/* roulang page: index */
:root{
  --ky-primary:#0F6E5C;
  --ky-primary-hover:#13897A;
  --ky-primary-press:#0A4A3E;
  --ky-primary-soft:#E7F2EF;
  --ky-amber:#E8A33D;
  --ky-amber-soft:#FBEFD9;
  --ky-success:#2E8B57;
  --ky-warn:#D96B4A;
  --ky-error:#C3452F;
  --ky-ink:#131A18;
  --ky-text:#2C3835;
  --ky-muted:#5C6B67;
  --ky-border:#E2E6E3;
  --ky-bg:#F5F7F5;
  --ky-card:#FFFFFF;
  --ky-r-card:16px;
  --ky-r-btn:12px;
  --ky-r-img:14px;
  --ky-r-input:10px;
  --ky-shadow:0 1px 2px rgba(19,26,24,.04), 0 8px 24px rgba(19,26,24,.06);
  --ky-shadow-hover:0 14px 36px rgba(19,26,24,.10);
  --ky-container:1200px;
  --ky-gap:24px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ky-text);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;border-radius:6px}
.ky-container{max-width:var(--ky-container);margin:0 auto;padding:0 24px}
.ky-num{font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.ky-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.ky-header.is-scrolled{border-bottom-color:var(--ky-border);box-shadow:0 4px 18px rgba(19,26,24,.06)}
.ky-nav{display:flex;align-items:center;gap:28px;height:68px}
.ky-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.ky-logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(145deg,var(--ky-primary),#178f79);
  color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(15,110,92,.28);
}
.ky-logo-text{font-size:18px;font-weight:700;color:var(--ky-ink);letter-spacing:.01em}
.ky-menu{display:flex;align-items:center;gap:4px;flex:1 1 auto}
.ky-menu a{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--ky-text);
  transition:color .2s ease,background .2s ease;
}
.ky-menu a:hover{color:var(--ky-primary);background:var(--ky-primary-soft)}
.ky-menu a.active{color:var(--ky-primary);font-weight:600}
.ky-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--ky-primary);border-radius:2px;
}
.ky-nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.ky-link-login{font-size:15px;color:var(--ky-muted);padding:8px 10px;border-radius:8px;transition:color .2s}
.ky-link-login:hover{color:var(--ky-primary)}
.ky-burger{
  display:none;width:42px;height:42px;border:1px solid var(--ky-border);
  background:#fff;border-radius:11px;padding:0;position:relative;
}
.ky-burger span{
  position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--ky-ink);
  transition:transform .25s ease,opacity .2s ease;
}
.ky-burger span:nth-child(1){top:14px}
.ky-burger span:nth-child(2){top:20px}
.ky-burger span:nth-child(3){top:26px}
.ky-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.ky-burger.is-open span:nth-child(2){opacity:0}
.ky-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--ky-r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.ky-btn-primary{background:var(--ky-primary);color:#fff;box-shadow:0 8px 20px rgba(15,110,92,.22)}
.ky-btn-primary:hover{background:var(--ky-primary-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,110,92,.28)}
.ky-btn-primary:active{background:var(--ky-primary-press);transform:translateY(0)}
.ky-btn-ghost{background:transparent;color:var(--ky-primary);border-color:var(--ky-primary)}
.ky-btn-ghost:hover{background:var(--ky-primary-soft);transform:translateY(-2px)}
.ky-btn-plain{background:transparent;color:var(--ky-primary);padding:0 6px;height:auto;font-weight:600}
.ky-btn-plain:hover{transform:translateX(4px)}
.ky-btn-pill{border-radius:999px}
.ky-btn-light{background:#fff;color:var(--ky-primary-press)}
.ky-btn-light:hover{background:var(--ky-primary-soft);transform:translateY(-2px)}
.ky-btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.ky-btn-outline-light:hover{background:rgba(255,255,255,.13)}
.ky-btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- Badges & tags ---------- */
.ky-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  background:var(--ky-primary-soft);color:var(--ky-primary-press);
}
.ky-badge-amber{background:var(--ky-amber-soft);color:#8A5A12}
.ky-badge-ghost{background:rgba(255,255,255,.16);color:#fff;letter-spacing:.08em}
.ky-eyebrow{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ky-primary);font-weight:700;
}

/* ---------- Sections ---------- */
.ky-section{padding:56px 0}
.ky-section-head{max-width:720px;margin-bottom:32px}
.ky-section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;color:var(--ky-ink);margin-top:10px}
.ky-section-head p{margin-top:12px;color:var(--ky-muted);font-size:16px}
.ky-section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.ky-divider{height:1px;background:var(--ky-border);border:0;margin:0}

/* ---------- Hero ---------- */
.ky-hero{
  position:relative;overflow:hidden;
  padding:72px 0 64px;
  background:
    linear-gradient(rgba(15,110,92,.05) 1px,transparent 1px) 0 0/28px 28px,
    linear-gradient(90deg,rgba(15,110,92,.05) 1px,transparent 1px) 0 0/28px 28px,
    linear-gradient(180deg,#FBFDFC,#F1F6F4);
}
.ky-hero::after{
  content:"";position:absolute;top:-120px;right:-90px;width:520px;height:380px;
  background:rgba(15,110,92,.07);
  clip-path:polygon(18% 0,100% 0,100% 100%,0 78%);
  pointer-events:none;
}
.ky-hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(12,1fr);gap:var(--ky-gap);align-items:center;
}
.ky-hero-copy{grid-column:1 / span 6}
.ky-hero-copy h1{
  font-size:clamp(28px,4.4vw,48px);line-height:1.2;font-weight:700;color:var(--ky-ink);
  margin-top:16px;
}
.ky-hero-copy .ky-sub{
  margin-top:16px;font-size:17px;line-height:1.8;color:var(--ky-muted);max-width:560px;
}
.ky-hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.ky-hero-points span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:var(--ky-text);background:#fff;border:1px solid var(--ky-border);
  border-radius:999px;padding:7px 14px;
}
.ky-hero-points span::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--ky-primary);
}
.ky-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.ky-hero-note{margin-top:16px;font-size:13.5px;color:var(--ky-muted)}
.ky-hero-figure{grid-column:7 / span 6;position:relative}
.ky-hero-figure img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:18px;box-shadow:0 24px 60px rgba(19,26,24,.16);
}
.ky-hero-tag{
  position:absolute;top:-16px;right:20px;
  background:#fff;border:1px solid var(--ky-border);border-radius:16px;
  padding:12px 18px;box-shadow:var(--ky-shadow);text-align:center;
}
.ky-hero-tag strong{display:block;font-size:24px;color:var(--ky-primary);font-variant-numeric:tabular-nums;line-height:1.2}
.ky-hero-tag small{font-size:12px;color:var(--ky-muted);letter-spacing:.04em}

/* ---------- Metrics ---------- */
.ky-metrics{
  background:#fff;border-top:1px solid var(--ky-border);border-bottom:1px solid var(--ky-border);
}
.ky-metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.ky-metric{padding:30px 22px;text-align:center;border-left:1px solid var(--ky-border)}
.ky-metric:first-child{border-left:0}
.ky-metric b{
  display:block;font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--ky-ink);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.ky-metric span{display:block;margin-top:8px;font-size:14px;color:var(--ky-muted)}

/* ---------- Reasons band ---------- */
.ky-band{background:#fff;border-radius:20px;border:1px solid var(--ky-border);box-shadow:var(--ky-shadow);overflow:hidden}
.ky-band-row{
  display:flex;align-items:flex-start;gap:16px;
  padding:22px 26px;border-top:1px solid var(--ky-border);
}
.ky-band-row:first-child{border-top:0}
.ky-band-row:hover{background:rgba(15,110,92,.03)}
.ky-band-icon{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  background:var(--ky-primary-soft);color:var(--ky-primary-press);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
}
.ky-band-row h3{font-size:17px;font-weight:600;color:var(--ky-ink)}
.ky-band-row p{margin-top:6px;font-size:15px;color:var(--ky-muted)}

/* ---------- Compare table ---------- */
.ky-table-wrap{
  background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  box-shadow:var(--ky-shadow);overflow:hidden;
}
.ky-cmp{width:100%;border-collapse:collapse;font-size:15px}
.ky-cmp caption{
  text-align:left;padding:22px 24px 8px;font-size:15px;color:var(--ky-muted);
}
.ky-cmp thead th{
  position:sticky;top:68px;z-index:2;background:#fff;
  padding:18px 24px;text-align:left;font-size:15px;color:var(--ky-ink);
  border-bottom:1px solid var(--ky-border);white-space:nowrap;
}
.ky-cmp thead th:not(:first-child){text-align:right}
.ky-cmp tbody td{
  padding:16px 24px;border-bottom:1px solid var(--ky-border);vertical-align:middle;
}
.ky-cmp tbody tr:nth-child(even){background:rgba(15,110,92,.03)}
.ky-cmp tbody td:first-child{color:var(--ky-ink);font-weight:600}
.ky-cmp tbody td:not(:first-child){text-align:right;font-variant-numeric:tabular-nums;color:var(--ky-text)}
.ky-cmp tbody tr:last-child td{border-bottom:0}
.ky-cmp .ky-col-pro{background:rgba(15,110,92,.055);position:relative}
.ky-cmp thead .ky-col-pro{color:var(--ky-primary-press)}
.ky-cmp .ky-col-pro-head{
  position:relative;
}
.ky-col-pro-head .ky-badge{margin-left:8px;vertical-align:middle}
.ky-col-pro-head{border-top:2px solid var(--ky-primary)!important}
.ky-yes{color:var(--ky-success);font-weight:700}
.ky-no{color:#9AA6A2}

/* ---------- Levels ---------- */
.ky-levels{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.ky-level{
  background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  padding:22px 20px;box-shadow:var(--ky-shadow);transition:transform .24s ease,box-shadow .24s ease;
}
.ky-level:hover{transform:translateY(-3px);box-shadow:var(--ky-shadow-hover)}
.ky-level-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.ky-level-name{font-size:17px;font-weight:700;color:var(--ky-ink)}
.ky-level-index{
  width:26px;height:26px;border-radius:50%;background:var(--ky-primary-soft);color:var(--ky-primary-press);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.ky-level-gate{margin-top:12px;font-size:14px;color:var(--ky-muted)}
.ky-level-gate b{color:var(--ky-ink);font-variant-numeric:tabular-nums}
.ky-level-bar{margin-top:16px;height:6px;border-radius:99px;background:#EDF1EF;overflow:hidden}
.ky-level-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--ky-primary),#1FA48B)}
.ky-level-unlock{margin-top:14px;font-size:14px;color:var(--ky-text)}
.ky-level-unlock b{color:var(--ky-primary);font-variant-numeric:tabular-nums}

