var(--ky-sh-1);
}
.ky-side-card h4{
  font-size:15px;
  font-weight:700;
  color:var(--ky-ink);
  margin-bottom:14px;
  padding-left:12px;
  position:relative;
}
.ky-side-card h4::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:3px;
  border-radius:3px;
  background:var(--ky-grad);
}
.ky-side-nav{display:flex;flex-direction:column;gap:4px}
.ky-side-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:11px 12px;
  border-radius:var(--ky-r-sm);
  font-size:14.5px;
  color:var(--ky-ink-2);
}
.ky-side-nav a:hover{background:var(--ky-bg-2);color:var(--ky-primary)}
.ky-side-nav a.current{background:var(--ky-primary-l);color:var(--ky-primary-d);font-weight:600}
.ky-side-nav a svg{width:15px;height:15px;opacity:.7}
.ky-mini{
  display:flex;
  gap:12px;
  align-items:center;
  padding:11px 0;
  border-bottom:1px solid var(--ky-line);
  color:var(--ky-ink);
}
.ky-mini:last-child{border-bottom:0;padding-bottom:0}
.ky-mini img{
  width:66px;
  height:50px;
  object-fit:cover;
  border-radius:var(--ky-r-sm);
  flex:0 0 auto;
}
.ky-mini span{
  font-size:14.5px;
  font-weight:600;
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.ky-mini:hover span{color:var(--ky-primary)}
.ky-side-cta{
  background:linear-gradient(140deg,#0F7B6C 0%,#2FB6A0 62%,#5FCDB6 100%);
  border:0;
  color:#fff;
  border-radius:var(--ky-r-md);
  padding:24px;
  box-shadow:var(--ky-sh-1);
}
.ky-side-cta h4{color:#fff;font-size:17px;margin-bottom:10px;padding:0}
.ky-side-cta h4::before{display:none}
.ky-side-cta p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.88);margin-bottom:18px}
.ky-side-cta .ky-btn{width:100%}

/* ---------- Section & cards ---------- */
.ky-section{padding:76px 0}
.ky-sec-head{max-width:760px;margin-bottom:40px}
.ky-sec-head h2{
  position:relative;
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  line-height:1.3;
  padding-top:18px;
}
.ky-sec-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:28px;
  height:3px;
  border-radius:3px;
  background:var(--ky-grad);
}
.ky-sec-head p{margin-top:14px;font-size:16px;color:var(--ky-ink-2);line-height:1.9}
.ky-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-md);
  overflow:hidden;
  box-shadow:var(--ky-sh-1);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s ease,border-color .18s ease;
}
.ky-card:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-2);border-color:#CFE5DF}
.ky-card-cover{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:0;
}
.ky-card-body{
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1 1 auto;
  padding:22px 22px 20px;
}
.ky-card-body h3{
  font-size:18.5px;
  font-weight:700;
  line-height:1.5;
  color:var(--ky-ink);
}
.ky-card:hover .ky-card-body h3{color:var(--ky-primary-d)}
.ky-card-body p{font-size:14.5px;line-height:1.85;color:var(--ky-ink-2)}
.ky-card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:14px;
  border-top:1px solid var(--ky-line);
  font-size:13px;
  color:var(--ky-ink-3);
}
.ky-card-foot svg{width:17px;height:17px;color:var(--ky-primary);transition:transform .18s ease}
.ky-card:hover .ky-card-foot svg{transform:translateX(3px)}

/* ---------- CTA ---------- */
.ky-cta{padding:24px 0 80px}
.ky-cta-card{
  display:grid;
  grid-template-columns:1fr 1.15fr;
  border-radius:var(--ky-r-lg);
  overflow:hidden;
  border:1px solid var(--ky-line);
  background:var(--ky-surface);
  box-shadow:var(--ky-sh-1);
}
.ky-cta-left{
  background:linear-gradient(140deg,#0F7B6C 0%,#2FB6A0 58%,#7FD8C4 100%);
  color:#fff;
  padding:44px 40px;
}
.ky-cta-left h2{color:#fff;font-size:clamp(23px,2.6vw,30px);line-height:1.35;margin-bottom:14px}
.ky-cta-left p{color:rgba(255,255,255,.9);font-size:15px;line-height:1.9;margin-bottom:24px}
.ky-cta-points{list-style:none;display:flex;flex-direction:column;gap:10px}
.ky-cta-points li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.5px;
  color:rgba(255,255,255,.95);
}
.ky-cta-points svg{width:17px;height:17px;flex:0 0 auto;margin-top:4px}
.ky-cta-right{padding:44px 40px}
.ky-form{display:flex;flex-direction:column;gap:16px}
.ky-field{display:flex;flex-direction:column;gap:8px}
.ky-field label{font-size:13.5px;font-weight:600;color:var(--ky-ink)}
.ky-field input,
.ky-field textarea{
  width:100%;
  background:var(--ky-bg);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-sm);
  padding:14px 16px;
  font-size:15px;
  color:var(--ky-ink);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.ky-field textarea{min-height:118px;resize:vertical}
.ky-field input::placeholder,
.ky-field textarea::placeholder{color:var(--ky-ink-3)}
.ky-field input:focus,
.ky-field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--ky-primary);
  box-shadow:0 0 0 3px var(--ky-ring);
}
.ky-form .ky-btn{width:100%}
.ky-form-note{font-size:13px;color:var(--ky-ink-3)}

/* ---------- Footer ---------- */
.ky-footer{
  background:#0A2A26;
  color:#C9DED9;
  padding:64px 0 0;
}
.ky-footer .ky-logo-text{color:#fff}
.ky-footer-brandtext{
  font-size:14.5px;
  line-height:1.9;
  color:rgba(201,222,217,.86);
  margin:18px 0;
  max-width:340px;
}
.ky-footer h4{
  color:#fff;
  font-size:14px;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.ky-footer-links{display:flex;flex-direction:column;gap:10px}
.ky-footer-links a{
  color:#C9DED9;
  font-size:14.5px;
  display:inline-block;
  transition:color .18s ease,transform .18s ease;
}
.ky-footer-links a:hover{color:var(--ky-accent);transform:translateX(2px)}
.ky-footer-social{display:flex;gap:10px}
.ky-footer-social a{
  width:38px;
  height:38px;
  border-radius:var(--ky-r-sm);
  background:rgba(255,255,255,.08);
  color:#C9DED9;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background-color .18s ease,color .18s ease;
}
.ky-footer-social a:hover{background:rgba(255,122,69,.9);color:#fff}
.ky-footer-social svg{width:18px;height:18px}
.ky-footer-contact{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:10px;
  font-size:14.5px;
  color:rgba(201,222,217,.9);
}
.ky-footer-contact a{color:var(--ky-accent)}
.ky-footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13.5px;
  color:rgba(201,222,217,.76);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .ky-search input{width:130px}
}
@media (max-width:991px){
  :root{--ky-head-h:60px}
  .ky-container{padding:0 18px}
  .ky-nav{
    position:fixed;
    top:60px;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:2px;
    background:#fff;
    padding:12px 18px 20px;
    border-bottom:1px solid var(--ky-line);
    box-shadow:var(--ky-sh-2);
    transform:translateY(-10px);
    opacity:0;
    visibility:hidden;
    transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
    max-height:calc(100vh - 60px);
    overflow-y:auto;
  }
  .ky-nav.open{transform:none;opacity:1;visibility:visible}
  .ky-nav-link{padding:14px 12px;font-size:16px;border-radius:var(--ky-r-sm)}
  .ky-nav-link::after{display:none}
  .ky-nav-link.active{background:var(--ky-primary-l);color:var(--ky-primary-d)}
  .ky-search{display:none}
  .ky-burger{display:inline-flex}
  .ky-nav-right{margin-left:auto}
  .ky-article-main{padding:32px 0 56px}
  .ky-article-body{padding:26px 22px;border-radius:var(--ky-r-md);font-size:16px}
  .ky-article-body h2{margin-top:34px}
  .ky-side{position:static}
  .ky-postnav{grid-template-columns:1fr}
  .ky-section{padding:56px 0}
  .ky-cta-card{grid-template-columns:1fr}
  .ky-cta-left,.ky-cta-right{padding:32px 24px}
  .ky-footer{padding:48px 0 0}
}
@media (max-width:575px){
  .ky-container{padding:0 16px}
  .ky-logo-text{font-size:17px}
  .ky-btn{padding:13px 22px;font-size:14.5px}
  .ky-btn-sm{padding:10px 16px;font-size:13.5px}
  .ky-article-hero{padding:30px 0 26px}
  .ky-article-body{padding:22px 18px}
  .ky-card-body{padding:18px}
  .ky-side-card{padding:18px}
  .ky-cta-left,.ky-cta-right{padding:26px 20px}
  .ky-footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --ky-primary:#0F7B6C;
  --ky-primary-d:#0A5F53;
  --ky-primary-l:#E4F3EF;
  --ky-accent:#FF7A45;
  --ky-accent-l:#FFE9DF;
  --ky-bg:#F6F9F8;
  --ky-bg-2:#EFF5F3;
  --ky-surface:#FFFFFF;
  --ky-ink:#16221F;
  --ky-ink-2:#4C5B57;
  --ky-ink-3:#7C8B87;
  --ky-line:#E3EAE7;
  --ky-ring:rgba(15,123,108,.35);
  --ky-grad:linear-gradient(118deg,#0F7B6C 0%,#2FB6A0 58%,#7FD8C4 100%);
  --ky-grad-cta:linear-gradient(118deg,#FF7A45 0%,#FFA53D 100%);
  --ky-r-sm:12px;
  --ky-r-md:20px;
  --ky-r-lg:28px;
  --ky-sh-1:0 1px 2px rgba(16,34,30,.05),0 10px 24px -14px rgba(16,34,30,.18);
  --ky-sh-2:0 2px 4px rgba(16,34,30,.06),0 20px 40px -18px rgba(16,34,30,.24);
  --ky-ease:cubic-bezier(.2,.7,.3,1);

  --bs-primary:#0F7B6C;
  --bs-primary-rgb:15,123,108;
  --bs-body-bg:#F6F9F8;
  --bs-body-color:#16221F;
  --bs-link-color:#0F7B6C;
  --bs-link-hover-color:#0A5F53;
  --bs-border-radius:12px;
  --bs-border-color:#E3EAE7;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.9;
  color:var(--ky-ink);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ky-primary);text-decoration:none;transition:color .18s var(--ky-ease)}
a:hover{color:var(--ky-primary-d)}
h1,h2,h3,h4{margin:0;color:var(--ky-ink);letter-spacing:-.01em}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px}
.ky-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.ky-container{max-width:1320px}}
@media (max-width:575.98px){.ky-container{padding:0 16px}}

