/* roulang page: index */
:root{
  --c-primary:#0E8F7E;
  --c-primary-deep:#08463C;
  --c-primary-light:#E6F6F1;
  --c-accent:#FF6B4A;
  --c-ink:#101C1A;
  --c-text2:#40514E;
  --c-text3:#7A8A87;
  --c-line:#E7E1D6;
  --c-bg:#FAF7F2;
  --c-surface:#FFFFFF;
  --grad-brand:linear-gradient(118deg,#0E8F7E 0%,#2DBE8C 55%,#A9E56B 100%);
  --grad-accent:linear-gradient(118deg,#FF7A45 0%,#FF5A3C 100%);
  --sh-1:0 4px 14px rgba(8,70,60,.06);
  --sh-2:0 10px 28px rgba(8,70,60,.10);
  --sh-3:0 18px 44px rgba(8,70,60,.16);
  --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:28px; --r-pill:999px;
  --bs-primary:#0E8F7E;
  --bs-body-color:#101C1A;
  --bs-body-bg:#FAF7F2;
  --bs-border-radius:16px;
  --bs-link-color:#0E8F7E;
  --bs-link-hover-color:#FF6B4A;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.1em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(14,143,126,.35);outline-offset:2px;border-radius:6px;}
.ky-container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.ky-section{padding:96px 0;}
.ky-section--tight{padding:72px 0;}
.ky-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-primary-light);color:var(--c-primary-deep);
  font-size:13px;font-weight:700;letter-spacing:.04em;
  padding:7px 16px;border-radius:var(--r-pill);
}
.ky-h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.25;}
.ky-h3{font-size:20px;font-weight:700;line-height:1.4;}
.ky-lead{font-size:16px;color:var(--c-text2);max-width:660px;}
.ky-sechd{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.ky-sechd .ky-h2{position:relative;padding-bottom:14px;}
.ky-sechd .ky-h2::after{
  content:"";position:absolute;left:0;bottom:0;width:64px;height:4px;border-radius:4px;
  background:var(--grad-brand);
}
/* ---------- header ---------- */
.ky-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s ease,height .22s ease;
}
.ky-header.is-scrolled{box-shadow:var(--sh-2);}
.ky-header-inner{
  height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .22s ease;
}
.ky-header.is-scrolled .ky-header-inner{height:64px;}
.ky-logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;}
.ky-logo:hover{color:var(--c-ink);}
.ky-logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;flex:0 0 auto;box-shadow:var(--sh-1);
}
.ky-logo span{white-space:nowrap;}
.ky-nav{display:flex;align-items:center;gap:6px;}
.ky-nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--c-text2);border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
}
.ky-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:center;transition:transform .2s ease;
}
.ky-nav-link:hover{color:var(--c-primary);}
.ky-nav-link:hover::after{transform:scaleX(1);}
.ky-nav-link.is-active{color:var(--c-primary-deep);font-weight:700;background:var(--c-primary-light);}
.ky-nav-link.is-active::after{transform:scaleX(1);}
.ky-header-cta{display:flex;align-items:center;gap:12px;}
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.ky-btn:active{transform:translateY(1px);}
.ky-btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-2);}
.ky-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);}
.ky-btn-ghost{background:#fff;color:var(--c-primary-deep);border-color:#CFE3DD;}
.ky-btn-ghost:hover{color:var(--c-primary-deep);border-color:var(--c-primary);background:var(--c-primary-light);}
.ky-btn-accent{background:var(--grad-accent);color:#fff;box-shadow:var(--sh-2);}
.ky-btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);}
.ky-btn-lg{height:52px;padding:0 28px;font-size:16px;}
.ky-btn[disabled],.ky-btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;}
.ky-burger{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;align-items:center;justify-content:center;
}
.ky-offcanvas{width:84vw;max-width:360px;border:0;}
.ky-offcanvas .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px;}
.ky-offcanvas .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:6px;}
.ky-drawer-link{font-size:18px;font-weight:600;color:var(--c-text2);padding:12px 10px;border-radius:12px;}
.ky-drawer-link:hover{background:var(--c-primary-light);color:var(--c-primary-deep);}
.ky-drawer-link.is-active{background:var(--c-primary-light);color:var(--c-primary-deep);font-weight:700;}
.ky-drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--c-line);}
/* ---------- countdown ---------- */
.ky-countdown{background:var(--c-primary-deep);color:#fff;}