/* ---------- Featured content ---------- */
.ky-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--ky-gap)}
.ky-feature-card{
  position:relative;background:#fff;border:1px solid var(--ky-border);
  border-radius:var(--ky-r-card);overflow:hidden;box-shadow:var(--ky-shadow);
  transition:transform .24s ease,box-shadow .24s ease;
}
.ky-feature-card:hover{transform:translateY(-3px);box-shadow:var(--ky-shadow-hover)}
.ky-feature-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.ky-feature-media img{width:100%;height:100%;object-fit:cover}
.ky-feature-mask{
  position:absolute;inset:0;background:rgba(19,26,24,.55);
  display:flex;align-items:center;justify-content:center;gap:10px;
  color:#fff;font-size:14px;font-weight:600;
}
.ky-lock{
  width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.ky-feature-body{padding:22px 24px 26px}
.ky-feature-body h3{font-size:19px;font-weight:600;color:var(--ky-ink)}
.ky-feature-body p{margin-top:10px;font-size:15px;color:var(--ky-muted)}
.ky-feature-meta{display:flex;align-items:center;gap:10px;margin-top:16px;flex-wrap:wrap}

/* ---------- News (CMS) ---------- */
.ky-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--ky-gap)}
.ky-news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--ky-border);
  border-radius:var(--ky-r-card);overflow:hidden;box-shadow:var(--ky-shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.ky-news-card:hover{transform:translateY(-3px);box-shadow:var(--ky-shadow-hover);border-color:#CFE0DA}
.ky-news-card:focus-within{outline:2px solid var(--ky-primary);outline-offset:2px}
.ky-news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--ky-primary-soft)}
.ky-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.ky-news-card:hover .ky-news-thumb img{transform:scale(1.04)}
.ky-news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.ky-news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.ky-news-meta time{font-size:13px;color:var(--ky-muted);font-variant-numeric:tabular-nums}
.ky-news-body h3{
  margin-top:12px;font-size:17px;font-weight:600;line-height:1.5;color:var(--ky-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ky-news-body h3 a:hover{color:var(--ky-primary)}
.ky-news-body p{
  margin-top:10px;font-size:14.5px;color:var(--ky-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ky-news-more{margin-top:auto;padding-top:16px;font-size:14px;font-weight:600;color:var(--ky-primary)}
.ky-news-more:hover{color:var(--ky-primary-hover)}
.ky-empty{
  grid-column:1 / -1;background:#fff;border:1px dashed var(--ky-border);border-radius:var(--ky-r-card);
  padding:48px 24px;text-align:center;
}
.ky-empty-icon{
  width:52px;height:52px;margin:0 auto 14px;border-radius:14px;background:var(--ky-primary-soft);
  display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--ky-primary);
}
.ky-empty p{color:var(--ky-muted);font-size:15px}
.ky-empty .ky-btn{margin-top:18px}

/* ---------- FAQ ---------- */
.ky-faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.ky-faq-side{position:sticky;top:96px}
.ky-faq-side h2{font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--ky-ink);line-height:1.3;margin-top:10px}
.ky-faq-side p{margin-top:12px;color:var(--ky-muted);font-size:15px}
.ky-faq-list{background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-r-card);box-shadow:var(--ky-shadow);overflow:hidden}
.ky-faq-item{border-top:1px solid var(--ky-border)}
.ky-faq-item:first-child{border-top:0}
.ky-faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 24px;font-size:16px;font-weight:600;color:var(--ky-ink);
  transition:background .2s ease;
}
.ky-faq-item summary::-webkit-details-marker{display:none}
.ky-faq-item summary:hover{background:var(--ky-primary-soft)}
.ky-faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--ky-border);
  display:flex;align-items:center;justify-content:center;color:var(--ky-primary);font-size:16px;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.ky-faq-item[open] .ky-faq-icon{transform:rotate(180deg);background:var(--ky-primary);color:#fff;border-color:var(--ky-primary)}
.ky-faq-item[open] summary{background:var(--ky-primary-soft)}
.ky-faq-answer{padding:4px 24px 22px;font-size:15px;line-height:1.8;color:var(--ky-muted);background:var(--ky-primary-soft)}

/* ---------- CTA ---------- */
.ky-cta{
  position:relative;color:#fff;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.ky-cta::before{content:"";position:absolute;inset:0;background:rgba(10,45,38,.78)}
.ky-cta-inner{position:relative;z-index:1;padding:72px 0;display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:center}
.ky-cta h2{font-size:clamp(24px,3.2vw,34px);line-height:1.28;font-weight:700}
.ky-cta p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.86);max-width:620px}
.ky-cta-assure{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.72);display:flex;flex-wrap:wrap;gap:18px}
.ky-cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}

/* ---------- Footer ---------- */
.ky-footer{background:#0E1A17;color:rgba(255,255,255,.72);padding:64px 0 0}
.ky-footer-grid{display:grid;grid-template-columns:4fr 2.6fr 2.6fr 2.8fr;gap:36px}
.ky-footer-brand .ky-logo-text{color:#fff}
.ky-footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px}
.ky-footer h4{font-size:14px;color:#fff;font-weight:600;letter-spacing:.06em;margin-bottom:16px}
.ky-footer li{margin-bottom:10px}
.ky-footer li a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease}
.ky-footer li a:hover{color:#fff}
.ky-footer-contact li{font-size:14px;color:rgba(255,255,255,.68)}
.ky-footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.5);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .ky-menu{
    position:fixed;inset:60px 0 0;background:#fff;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:20px 24px 110px;overflow-y:auto;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease;
  }
  .ky-menu.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .ky-menu a{padding:14px 12px;font-size:16px;border-bottom:1px solid var(--ky-border);border-radius:0}
  .ky-menu a.active::after{display:none}
  .ky-menu a.active{background:var(--ky-primary-soft);border-radius:10px}
  .ky-burger{display:block}
  .ky-nav{height:60px;gap:12px}
  .ky-hero-grid{grid-template-columns:1fr;gap:36px}
  .ky-hero-copy,.ky-hero-figure{grid-column:1 / -1}
  .ky-hero{padding:48px 0 52px}
  .ky-metrics-grid{grid-template-columns:repeat(2,1fr)}
  .ky-metric{border-left:0;border-top:1px solid var(--ky-border)}
  .ky-metric:nth-child(odd){border-right:1px solid var(--ky-border)}
  .ky-metric:nth-child(1),.ky-metric:nth-child(2){border-top:0}
  .ky-levels{grid-template-columns:repeat(2,1fr)}
  .ky-faq-wrap{grid-template-columns:1fr;gap:28px}
  .ky-faq-side{position:static}
  .ky-cta-inner{grid-template-columns:1fr;gap:28px}
  .ky-news-grid{grid-template-columns:repeat(2,1fr)}
  .ky-footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .ky-section{padding:56px 0}
  .ky-cmp thead{display:none}
  .ky-cmp,.ky-cmp tbody,.ky-cmp tr,.ky-cmp td{display:block;width:100%}
  .ky-cmp tbody tr{
    border:1px solid var(--ky-border);border-radius:16px;
    padding:8px 16px;margin:0 0 14px;background:#fff;
  }
  .ky-cmp tbody tr:nth-child(even){background:#fff}
  .ky-cmp tbody td{
    border:0;padding:8px 0;display:flex;justify-content:space-between;gap:16px;text-align:right;
  }
  .ky-cmp tbody td::before{
    content:attr(data-label);color:var(--ky-muted);font-size:13px;font-weight:500;text-align:left;
  }
  .ky-cmp tbody td:first-child{
    font-size:16px;border-bottom:1px dashed var(--ky-border);padding-bottom:12px;margin-bottom:6px;
  }
  .ky-cmp tbody td:first-child::before{content:"";}
  .ky-table-wrap{background:transparent;border:0;box-shadow:none;overflow:visible}
  .ky-cmp caption{padding:0 0 14px}
  .ky-feature-grid{grid-template-columns:1fr}
  .ky-news-grid{grid-template-columns:1fr}
  .ky-levels{grid-template-columns:1fr}
}
@media (max-width:520px){
  .ky-container{padding:0 16px}
  .ky-hero-copy h1{font-size:28px}
  .ky-hero-actions .ky-btn{width:100%}
  .ky-metrics-grid{grid-template-columns:1fr}
  .ky-metric{border-right:0!important;border-top:1px solid var(--ky-border)!important}
  .ky-metric:first-child{border-top:0!important}
  .ky-band-row{padding:18px 18px}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px}
  .ky-footer-bottom{flex-direction:column;gap:8px}
  .ky-faq-item summary{padding:14px 18px;font-size:15px}
  .ky-faq-answer{padding:2px 18px 18px}
}