/* ---------- 导航 ---------- */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,249,248,.92);
  border-bottom:1px solid transparent;
  transition:background .2s var(--ky-ease),box-shadow .2s var(--ky-ease),border-color .2s var(--ky-ease);
}
.ky-header.ky-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--ky-line);
  box-shadow:var(--ky-sh-1);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.ky-nav-wrap{display:flex;align-items:center;gap:24px;height:72px}
.ky-logo{display:inline-flex;align-items:center;gap:10px;color:var(--ky-ink);flex:0 0 auto}
.ky-logo:hover{color:var(--ky-ink)}
.ky-logo-mark{position:relative;width:26px;height:26px;display:inline-block;flex:0 0 auto}
.ky-logo-mark i{position:absolute;display:block;border-radius:7px}
.ky-logo-mark i:first-child{width:18px;height:18px;left:0;top:0;background:var(--ky-grad)}
.ky-logo-mark i:last-child{width:16px;height:16px;right:0;bottom:0;background:var(--ky-accent);opacity:.92}
.ky-logo-text{font-size:19px;font-weight:800;letter-spacing:.01em}
.ky-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.ky-nav-link{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:15px;font-weight:600;color:var(--ky-ink);border-radius:10px;
  transition:color .18s var(--ky-ease),background .18s var(--ky-ease);
}
.ky-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--ky-grad);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ky-ease);
}
.ky-nav-link:hover{color:var(--ky-primary)}
.ky-nav-link:hover::after{transform:scaleX(1)}
.ky-nav-link.active{color:var(--ky-primary)}
.ky-nav-link.active::after{transform:scaleX(1)}
.ky-nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.ky-search{
  display:flex;align-items:center;gap:8px;
  background:#F2F7F5;border:1px solid var(--ky-line);border-radius:var(--ky-r-sm);
  padding:8px 10px;min-width:236px;transition:border-color .18s var(--ky-ease),box-shadow .18s var(--ky-ease);
}
.ky-search:focus-within{border-color:var(--ky-primary);box-shadow:0 0 0 3px var(--ky-ring)}
.ky-search svg{width:17px;height:17px;color:var(--ky-ink-3);flex:0 0 auto}
.ky-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;font-size:14px;outline:none}
.ky-search input::placeholder{color:var(--ky-ink-3)}
.ky-search kbd{
  font-family:inherit;font-size:11px;color:var(--ky-ink-3);background:#fff;
  border:1px solid var(--ky-line);border-radius:6px;padding:2px 6px;white-space:nowrap;
}
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;border-radius:999px;border:1px solid transparent;
  padding:14px 28px;cursor:pointer;transition:all .18s var(--ky-ease);text-align:center;
}
.ky-btn:active{transform:translateY(1px);box-shadow:var(--ky-sh-1)}
.ky-btn-primary{
  color:#fff;background:var(--ky-grad-cta);background-size:180% 100%;background-position:0 0;
  box-shadow:0 10px 22px -14px rgba(255,122,69,.9);
}
.ky-btn-primary:hover{color:#fff;background-position:100% 0;box-shadow:0 16px 30px -16px rgba(255,122,69,.95)}
.ky-btn-ghost{background:#fff;border-color:var(--ky-line);color:var(--ky-ink)}
.ky-btn-ghost:hover{background:var(--ky-primary-l);border-color:var(--ky-primary-l);color:var(--ky-primary)}
.ky-btn-sm{padding:10px 20px;font-size:14px}
.ky-btn-lg{padding:16px 32px}
.ky-btn-block{width:100%}
.ky-arrow-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--ky-primary)}
.ky-arrow-link svg{width:16px;height:16px;transition:transform .18s var(--ky-ease)}
.ky-arrow-link:hover svg{transform:translateX(3px)}
.ky-burger{
  display:none;width:44px;height:44px;border:1px solid var(--ky-line);background:#fff;
  border-radius:12px;align-items:center;justify-content:center;cursor:pointer;
}
.ky-burger span{position:relative;display:block;width:18px;height:2px;background:var(--ky-ink);border-radius:2px}
.ky-burger span::before,.ky-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ky-ink);border-radius:2px;
}
.ky-burger span::before{top:-6px}
.ky-burger span::after{top:6px}
.ky-search-mobile,.ky-cta-mobile{display:none}

/* ---------- Hero ---------- */
.ky-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  background:var(--ky-bg);
}
.ky-hero::before{
  content:"";position:absolute;right:-160px;top:-220px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(15,123,108,.12),rgba(15,123,108,0) 68%);
  pointer-events:none;
}
.ky-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center}
.ky-breadcrumb{font-size:13px;color:var(--ky-ink-3);margin-bottom:18px}
.ky-breadcrumb a{color:var(--ky-ink-2);font-weight:500}
.ky-breadcrumb a:hover{color:var(--ky-primary)}
.ky-breadcrumb span.sep{margin:0 8px;color:var(--ky-ink-3)}
.ky-hero h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.2;letter-spacing:-.02em;
  margin-bottom:18px;
}
.ky-hero-lead{font-size:17px;line-height:1.9;color:var(--ky-ink-2);max-width:36em;margin-bottom:24px}
.ky-tagrow{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.ky-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--ky-primary);background:var(--ky-primary-l);
  border-radius:999px;padding:7px 14px;
}
.ky-hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.ky-hero-visual{position:relative}
.ky-hero-visual img{
  width:100%;aspect-ratio:16 / 11;object-fit:cover;border-radius:var(--ky-r-lg);
  box-shadow:var(--ky-sh-1);
}
.ky-badge{
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r-md);
  padding:16px 20px;box-shadow:var(--ky-sh-1);
}
.ky-badge-num{
  font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--ky-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.ky-badge-label{font-size:13px;color:var(--ky-ink-2);line-height:1.7;margin-top:4px}
.ky-hero-float{
  position:absolute;right:-12px;bottom:-22px;max-width:250px;
}
@media (max-width:991.98px){
  .ky-hero-float{position:static;margin-top:16px;max-width:none}
}

/* ---------- 主体布局 ---------- */
.ky-main{padding:8px 0 40px}
.ky-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px;align-items:start}
.ky-side{position:sticky;top:96px}
.ky-side-card{
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r-md);
  padding:22px 20px;box-shadow:var(--ky-sh-1);
}
.ky-side-title{font-size:14px;font-weight:700;color:var(--ky-ink);margin-bottom:14px}
.ky-toc a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14px;font-weight:500;
  color:var(--ky-ink-2);border-left:2px solid transparent;transition:all .18s var(--ky-ease);
}
.ky-toc a:hover{background:var(--ky-bg-2);color:var(--ky-primary)}
.ky-toc a.active{background:var(--ky-primary-l);color:var(--ky-primary-d);border-left-color:var(--ky-primary);font-weight:600}
.ky-side-note{margin-top:18px;padding-top:18px;border-top:1px solid var(--ky-line);font-size:13px;color:var(--ky-ink-3);line-height:1.8}

.ky-section{padding:48px 0;scroll-margin-top:96px}
.ky-section + .ky-section{border-top:1px solid var(--ky-line)}
.ky-h2{
  position:relative;font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;
  padding-top:18px;margin-bottom:18px;
}
.ky-h2::before{
  content:"";position:absolute;top:0;left:0;width:28px;height:3px;border-radius:3px;background:var(--ky-grad);
}
.ky-h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:10px}
.ky-p{font-size:16px;line-height:1.9;color:var(--ky-ink-2);max-width:40em}
.ky-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 24px;margin:24px 0 26px}
.ky-point{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.8;color:var(--ky-ink-2)}
.ky-point svg{width:18px;height:18px;flex:0 0 auto;margin-top:5px;color:var(--ky-primary)}
.ky-metric{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:var(--ky-bg-2);border:1px solid var(--ky-line);border-radius:var(--ky-r-md);
  padding:18px 22px;
}
.ky-metric .ky-badge-num{font-size:clamp(24px,2.8vw,32px)}
.ky-metric-text{font-size:14px;color:var(--ky-ink-2);line-height:1.75;max-width:32em}
.ky-figure{margin:26px 0 6px}
.ky-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--ky-r-md);box-shadow:var(--ky-sh-1)}
.ky-figure figcaption{font-size:13px;color:var(--ky-ink-3);margin-top:10px}

/* ---------- FAQ ---------- */
.ky-faq{display:grid;gap:12px;margin-top:26px}
.ky-faq-item{
  position:relative;background:var(--ky-surface);border:1px solid var(--ky-line);
  border-radius:var(--ky-r-md);box-shadow:var(--ky-sh-1);overflow:hidden;
}
.ky-faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--ky-grad);
  opacity:0;transition:opacity .2s var(--ky-ease);
}
.ky-faq-item[open]::before{opacity:1}
.ky-faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 22px;position:relative;
  font-size:17px;font-weight:600;color:var(--ky-ink);
}
.ky-faq-item summary::-webkit-details-marker{display:none}
.ky-faq-item summary::after{
  content:"";position:absolute;right:22px;top:26px;width:10px;height:10px;
  border-right:2px solid var(--ky-primary);border-bottom:2px solid var(--ky-primary);
  transform:rotate(45deg);transition:transform .2s var(--ky-ease);
}
.ky-faq-item[open] summary::after{transform:rotate(-135deg);top:30px}
.ky-faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ky-ink-2)}

/* ---------- CTA 条 ---------- */
.ky-cta-bar{
  position:relative;overflow:hidden;margin:40px 0;
  border-radius:var(--ky-r-lg);border:1px solid var(--ky-line);background:var(--ky-surface);
  box-shadow:var(--ky-sh-1);
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
}
.ky-cta-bar::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:34%;
  background:var(--ky-grad);opacity:.14;
}
.ky-cta-copy{position:relative;padding:32px}
.ky-cta-copy h3{font-size:22px;font-weight:700;margin-bottom:10px}
.ky-cta-copy p{font-size:15px;color:var(--ky-ink-2);line-height:1.85;margin:0;max-width:34em}
.ky-cta-side{position:relative;display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:32px}
@media (max-width:767.98px){
  .ky-cta-bar{grid-template-columns:1fr}
  .ky-cta-side{justify-content:flex-start;padding-top:0}
}

/* ---------- 方案横向大卡 ---------- */
.ky-plan-card{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:0;
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r-lg);
  overflow:hidden;box-shadow:var(--ky-sh-1);margin-top:12px;
}
.ky-plan-card img{width:100%;height:100%;min-height:260px;object-fit:cover}
.ky-plan-body{padding:30px}
.ky-plan-body h3{font-size:22px;font-weight:700;margin-bottom:12px}
.ky-plan-body p{font-size:15px;line-height:1.85;color:var(--ky-ink-2)}
.ky-plan-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px;margin:18px 0 22px}
.ky-plan-list li{position:relative;padding-left:16px;font-size:14px;color:var(--ky-ink-2);line-height:1.8}
.ky-plan-list li::before{
  content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:2px;background:var(--ky-primary);
}
@media (max-width:767.98px){
  .ky-plan-card{grid-template-columns:1fr}
  .ky-plan-card img{min-height:180px}
}