.ky-countdown-inner{
  min-height:64px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;
}
.ky-countdown-label{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;}
.ky-countdown-label svg{opacity:.85;}
.ky-clock{display:flex;align-items:center;gap:8px;}
.ky-clock-box{
  min-width:48px;padding:6px 0;text-align:center;border-radius:10px;
  background:rgba(255,255,255,.14);color:#fff;font-size:16px;font-weight:700;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.ky-clock-sep{font-weight:700;color:rgba(255,255,255,.6);}
.ky-clock-done{font-size:14px;font-weight:700;color:#FFD9CF;}
.ky-countdown-right{display:flex;align-items:center;gap:12px;}
/* ---------- hero ---------- */
.ky-hero{position:relative;overflow:hidden;padding:80px 0 88px;background:var(--c-bg);}
.ky-hero::before,.ky-hero::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(80px);opacity:.08;z-index:0;
}
.ky-hero::before{background:var(--grad-brand);top:-120px;right:-80px;}
.ky-hero::after{background:var(--grad-brand);bottom:-160px;left:-120px;}
.ky-hero .ky-container{position:relative;z-index:1;}
.ky-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.ky-hero h1{
  font-size:clamp(30px,5vw,48px);font-weight:800;line-height:1.2;letter-spacing:-.02em;margin:20px 0 16px;
}
.ky-hero-sub{font-size:17px;color:var(--c-text2);max-width:520px;margin-bottom:28px;}
.ky-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.ky-stats{display:flex;flex-wrap:wrap;gap:12px;}
.ky-stat{
  background:rgba(255,255,255,.75);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:12px 18px;min-width:120px;box-shadow:var(--sh-1);
}
.ky-stat b{display:block;font-size:20px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.ky-stat span{font-size:12px;color:var(--c-text3);font-weight:600;}
.ky-hero-media{position:relative;}
.ky-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-3);
}
.ky-float-card{
  position:absolute;left:-24px;bottom:-24px;width:150px;
  background:#fff;border-radius:var(--r-lg);padding:16px 18px;box-shadow:var(--sh-3);
}
.ky-float-card b{display:block;font-size:24px;font-weight:800;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;}
.ky-float-card span{font-size:12px;color:var(--c-text3);font-weight:600;}
/* ---------- features ---------- */
.ky-feature-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:stretch;}
.ky-feature-main{
  background:var(--c-primary-deep);color:#fff;border-radius:var(--r-xl);
  padding:40px;display:flex;flex-direction:column;justify-content:space-between;gap:24px;
  background-image:linear-gradient(160deg,rgba(14,143,126,.92),rgba(8,70,60,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.ky-feature-main h3{font-size:24px;font-weight:800;line-height:1.35;margin-bottom:12px;}
.ky-feature-main p{font-size:15px;color:rgba(255,255,255,.85);}
.ky-icon-box{
  width:44px;height:44px;border-radius:14px;background:rgba(255,255,255,.16);
  display:grid;place-items:center;color:#fff;margin-bottom:18px;
}
.ky-feature-rows{display:flex;flex-direction:column;gap:16px;}
.ky-feature-row{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.ky-feature-row:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.ky-feature-row .ky-icon-box{background:var(--c-primary-light);color:var(--c-primary-deep);margin:0;}
.ky-feature-row h3{font-size:17px;font-weight:700;margin-bottom:4px;}
.ky-feature-row p{font-size:14px;color:var(--c-text2);line-height:1.7;}
.ky-pill{
  display:inline-block;background:var(--c-primary-light);color:var(--c-primary-deep);
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:var(--r-pill);
}
.ky-feature-main .ky-pill{background:rgba(255,255,255,.18);color:#fff;}
/* ---------- wall ---------- */
.ky-wall{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:112px;gap:16px;grid-auto-flow:dense;}
.ky-wall-item{position:relative;overflow:hidden;border-radius:var(--r-md);margin:0;}
.ky-wall-item:nth-child(1){grid-row:span 3;}
.ky-wall-item:nth-child(2){grid-row:span 2;}
.ky-wall-item:nth-child(3){grid-row:span 2;}
.ky-wall-item:nth-child(4){grid-row:span 3;}
.ky-wall-item:nth-child(5){grid-row:span 2;}
.ky-wall-item:nth-child(6){grid-row:span 2;}
.ky-wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .26s ease;}
.ky-wall-item:hover img{transform:scale(1.04);}