/* roulang page: article */
:root{
  --ky-primary:#0F6E5C;
  --ky-primary-hover:#13897A;
  --ky-primary-press:#0A4A3E;
  --ky-primary-soft:#E7F2EF;
  --ky-amber:#E8A33D;
  --ky-amber-soft:#FBEFD9;
  --ky-success:#2E8B57;
  --ky-warn:#D96B4A;
  --ky-error:#C3452F;
  --ky-title:#131A18;
  --ky-text:#2C3835;
  --ky-muted:#5C6B67;
  --ky-border:#E2E6E3;
  --ky-bg:#F5F7F5;
  --ky-card:#FFFFFF;
  --ky-radius-card:16px;
  --ky-radius-btn:12px;
  --ky-radius-img:14px;
  --ky-radius-pill:999px;
  --ky-shadow-card:0 1px 2px rgba(19,26,24,.04), 0 8px 24px rgba(19,26,24,.06);
  --ky-shadow-hover:0 14px 36px rgba(19,26,24,.10);
  --ky-container:1200px;
  --ky-font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--ky-font);
  font-size:16px;
  line-height:1.75;
  color:var(--ky-text);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ky-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--ky-primary-hover);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ky-title);font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;border-radius:6px;}
.ky-container{max-width:var(--ky-container);margin:0 auto;padding:0 24px;}
.ky-num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.ky-header{
  position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.ky-header.is-scrolled{border-bottom-color:var(--ky-border);box-shadow:0 2px 12px rgba(19,26,24,.06);}
.ky-nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px;}
.ky-logo{display:inline-flex;align-items:center;gap:10px;color:var(--ky-title);font-weight:700;font-size:17px;letter-spacing:.01em;}
.ky-logo:hover{color:var(--ky-title);}
.ky-logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--ky-primary),var(--ky-primary-hover));
  color:#fff;font-size:17px;font-weight:700;letter-spacing:0;
}
.ky-logo-text{white-space:nowrap;}
.ky-menu{display:flex;align-items:center;gap:6px;}
.ky-menu > a{
  position:relative;padding:10px 14px;border-radius:10px;color:var(--ky-text);font-size:15px;font-weight:500;
}
.ky-menu > a:hover{color:var(--ky-primary);background:var(--ky-primary-soft);}
.ky-menu > a.active{color:var(--ky-primary);font-weight:600;}
.ky-menu > a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--ky-primary);
}
.ky-menu-cta{display:none;}
.ky-nav-right{display:flex;align-items:center;gap:14px;}
.ky-link-login{font-size:15px;color:var(--ky-text);font-weight:500;}
.ky-link-login:hover{color:var(--ky-primary);}
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--ky-radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.ky-btn-primary{background:var(--ky-primary);color:#fff;box-shadow:0 6px 16px rgba(15,110,92,.18);}
.ky-btn-primary:hover{background:var(--ky-primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,110,92,.24);}
.ky-btn-primary:active{background:var(--ky-primary-press);transform:translateY(0);}
.ky-btn-ghost{background:transparent;color:var(--ky-primary);border-color:var(--ky-primary);}
.ky-btn-ghost:hover{background:var(--ky-primary-soft);color:var(--ky-primary-press);transform:translateY(-2px);}
.ky-btn-plain{background:#fff;color:var(--ky-title);border-color:var(--ky-border);}
.ky-btn-plain:hover{border-color:var(--ky-primary);color:var(--ky-primary);transform:translateY(-2px);}
.ky-btn-pill{border-radius:var(--ky-radius-pill);}
.ky-btn-sm{height:38px;padding:0 16px;font-size:14px;}
.ky-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.ky-burger{
  display:none;width:42px;height:42px;border:1px solid var(--ky-border);background:#fff;border-radius:12px;
  padding:0;cursor:pointer;position:relative;
}
.ky-burger span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--ky-title);border-radius:2px;transition:.25s ease;
}
.ky-burger span:nth-child(1){top:14px;}
.ky-burger span:nth-child(2){top:20px;}
.ky-burger span:nth-child(3){top:26px;}
.ky-burger[aria-expanded="true"] span:nth-child(1){top:20px;transform:rotate(45deg);}
.ky-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.ky-burger[aria-expanded="true"] span:nth-child(3){top:20px;transform:rotate(-45deg);}

/* ---------- breadcrumb ---------- */
.ky-crumb-bar{background:#fff;border-bottom:1px solid var(--ky-border);}
.ky-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:16px 0;font-size:14px;color:var(--ky-muted);}
.ky-crumb a{color:var(--ky-muted);}
.ky-crumb a:hover{color:var(--ky-primary);}
.ky-crumb .ky-crumb-sep{color:#B9C2BE;}
.ky-crumb .ky-crumb-current{color:var(--ky-title);font-weight:500;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article head ---------- */
.ky-article-head{padding:40px 0 32px;background:#fff;border-bottom:1px solid var(--ky-border);}
.ky-head-inner{max-width:860px;}
.ky-badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--ky-radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.08em;background:var(--ky-primary-soft);color:var(--ky-primary);
}
.ky-badge-amber{background:var(--ky-amber-soft);color:#9A6612;}
.ky-article-head h1{
  font-size:clamp(28px,4.4vw,42px);line-height:1.25;margin:18px 0 16px;letter-spacing:-.01em;
}
.ky-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--ky-muted);}
.ky-meta .ky-dot{width:4px;height:4px;border-radius:50%;background:#C8D1CD;}
.ky-cover{margin-top:28px;border-radius:var(--ky-radius-card);overflow:hidden;border:1px solid var(--ky-border);background:var(--ky-primary-soft);}
.ky-cover img{width:100%;aspect-ratio:16/8;object-fit:cover;}

/* ---------- layout ---------- */
.ky-main{padding:48px 0 64px;}
.ky-layout{display:block;}
.ky-article-body{
  background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-radius-card);
  box-shadow:var(--ky-shadow-card);padding:32px 24px;font-size:17px;line-height:1.85;color:var(--ky-text);
}
.ky-article-body > *:first-child{margin-top:0;}
.ky-article-body p{margin:0 0 1.6em;}
.ky-article-body h2{
  position:relative;font-size:clamp(21px,2.6vw,27px);line-height:1.4;margin:2em 0 .8em;padding-left:14px;
}
.ky-article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;background:var(--ky-primary);
}
.ky-article-body h3{font-size:20px;margin:1.6em 0 .6em;}
.ky-article-body h4{font-size:17px;margin:1.4em 0 .5em;}
.ky-article-body a{color:var(--ky-primary);text-decoration:underline;text-underline-offset:3px;}
.ky-article-body a:hover{color:var(--ky-primary-press);}
.ky-article-body strong{color:var(--ky-title);}
.ky-article-body ul{margin:0 0 1.6em;}
.ky-article-body ul li{position:relative;padding-left:18px;margin:.5em 0;}
.ky-article-body ul li::before{
  content:"";position:absolute;left:2px;top:.74em;width:6px;height:6px;border-radius:50%;background:var(--ky-primary);
}
.ky-article-body ol{margin:0 0 1.6em;padding-left:1.4em;list-style:decimal;}
.ky-article-body ol li{margin:.5em 0;}
.ky-article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--ky-primary-soft);
  border-left:3px solid var(--ky-primary);border-radius:0 12px 12px 0;color:var(--ky-text);
}
.ky-article-body blockquote p:last-child{margin-bottom:0;}
.ky-article-body img{border-radius:var(--ky-radius-img);margin:1.4em 0;}
.ky-article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.ky-article-body th,.ky-article-body td{border:1px solid var(--ky-border);padding:10px 14px;text-align:left;}
.ky-article-body th{background:var(--ky-primary-soft);color:var(--ky-title);font-weight:600;}
.ky-article-body code{
  background:#F1F4F2;border:1px solid var(--ky-border);border-radius:6px;padding:2px 6px;font-size:14px;
}
.ky-article-body pre{
  background:#111917;color:#DCE7E3;border-radius:var(--ky-radius-img);padding:18px;overflow-x:auto;margin:1.6em 0;
}
.ky-article-body pre code{background:none;border:0;padding:0;color:inherit;}
.ky-article-body hr{border:0;border-top:1px solid var(--ky-border);margin:2em 0;}

/* empty state */
.ky-empty{
  border:1px dashed var(--ky-border);border-radius:var(--ky-radius-card);background:#fff;
  padding:56px 24px;text-align:center;
}
.ky-empty-icon{
  width:52px;height:52px;border-radius:16px;background:var(--ky-primary-soft);color:var(--ky-primary);
  display:grid;place-items:center;margin:0 auto 16px;font-size:24px;font-weight:700;
}
.ky-empty h3{font-size:19px;margin-bottom:8px;}
.ky-empty p{color:var(--ky-muted);font-size:15px;margin-bottom:20px;}

/* ---------- sidebar ---------- */
.ky-side{display:grid;gap:20px;margin-top:28px;}
.ky-side-card{
  background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-radius-card);
  padding:20px;box-shadow:var(--ky-shadow-card);
}
.ky-side-card h3{font-size:16px;margin-bottom:14px;}
.ky-side-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--ky-border);font-size:14px;}
.ky-side-list li:last-child{border-bottom:0;}
.ky-side-list .k{color:var(--ky-muted);min-width:56px;}
.ky-side-list .v{color:var(--ky-title);font-weight:500;}
.ky-side-links li{margin-bottom:10px;}
.ky-side-links a{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ky-text);}
.ky-side-links a:hover{color:var(--ky-primary);}
.ky-side-links .idx{
  flex:none;width:20px;height:20px;border-radius:6px;background:var(--ky-primary-soft);color:var(--ky-primary);
  font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:2px;
}
.ky-side-cta{background:var(--ky-primary);border-color:var(--ky-primary);color:#EAF4F1;}
.ky-side-cta h3{color:#fff;}
.ky-side-cta p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.82);margin-bottom:16px;}
.ky-side-cta .ky-btn{width:100%;background:#fff;color:var(--ky-primary);box-shadow:none;}
.ky-side-cta .ky-btn:hover{background:var(--ky-amber-soft);color:var(--ky-primary-press);}

/* ---------- related ---------- */
.ky-section{padding:0;}
.ky-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.ky-sec-head h2{font-size:clamp(21px,2.6vw,28px);}
.ky-sec-head p{color:var(--ky-muted);font-size:14.5px;margin-top:8px;}
.ky-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.ky-card{
  background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-radius-card);
  box-shadow:var(--ky-shadow-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.ky-card:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-hover);border-color:#CFDDD8;}
.ky-card-media{overflow:hidden;background:var(--ky-primary-soft);}
.ky-card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.ky-card:hover .ky-card-media img{transform:scale(1.04);}
.ky-card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.ky-card-body h3{font-size:17px;line-height:1.5;}
.ky-card-body p{font-size:14.5px;color:var(--ky-muted);line-height:1.7;}
.ky-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ky-muted);}
.ky-more{color:var(--ky-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.ky-more:hover{gap:10px;}

/* ---------- back bar & trust ---------- */
.ky-back-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:32px;
  background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-radius-card);padding:20px;box-shadow:var(--ky-shadow-card);}
.ky-back-bar p{font-size:14.5px;color:var(--ky-muted);}
.ky-trust{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px;}
.ky-trust-item{display:flex;gap:12px;align-items:flex-start;}
.ky-trust-item .tk{
  flex:none;width:36px;height:36px;border-radius:11px;background:var(--ky-primary-soft);color:var(--ky-primary);
  display:grid;place-items:center;font-weight:700;font-size:15px;
}
.ky-trust-item h4{font-size:15px;margin-bottom:4px;}
.ky-trust-item span{font-size:13.5px;color:var(--ky-muted);line-height:1.6;}