/* ---------- 表单 / 联系 ---------- */
.ky-contact{
  margin:56px 0 64px;border-radius:var(--ky-r-lg);overflow:hidden;
  border:1px solid var(--ky-line);background:var(--ky-surface);box-shadow:var(--ky-sh-1);
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
}
.ky-contact-side{position:relative;padding:34px;background:var(--ky-bg-2)}
.ky-contact-side h3{font-size:22px;font-weight:700;margin-bottom:12px}
.ky-contact-side p{font-size:14px;line-height:1.85;color:var(--ky-ink-2)}
.ky-contact-list{margin-top:18px;display:grid;gap:10px}
.ky-contact-list li{font-size:14px;color:var(--ky-ink-2);display:flex;gap:10px;align-items:flex-start}
.ky-contact-list svg{width:17px;height:17px;color:var(--ky-primary);flex:0 0 auto;margin-top:4px}
.ky-form{padding:34px}
.ky-field{margin-bottom:16px}
.ky-field label{display:block;font-size:13px;font-weight:600;color:var(--ky-ink);margin-bottom:8px}
.ky-input{
  width:100%;border-radius:var(--ky-r-sm);border:1px solid var(--ky-line);background:var(--ky-bg);
  padding:14px 16px;font-size:15px;outline:none;transition:border-color .18s var(--ky-ease),box-shadow .18s var(--ky-ease);
}
.ky-input::placeholder{color:var(--ky-ink-3)}
.ky-input:focus{border-color:var(--ky-primary);box-shadow:0 0 0 3px var(--ky-ring);background:#fff}
textarea.ky-input{min-height:118px;resize:vertical}
.ky-form-tip{font-size:13px;color:var(--ky-ink-3);margin-top:12px}
@media (max-width:767.98px){
  .ky-contact{grid-template-columns:1fr}
}

/* ---------- 页脚 ---------- */
.ky-footer{background:#0A2A26;color:#C9DED9;padding:64px 0 28px;margin-top:24px}
.ky-footer .ky-logo-text{color:#fff}
.ky-footer-brandtext{font-size:14px;line-height:1.9;color:#9FBDB6;margin:16px 0 18px;max-width:34em}
.ky-footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px}
.ky-footer-links{display:grid;gap:10px}
.ky-footer-links a{color:#C9DED9;font-size:14px;transition:color .18s var(--ky-ease),transform .18s var(--ky-ease);display:inline-block}
.ky-footer-links a:hover{color:var(--ky-accent);transform:translateX(2px)}
.ky-footer-contact{display:grid;gap:10px;font-size:14px;color:#C9DED9}
.ky-footer-contact a{color:var(--ky-accent)}
.ky-footer-social{display:flex;gap:10px}
.ky-footer-social a{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(201,222,217,.24);
  display:inline-flex;align-items:center;justify-content:center;color:#C9DED9;
  transition:all .18s var(--ky-ease);
}
.ky-footer-social a:hover{color:#fff;border-color:var(--ky-accent);background:rgba(255,122,69,.16)}
.ky-footer-social svg{width:18px;height:18px}
.ky-footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(201,222,217,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8FB0A9;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .ky-nav-wrap{gap:16px}
  .ky-search{min-width:180px}
}
@media (max-width:991.98px){
  .ky-nav-wrap{height:60px;gap:12px}
  .ky-nav{
    position:fixed;left:0;right:0;top:60px;
    background:#fff;border-bottom:1px solid var(--ky-line);
    flex-direction:column;align-items:stretch;gap:4px;padding:16px 16px 22px;
    box-shadow:var(--ky-sh-1);
    transform:translateY(-10px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .2s var(--ky-ease),transform .2s var(--ky-ease),visibility .2s;
    max-height:calc(100vh - 60px);overflow-y:auto;
  }
  .ky-nav.ky-nav-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
  .ky-nav-link{padding:14px 12px;font-size:16px;border-radius:12px}
  .ky-nav-link::after{display:none}
  .ky-nav-link.active{background:var(--ky-primary-l)}
  .ky-search{display:none}
  .ky-burger{display:inline-flex}
  .ky-cta-mobile{display:inline-flex;width:100%;margin-top:8px}
  .ky-search-mobile{
    display:flex;align-items:center;gap:8px;margin-top:8px;
    background:#F2F7F5;border:1px solid var(--ky-line);border-radius:var(--ky-r-sm);padding:12px 14px;
  }
  .ky-search-mobile svg{width:17px;height:17px;color:var(--ky-ink-3)}
  .ky-search-mobile input{flex:1 1 auto;min-width:0;border:0;background:transparent;font-size:15px;outline:none}
  .ky-hero{padding:36px 0 48px}
  .ky-hero-grid{grid-template-columns:1fr;gap:28px}
  .ky-layout{grid-template-columns:1fr;gap:0}
  .ky-side{position:static;margin-bottom:8px}
  .ky-section{padding:40px 0}
  .ky-points{grid-template-columns:1fr}
  .ky-plan-list{grid-template-columns:1fr}
  .ky-footer{padding:48px 0 24px}
  .ky-cta-copy,.ky-cta-side,.ky-form,.ky-contact-side{padding:24px}
}
@media (max-width:575.98px){
  .ky-hero h1{font-size:31px}
  .ky-btn{width:100%}
  .ky-hero-actions{flex-direction:column}
  .ky-badge{padding:14px 16px}
  .ky-metric{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category3 */
:root{
  --ky-primary:#0F7B6C;
  --ky-primary-d:#0A5F53;
  --ky-primary-l:#E4F3EF;
  --ky-accent:#FF7A45;
  --ky-accent-l:#FFE9DF;
  --ky-grad:linear-gradient(118deg,#0F7B6C 0%,#2FB6A0 58%,#7FD8C4 100%);
  --ky-grad-cta:linear-gradient(118deg,#FF7A45 0%,#FFA53D 100%);
  --ky-bg:#F6F9F8;
  --ky-bg-2:#EFF5F3;
  --ky-surface:#FFFFFF;
  --ky-ink:#16221F;
  --ky-ink-2:#4C5B57;
  --ky-ink-3:#7C8B87;
  --ky-line:#E3EAE7;
  --ky-ring:rgba(15,123,108,.35);
  --ky-r-s:12px;
  --ky-r:20px;
  --ky-r-l:28px;
  --ky-sh-1:0 1px 2px rgba(16,34,30,.05),0 10px 24px -14px rgba(16,34,30,.18);
  --ky-sh-2:0 2px 4px rgba(16,34,30,.06),0 20px 40px -18px rgba(16,34,30,.24);
  --bs-primary:#0F7B6C;
  --bs-body-bg:#F6F9F8;
  --bs-body-color:#16221F;
  --bs-link-color:#0F7B6C;
  --bs-link-hover-color:#0A5F53;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.9;
  color:var(--ky-ink);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ky-primary);text-decoration:none;transition:color .18s cubic-bezier(.2,.7,.3,1)}
a:hover{color:var(--ky-primary-d)}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ky-ink)}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px}
.ky-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.ky-section{padding:96px 0}
.ky-section--tight{padding:72px 0}
.ky-section--alt{background:var(--ky-bg-2)}
[id]{scroll-margin-top:96px}

/* ============ header ============ */
.ky-header{position:sticky;top:0;z-index:1050;background:rgba(246,249,248,.9);border-bottom:1px solid transparent;transition:background .2s ease,box-shadow .2s ease,border-color .2s ease}
.ky-header.is-stuck{background:rgba(255,255,255,.98);border-bottom-color:var(--ky-line);box-shadow:var(--ky-sh-1);backdrop-filter:blur(8px)}
.ky-nav-wrap{display:flex;align-items:center;gap:22px;height:72px}
.ky-logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ky-ink);letter-spacing:-.02em}
.ky-logo:hover{color:var(--ky-ink)}
.ky-logo-mark{position:relative;display:block;width:26px;height:26px;flex:0 0 26px}
.ky-logo-mark i{position:absolute;display:block;width:16px;height:16px;border-radius:6px}
.ky-logo-mark i:first-child{left:0;top:0;background-image:var(--ky-grad)}
.ky-logo-mark i:last-child{right:0;bottom:0;background-image:var(--ky-grad-cta)}
.ky-nav{display:flex;align-items:center;gap:24px;margin-left:6px}
.ky-nav-link{position:relative;padding:6px 0;font-size:15px;font-weight:600;color:var(--ky-ink);white-space:nowrap}
.ky-nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background-image:var(--ky-grad);transform:scaleX(0);transform-origin:left;transition:transform .2s cubic-bezier(.2,.7,.3,1)}
.ky-nav-link:hover,.ky-nav-link:focus-visible{color:var(--ky-primary)}
.ky-nav-link:hover::after{transform:scaleX(1)}
.ky-nav-link.active{color:var(--ky-primary)}
.ky-nav-link.active::after{transform:scaleX(1)}
.ky-nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.ky-search{display:flex;align-items:center;gap:8px;min-width:258px;padding:8px 10px;background:#F2F7F5;border:1px solid var(--ky-line);border-radius:12px;transition:border-color .18s,box-shadow .18s}
.ky-search svg{width:16px;height:16px;flex:0 0 16px;color:var(--ky-ink-3)}
.ky-search input{flex:1 1 auto;width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--ky-ink)}
.ky-search input::placeholder{color:var(--ky-ink-3)}
.ky-search kbd{font-family:inherit;font-size:11px;color:var(--ky-ink-3);background:#fff;border:1px solid var(--ky-line);border-radius:6px;padding:2px 6px;white-space:nowrap}
.ky-search:focus-within{border-color:var(--ky-primary);box-shadow:0 0 0 3px var(--ky-ring)}
.ky-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,background-position .25s,background-color .18s,color .18s,border-color .18s}
.ky-btn:active{transform:translateY(1px)}
.ky-btn-primary{color:#fff;background-image:var(--ky-grad-cta);background-size:170% 100%;background-position:0 0;box-shadow:0 12px 24px -14px rgba(255,122,69,.9)}
.ky-btn-primary:hover,.ky-btn-primary:focus-visible{color:#fff;background-position:100% 0;box-shadow:var(--ky-sh-2)}
.ky-btn-ghost{color:var(--ky-ink);background:#fff;border-color:var(--ky-line)}
.ky-btn-ghost:hover,.ky-btn-ghost:focus-visible{color:var(--ky-primary-d);background:var(--ky-primary-l);border-color:#CDE6E0}
.ky-btn-light{color:var(--ky-primary-d);background:#fff;border-color:#fff}
.ky-btn-light:hover,.ky-btn-light:focus-visible{color:var(--ky-primary-d);background:#F3FBF9;box-shadow:var(--ky-sh-2)}
.ky-btn-sm{padding:10px 20px;font-size:14px}
.ky-burger{display:none;width:44px;height:44px;padding:0;background:#fff;border:1px solid var(--ky-line);border-radius:12px;position:relative;cursor:pointer}
.ky-burger span,
.ky-burger span::before,
.ky-burger span::after{position:absolute;left:50%;width:18px;height:1.6px;margin-left:-9px;border-radius:2px;background:var(--ky-ink);transition:transform .2s,opacity .2s}
.ky-burger span{top:50%;margin-top:-1px}
.ky-burger span::before{content:"";left:0;margin-left:0;top:-6px}
.ky-burger span::after{content:"";left:0;margin-left:0;top:6px}
.ky-header.nav-open .ky-burger span{background:transparent}
.ky-header.nav-open .ky-burger span::before{transform:translateY(6px) rotate(45deg)}
.ky-header.nav-open .ky-burger span::after{transform:translateY(-6px) rotate(-45deg)}