/* ---------- cta strip ---------- */
.ky-cta{
  margin-top:56px;border-radius:20px;overflow:hidden;position:relative;color:#fff;
  background:linear-gradient(135deg,#0A4A3E,#0F6E5C 62%,#13897A);
  padding:40px 32px;
}
.ky-cta::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.07);
}
.ky-cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.ky-cta h2{color:#fff;font-size:clamp(21px,2.6vw,27px);margin-bottom:10px;}
.ky-cta p{color:rgba(255,255,255,.85);font-size:15px;max-width:600px;}
.ky-cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.ky-cta .ky-btn-primary{background:#fff;color:var(--ky-primary);box-shadow:none;}
.ky-cta .ky-btn-primary:hover{background:var(--ky-amber-soft);color:var(--ky-primary-press);}
.ky-cta .ky-btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.ky-cta .ky-btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.ky-cta-note{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.7);position:relative;z-index:1;}

/* ---------- footer ---------- */
.ky-footer{background:#0F1715;color:#C6D2CE;margin-top:72px;padding:56px 0 28px;}
.ky-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.ky-footer .ky-logo{color:#fff;}
.ky-footer .ky-logo-mark{background:linear-gradient(135deg,#13897A,#0F6E5C);}
.ky-footer-brand p{font-size:14px;line-height:1.8;color:#93A29D;margin-top:16px;max-width:340px;}
.ky-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.ky-footer ul li{margin-bottom:10px;}
.ky-footer ul li a{color:#93A29D;font-size:14.5px;}
.ky-footer ul li a:hover{color:#fff;}
.ky-footer-contact li{color:#93A29D;font-size:14.5px;}
.ky-footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:#7C8A86;
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .ky-side{margin-top:28px;}
}
@media (min-width:1180px){
  .ky-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
  .ky-side{margin-top:0;position:sticky;top:96px;}
}
@media (max-width:1024px){
  .ky-menu{
    position:fixed;left:0;right:0;top:60px;bottom:0;background:#fff;padding:16px 20px 120px;
    flex-direction:column;align-items:stretch;gap:4px;overflow-y:auto;
    transform:translateY(-10px);opacity:0;visibility:hidden;transition:opacity .24s ease,transform .24s ease,visibility .24s;
    z-index:70;
  }
  .ky-menu.open{transform:none;opacity:1;visibility:visible;}
  .ky-menu > a{padding:14px 12px;font-size:16px;border-radius:12px;}
  .ky-menu > a.active{background:var(--ky-primary-soft);}
  .ky-menu > a.active::after{display:none;}
  .ky-menu-cta{
    display:flex;flex-direction:column;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--ky-border);
  }
  .ky-menu-cta .ky-btn{width:100%;}
  .ky-menu-cta .ky-link-login{text-align:center;padding:6px 0;}
  .ky-nav{height:60px;}
  .ky-nav-right .ky-link-login,.ky-nav-right .ky-btn{display:none;}
  .ky-burger{display:block;}
  .ky-no-scroll{overflow:hidden;}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .ky-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ky-trust{grid-template-columns:1fr;gap:16px;}
}
@media (max-width:768px){
  .ky-container{padding:0 16px;}
  .ky-article-head{padding:28px 0 24px;}
  .ky-main{padding:32px 0 48px;}
  .ky-article-body{padding:22px 18px;font-size:16.5px;}
  .ky-cover img{aspect-ratio:16/10;}
  .ky-cta{padding:28px 20px;border-radius:18px;}
  .ky-crumb{padding:12px 0;font-size:13px;}
}
@media (max-width:520px){
  .ky-grid-3{grid-template-columns:1fr;}
  .ky-footer-grid{grid-template-columns:1fr;}
  .ky-article-body{padding:20px 16px;}
  .ky-cta-actions .ky-btn{width:100%;}
  .ky-back-bar{flex-direction:column;align-items:flex-start;}
  .ky-logo-text{font-size:16px;}
}

/* roulang page: category1 */
:root{
  --ky-primary:#0F6E5C;
  --ky-primary-hover:#13897A;
  --ky-primary-press:#0A4A3E;
  --ky-primary-soft:#E7F2EF;
  --ky-amber:#E8A33D;
  --ky-amber-soft:#FBEFD9;
  --ky-success:#2E8B57;
  --ky-warn:#D96B4A;
  --ky-error:#C3452F;
  --ky-title:#131A18;
  --ky-text:#2C3835;
  --ky-muted:#5C6B67;
  --ky-border:#E2E6E3;
  --ky-page:#F5F7F5;
  --ky-card:#FFFFFF;
  --ky-r-card:16px;
  --ky-r-btn:12px;
  --ky-r-img:14px;
  --ky-r-pill:999px;
  --ky-r-input:10px;
  --ky-shadow:0 1px 2px rgba(19,26,24,.04),0 8px 24px rgba(19,26,24,.06);
  --ky-shadow-hover:0 14px 36px rgba(19,26,24,.10);
  --ky-space:8px;
  --ky-gap:22px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ky-text);
  background:var(--ky-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit}
h1,h2,h3{color:var(--ky-title);line-height:1.3}
h1{font-size:clamp(28px,4.4vw,44px);font-weight:700;line-height:1.2}
h2{font-size:clamp(22px,3vw,32px);font-weight:700}
h3{font-size:20px;font-weight:600}
::selection{background:var(--ky-primary-soft);color:var(--ky-primary-press)}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;border-radius:6px}
.ky-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.ky-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.ky-header.is-scrolled{border-bottom-color:var(--ky-border);box-shadow:0 6px 20px rgba(19,26,24,.06)}
.ky-nav{display:flex;align-items:center;gap:20px;height:68px}
.ky-logo{display:flex;align-items:center;gap:10px;flex:none}
.ky-logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ky-primary);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:16px;letter-spacing:.02em;
}
.ky-logo-text{font-size:18px;font-weight:700;color:var(--ky-title);letter-spacing:.01em}
.ky-menu{display:flex;align-items:center;gap:4px;margin-left:10px}
.ky-menu a{
  position:relative;padding:8px 14px;border-radius:10px;font-size:15px;color:var(--ky-muted);
  transition:color .2s ease,background .2s ease;
}
.ky-menu a:hover{color:var(--ky-primary);background:var(--ky-primary-soft)}
.ky-menu a.active{color:var(--ky-title);font-weight:600;background:transparent}
.ky-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--ky-primary);
}
.ky-nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.ky-link-login{font-size:15px;color:var(--ky-muted);transition:color .2s ease}
.ky-link-login:hover{color:var(--ky-primary)}
.ky-burger{
  display:none;width:44px;height:44px;border:1px solid var(--ky-border);border-radius:12px;
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.ky-burger span{display:block;width:18px;height:2px;background:var(--ky-title);border-radius:2px;transition:.25s}
.ky-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.ky-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.ky-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--ky-r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.ky-btn-primary{background:var(--ky-primary);color:#fff}
.ky-btn-primary:hover{background:var(--ky-primary-hover);transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,110,92,.22)}
.ky-btn-primary:active{background:var(--ky-primary-press);transform:translateY(0);box-shadow:none}
.ky-btn-ghost{background:transparent;border-color:var(--ky-primary);color:var(--ky-primary)}
.ky-btn-ghost:hover{background:var(--ky-primary-soft)}
.ky-btn-light{background:#fff;color:var(--ky-primary-press)}
.ky-btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.18)}
.ky-btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.ky-btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff}
.ky-btn-pill{border-radius:var(--ky-r-pill)}
.ky-btn-block{width:100%}
.ky-btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--ky-primary);border-radius:8px;
}
.ky-btn-text span{transition:transform .2s ease}
.ky-btn-text:hover span{transform:translateX(4px)}
.ky-btn[disabled],.ky-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 页头带 ---------- */
.ky-pagehead{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F1F8F5 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--ky-border);
}
.ky-pagehead::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(15,110,92,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(15,110,92,.07) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 72%);
}
.ky-pagehead-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:44px;align-items:center;
  padding:52px 0 56px;
}
.ky-crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ky-muted);margin-bottom:14px}
.ky-crumb a{color:var(--ky-muted)}
.ky-crumb a:hover{color:var(--ky-primary)}
.ky-crumb .current{color:var(--ky-title);font-weight:600}
.ky-pagehead-text h1{margin-bottom:16px}
.ky-pagehead-text p{font-size:17px;color:var(--ky-muted);max-width:620px}
.ky-pagehead-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.ky-tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--ky-r-pill);
  background:#fff;border:1px solid var(--ky-border);font-size:13px;color:var(--ky-text);
}
.ky-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ky-primary)}
.ky-pagehead-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--ky-r-img);
  box-shadow:var(--ky-shadow);border:1px solid var(--ky-border);
}

/* ---------- 通用板块 ---------- */
.ky-section{padding:88px 0}
.ky-section-tight{padding:64px 0}
.ky-section-muted{background:#fff;border-top:1px solid var(--ky-border);border-bottom:1px solid var(--ky-border)}
.ky-section-head{max-width:760px;margin-bottom:40px}
.ky-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--ky-primary);background:var(--ky-primary-soft);
  padding:5px 12px;border-radius:var(--ky-r-pill);margin-bottom:14px;
}
.ky-section-head h2{margin-bottom:12px}
.ky-lead{font-size:16px;color:var(--ky-muted)}

/* ---------- 主区：侧栏 + 方案卡 ---------- */
.ky-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:36px;align-items:start}
.ky-sidenav{position:sticky;top:92px}
.ky-sidenav-title{
  font-size:12px;letter-spacing:.08em;color:var(--ky-muted);font-weight:600;margin-bottom:12px;
}
.ky-sidenav-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.ky-sidenav-nav a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--ky-muted);
  border-left:2px solid transparent;transition:.2s ease;
}
.ky-sidenav-nav a:hover{background:var(--ky-primary-soft);color:var(--ky-primary)}
.ky-sidenav-nav a.active{color:var(--ky-primary);font-weight:600;background:var(--ky-primary-soft);border-left-color:var(--ky-primary)}
.ky-sidenav-hint{
  font-size:13px;color:var(--ky-muted);background:#fff;border:1px dashed var(--ky-border);
  border-radius:12px;padding:12px 14px;line-height:1.6;
}

.ky-plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--ky-gap)}
.ky-plan-card{
  background:var(--ky-card);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  overflow:hidden;box-shadow:var(--ky-shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.ky-plan-card:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-hover);border-color:#CFE3DD}
.ky-plan-card:focus-within{border-color:var(--ky-primary);box-shadow:0 0 0 3px rgba(15,110,92,.12),var(--ky-shadow-hover)}
.ky-plan-thumb{position:relative;display:block}
.ky-plan-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.ky-plan-card:hover .ky-plan-thumb img{transform:scale(1.03)}
.ky-badge{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--ky-r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.4;
}
.ky-badge-amber{background:var(--ky-amber-soft);color:#8A5A11}
.ky-badge-green{background:var(--ky-primary-soft);color:var(--ky-primary-press)}
.ky-plan-thumb .ky-badge{position:absolute;left:14px;top:14px;box-shadow:0 2px 8px rgba(19,26,24,.12)}
.ky-plan-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:14px;flex:1}
.ky-plan-body h3 a{transition:color .2s ease}
.ky-plan-body h3 a:hover{color:var(--ky-primary)}
.ky-plan-body p{font-size:15px;color:var(--ky-muted)}
.ky-points{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.ky-points li{position:relative;padding-left:22px;font-size:14px;color:var(--ky-text)}
.ky-points li::before{
  content:"";position:absolute;left:0;top:8px;width:12px;height:7px;
  border-left:2px solid var(--ky-primary);border-bottom:2px solid var(--ky-primary);
  transform:rotate(-45deg);border-radius:1px;
}
.ky-plan-body .ky-btn-text{margin-top:auto}

/* ---------- 指标带 ---------- */
.ky-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--ky-border);border-bottom:1px solid var(--ky-border);
}
.ky-stat{padding:30px 26px;border-left:1px solid var(--ky-border)}
.ky-stat:first-child{border-left:0}
.ky-stat-num{
  font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--ky-primary-press);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.2;
}
.ky-stat-num small{font-size:16px;font-weight:600;margin-left:2px}
.ky-stat-label{font-size:14px;color:var(--ky-muted);margin-top:6px}

/* ---------- 适用场景（横向条带） ---------- */
.ky-scenes{display:flex;flex-direction:column;gap:14px}
.ky-scene{
  display:flex;gap:20px;align-items:flex-start;background:#fff;
  border:1px solid var(--ky-border);border-radius:var(--ky-r-card);padding:24px 26px;
  box-shadow:var(--ky-shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.ky-scene:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-hover)}
.ky-scene-icon{
  flex:none;width:44px;height:44px;border-radius:12px;background:var(--ky-primary-soft);
  color:var(--ky-primary);display:grid;place-items:center;font-weight:700;font-size:16px;
}
.ky-scene-body h3{font-size:18px;margin-bottom:6px}
.ky-scene-body p{font-size:15px;color:var(--ky-muted);max-width:820px}

/* ---------- 交付流程 ---------- */
.ky-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.ky-flow-step{position:relative;border-top:2px solid var(--ky-border);padding-top:24px}
.ky-flow-step::before{content:"";position:absolute;top:-2px;left:0;width:46px;height:2px;background:var(--ky-primary)}
.ky-flow-num{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ky-primary);margin-bottom:8px}
.ky-flow-step h3{font-size:17px;margin-bottom:8px}
.ky-flow-step p{font-size:14px;color:var(--ky-muted)}

/* ---------- 模块组合 ---------- */
.ky-stack{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:44px;align-items:center}
.ky-stack-text h2{margin-bottom:14px}
.ky-stack-text p{font-size:16px;color:var(--ky-muted);margin-bottom:20px}
.ky-module-tags{display:flex;flex-wrap:wrap;gap:12px}
.ky-module-tag{
  display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:12px;
  background:#fff;border:1px solid var(--ky-border);font-size:14px;font-weight:500;color:var(--ky-text);
  box-shadow:0 1px 2px rgba(19,26,24,.04);transition:.2s ease;
}
.ky-module-tag::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--ky-amber)}
.ky-module-tag:hover{border-color:var(--ky-primary);color:var(--ky-primary);transform:translateY(-2px)}

/* ---------- FAQ ---------- */
.ky-faq-wrap{display:grid;grid-template-columns:300px minmax(0,1fr);gap:48px;align-items:start}
.ky-faq-aside{position:sticky;top:92px}
.ky-faq-aside h2{margin-bottom:12px}
.ky-faq-aside p{font-size:15px;color:var(--ky-muted)}
.ky-faq{display:flex;flex-direction:column;gap:12px}
.ky-faq-item{background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-r-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.ky-faq-item.is-open{border-color:var(--ky-primary);box-shadow:var(--ky-shadow)}
.ky-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  min-height:56px;padding:14px 22px;font-size:16px;font-weight:600;color:var(--ky-title);
}
.ky-faq-icon{
  position:relative;flex:none;width:18px;height:18px;transition:transform .25s ease;
}
.ky-faq-icon::before,.ky-faq-icon::after{
  content:"";position:absolute;background:var(--ky-primary);border-radius:2px;
}
.ky-faq-icon::before{left:0;top:8px;width:18px;height:2px}
.ky-faq-icon::after{left:8px;top:0;width:2px;height:18px}
.ky-faq-item.is-open .ky-faq-icon{transform:rotate(180deg)}
.ky-faq-item.is-open .ky-faq-icon::after{opacity:0}
.ky-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.ky-faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ky-muted);background:linear-gradient(180deg,rgba(231,242,239,.5),rgba(231,242,239,0));}
.ky-faq-a p{padding-top:14px;background:rgba(231,242,239,.45)}

/* ---------- CTA ---------- */
.ky-cta{position:relative;overflow:hidden;background:var(--ky-primary-press);color:#fff;padding:88px 0}
.ky-cta-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.4}
.ky-cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,74,62,.94),rgba(10,74,62,.74));
}
.ky-cta-inner{position:relative;z-index:2;display:flex;align-items:center;gap:40px;justify-content:space-between;flex-wrap:wrap}
.ky-cta-inner h2{color:#fff;margin-bottom:12px;max-width:640px}
.ky-cta-inner p{color:rgba(255,255,255,.82);font-size:16px;max-width:620px}
.ky-cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.ky-cta-note{
  position:relative;z-index:2;margin-top:28px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.2);
  font-size:14px;color:rgba(255,255,255,.75);
}

/* ---------- 页脚 ---------- */
.ky-footer{background:#0E1715;color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14px}
.ky-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.ky-footer .ky-logo-text{color:#fff}
.ky-footer .ky-logo-mark{background:var(--ky-primary)}
.ky-footer-brand p{margin-top:16px;line-height:1.8;max-width:340px}
.ky-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.ky-footer ul{display:flex;flex-direction:column;gap:10px}
.ky-footer a{color:rgba(255,255,255,.72);transition:color .2s ease}
.ky-footer a:hover{color:#fff}
.ky-footer-contact li{line-height:1.7}
.ky-footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .ky-burger{display:flex}
  .ky-menu{
    position:fixed;left:0;right:0;top:60px;bottom:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    padding:16px 16px 120px;overflow-y:auto;
    transform:translateX(102%);transition:transform .3s ease;
    box-shadow:-8px 0 32px rgba(19,26,24,.08);
  }
  .ky-menu.is-open{transform:translateX(0)}
  .ky-menu a{padding:15px 12px;font-size:16px;border-bottom:1px solid var(--ky-border);border-radius:0}
  .ky-menu a.active{background:transparent;color:var(--ky-primary)}
  .ky-menu a.active::after{display:none}
  .ky-nav{height:60px}
  .ky-nav-right .ky-link-login{display:none}
  .ky-pagehead-inner{grid-template-columns:minmax(0,1fr);gap:28px;padding:40px 0 44px}
  .ky-pagehead-media{max-width:520px}
  .ky-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .ky-sidenav{position:static}
  .ky-sidenav-nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;margin-bottom:16px}
  .ky-sidenav-nav a{border-left:0;border:1px solid var(--ky-border);white-space:nowrap;border-radius:var(--ky-r-pill);padding:8px 16px}
  .ky-sidenav-nav a.active{border-color:var(--ky-primary);background:var(--ky-primary-soft)}
  .ky-sidenav .ky-btn-block{display:none}
  .ky-sidenav-hint{display:none}
  .ky-stack{grid-template-columns:minmax(0,1fr);gap:28px}
  .ky-faq-wrap{grid-template-columns:minmax(0,1fr);gap:28px}
  .ky-faq-aside{position:static}
  .ky-section{padding:64px 0}
  .ky-flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .ky-container{padding:0 16px}
  .ky-plan-grid{grid-template-columns:minmax(0,1fr)}
  .ky-stats{grid-template-columns:repeat(2,1fr)}
  .ky-stat{border-left:0;border-top:1px solid var(--ky-border);padding:22px 8px 22px 0}
  .ky-stat:nth-child(2n){border-left:1px solid var(--ky-border);padding-left:20px}
  .ky-stat:nth-child(-n+2){border-top:0}
  .ky-scene{flex-direction:column;gap:14px;padding:22px}
  .ky-section{padding:56px 0}
  .ky-section-tight{padding:48px 0}
  .ky-cta{padding:64px 0}
  .ky-cta-actions{width:100%}
  .ky-cta-actions .ky-btn{flex:1 1 auto}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px}
  .ky-footer{padding:48px 0 24px}
}
@media (max-width:520px){
  .ky-pagehead-text h1{font-size:26px}
  .ky-pagehead-text p{font-size:15px}
  .ky-flow{grid-template-columns:minmax(0,1fr)}
  .ky-cta-actions .ky-btn{width:100%}
  .ky-faq-q{font-size:15px;padding:14px 18px}
  .ky-faq-a p{padding-left:18px;padding-right:18px}
  .ky-module-tag{width:100%}
}

/* roulang page: category2 */
:root{
  --ky-primary:#0F6E5C;
  --ky-primary-hover:#13897A;
  --ky-primary-press:#0A4A3E;
  --ky-primary-soft:#E7F2EF;
  --ky-primary-tint:rgba(15,110,92,.06);
  --ky-accent:#E8A33D;
  --ky-accent-soft:#FBEFD9;
  --ky-success:#2E8B57;
  --ky-warn:#D96B4A;
  --ky-error:#C3452F;
  --ky-ink:#131A18;
  --ky-text:#2C3835;
  --ky-muted:#5C6B67;
  --ky-border:#E2E6E3;
  --ky-bg:#F5F7F5;
  --ky-card:#FFFFFF;
  --ky-deep:#0B2A24;
  --ky-r-card:16px;
  --ky-r-btn:12px;
  --ky-r-img:14px;
  --ky-r-input:10px;
  --ky-r-pill:999px;
  --ky-shadow-sm:0 1px 2px rgba(19,26,24,.04),0 8px 24px rgba(19,26,24,.06);
  --ky-shadow-lg:0 14px 36px rgba(19,26,24,.10);
  --ky-shadow-nav:0 1px 0 rgba(19,26,24,.06),0 8px 20px rgba(19,26,24,.05);
  --ky-s1:8px;--ky-s2:16px;--ky-s3:24px;--ky-s4:32px;--ky-s5:40px;--ky-s6:56px;--ky-s7:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ky-text);
  background:var(--ky-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;border-radius:6px}
.ky-container{max-width:1200px;margin:0 auto;padding:0 var(--ky-s3)}
.ky-num{font-variant-numeric:tabular-nums}