/* ============ hero ============ */
.ky-page-hero{position:relative;overflow:hidden;background:var(--ky-surface);border-bottom:1px solid var(--ky-line);padding:52px 0 60px}
.ky-page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(720px 320px at 88% -18%,rgba(15,123,108,.14),transparent 62%);pointer-events:none}
.ky-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;align-items:center}
.ky-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ky-ink-3);margin-bottom:18px;flex-wrap:wrap}
.ky-crumb a{color:var(--ky-ink-2)}
.ky-crumb a:hover{color:var(--ky-primary)}
.ky-crumb span.now{color:var(--ky-ink-3)}
.ky-h1{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.22;letter-spacing:-.02em}
.ky-hero-lead{margin-top:18px;font-size:17px;line-height:1.9;color:var(--ky-ink-2);max-width:600px}
.ky-tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.ky-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--ky-primary-d);background:var(--ky-primary-l);border-radius:999px}
.ky-tag--accent{color:#A63F14;background:var(--ky-accent-l)}
.ky-hero-figure{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--ky-r-l);box-shadow:var(--ky-sh-1)}

/* ============ metrics ============ */
.ky-metrics{display:grid;grid-template-columns:1.05fr .95fr 1fr 1.1fr;background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r-l);box-shadow:var(--ky-sh-1);overflow:hidden}
.ky-metric{padding:26px 28px;border-right:1px solid var(--ky-line)}
.ky-metric:last-child{border-right:0}
.ky-metric .num{display:block;font-size:clamp(28px,3.4vw,38px);font-weight:800;line-height:1.1;color:var(--ky-primary);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.ky-metric .lab{display:block;margin-top:8px;font-size:14px;color:var(--ky-ink-2);line-height:1.7}

/* ============ generic section text ============ */
.ky-h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3}
.ky-h2::before{content:"";display:block;width:28px;height:3px;border-radius:2px;background-image:var(--ky-grad);margin-bottom:14px}
.ky-h3{font-size:20px;font-weight:600;line-height:1.45}
.ky-section-head{max-width:720px;margin-bottom:40px}
.ky-section-head p{margin-top:14px;color:var(--ky-ink-2);font-size:16px}
.ky-ink-2{color:var(--ky-ink-2)}

/* ============ docs layout ============ */
.ky-docs{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px;align-items:start}
.ky-anchor{position:sticky;top:96px;background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r);padding:22px;box-shadow:var(--ky-sh-1)}
.ky-anchor h3{font-size:16px;font-weight:700;margin-bottom:14px}
.ky-anchor-list{list-style:none;display:flex;flex-direction:column;gap:2px}
.ky-anchor-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;border-radius:12px;font-size:14px;font-weight:600;color:var(--ky-ink-2);transition:background .18s,color .18s,transform .18s}
.ky-anchor-list a span.k{font-size:12px;font-weight:600;color:var(--ky-ink-3);font-variant-numeric:tabular-nums}
.ky-anchor-list a:hover{background:var(--ky-primary-l);color:var(--ky-primary-d)}
.ky-anchor-list a.is-current{background:var(--ky-primary-l);color:var(--ky-primary-d)}
.ky-anchor-list a:hover span.k,.ky-anchor-list a.is-current span.k{color:var(--ky-primary)}
.ky-anchor-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--ky-line);font-size:13px;color:var(--ky-ink-3);line-height:1.75}
.ky-prob-stack{display:flex;flex-direction:column;gap:20px}
.ky-prob{background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r);padding:26px 28px;box-shadow:var(--ky-sh-1);transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s}
.ky-prob:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-2)}
.ky-prob-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}
.ky-prob p{margin-top:12px;font-size:15px;color:var(--ky-ink-2)}
.ky-prob-list{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:9px;border-top:1px solid var(--ky-line);padding-top:16px}
.ky-prob-list li{position:relative;padding-left:18px;font-size:15px;line-height:1.8;color:var(--ky-ink-2)}
.ky-prob-list li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--ky-primary)}

/* ============ table ============ */
.ky-table-wrap{overflow-x:auto;background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r);box-shadow:var(--ky-sh-1)}
.ky-table{width:100%;min-width:540px;border-collapse:collapse}
.ky-table th{padding:15px 18px;text-align:left;font-size:14px;font-weight:700;color:var(--ky-primary-d);background:var(--ky-primary-l);border-bottom:1px solid var(--ky-line);white-space:nowrap}
.ky-table td{padding:15px 18px;font-size:15px;color:var(--ky-ink-2);border-bottom:1px solid var(--ky-line);line-height:1.75}
.ky-table tbody tr:nth-child(even){background:#FAFCFB}
.ky-table tbody tr:last-child td{border-bottom:0}
.ky-table td strong{color:var(--ky-ink);font-variant-numeric:tabular-nums}
.ky-figure-card{background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r);padding:16px;box-shadow:var(--ky-sh-1)}
.ky-figure-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px}
.ky-figure-card figcaption{margin-top:12px;font-size:13px;color:var(--ky-ink-3);line-height:1.7}

/* ============ steps ============ */
.ky-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.ky-step{position:relative;background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r);padding:26px 24px;box-shadow:var(--ky-sh-1);transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s}
.ky-step:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-2)}
.ky-step:not(:last-child)::after{content:"";position:absolute;top:43px;right:-20px;width:20px;height:1px;background:var(--ky-line)}
.ky-step-num{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background-image:var(--ky-grad);color:#fff;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums}
.ky-step h3{margin-top:16px;font-size:17px;font-weight:700}
.ky-step p{margin-top:10px;font-size:14px;color:var(--ky-ink-2);line-height:1.8}

/* ============ CTA bar ============ */
.ky-cta-bar{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding:38px 44px;border-radius:var(--ky-r-l);background-image:var(--ky-grad);box-shadow:var(--ky-sh-1)}
.ky-cta-bar::after{content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.14)}
.ky-cta-bar .txt{position:relative;z-index:1;max-width:640px;color:#fff}
.ky-cta-bar h2{color:#fff;font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.35}
.ky-cta-bar p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.9)}
.ky-cta-bar .act{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

/* ============ FAQ ============ */
.ky-faq{display:flex;flex-direction:column;gap:14px;max-width:940px}
.ky-faq-item{position:relative;background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r);overflow:hidden;transition:border-color .18s,box-shadow .18s}
.ky-faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;border-radius:3px;background-image:var(--ky-grad);opacity:0;transition:opacity .18s}
.ky-faq-item.is-open{border-color:#CDE6E0;box-shadow:var(--ky-sh-1)}
.ky-faq-item.is-open::before{opacity:1}
.ky-faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 24px;background:transparent;border:0;text-align:left;font-size:17px;font-weight:600;line-height:1.6;cursor:pointer}
.ky-faq-q i{flex:0 0 auto;width:22px;height:22px;position:relative}
.ky-faq-q i::before,
.ky-faq-q i::after{content:"";position:absolute;top:50%;left:50%;background:var(--ky-primary);border-radius:2px;transition:transform .2s}
.ky-faq-q i::before{width:12px;height:2px;transform:translate(-50%,-50%)}
.ky-faq-q i::after{width:2px;height:12px;transform:translate(-50%,-50%)}
.ky-faq-item.is-open .ky-faq-q i::after{transform:translate(-50%,-50%) rotate(90deg)}
.ky-faq-a{max-height:0;overflow:hidden;transition:max-height .28s cubic-bezier(.2,.7,.3,1)}
.ky-faq-a .inner{padding:0 24px 22px;font-size:15px;line-height:1.88;color:var(--ky-ink-2)}

/* ============ support ============ */
.ky-support{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:36px;align-items:start}
.ky-check-list{list-style:none;display:flex;flex-direction:column;gap:2px;margin-top:22px}
.ky-check-list li{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--ky-line);font-size:15px;line-height:1.85;color:var(--ky-ink-2)}
.ky-check-list li:first-child{border-top:1px solid var(--ky-line)}
.ky-check-list svg{flex:0 0 20px;width:20px;height:20px;margin-top:5px;color:var(--ky-primary)}
.ky-check-list b{display:block;color:var(--ky-ink);font-size:16px;font-weight:600;margin-bottom:4px}
.ky-side-card{background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r-l);padding:28px;box-shadow:var(--ky-sh-1)}
.ky-side-card h3{font-size:19px;font-weight:700}
.ky-side-card p{margin-top:12px;font-size:15px;color:var(--ky-ink-2)}
.ky-side-list{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:10px}
.ky-side-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--ky-ink-2);padding-bottom:10px;border-bottom:1px dashed var(--ky-line)}
.ky-side-list li:last-child{border-bottom:0;padding-bottom:0}
.ky-side-list b{color:var(--ky-ink);font-weight:600;font-variant-numeric:tabular-nums}
.ky-side-card .ky-btn{width:100%;margin-top:22px}