/* ---------- 头部导航 ---------- */
.ky-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid transparent;transition:box-shadow .22s ease,border-color .22s ease;
}
.ky-header.is-scrolled{border-bottom-color:var(--ky-border);box-shadow:var(--ky-shadow-nav)}
.ky-nav{display:flex;align-items:center;gap:var(--ky-s4);height:68px}
.ky-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.ky-logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ky-primary);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:17px;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(15,110,92,.28);
}
.ky-logo-text{font-size:18px;font-weight:700;color:var(--ky-ink);letter-spacing:.01em}
.ky-menu{display:flex;align-items:center;gap:var(--ky-s3);margin-right:auto}
.ky-menu a{
  position:relative;padding:22px 2px;font-size:15px;color:var(--ky-text);
}
.ky-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;border-radius:2px;
  background:var(--ky-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.ky-menu a:hover{color:var(--ky-primary)}
.ky-menu a:hover::after,.ky-menu a.active::after{transform:scaleX(1)}
.ky-menu a.active{color:var(--ky-primary);font-weight:600}
.ky-nav-right{display:flex;align-items:center;gap:var(--ky-s2);margin-left:auto}
.ky-link-login{font-size:15px;color:var(--ky-text);padding:8px 4px}
.ky-link-login:hover{color:var(--ky-primary)}
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--ky-r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.ky-btn-pill{border-radius:var(--ky-r-pill)}
.ky-btn-primary{background:var(--ky-primary);color:#fff;box-shadow:0 6px 18px rgba(15,110,92,.22)}
.ky-btn-primary:hover{background:var(--ky-primary-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,110,92,.28)}
.ky-btn-primary:active{background:var(--ky-primary-press);transform:translateY(0)}
.ky-btn-outline{border:1px solid var(--ky-primary);color:var(--ky-primary);background:transparent}
.ky-btn-outline:hover{background:var(--ky-primary-soft);transform:translateY(-2px)}
.ky-btn-ghost{color:var(--ky-primary);padding:0 6px;height:auto}
.ky-btn-ghost .ky-arrow{transition:transform .18s ease}
.ky-btn-ghost:hover .ky-arrow{transform:translateX(4px)}
.ky-btn-light{background:#fff;color:var(--ky-primary)}
.ky-btn-light:hover{background:var(--ky-primary-soft);transform:translateY(-2px)}
.ky-btn-outline-light{border:1px solid rgba(255,255,255,.65);color:#fff}
.ky-btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.ky-burger{display:none;width:44px;height:44px;border-radius:12px;position:relative}
.ky-burger span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--ky-ink);
  transition:transform .22s ease,opacity .22s ease;
}
.ky-burger span:nth-child(1){top:16px}
.ky-burger span:nth-child(2){top:22px}
.ky-burger span:nth-child(3){top:28px}
.ky-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.ky-burger.is-open span:nth-child(2){opacity:0}
.ky-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 页头带 ---------- */
.ky-page-hero{
  position:relative;overflow:hidden;background:#fff;
  border-bottom:1px solid var(--ky-border);
}
.ky-page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--ky-primary-tint) 1px,transparent 1px),linear-gradient(90deg,var(--ky-primary-tint) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none;
}
.ky-page-hero::after{
  content:"";position:absolute;top:-80px;right:-60px;width:340px;height:340px;
  background:var(--ky-primary-tint);transform:rotate(24deg);pointer-events:none;
}
.ky-page-hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:var(--ky-s5);align-items:center;padding:var(--ky-s6) 0;
}
.ky-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ky-muted);margin-bottom:14px;flex-wrap:wrap}
.ky-crumb a:hover{color:var(--ky-primary)}
.ky-crumb .sep{color:#B9C4C0}
.ky-crumb .current{color:var(--ky-text)}
.ky-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--ky-r-pill);
  background:var(--ky-accent-soft);color:#8A5A11;font-size:12px;font-weight:600;letter-spacing:.06em;
}
.ky-page-hero h1{
  font-size:clamp(28px,4.4vw,44px);line-height:1.2;font-weight:700;color:var(--ky-ink);
  margin:16px 0 14px;letter-spacing:-.01em;
}
.ky-page-hero .ky-lead{font-size:17px;line-height:1.8;color:var(--ky-muted);max-width:62ch}
.ky-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:var(--ky-s3)}
.ky-hero-deco{
  position:relative;border-radius:18px;overflow:hidden;aspect-ratio:3/2;
  box-shadow:var(--ky-shadow-sm);border:1px solid var(--ky-border);
}
.ky-hero-deco img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/2}
.ky-hero-chip{
  position:absolute;right:14px;top:14px;background:rgba(255,255,255,.94);
  border-radius:var(--ky-r-pill);padding:7px 14px;font-size:12px;font-weight:600;color:var(--ky-primary);
  box-shadow:0 6px 18px rgba(19,26,24,.12);
}

/* ---------- 胶囊 tab ---------- */
.ky-tabbar{
  position:sticky;top:68px;z-index:50;background:rgba(245,247,245,.94);
  backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--ky-border);
}
.ky-tabs{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.ky-tabs::-webkit-scrollbar{display:none}
.ky-tab{
  flex:0 0 auto;height:40px;padding:0 18px;border-radius:var(--ky-r-pill);
  background:#fff;border:1px solid var(--ky-border);color:var(--ky-text);
  font-size:14px;font-weight:600;display:inline-flex;align-items:center;
  transition:all .18s ease;
}
.ky-tab:hover{border-color:var(--ky-primary);color:var(--ky-primary)}
.ky-tab.is-active{background:var(--ky-primary);border-color:var(--ky-primary);color:#fff;box-shadow:0 8px 20px rgba(15,110,92,.22)}

/* ---------- 通用板块 ---------- */
.ky-section{padding:var(--ky-s7) 0;scroll-margin-top:130px}
.ky-section-alt{background:#fff;border-top:1px solid var(--ky-border);border-bottom:1px solid var(--ky-border)}
.ky-sec-head{max-width:720px;margin-bottom:var(--ky-s5)}
.ky-sec-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;color:var(--ky-ink);letter-spacing:-.01em}
.ky-sec-head p{margin-top:12px;color:var(--ky-muted);font-size:16px}
.ky-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--ky-r-pill);
  background:var(--ky-primary-soft);color:var(--ky-primary);font-size:12px;font-weight:600;letter-spacing:.08em;
}

/* ---------- 8/4 非对称栅格 ---------- */
.ky-split{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:var(--ky-s3);align-items:start}
.ky-benefit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.ky-bcard{
  background:var(--ky-card);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  padding:22px 20px;box-shadow:var(--ky-shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;gap:12px;height:100%;
}
.ky-bcard:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-lg);border-color:#CFE0DA}
.ky-bcard-icon{
  width:40px;height:40px;border-radius:12px;background:var(--ky-primary-soft);color:var(--ky-primary);
  display:grid;place-items:center;
}
.ky-bcard h3{font-size:18px;font-weight:600;color:var(--ky-ink)}
.ky-bcard p{font-size:14px;line-height:1.75;color:var(--ky-muted)}
.ky-bcard-foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ky-primary);font-weight:600}
.ky-mini-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:var(--ky-r-pill);
  background:var(--ky-accent-soft);color:#8A5A11;font-size:12px;font-weight:600;
}
.ky-aside{display:flex;flex-direction:column;gap:20px;position:sticky;top:132px}
.ky-stat-card{
  background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  padding:20px;box-shadow:var(--ky-shadow-sm);
}
.ky-stat-card h3{font-size:15px;font-weight:600;color:var(--ky-ink);margin-bottom:14px}
.ky-stat-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--ky-border);
}
.ky-stat-row:last-child{border-bottom:0;padding-bottom:0}
.ky-stat-row .v{font-size:22px;font-weight:700;color:var(--ky-primary);line-height:1.2}
.ky-stat-row .k{font-size:13px;color:var(--ky-muted)}
.ky-upgrade{
  background:var(--ky-card);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  overflow:hidden;box-shadow:var(--ky-shadow-sm);
}
.ky-upgrade img{width:100%;aspect-ratio:16/9;object-fit:cover}
.ky-upgrade-body{padding:18px}
.ky-upgrade-body h3{font-size:17px;font-weight:600;color:var(--ky-ink);margin-bottom:8px}
.ky-upgrade-body p{font-size:14px;color:var(--ky-muted);line-height:1.75;margin-bottom:14px}
.ky-upgrade-body .ky-btn{width:100%}

/* ---------- 等级对比 ---------- */
.ky-levels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}
.ky-level{
  position:relative;background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  padding:26px 22px;box-shadow:var(--ky-shadow-sm);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.ky-level:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-lg)}
.ky-level.featured{border:1.5px solid var(--ky-primary);box-shadow:0 12px 34px rgba(15,110,92,.14)}
.ky-level-badge{
  position:absolute;top:-13px;left:22px;height:26px;padding:0 12px;border-radius:var(--ky-r-pill);
  background:var(--ky-accent);color:#40270A;font-size:12px;font-weight:700;display:inline-flex;align-items:center;
  letter-spacing:.06em;
}
.ky-level h3{font-size:19px;font-weight:700;color:var(--ky-ink)}
.ky-level .ky-price{margin:14px 0 4px;font-size:28px;font-weight:700;color:var(--ky-primary);line-height:1.2}
.ky-level .ky-price small{font-size:13px;font-weight:500;color:var(--ky-muted);margin-left:6px}
.ky-level .ky-desc{font-size:14px;color:var(--ky-muted);margin-bottom:18px}
.ky-level ul{display:flex;flex-direction:column;gap:11px;margin-bottom:22px}
.ky-level li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ky-text)}
.ky-check{
  flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:var(--ky-primary-soft);color:var(--ky-primary);
  display:grid;place-items:center;margin-top:3px;
}
.ky-level .ky-btn{margin-top:auto;width:100%}