/* ============ footer ============ */
.ky-footer{margin-top:0;padding:72px 0 28px;background:#0A2A26;color:#C9DED9}
.ky-footer .ky-logo{color:#fff;font-size:18px}
.ky-footer-brandtext{margin-top:18px;font-size:14px;line-height:1.85;color:#9FBFB9;max-width:360px}
.ky-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.ky-footer-links{display:flex;flex-direction:column;gap:11px}
.ky-footer-links a{font-size:14px;color:#C9DED9;transition:color .18s,transform .18s}
.ky-footer-links a:hover{color:var(--ky-accent);transform:translateX(2px)}
.ky-footer-contact{list-style:none;display:flex;flex-direction:column;gap:11px;font-size:14px;color:#9FBFB9}
.ky-footer-contact a{color:var(--ky-accent)}
.ky-footer-social{display:flex;gap:10px;margin-top:20px}
.ky-footer-social a{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid rgba(201,222,217,.28);border-radius:12px;color:#C9DED9;transition:background .18s,color .18s,border-color .18s}
.ky-footer-social a:hover{background:rgba(255,122,69,.16);border-color:rgba(255,122,69,.5);color:var(--ky-accent)}
.ky-footer-social svg{width:18px;height:18px}
.ky-footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:52px;padding-top:22px;border-top:1px solid rgba(201,222,217,.16);font-size:13px;color:#8FB0AA}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .ky-container{max-width:100%}
  .ky-docs{gap:32px}
  .ky-search{min-width:210px}
}
@media (max-width:991.98px){
  .ky-section{padding:64px 0}
  .ky-section--tight{padding:52px 0}
  .ky-nav-wrap{position:relative;height:60px;flex-wrap:wrap;align-items:center}
  .ky-logo{font-size:17px}
  .ky-nav{display:none;order:2;width:100%;flex-direction:column;align-items:stretch;gap:0;margin:8px 0 0;border-top:1px solid var(--ky-line)}
  .ky-nav-link{padding:14px 2px;font-size:16px;border-bottom:1px solid var(--ky-line)}
  .ky-nav-link::after{display:none}
  .ky-nav-right{order:3;margin-left:auto;gap:10px}
  .ky-nav-right .ky-search,.ky-nav-right > .ky-btn{display:none}
  .ky-burger{display:inline-flex;position:absolute;top:8px;right:24px}
  .ky-header.nav-open{background:#fff}
  .ky-header.nav-open .ky-nav{display:flex}
  .ky-header.nav-open .ky-nav-right{width:100%;flex-direction:column;align-items:stretch;gap:12px;margin:4px 0 20px;padding-top:4px}
  .ky-header.nav-open .ky-nav-right .ky-search{display:flex;width:100%;min-width:0}
  .ky-header.nav-open .ky-nav-right > .ky-btn{display:inline-flex;width:100%}
  .ky-hero-grid{grid-template-columns:1fr;gap:28px}
  .ky-hero-figure{aspect-ratio:16/9;order:-1}
  .ky-page-hero{padding:36px 0 44px}
  .ky-metrics{grid-template-columns:1fr 1fr}
  .ky-metric:nth-child(2){border-right:0}
  .ky-metric:nth-child(1),.ky-metric:nth-child(2){border-bottom:1px solid var(--ky-line)}
  .ky-docs{grid-template-columns:1fr}
  .ky-anchor{position:static}
  .ky-steps{grid-template-columns:1fr 1fr}
  .ky-step:not(:last-child)::after{display:none}
  .ky-support{grid-template-columns:1fr}
  .ky-cta-bar{padding:30px 28px}
}
@media (max-width:767.98px){
  .ky-section{padding:52px 0}
  .ky-container{padding:0 16px}
  .ky-burger{right:16px}
  .ky-metrics{grid-template-columns:1fr}
  .ky-metric{border-right:0;border-bottom:1px solid var(--ky-line)}
  .ky-metric:last-child{border-bottom:0}
  .ky-steps{grid-template-columns:1fr}
  .ky-prob{padding:22px 20px}
  .ky-side-card{padding:22px 20px}
  .ky-cta-bar .act{width:100%}
  .ky-cta-bar .act .ky-btn{width:100%}
  .ky-footer{padding:56px 0 24px}
  .ky-faq-q{padding:18px 20px;font-size:16px}
  .ky-faq-a .inner{padding:0 20px 20px}
}
@media (max-width:520px){
  .ky-h1{font-size:26px}
  .ky-hero-lead{font-size:15px}
  .ky-metric{padding:20px}
  .ky-anchor{padding:18px}
  .ky-btn{padding:13px 22px}
  .ky-footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --ky-primary:#0F7B6C;
  --ky-primary-d:#0A5F53;
  --ky-primary-l:#E4F3EF;
  --ky-accent:#FF7A45;
  --ky-accent-l:#FFE9DF;
  --ky-grad:linear-gradient(118deg,#0F7B6C 0%,#2FB6A0 58%,#7FD8C4 100%);
  --ky-grad-cta:linear-gradient(118deg,#FF7A45 0%,#FFA53D 100%);
  --ky-bg:#F6F9F8;
  --ky-bg-2:#EFF5F3;
  --ky-surface:#FFFFFF;
  --ky-ink:#16221F;
  --ky-ink-2:#4C5B57;
  --ky-ink-3:#7C8B87;
  --ky-line:#E3EAE7;
  --ky-ring:rgba(15,123,108,.35);
  --ky-deep:#0A2A26;
  --ky-sh-1:0 1px 2px rgba(16,34,30,.05),0 10px 24px -14px rgba(16,34,30,.18);
  --ky-sh-2:0 2px 4px rgba(16,34,30,.06),0 20px 40px -18px rgba(16,34,30,.24);
  --ky-r-sm:12px;
  --ky-r-md:20px;
  --ky-r-lg:28px;
  --ky-pill:999px;

  --bs-primary:#0F7B6C;
  --bs-body-bg:#F6F9F8;
  --bs-body-color:#16221F;
  --bs-link-color:#0F7B6C;
  --bs-link-hover-color:#0A5F53;
  --bs-border-radius:20px;
  --bs-border-color:#E3EAE7;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ky-ink);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--ky-primary);}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

.ky-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.ky-container{max-width:1320px;}}

/* ---------- header ---------- */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,249,248,.92);
  transition:background .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s cubic-bezier(.2,.7,.3,1);
}
.ky-header.is-scrolled{
  background:rgba(255,255,255,.98);
  box-shadow:var(--ky-sh-1);
  backdrop-filter:blur(8px);
}
.ky-nav-wrap{display:flex;align-items:center;gap:26px;height:72px;}
.ky-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.ky-logo-mark{position:relative;width:26px;height:26px;display:inline-block;}
.ky-logo-mark i{position:absolute;width:17px;height:17px;border-radius:6px;display:block;}
.ky-logo-mark i:first-child{left:0;top:0;background:var(--ky-grad);}
.ky-logo-mark i:last-child{right:0;bottom:0;background:var(--ky-grad-cta);opacity:.92;}
.ky-logo-text{font-size:19px;font-weight:800;letter-spacing:-0.02em;color:var(--ky-ink);}
.ky-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.ky-nav-link{
  position:relative;
  padding:10px 12px;
  font-size:15px;font-weight:600;color:var(--ky-ink);
  border-radius:var(--ky-r-sm);
  transition:color .18s cubic-bezier(.2,.7,.3,1);
  white-space:nowrap;
}
.ky-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--ky-grad);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s cubic-bezier(.2,.7,.3,1);
}
.ky-nav-link:hover{color:var(--ky-primary);}
.ky-nav-link:hover::after{transform:scaleX(1);}
.ky-nav-link.active{color:var(--ky-primary);}
.ky-nav-link.active::after{transform:scaleX(1);}
.ky-nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.ky-search{
  display:flex;align-items:center;gap:8px;
  background:#F2F7F5;border:1px solid var(--ky-line);
  border-radius:var(--ky-r-sm);
  padding:8px 12px;min-width:250px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.ky-search:focus-within{border-color:var(--ky-primary);box-shadow:0 0 0 3px var(--ky-ring);}
.ky-search svg{width:17px;height:17px;color:var(--ky-ink-3);flex:0 0 auto;}
.ky-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--ky-ink);
}
.ky-search input::placeholder{color:var(--ky-ink-3);}
.ky-search kbd{
  font-size:11px;font-family:inherit;color:var(--ky-ink-3);
  border:1px solid var(--ky-line);border-radius:6px;
  padding:1px 6px;background:#fff;white-space:nowrap;
}
.ky-burger{
  display:none;width:44px;height:44px;border:1px solid var(--ky-line);
  background:#fff;border-radius:var(--ky-r-sm);position:relative;cursor:pointer;
  transition:border-color .18s ease;
}
.ky-burger span,
.ky-burger span::before,
.ky-burger span::after{
  content:"";position:absolute;left:50%;width:17px;height:2px;border-radius:2px;
  background:var(--ky-ink);transform:translateX(-50%);
  transition:transform .2s cubic-bezier(.2,.7,.3,1),opacity .2s ease;
}
.ky-burger span{top:50%;margin-top:-1px;}
.ky-burger span::before{top:-6px;}
.ky-burger span::after{top:6px;}
.ky-burger.is-open span{background:transparent;}
.ky-burger.is-open span::before{transform:translateX(-50%) rotate(45deg);top:0;}
.ky-burger.is-open span::after{transform:translateX(-50%) rotate(-45deg);top:0;}
.ky-nav-mobile-only{display:none;}

/* ---------- buttons ---------- */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 28px;border-radius:var(--ky-pill);
  border:1px solid transparent;cursor:pointer;
  transition:background-position .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s ease,
             transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  background-size:180% 100%;background-position:0 0;
  white-space:nowrap;
}
.ky-btn-primary{
  background-image:var(--ky-grad-cta);color:#fff;
  box-shadow:0 8px 20px -12px rgba(255,122,69,.9);
}
.ky-btn-primary:hover{background-position:100% 0;color:#fff;box-shadow:0 14px 28px -14px rgba(255,122,69,.95);}
.ky-btn-primary:active{transform:translateY(1px);box-shadow:0 8px 20px -12px rgba(255,122,69,.9);}
.ky-btn-ghost{
  background:#fff;color:var(--ky-ink);border-color:var(--ky-line);
}
.ky-btn-ghost:hover{background:var(--ky-primary-l);color:var(--ky-primary);border-color:var(--ky-primary-l);}
.ky-btn-ghost:active{transform:translateY(1px);}
.ky-btn-sm{padding:11px 20px;font-size:14px;}
.ky-btn-block{width:100%;}

.ky-text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ky-primary);
}
.ky-text-link svg{width:15px;height:15px;transition:transform .18s cubic-bezier(.2,.7,.3,1);}
.ky-text-link:hover svg{transform:translateX(3px);}

/* ---------- section basics ---------- */
.ky-section{padding:96px 0;}
.ky-section-sm{padding:64px 0;}
.ky-section-alt{background:var(--ky-bg-2);}
.ky-sec-head{max-width:760px;margin-bottom:40px;}
.ky-sec-head.ky-center{margin-left:auto;margin-right:auto;text-align:center;}
.ky-sec-head.ky-center .ky-sec-title::before{margin-left:auto;margin-right:auto;}
.ky-sec-title{position:relative;font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;}
.ky-sec-title::before{
  content:"";display:block;width:28px;height:3px;border-radius:2px;
  background:var(--ky-grad);margin-bottom:16px;
}
.ky-sec-sub{margin-top:14px;font-size:16px;line-height:1.9;color:var(--ky-ink-2);}
.ky-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--ky-primary);background:var(--ky-primary-l);
  border-radius:var(--ky-pill);padding:6px 14px;
}

/* ---------- breadcrumb ---------- */
.ky-crumb{font-size:13px;color:var(--ky-ink-3);margin-bottom:18px;}
.ky-crumb a{color:var(--ky-ink-2);}
.ky-crumb a:hover{color:var(--ky-primary);}
.ky-crumb span.sep{margin:0 8px;color:var(--ky-ink-3);}
.ky-crumb span.now{color:var(--ky-ink-3);}

/* ---------- category hero ---------- */
.ky-hero-cat{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:var(--ky-bg);
}
.ky-hero-cat::before{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;
  background:radial-gradient(circle at center,rgba(15,123,108,.14),rgba(15,123,108,0) 68%);
  pointer-events:none;
}
.ky-hero-cat h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.2;letter-spacing:-0.02em;
  margin-bottom:16px;
}
.ky-hero-lead{font-size:18px;font-weight:600;color:var(--ky-primary-d);margin-bottom:14px;}
.ky-hero-text{max-width:640px;font-size:16px;color:var(--ky-ink-2);}
.ky-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.ky-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.ky-tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--ky-primary);background:var(--ky-primary-l);
  border-radius:var(--ky-pill);padding:6px 14px;
}
.ky-tag-accent{color:#C0441B;background:var(--ky-accent-l);}
.ky-hero-media{position:relative;}
.ky-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--ky-r-lg);
  box-shadow:var(--ky-sh-1);
}
.ky-hero-badge{
  position:absolute;right:-8px;bottom:-18px;
  background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r-md);
  padding:16px 20px;box-shadow:var(--ky-sh-2);min-width:190px;
}
.ky-hero-badge strong{
  display:block;font-size:30px;font-weight:800;line-height:1.1;color:var(--ky-primary);
  font-variant-numeric:tabular-nums;
}
.ky-hero-badge span{display:block;margin-top:6px;font-size:13px;color:var(--ky-ink-3);}

/* ---------- stats band ---------- */
.ky-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-r-lg);
  box-shadow:var(--ky-sh-1);overflow:hidden;
}
.ky-stat{
  padding:28px 26px;border-top:1px solid var(--ky-line);
  border-right:1px solid var(--ky-line);
}
.ky-stat:last-child{border-right:0;}
.ky-stat strong{
  display:block;font-size:clamp(28px,3.6vw,40px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--ky-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.ky-stat span{display:block;margin-top:10px;font-size:14px;color:var(--ky-ink-2);}

/* ---------- case wall ---------- */
.ky-case{
  background:var(--ky-surface);border:1px solid var(--ky-line);
  border-radius:var(--ky-r-lg);overflow:hidden;
  box-shadow:var(--ky-sh-1);height:100%;
  display:flex;flex-direction:column;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s cubic-bezier(.2,.7,.3,1);
}
.ky-case:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-2);}
.ky-case-media{position:relative;overflow:hidden;}
.ky-case-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.ky-case-media .ky-case-cat{
  position:absolute;left:16px;top:16px;
  background:rgba(255,255,255,.94);color:var(--ky-primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  border-radius:var(--ky-pill);padding:5px 12px;
}
.ky-case-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1 1 auto;}
.ky-case-body h3{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:12px;}
.ky-case-body p{font-size:15px;line-height:1.85;color:var(--ky-ink-2);}
.ky-case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.ky-case-foot{margin-top:auto;padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.ky-case-meta{font-size:13px;color:var(--ky-ink-3);font-variant-numeric:tabular-nums;}

/* ---------- steps ---------- */
.ky-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.ky-step{
  position:relative;background:var(--ky-surface);
  border:1px solid var(--ky-line);border-radius:var(--ky-r-md);
  padding:26px 24px;box-shadow:var(--ky-sh-1);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s cubic-bezier(.2,.7,.3,1);
}
.ky-step:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-2);}
.ky-step::after{
  content:"";position:absolute;right:-16px;top:50%;width:12px;height:1px;
  background:var(--ky-line);
}
.ky-step:last-child::after{display:none;}
.ky-step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--ky-grad);color:#fff;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.ky-step h3{margin:16px 0 8px;font-size:18px;font-weight:700;}
.ky-step p{font-size:14px;line-height:1.8;color:var(--ky-ink-2);}

/* ---------- hud compare ---------- */
.ky-hud{
  background:var(--ky-deep);color:#C9DED9;
  border-radius:var(--ky-r-lg);padding:40px 36px;
  box-shadow:var(--ky-sh-1);
}
.ky-hud h2{color:#fff;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;}
.ky-hud h2::before{
  content:"";display:block;width:28px;height:3px;border-radius:2px;
  background:var(--ky-grad);margin-bottom:16px;
}
.ky-hud .ky-hud-note{margin-top:12px;font-size:14px;line-height:1.8;color:#9DBAB4;}
.ky-hud-row{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:12px;align-items:center;
  padding:16px 0;border-top:1px solid rgba(201,222,217,.16);
}
.ky-hud-row:first-of-type{border-top:0;}
.ky-hud-row dt{font-size:14px;color:#9DBAB4;font-weight:400;}
.ky-hud-row dd{margin:0;font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;}
.ky-hud-row dd.before{color:#8FA7A2;}
.ky-hud-row dd.after{color:#7FD8C4;}
.ky-hud-head{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:12px;padding-bottom:10px;margin-top:28px;}
.ky-hud-head span{font-size:13px;font-weight:600;letter-spacing:.02em;color:#7FD8C4;}

/* ---------- mid cta band ---------- */
.ky-band{
  background:linear-gradient(118deg,rgba(15,123,108,.08) 0%,rgba(127,216,196,.16) 100%);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-lg);
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.ky-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;}
.ky-band p{margin-top:10px;font-size:15px;color:var(--ky-ink-2);max-width:640px;}

/* ---------- faq ---------- */
.ky-faq .accordion-item{
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-md);
  margin-bottom:14px;overflow:hidden;
}
.ky-faq .accordion-button{
  position:relative;
  font-size:17px;font-weight:600;color:var(--ky-ink);
  background:var(--ky-surface);
  padding:20px 24px;box-shadow:none;border-radius:var(--ky-r-md);
}
.ky-faq .accordion-button:not(.collapsed){color:var(--ky-primary);background:var(--ky-surface);}
.ky-faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--ky-grad);
}
.ky-faq .accordion-button:focus{box-shadow:0 0 0 3px var(--ky-ring);z-index:2;}
.ky-faq .accordion-button::after{
  width:16px;height:16px;background-size:16px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%237C8B87' stroke-width='1.6' stroke-linecap='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
}
.ky-faq .accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230F7B6C' stroke-width='1.6' stroke-linecap='round'%3E%3Cpath d='M4 10l4-4 4 4'/%3E%3C/svg%3E");
}
.ky-faq .accordion-body{
  padding:0 24px 22px 24px;font-size:15px;line-height:1.85;color:var(--ky-ink-2);
}

/* ---------- contact ---------- */
.ky-contact{
  background:var(--ky-surface);border:1px solid var(--ky-line);
  border-radius:var(--ky-r-lg);overflow:hidden;box-shadow:var(--ky-sh-1);
}
.ky-contact-aside{
  background:var(--ky-grad);color:#fff;padding:44px 36px;height:100%;
  display:flex;flex-direction:column;justify-content:center;
}
.ky-contact-aside h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;color:#fff;}
.ky-contact-aside p{margin-top:16px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.9);}
.ky-contact-aside ul{margin-top:24px;display:grid;gap:10px;}
.ky-contact-aside li{font-size:14px;display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.94);}
.ky-contact-aside li::before{
  content:"";width:6px;height:6px;border-radius:2px;background:#fff;flex:0 0 auto;
}
.ky-contact-form{padding:40px 36px;}
.ky-field{margin-bottom:18px;}
.ky-field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.ky-field input,
.ky-field textarea{
  width:100%;padding:14px 16px;
  background:var(--ky-bg);border:1px solid var(--ky-line);
  border-radius:var(--ky-r-sm);outline:none;
  font-size:15px;line-height:1.6;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.ky-field input::placeholder,
.ky-field textarea::placeholder{color:var(--ky-ink-3);}
.ky-field input:focus,
.ky-field textarea:focus{border-color:var(--ky-primary);box-shadow:0 0 0 3px var(--ky-ring);}
.ky-field textarea{min-height:118px;resize:vertical;}
.ky-form-note{margin-top:14px;font-size:13px;color:var(--ky-ink-3);}
.ky-form-msg{
  margin-top:14px;font-size:14px;font-weight:600;color:var(--ky-primary);
  display:none;
}
.ky-form-msg.show{display:block;}

/* ---------- footer ---------- */
.ky-footer{background:var(--ky-deep);color:#C9DED9;padding:76px 0 0;margin-top:96px;}
.ky-footer .ky-logo-text{color:#fff;}
.ky-footer-brandtext{margin-top:18px;font-size:14px;line-height:1.85;color:#9DBAB4;max-width:340px;}
.ky-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.ky-footer-links{display:grid;gap:12px;}
.ky-footer-links a{
  font-size:14px;color:#C9DED9;
  transition:color .18s ease,transform .18s ease;
  display:inline-block;
}
.ky-footer-links a:hover{color:var(--ky-accent);transform:translateX(2px);}
.ky-footer-contact{display:grid;gap:12px;font-size:14px;color:#9DBAB4;}
.ky-footer-contact a{color:#C9DED9;}
.ky-footer-contact a:hover{color:var(--ky-accent);}
.ky-footer-social{display:flex;gap:10px;margin-top:22px;}
.ky-footer-social a{
  width:40px;height:40px;border-radius:12px;
  border:1px solid rgba(201,222,217,.24);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.ky-footer-social a svg{width:18px;height:18px;color:#C9DED9;}
.ky-footer-social a:hover{background:rgba(255,122,69,.16);border-color:rgba(255,122,69,.5);}
.ky-footer-social a:hover svg{color:var(--ky-accent);}
.ky-footer-bottom{
  margin-top:56px;padding:24px 0;
  border-top:1px solid rgba(201,222,217,.16);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8FA7A2;
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .ky-search{min-width:200px;}
  .ky-nav-link{padding:10px 9px;font-size:14px;}
}
@media (max-width:991.98px){
  .ky-nav-wrap{height:60px;gap:14px;}
  .ky-nav{
    display:none;
    position:absolute;left:0;right:0;top:60px;
    background:#fff;border-top:1px solid var(--ky-line);
    box-shadow:var(--ky-sh-2);
    padding:16px 24px 26px;
    flex-direction:column;align-items:stretch;gap:2px;
    max-height:calc(100vh - 60px);overflow-y:auto;
  }
  .ky-nav.open{display:flex;}
  .ky-nav-link{padding:14px 6px;font-size:16px;border-bottom:1px solid var(--ky-line);border-radius:0;}
  .ky-nav-link::after{display:none;}
  .ky-nav-link.active{color:var(--ky-primary);}
  .ky-nav-mobile-only{display:block;margin-top:18px;}
  .ky-nav-mobile-only .ky-search{min-width:0;width:100%;margin-bottom:14px;}
  .ky-nav-right .ky-search{display:none;}
  .ky-nav-right .ky-btn{display:none;}
  .ky-burger{display:inline-flex;align-items:center;justify-content:center;}
  .ky-section{padding:56px 0;}
  .ky-section-sm{padding:44px 0;}
  .ky-hero-cat{padding:36px 0 52px;}
  .ky-hero-media{margin-top:34px;}
  .ky-hero-badge{right:12px;bottom:-14px;}
  .ky-stats{grid-template-columns:repeat(2,1fr);}
  .ky-stat{border-right:1px solid var(--ky-line);}
  .ky-stat:nth-child(2n){border-right:0;}
  .ky-steps{grid-template-columns:repeat(2,1fr);}
  .ky-step::after{display:none;}
  .ky-hud{padding:30px 24px;}
  .ky-contact-aside{padding:34px 24px;}
  .ky-contact-form{padding:30px 24px;}
  .ky-band{padding:28px 24px;}
  .ky-footer{padding-top:56px;}
}
@media (max-width:767.98px){
  .ky-container{padding:0 16px;}
  .ky-case-body{padding:20px 18px 22px;}
  .ky-case-body h3{font-size:18px;}
  .ky-hero-actions .ky-btn{width:100%;}
  .ky-hud-row{grid-template-columns:1.3fr 1fr 1fr;gap:8px;}
  .ky-hud-head{grid-template-columns:1.3fr 1fr 1fr;gap:8px;}
  .ky-hud-row dt{font-size:13px;}
  .ky-hud-row dd{font-size:15px;}
}
@media (max-width:575.98px){
  .ky-stats{grid-template-columns:1fr;}
  .ky-stat{border-right:0;}
  .ky-steps{grid-template-columns:1fr;}
  .ky-hero-badge{position:static;margin-top:16px;display:inline-block;}
  .ky-footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category4 */
:root{
  --ky-primary:#0F7B6C;
  --ky-primary-d:#0A5F53;
  --ky-primary-l:#E4F3EF;
  --ky-accent:#FF7A45;
  --ky-accent-l:#FFE9DF;
  --ky-grad:linear-gradient(118deg,#0F7B6C 0%,#2FB6A0 58%,#7FD8C4 100%);
  --ky-grad-cta:linear-gradient(118deg,#FF7A45 0%,#FFA53D 100%);
  --ky-bg:#F6F9F8;
  --ky-bg-2:#EFF5F3;
  --ky-surface:#FFFFFF;
  --ky-ink:#16221F;
  --ky-ink-2:#4C5B57;
  --ky-ink-3:#7C8B87;
  --ky-line:#E3EAE7;
  --ky-ring:rgba(15,123,108,.35);
  --ky-r-sm:12px;
  --ky-r-md:20px;
  --ky-r-lg:28px;
  --ky-sh-1:0 1px 2px rgba(16,34,30,.05),0 10px 24px -14px rgba(16,34,30,.18);
  --ky-sh-2:0 2px 4px rgba(16,34,30,.06),0 20px 40px -18px rgba(16,34,30,.24);
  --ky-ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:var(--ky-bg);
  --bs-body-color:var(--ky-ink);
  --bs-link-color:var(--ky-primary);
  --bs-link-hover-color:var(--ky-primary-d);
  --bs-border-radius:var(--ky-r-md);
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.9;
  color:var(--ky-ink);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ky-primary);text-decoration:none;transition:color .18s var(--ky-ease);}
a:hover{color:var(--ky-primary-d);}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ky-ink);letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
input,textarea,select,button{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;}