/* ---------- 适用场景 ---------- */
.ky-scene{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--ky-s5);align-items:center;
  padding:var(--ky-s4) 0;border-bottom:1px dashed var(--ky-border);
}
.ky-scene:last-child{border-bottom:0;padding-bottom:0}
.ky-scene:first-child{padding-top:0}
.ky-scene.reverse .ky-scene-media{order:2}
.ky-scene-media{border-radius:var(--ky-r-img);overflow:hidden;border:1px solid var(--ky-border);box-shadow:var(--ky-shadow-sm)}
.ky-scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.ky-scene-body h3{font-size:20px;font-weight:600;color:var(--ky-ink);margin-bottom:10px}
.ky-scene-body p{font-size:15px;color:var(--ky-muted);line-height:1.8}
.ky-scene-body ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.ky-scene-body li{
  position:relative;padding-left:18px;font-size:14px;color:var(--ky-text);
}
.ky-scene-body li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--ky-accent);
}

/* ---------- 流程 ---------- */
.ky-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative}
.ky-step{position:relative;background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-r-card);padding:24px 20px;box-shadow:var(--ky-shadow-sm)}
.ky-step-no{
  width:36px;height:36px;border-radius:12px;background:var(--ky-primary);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;margin-bottom:14px;
}
.ky-step h3{font-size:17px;font-weight:600;color:var(--ky-ink);margin-bottom:8px}
.ky-step p{font-size:14px;color:var(--ky-muted);line-height:1.75}

/* ---------- FAQ ---------- */
.ky-faq-layout{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:var(--ky-s5);align-items:start}
.ky-faq-side{position:sticky;top:132px}
.ky-faq-side h2{font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--ky-ink);line-height:1.3}
.ky-faq-side p{margin-top:12px;color:var(--ky-muted);font-size:15px}
.ky-faq-list{display:flex;flex-direction:column;gap:12px}
.ky-faq-item{background:#fff;border:1px solid var(--ky-border);border-radius:var(--ky-r-card);box-shadow:var(--ky-shadow-sm);overflow:hidden}
.ky-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;font-size:16px;font-weight:600;color:var(--ky-ink);text-align:left;min-height:56px;
}
.ky-faq-q:hover{color:var(--ky-primary)}
.ky-faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--ky-primary-soft);color:var(--ky-primary);
  display:grid;place-items:center;font-size:17px;line-height:1;transition:transform .25s ease;
}
.ky-faq-item.is-open .ky-faq-sign{transform:rotate(180deg)}
.ky-faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.ky-faq-item.is-open .ky-faq-a{grid-template-rows:1fr}
.ky-faq-a-inner{overflow:hidden}
.ky-faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ky-muted);background:linear-gradient(180deg,rgba(231,242,239,.5),rgba(231,242,239,0));padding-top:4px}

/* ---------- CTA ---------- */
.ky-cta-band{position:relative;overflow:hidden;background:var(--ky-deep);color:#fff;padding:var(--ky-s7) 0}
.ky-cta-band .ky-cta-bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.34}
.ky-cta-band::after{content:"";position:absolute;inset:0;background:rgba(11,42,36,.72)}
.ky-cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:var(--ky-s4);flex-wrap:wrap}
.ky-cta-inner h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.ky-cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.82);max-width:56ch}
.ky-cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.ky-cta-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.7)}

/* ---------- 页脚 ---------- */
.ky-footer{background:#fff;border-top:1px solid var(--ky-border);padding-top:var(--ky-s6)}
.ky-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:var(--ky-s4)}
.ky-footer-brand p{margin-top:14px;font-size:14px;color:var(--ky-muted);line-height:1.8;max-width:34ch}
.ky-footer h4{font-size:15px;font-weight:600;color:var(--ky-ink);margin-bottom:14px}
.ky-footer ul{display:flex;flex-direction:column;gap:10px}
.ky-footer li{font-size:14px;color:var(--ky-muted)}
.ky-footer ul a{color:var(--ky-muted)}
.ky-footer ul a:hover{color:var(--ky-primary)}
.ky-footer-contact li{line-height:1.7}
.ky-footer-bottom{
  margin-top:var(--ky-s5);border-top:1px solid var(--ky-border);
  padding:20px 0 28px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--ky-muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .ky-menu{
    position:fixed;left:0;right:0;top:60px;bottom:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:12px var(--ky-s3) 120px;
    transform:translateX(102%);transition:transform .26s ease;overflow-y:auto;
  }
  .ky-menu.is-open{transform:translateX(0)}
  .ky-menu a{padding:16px 4px;font-size:17px;border-bottom:1px solid var(--ky-border)}
  .ky-menu a::after{display:none}
  .ky-menu a.active{color:var(--ky-primary)}
  .ky-burger{display:block}
  .ky-nav{height:60px;gap:var(--ky-s2)}
  .ky-tabbar{top:60px}
  .ky-page-hero-inner{grid-template-columns:1fr;padding:var(--ky-s5) 0}
  .ky-hero-deco{max-width:520px;order:-1}
  .ky-split{grid-template-columns:1fr}
  .ky-benefit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ky-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .ky-aside>*{flex:1 1 260px}
  .ky-levels{grid-template-columns:1fr}
  .ky-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ky-faq-layout{grid-template-columns:1fr;gap:var(--ky-s3)}
  .ky-faq-side{position:static}
  .ky-footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .ky-section{padding:var(--ky-s6) 0}
  .ky-scene{grid-template-columns:1fr;gap:20px}
  .ky-scene.reverse .ky-scene-media{order:0}
  .ky-cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .ky-container{padding:0 var(--ky-s2)}
  .ky-link-login{display:none}
  .ky-btn{height:42px;padding:0 16px;font-size:14px}
  .ky-benefit-grid{grid-template-columns:1fr}
  .ky-steps{grid-template-columns:1fr}
  .ky-footer-grid{grid-template-columns:1fr}
  .ky-hero-actions .ky-btn{flex:1 1 auto}
  .ky-cta-actions{width:100%}
  .ky-cta-actions .ky-btn{flex:1 1 auto}
}

/* roulang page: category3 */
:root{
  --ky-primary:#0F6E5C;
  --ky-primary-hover:#13897A;
  --ky-primary-press:#0A4A3E;
  --ky-primary-soft:#E7F2EF;
  --ky-amber:#E8A33D;
  --ky-amber-soft:#FBEFD9;
  --ky-success:#2E8B57;
  --ky-warn:#D96B4A;
  --ky-error:#C3452F;
  --ky-ink:#131A18;
  --ky-text:#2C3835;
  --ky-muted:#5C6B67;
  --ky-border:#E2E6E3;
  --ky-bg:#F5F7F5;
  --ky-card:#FFFFFF;
  --ky-r-card:16px;
  --ky-r-btn:12px;
  --ky-r-input:10px;
  --ky-r-img:14px;
  --ky-shadow:0 1px 2px rgba(19,26,24,.04),0 8px 24px rgba(19,26,24,.06);
  --ky-shadow-hover:0 14px 36px rgba(19,26,24,.10);
  --ky-max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ky-text);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;border-radius:6px;}
.ky-container{max-width:var(--ky-max);margin:0 auto;padding:0 24px;}
.ky-num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.ky-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.ky-header.is-scroll{border-bottom-color:var(--ky-border);box-shadow:0 6px 20px rgba(19,26,24,.06);}
.ky-nav{display:flex;align-items:center;gap:28px;height:68px;}
.ky-logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ky-ink);}
.ky-logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--ky-primary),var(--ky-primary-hover));
  color:#fff;font-size:16px;font-weight:700;letter-spacing:.02em;
}
.ky-logo-text{font-size:17px;letter-spacing:.01em;}
.ky-menu{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1;}
.ky-menu a{
  position:relative;display:inline-block;padding:8px 14px;border-radius:10px;
  font-size:15px;color:var(--ky-muted);transition:color .2s ease,background .2s ease;
}
.ky-menu a:hover{color:var(--ky-ink);background:var(--ky-primary-soft);}
.ky-menu a.active{color:var(--ky-primary);font-weight:600;}
.ky-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--ky-primary);border-radius:2px;
}
.ky-nav-right{display:flex;align-items:center;gap:14px;}
.ky-link-login{font-size:15px;color:var(--ky-muted);transition:color .2s ease;}
.ky-link-login:hover{color:var(--ky-primary);}
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--ky-r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.ky-btn-pill{border-radius:999px;height:40px;padding:0 20px;font-size:14.5px;}
.ky-btn-primary{background:var(--ky-primary);color:#fff;box-shadow:0 6px 16px rgba(15,110,92,.20);}
.ky-btn-primary:hover{background:var(--ky-primary-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,110,92,.26);}
.ky-btn-primary:active{background:var(--ky-primary-press);transform:translateY(0);}
.ky-btn-outline{background:transparent;color:var(--ky-primary);border-color:var(--ky-primary);}
.ky-btn-outline:hover{background:var(--ky-primary-soft);transform:translateY(-2px);}
.ky-btn-light{background:#fff;color:var(--ky-primary-press);}
.ky-btn-light:hover{background:var(--ky-primary-soft);transform:translateY(-2px);}
.ky-btn-ghost{background:transparent;color:var(--ky-primary);padding:0;height:auto;}
.ky-btn-ghost .ky-arrow{transition:transform .2s ease;}
.ky-btn-ghost:hover .ky-arrow{transform:translateX(4px);}
.ky-burger{
  display:none;width:42px;height:42px;border:1px solid var(--ky-border);background:#fff;
  border-radius:12px;padding:0;cursor:pointer;position:relative;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.ky-burger span{display:block;width:18px;height:2px;background:var(--ky-ink);border-radius:2px;}

/* ---------- page head ---------- */
.ky-page-head{position:relative;overflow:hidden;background:var(--ky-primary-soft);border-bottom:1px solid var(--ky-border);}
.ky-page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,var(--ky-primary-soft) 0%,rgba(231,242,239,.94) 44%,rgba(231,242,239,.28) 100%),url('/assets/images/backpic/back-2.webp') right center/cover no-repeat;
}
.ky-page-head-inner{position:relative;z-index:1;padding:40px 0 44px;min-height:210px;display:flex;flex-direction:column;justify-content:center;}
.ky-crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ky-muted);margin-bottom:16px;flex-wrap:wrap;}
.ky-crumb a{color:var(--ky-muted);}
.ky-crumb a:hover{color:var(--ky-primary);}
.ky-crumb span[aria-current]{color:var(--ky-ink);font-weight:600;}
.ky-page-title{
  font-size:clamp(28px,4.4vw,44px);line-height:1.2;font-weight:700;color:var(--ky-ink);
  letter-spacing:-.01em;
}
.ky-page-sub{margin-top:14px;font-size:17px;color:var(--ky-text);max-width:640px;}
.ky-chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.ky-chip{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.86);border:1px solid var(--ky-border);
  font-size:13px;color:var(--ky-text);
}
.ky-chip strong{color:var(--ky-primary);font-variant-numeric:tabular-nums;}

/* ---------- section ---------- */
.ky-section{padding:56px 0;}
.ky-section-head{max-width:720px;margin-bottom:32px;}
.ky-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--ky-primary);
  background:var(--ky-primary-soft);padding:5px 10px;border-radius:999px;margin-bottom:14px;font-weight:600;
}
.ky-h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;color:var(--ky-ink);}
.ky-lead{margin-top:12px;font-size:15.5px;color:var(--ky-muted);}

/* ---------- channels ---------- */
.ky-channels{display:grid;gap:14px;}
.ky-channel{
  display:grid;grid-template-columns:56px auto 1fr;gap:18px;align-items:center;
  background:var(--ky-card);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  padding:18px 22px;box-shadow:var(--ky-shadow);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.ky-channel:hover{box-shadow:var(--ky-shadow-hover);transform:translateY(-2px);border-color:#d3ded9;}
.ky-channel-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--ky-primary-soft);color:var(--ky-primary);
}
.ky-channel-t{font-size:16.5px;font-weight:600;color:var(--ky-ink);white-space:nowrap;}
.ky-channel-d{font-size:14.5px;color:var(--ky-muted);}
.ky-channel-meta{font-size:13px;color:var(--ky-primary);font-weight:600;white-space:nowrap;}

/* ---------- timeline ---------- */
.ky-timeline{position:relative;padding:8px 0;}
.ky-timeline::before{
  content:"";position:absolute;left:27px;top:18px;bottom:18px;width:1px;
  background:linear-gradient(180deg,var(--ky-border),rgba(226,230,227,.2));
}
.ky-tl-item{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);gap:26px;padding-bottom:34px;}
.ky-tl-item:last-child{padding-bottom:0;}
.ky-tl-index{
  width:56px;height:56px;border-radius:16px;background:#fff;border:1px solid var(--ky-border);
  display:grid;place-items:center;font-weight:700;color:var(--ky-primary);
  font-variant-numeric:tabular-nums;box-shadow:var(--ky-shadow);position:relative;z-index:1;
}
.ky-tl-body{padding-top:4px;}
.ky-tl-title{font-size:19px;font-weight:600;color:var(--ky-ink);}
.ky-tl-text{margin-top:8px;font-size:15px;color:var(--ky-text);max-width:760px;}
.ky-tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.ky-tag{
  display:inline-block;font-size:12.5px;padding:4px 10px;border-radius:999px;
  background:var(--ky-primary-soft);color:var(--ky-primary);
}
.ky-tag-amber{background:var(--ky-amber-soft);color:#8A5B12;}

/* ---------- topic finder ---------- */
.ky-finder{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:28px;align-items:stretch;}
.ky-finder-media{
  position:relative;border-radius:var(--ky-r-card);overflow:hidden;border:1px solid var(--ky-border);
  box-shadow:var(--ky-shadow);background:#e9eeeb;min-height:320px;
}
.ky-finder-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.ky-finder-media figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;background:rgba(19,26,24,.72);
  color:#fff;font-size:13.5px;line-height:1.6;padding:12px 14px;border-radius:12px;
}
.ky-topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.ky-topic{
  display:block;background:var(--ky-card);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  padding:20px;box-shadow:var(--ky-shadow);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.ky-topic:hover{box-shadow:var(--ky-shadow-hover);transform:translateY(-2px);border-color:#d3ded9;}
.ky-topic h3{font-size:16px;font-weight:600;color:var(--ky-ink);}
.ky-topic p{margin-top:8px;font-size:14px;color:var(--ky-muted);}
.ky-topic .ky-btn-ghost{margin-top:14px;font-size:14px;}

/* ---------- sla ---------- */
.ky-sla{display:grid;gap:12px;}
.ky-sla-head{
  display:grid;grid-template-columns:1.1fr 1fr 1fr 1.2fr;gap:16px;
  padding:0 22px 8px;font-size:13px;color:var(--ky-muted);letter-spacing:.04em;
}
.ky-sla-row{
  display:grid;grid-template-columns:1.1fr 1fr 1fr 1.2fr;gap:16px;align-items:center;
  background:var(--ky-card);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  padding:20px 22px;box-shadow:var(--ky-shadow);
  transition:box-shadow .22s ease,transform .22s ease;
}
.ky-sla-row:hover{box-shadow:var(--ky-shadow-hover);transform:translateY(-2px);}
.ky-sla-row.is-featured{border-color:var(--ky-primary);box-shadow:0 10px 30px rgba(15,110,92,.14);}
.ky-sla-tier{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:600;color:var(--ky-ink);}
.ky-sla-badge{
  font-size:12px;padding:3px 8px;border-radius:999px;background:var(--ky-amber-soft);color:#8A5B12;font-weight:600;
}
.ky-sla-cell{font-size:14.5px;color:var(--ky-text);font-variant-numeric:tabular-nums;}
.ky-sla-k{display:none;font-size:12.5px;color:var(--ky-muted);margin-right:6px;}

/* ---------- faq ---------- */
.ky-faq{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start;}
.ky-faq-aside{position:sticky;top:96px;}
.ky-faq-aside .ky-h2{font-size:26px;}
.ky-faq-aside p{margin-top:12px;font-size:14.5px;color:var(--ky-muted);}
.ky-faq-list{display:grid;gap:12px;}
.ky-faq-item{
  background:var(--ky-card);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  box-shadow:var(--ky-shadow);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.ky-faq-item.open{border-color:#cfe0da;box-shadow:0 10px 30px rgba(15,110,92,.10);}
.ky-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;cursor:pointer;
  min-height:56px;padding:16px 22px;font-size:16px;font-weight:600;color:var(--ky-ink);
}
.ky-faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--ky-primary-soft);
  color:var(--ky-primary);display:grid;place-items:center;font-size:16px;line-height:1;
  transition:transform .28s ease,background .2s ease;
}
.ky-faq-item.open .ky-faq-icon{transform:rotate(180deg);background:var(--ky-primary);color:#fff;}
.ky-faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;background:#FBFDFC;}
.ky-faq-item.open .ky-faq-a{max-height:400px;}
.ky-faq-a p{padding:4px 22px 22px;font-size:15px;line-height:1.8;color:var(--ky-text);}

/* ---------- cta ---------- */
.ky-cta{position:relative;overflow:hidden;background:var(--ky-primary-press);color:#fff;}
.ky-cta::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,74,62,.95) 0%,rgba(10,74,62,.78) 55%,rgba(10,74,62,.62) 100%),url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.ky-cta-inner{position:relative;z-index:1;padding:72px 0;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:32px;align-items:center;}
.ky-cta h2{font-size:clamp(22px,3vw,30px);line-height:1.3;font-weight:700;color:#fff;}
.ky-cta p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.86);max-width:560px;}
.ky-cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.ky-cta-note{margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.72);text-align:right;}

/* ---------- footer ---------- */
.ky-footer{background:#0F1715;color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0;}
.ky-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.ky-footer .ky-logo{color:#fff;}
.ky-footer .ky-logo-mark{background:linear-gradient(140deg,var(--ky-primary-hover),var(--ky-primary));}
.ky-footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.ky-footer h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.ky-footer ul{display:grid;gap:10px;}
.ky-footer a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease;}
.ky-footer a:hover{color:#fff;}
.ky-footer-contact li{font-size:13.5px;color:rgba(255,255,255,.6);}
.ky-footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .ky-menu{
    position:fixed;top:60px;left:0;right:0;bottom:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:4px;padding:20px 24px 96px;
    margin-left:0;overflow-y:auto;transform:translateY(-8px);
    opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s;
  }
  .ky-menu.open{opacity:1;visibility:visible;transform:translateY(0);}
  .ky-menu a{padding:14px 12px;font-size:16px;border-radius:12px;}
  .ky-menu a.active::after{display:none;}
  .ky-menu a.active{background:var(--ky-primary-soft);}
  .ky-burger{display:flex;}
  .ky-nav{height:60px;gap:16px;}
  .ky-nav-right .ky-link-login{display:none;}
  .ky-page-head-inner{padding:32px 0 36px;min-height:180px;}
  .ky-finder{grid-template-columns:1fr;}
  .ky-finder-media{min-height:220px;}
  .ky-finder-media img{aspect-ratio:16/9;}
  .ky-faq{grid-template-columns:1fr;gap:24px;}
  .ky-faq-aside{position:static;}
  .ky-cta-inner{grid-template-columns:1fr;padding:56px 0;}
  .ky-cta-actions{justify-content:flex-start;}
  .ky-cta-note{text-align:left;}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .ky-container{padding:0 16px;}
  .ky-section{padding:48px 0;}
  .ky-channel{grid-template-columns:44px minmax(0,1fr);grid-template-areas:"icon title" "desc desc";row-gap:10px;}
  .ky-channel-icon{grid-area:icon;width:44px;height:44px;border-radius:12px;}
  .ky-channel-t{grid-area:title;white-space:normal;}
  .ky-channel-d{grid-area:desc;}
  .ky-channel-meta{display:none;}
  .ky-topic-grid{grid-template-columns:1fr;}
  .ky-sla-head{display:none;}
  .ky-sla-row{grid-template-columns:1fr;gap:10px;padding:18px;}
  .ky-sla-k{display:inline;}
  .ky-tl-item{grid-template-columns:44px minmax(0,1fr);gap:16px;padding-bottom:28px;}
  .ky-tl-index{width:44px;height:44px;border-radius:12px;font-size:15px;}
  .ky-timeline::before{left:21px;}
  .ky-footer-grid{grid-template-columns:1fr;}
  .ky-footer-bottom{flex-direction:column;gap:8px;}
  .ky-page-sub{font-size:15.5px;}
}
@media (max-width:520px){
  .ky-logo-text{font-size:15.5px;}
  .ky-btn{padding:0 16px;font-size:14.5px;}
  .ky-btn-pill{padding:0 16px;font-size:14px;}
  .ky-chip{font-size:12px;}
  .ky-faq-q{font-size:15px;padding:14px 16px;}
  .ky-faq-a p{padding:2px 16px 18px;font-size:14.5px;}
  .ky-cta-inner{padding:48px 0;}
}