.ky-container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){.ky-container{max-width:1320px;}}

/* ---------- header ---------- */
.ky-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--ky-ease),border-color .22s var(--ky-ease),background .22s var(--ky-ease);
}
.ky-header.scrolled{
  box-shadow:var(--ky-sh-1);
  border-bottom-color:var(--ky-line);
  background:rgba(255,255,255,.98);
  backdrop-filter:blur(8px);
}
.ky-nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
}
.ky-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.ky-logo-mark{
  position:relative;
  width:30px;
  height:30px;
  display:inline-block;
  flex-shrink:0;
}
.ky-logo-mark i{
  position:absolute;
  width:18px;
  height:18px;
  border-radius:7px;
  display:block;
}
.ky-logo-mark i:first-child{
  top:0;left:0;
  background:var(--ky-grad);
}
.ky-logo-mark i:last-child{
  bottom:0;right:0;
  background:var(--ky-accent);
  opacity:.92;
}
.ky-logo-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ky-ink);
}
.ky-nav{
  display:flex;
  align-items:center;
  gap:26px;
  flex:1 1 auto;
  justify-content:center;
}
.ky-nav-link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--ky-ink);
  padding:6px 0;
  white-space:nowrap;
}
.ky-nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--ky-grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ky-ease);
}
.ky-nav-link:hover{color:var(--ky-primary);}
.ky-nav-link:hover::after{transform:scaleX(1);}
.ky-nav-link.active{color:var(--ky-primary);}
.ky-nav-link.active::after{transform:scaleX(1);}
.ky-nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.ky-search{
  display:flex;
  align-items:center;
  gap:8px;
  background:#F2F7F5;
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-sm);
  padding:0 10px;
  height:40px;
  min-width:230px;
  transition:border-color .18s var(--ky-ease),box-shadow .18s var(--ky-ease);
}
.ky-search:focus-within{
  border-color:var(--ky-primary);
  box-shadow:0 0 0 3px var(--ky-ring);
}
.ky-search svg{width:17px;height:17px;color:var(--ky-ink-3);flex-shrink:0;}
.ky-search input{
  border:0;
  background:transparent;
  outline:none;
  width:100%;
  font-size:14px;
  color:var(--ky-ink);
}
.ky-search input::placeholder{color:var(--ky-ink-3);}
.ky-search kbd{
  font-size:11px;
  font-family:inherit;
  color:var(--ky-ink-3);
  background:#fff;
  border:1px solid var(--ky-line);
  border-radius:6px;
  padding:2px 6px;
  white-space:nowrap;
}
.ky-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  padding:14px 28px;
  border-radius:999px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-position .2s var(--ky-ease),box-shadow .2s var(--ky-ease),transform .14s var(--ky-ease),background-color .2s var(--ky-ease),color .2s var(--ky-ease),border-color .2s var(--ky-ease);
  min-height:44px;
  text-align:center;
}
.ky-btn-primary{
  background-image:var(--ky-grad-cta);
  background-size:200% 100%;
  background-position:0 0;
  color:#fff;
  box-shadow:0 8px 18px -12px rgba(255,122,69,.9);
}
.ky-btn-primary:hover{
  background-position:100% 0;
  color:#fff;
  box-shadow:0 14px 26px -12px rgba(255,122,69,.85);
}
.ky-btn-primary:active{transform:translateY(1px);box-shadow:var(--ky-sh-1);}
.ky-btn-ghost{
  background:#fff;
  border-color:var(--ky-line);
  color:var(--ky-ink);
}
.ky-btn-ghost:hover{
  background:var(--ky-primary-l);
  border-color:var(--ky-primary-l);
  color:var(--ky-primary-d);
}
.ky-btn-ghost:active{transform:translateY(1px);}
.ky-btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}
.ky-burger{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-sm);
  background:#fff;
  position:relative;
  cursor:pointer;
}
.ky-burger span,
.ky-burger span::before,
.ky-burger span::after{
  content:"";
  position:absolute;
  left:12px;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--ky-ink);
  transition:transform .2s var(--ky-ease),opacity .2s var(--ky-ease);
}
.ky-burger span{top:21px;}
.ky-burger span::before{left:0;top:-6px;}
.ky-burger span::after{left:0;top:6px;}
.ky-burger.open span{background:transparent;}
.ky-burger.open span::before{transform:translateY(6px) rotate(45deg);}
.ky-burger.open span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- hero ---------- */
.ky-hero-compact{
  position:relative;
  padding:56px 0 48px;
  background:linear-gradient(180deg,#EFF5F3 0%,rgba(246,249,248,0) 92%);
  overflow:hidden;
}
.ky-hero-compact::before{
  content:"";
  position:absolute;
  top:-160px;
  right:-120px;
  width:520px;
  height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(47,182,160,.16) 0%,rgba(47,182,160,0) 68%);
  pointer-events:none;
}
.ky-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:40px;
  align-items:center;
  position:relative;
}
.ky-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ky-ink-3);
  margin-bottom:16px;
}
.ky-breadcrumb a{color:var(--ky-ink-3);}
.ky-breadcrumb a:hover{color:var(--ky-primary);}
.ky-breadcrumb .ky-sep{color:var(--ky-line);}
.ky-breadcrumb .ky-current{color:var(--ky-ink-2);}
.ky-hero-compact h1{
  font-size:clamp(26px,3.2vw,40px);
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.ky-hero-compact .ky-lead{
  font-size:17px;
  line-height:1.9;
  color:var(--ky-ink-2);
  max-width:44ch;
  margin-bottom:24px;
}
.ky-tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.ky-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--ky-primary-d);
  background:var(--ky-primary-l);
  border-radius:999px;
  padding:6px 14px;
}
.ky-tag.is-accent{
  background:var(--ky-accent-l);
  color:#B4471B;
}
.ky-hero-media{
  position:relative;
  border-radius:var(--ky-r-lg);
  overflow:hidden;
  box-shadow:var(--ky-sh-1);
  border:1px solid var(--ky-line);
}
.ky-hero-media img{
  width:100%;
  height:250px;
  object-fit:cover;
}
.ky-hero-badge{
  position:absolute;
  right:18px;
  bottom:18px;
  background:#fff;
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-md);
  padding:14px 18px;
  box-shadow:var(--ky-sh-1);
  max-width:190px;
}
.ky-hero-badge strong{
  display:block;
  font-size:26px;
  font-weight:800;
  line-height:1.1;
  color:var(--ky-primary);
  font-variant-numeric:tabular-nums;
}
.ky-hero-badge span{
  display:block;
  font-size:12.5px;
  color:var(--ky-ink-3);
  margin-top:4px;
  line-height:1.6;
}

/* ---------- sections ---------- */
.ky-section{padding:80px 0;}
.ky-section.is-tint{background:var(--ky-bg-2);}
.ky-section.is-plain{background:var(--ky-surface);}
.ky-sec-head{max-width:720px;margin-bottom:40px;}
.ky-sec-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.ky-eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--ky-primary);
  margin-bottom:12px;
}
.ky-sec-head h2{
  font-size:clamp(23px,2.8vw,32px);
  font-weight:700;
  line-height:1.32;
  position:relative;
  padding-top:18px;
}
.ky-sec-head h2::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:28px;
  height:3px;
  border-radius:3px;
  background:var(--ky-grad);
}
.ky-sec-head.is-center h2::before{left:50%;transform:translateX(-50%);}
.ky-sec-head p{
  margin-top:14px;
  color:var(--ky-ink-2);
  font-size:16px;
  line-height:1.9;
}

.ky-card{
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-md);
  padding:28px;
  box-shadow:var(--ky-sh-1);
  transition:transform .18s var(--ky-ease),box-shadow .18s var(--ky-ease);
  height:100%;
}
.ky-card:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-2);}
.ky-card h3{
  font-size:19px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:10px;
}
.ky-card p{color:var(--ky-ink-2);font-size:15px;line-height:1.85;}
.ky-card-lg{border-radius:var(--ky-r-lg);padding:32px;}

.ky-list-check{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.ky-list-check li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--ky-ink-2);
  line-height:1.75;
}
.ky-list-check svg{
  width:18px;height:18px;flex-shrink:0;margin-top:5px;color:var(--ky-primary);
}

.ky-numlist{display:flex;flex-direction:column;}
.ky-numlist li{
  display:flex;
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--ky-line);
}
.ky-numlist li:first-child{padding-top:0;}
.ky-numlist li:last-child{border-bottom:0;padding-bottom:0;}
.ky-num{
  flex-shrink:0;
  width:40px;
  height:40px;
  border-radius:12px;
  background:var(--ky-grad);
  color:#fff;
  font-weight:800;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}
.ky-numlist h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.ky-numlist p{color:var(--ky-ink-2);font-size:15px;line-height:1.85;}

/* ---------- timeline ---------- */
.ky-timeline{
  position:relative;
  padding-left:34px;
  margin-top:8px;
}
.ky-timeline::before{
  content:"";
  position:absolute;
  left:9px;
  top:8px;
  bottom:8px;
  width:2px;
  background:linear-gradient(180deg,rgba(47,182,160,.55),rgba(47,182,160,.12));
  border-radius:2px;
}
.ky-tl-item{position:relative;padding-bottom:32px;}
.ky-tl-item:last-child{padding-bottom:0;}
.ky-tl-item::before{
  content:"";
  position:absolute;
  left:-33px;
  top:7px;
  width:12px;
  height:12px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--ky-primary);
  box-shadow:0 0 0 4px rgba(15,123,108,.10);
}
.ky-tl-item h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.ky-tl-item p{color:var(--ky-ink-2);font-size:15px;line-height:1.85;}
.ky-tl-meta{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--ky-primary);
  background:var(--ky-primary-l);
  border-radius:999px;
  padding:3px 12px;
  margin-bottom:10px;
}

/* ---------- team ---------- */
.ky-team-card{
  display:flex;
  gap:18px;
  align-items:flex-start;
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-md);
  padding:20px;
  box-shadow:var(--ky-sh-1);
  transition:transform .18s var(--ky-ease),box-shadow .18s var(--ky-ease);
}
.ky-team-card:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-2);}
.ky-avatar{
  width:56px;
  height:56px;
  border-radius:16px;
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:800;
  font-size:17px;
  background:var(--ky-grad);
  overflow:hidden;
}
.ky-avatar.is-accent{background:var(--ky-grad-cta);}
.ky-team-card h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.ky-team-card p{font-size:14px;color:var(--ky-ink-2);line-height:1.8;}

/* ---------- stats ---------- */
.ky-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-lg);
  overflow:hidden;
  box-shadow:var(--ky-sh-1);
}
.ky-stat{
  padding:28px 24px;
  border-right:1px solid var(--ky-line);
}
.ky-stat:last-child{border-right:0;}
.ky-stat strong{
  display:block;
  font-size:clamp(26px,3.2vw,36px);
  font-weight:800;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--ky-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.ky-stat span{
  display:block;
  font-size:13.5px;
  color:var(--ky-ink-2);
  margin-top:10px;
  padding-top:10px;
  border-top:1px solid var(--ky-line);
  line-height:1.7;
}

/* ---------- form ---------- */
.ky-form-card{
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-lg);
  padding:32px;
  box-shadow:var(--ky-sh-1);
}
.ky-field{margin-bottom:18px;}
.ky-field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--ky-ink);
  margin-bottom:8px;
}
.ky-field .ky-req{color:var(--ky-accent);margin-left:4px;}
.ky-input,
.ky-textarea{
  width:100%;
  background:var(--ky-bg);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-sm);
  padding:14px 16px;
  font-size:15px;
  color:var(--ky-ink);
  transition:border-color .18s var(--ky-ease),box-shadow .18s var(--ky-ease),background .18s var(--ky-ease);
}
.ky-input::placeholder,
.ky-textarea::placeholder{color:var(--ky-ink-3);}
.ky-input:focus,
.ky-textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--ky-primary);
  box-shadow:0 0 0 3px var(--ky-ring);
}
.ky-textarea{min-height:120px;resize:vertical;line-height:1.8;}
.ky-form-tip{
  margin-top:14px;
  font-size:14px;
  color:var(--ky-primary-d);
  background:var(--ky-primary-l);
  border-radius:var(--ky-r-sm);
  padding:10px 14px;
  display:none;
}
.ky-form-tip.show{display:block;}
.ky-form-note{
  margin-top:14px;
  font-size:13px;
  color:var(--ky-ink-3);
  line-height:1.7;
}

.ky-contact-card{
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-lg);
  padding:32px;
  box-shadow:var(--ky-sh-1);
  height:100%;
}
.ky-contact-list{display:flex;flex-direction:column;gap:0;margin-top:6px;}
.ky-contact-list li{
  padding:16px 0;
  border-bottom:1px dashed var(--ky-line);
  display:flex;
  justify-content:space-between;
  gap:16px;
  font-size:15px;
}
.ky-contact-list li:last-child{border-bottom:0;}
.ky-contact-list .ky-k{color:var(--ky-ink-3);}
.ky-contact-list .ky-v{color:var(--ky-ink);font-weight:600;text-align:right;}
.ky-contact-media{
  margin-top:24px;
  border-radius:var(--ky-r-md);
  overflow:hidden;
  border:1px solid var(--ky-line);
}
.ky-contact-media img{width:100%;height:180px;object-fit:cover;}

/* ---------- FAQ ---------- */
.ky-faq{display:flex;flex-direction:column;gap:14px;}
.ky-faq-item{
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  border-radius:var(--ky-r-md);
  overflow:hidden;
  position:relative;
  transition:box-shadow .18s var(--ky-ease),border-color .18s var(--ky-ease);
}
.ky-faq-item::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:var(--ky-grad);
  opacity:0;
  transition:opacity .2s var(--ky-ease);
}
.ky-faq-item.open::before{opacity:1;}
.ky-faq-item:hover{box-shadow:var(--ky-sh-1);}
.ky-faq-q{
  width:100%;
  background:transparent;
  border:0;
  text-align:left;
  padding:20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--ky-ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  cursor:pointer;
  min-height:44px;
}
.ky-faq-q:hover{color:var(--ky-primary-d);}
.ky-faq-icon{
  flex-shrink:0;
  width:26px;
  height:26px;
  border-radius:9px;
  background:var(--ky-primary-l);
  color:var(--ky-primary-d);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:700;
  transition:transform .2s var(--ky-ease),background .2s var(--ky-ease);
}
.ky-faq-item.open .ky-faq-icon{transform:rotate(45deg);background:var(--ky-accent-l);color:#B4471B;}
.ky-faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ky-ease);
}
.ky-faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ky-ink-2);
}

/* ---------- CTA ---------- */
.ky-cta{
  position:relative;
  border-radius:var(--ky-r-lg);
  overflow:hidden;
  background:var(--ky-surface);
  border:1px solid var(--ky-line);
  box-shadow:var(--ky-sh-1);
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
}
.ky-cta-art{
  background:var(--ky-grad);
  padding:40px 34px;
  color:#fff;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:14px;
}
.ky-cta-art h2{
  color:#fff;
  font-size:clamp(22px,2.6vw,28px);
  font-weight:700;
  line-height:1.35;
}
.ky-cta-art p{
  color:rgba(255,255,255,.9);
  font-size:15px;
  line-height:1.85;
  margin:0;
}
.ky-cta-body{
  padding:40px 34px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:16px;
}
.ky-cta-body .ky-cta-points{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px 20px;
}
.ky-cta-points span{
  display:flex;
  align-items:flex-start;
  gap:8px;
  font-size:14.5px;
  color:var(--ky-ink-2);
  line-height:1.7;
}
.ky-cta-points svg{width:17px;height:17px;flex-shrink:0;margin-top:5px;color:var(--ky-primary);}
.ky-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;}

/* ---------- footer ---------- */
.ky-footer{
  background:#0A2A26;
  color:#C9DED9;
  padding:72px 0 0;
  margin-top:0;
}
.ky-footer .ky-logo-text{color:#fff;}
.ky-footer-brandtext{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.85;
  color:#9FC2BB;
  max-width:36ch;
}
.ky-footer-social{display:flex;gap:12px;margin-top:20px;}
.ky-footer-social a{
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid rgba(201,222,217,.22);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#C9DED9;
  transition:color .18s var(--ky-ease),border-color .18s var(--ky-ease),transform .18s var(--ky-ease);
}
.ky-footer-social a:hover{color:var(--ky-accent);border-color:var(--ky-accent);transform:translateY(-2px);}
.ky-footer-social svg{width:19px;height:19px;}
.ky-footer h4{
  color:#fff;
  font-size:14px;
  font-weight:700;
  margin-bottom:18px;
}
.ky-footer-links{display:flex;flex-direction:column;gap:11px;}
.ky-footer-links a{
  color:#C9DED9;
  font-size:14.5px;
  display:inline-block;
  transition:color .18s var(--ky-ease),transform .18s var(--ky-ease);
}
.ky-footer-links a:hover{color:var(--ky-accent);transform:translateX(2px);}
.ky-footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14.5px;color:#9FC2BB;}
.ky-footer-contact a{color:var(--ky-accent);font-weight:600;}
.ky-footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(201,222,217,.16);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13.5px;
  color:#8FB3AC;
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .ky-search{min-width:180px;}
  .ky-nav{gap:18px;}
  .ky-nav-link{font-size:14px;}
}
@media (max-width:991.98px){
  .ky-nav-wrap{height:60px;gap:12px;}
  .ky-burger{display:block;}
  .ky-nav{
    position:fixed;
    top:60px;
    left:0;
    right:0;
    bottom:0;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:18px 24px 40px;
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity .22s var(--ky-ease),transform .22s var(--ky-ease),visibility .22s;
    overflow-y:auto;
    border-top:1px solid var(--ky-line);
  }
  .ky-nav.open{opacity:1;visibility:visible;transform:translateY(0);}
  .ky-nav-link{
    padding:16px 0;
    border-bottom:1px solid var(--ky-line);
    font-size:16px;
  }
  .ky-nav-link::after{display:none;}
  .ky-nav-link.active{color:var(--ky-primary);}
  .ky-nav-right{position:fixed;top:auto;bottom:0;left:0;right:0;background:#fff;padding:14px 24px 20px;display:none;gap:10px;border-top:1px solid var(--ky-line);z-index:1040;}
  .ky-nav.open ~ .ky-nav-right{display:flex;}
  .ky-search{display:none;}
  .ky-hero-grid{grid-template-columns:1fr;gap:28px;}
  .ky-hero-media img{height:210px;}
  .ky-section{padding:56px 0;}
  .ky-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ky-stat:nth-child(2){border-right:0;}
  .ky-stat:nth-child(1),
  .ky-stat:nth-child(2){border-bottom:1px solid var(--ky-line);}
  .ky-cta{grid-template-columns:1fr;}
  .ky-cta-art{padding:32px 26px;}
  .ky-cta-body{padding:32px 26px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .ky-container{padding:0 16px;}
  .ky-hero-compact{padding:36px 0 34px;}
  .ky-hero-compact .ky-lead{font-size:16px;}
  .ky-card,.ky-card-lg{padding:22px;}
  .ky-form-card,.ky-contact-card{padding:22px;}
  .ky-cta-points{grid-template-columns:1fr;}
  .ky-footer{padding-top:52px;}
  .ky-footer-bottom{margin-top:40px;flex-direction:column;align-items:flex-start;}
  .ky-btn{width:100%;}
  .ky-btn-sm{width:auto;}
  .ky-cta-actions .ky-btn{width:100%;}
}
@media (max-width:575.98px){
  .ky-stats{grid-template-columns:1fr;}
  .ky-stat{border-right:0;border-bottom:1px solid var(--ky-line);}
  .ky-stat:last-child{border-bottom:0;}
  .ky-faq-q{font-size:16px;padding:18px 18px;}
  .ky-faq-a p{padding:0 18px 18px;}
  .ky-numlist li{gap:14px;}
  .ky-team-card{flex-direction:column;gap:14px;}
}