.ky-wall-cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(to top,rgba(8,70,60,.82),rgba(8,70,60,0));
  opacity:0;transform:translateY(8px);transition:opacity .26s ease,transform .26s ease;
}
.ky-wall-item:hover .ky-wall-cap{opacity:1;transform:translateY(0);}
/* ---------- cta / form ---------- */
.ky-cta{
  background-image:linear-gradient(160deg,rgba(8,70,60,.94),rgba(8,70,60,.88)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;color:#fff;
}
.ky-cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.ky-cta h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;margin-bottom:16px;letter-spacing:-.01em;}
.ky-cta p{color:rgba(255,255,255,.85);font-size:16px;margin-bottom:24px;}
.ky-check-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px;}
.ky-check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.92);}
.ky-check-dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1.5px solid rgba(169,229,107,.85);
  display:grid;place-items:center;margin-top:3px;color:#A9E56B;
}
.ky-form-card{background:#fff;border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-3);color:var(--c-ink);}
.ky-form-card h3{font-size:20px;font-weight:800;margin-bottom:6px;}
.ky-form-card .ky-form-tip{font-size:13px;color:var(--c-text3);margin-bottom:22px;}
.ky-field{margin-bottom:18px;}
.ky-field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-text2);}
.ky-input,.ky-select,.ky-textarea{
  width:100%;height:48px;border:1px solid var(--c-line);border-radius:12px;padding:0 16px;
  font-size:15px;color:var(--c-ink);background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.ky-textarea{height:auto;padding:12px 16px;line-height:1.7;resize:vertical;}
.ky-input:focus,.ky-select:focus,.ky-textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(14,143,126,.18);
}
.ky-field.is-error .ky-input,.ky-field.is-error .ky-select{border-color:var(--c-accent);}
.ky-error-msg{display:none;font-size:13px;color:var(--c-accent);margin-top:6px;font-weight:600;}
.ky-field.is-error .ky-error-msg{display:block;}
.ky-check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--c-text2);}
.ky-check input{margin-top:4px;width:18px;height:18px;accent-color:var(--c-primary);}
.ky-form-actions{display:flex;justify-content:flex-end;margin-top:24px;}
.ky-form-actions .ky-btn{min-width:200px;}
.ky-form-ok{
  display:none;margin-top:16px;background:var(--c-primary-light);color:var(--c-primary-deep);
  border-radius:12px;padding:12px 16px;font-size:14px;font-weight:600;
}
.ky-form-ok.is-show{display:block;}
/* ---------- faq ---------- */
.ky-faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;
}
.ky-faq-item:hover{border-color:rgba(14,143,126,.3);}
.ky-faq-item .accordion-button{
  background:#fff;font-size:16px;font-weight:700;color:var(--c-ink);padding:18px 20px;
  box-shadow:none;border:0;gap:12px;
}
.ky-faq-item .accordion-button:not(.collapsed){color:var(--c-primary-deep);background:#fff;}
.ky-faq-item .accordion-button::after{
  content:"";width:12px;height:12px;border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);background:none;transition:transform .22s ease;flex:0 0 auto;
}
.ky-faq-item .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.ky-faq-item .accordion-button:focus{box-shadow:none;}
.ky-faq-body{padding:0 20px 20px;font-size:15px;color:var(--c-text2);line-height:1.85;}
.ky-faq-item.is-open{position:relative;}
.ky-faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);
}
.ky-side-card{
  background:var(--c-primary-light);border-radius:var(--r-lg);padding:28px;position:sticky;top:110px;
}
.ky-side-card h3{font-size:18px;font-weight:800;color:var(--c-primary-deep);margin-bottom:10px;}
.ky-side-card p{font-size:14px;color:var(--c-text2);margin-bottom:20px;}
/* ---------- news ---------- */
.ky-tabs{display:flex;flex-wrap:wrap;gap:10px;}
.ky-tab{
  font-size:14px;font-weight:600;color:var(--c-text2);background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:8px 18px;transition:all .2s ease;
}
.ky-tab:hover{border-color:var(--c-primary);color:var(--c-primary);}
.ky-tab.is-active{background:var(--c-primary-light);border-color:transparent;color:var(--c-primary-deep);font-weight:700;}
.ky-more-link{font-size:14px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.ky-more-link svg{transition:transform .2s ease;}
.ky-more-link:hover svg{transform:translateX(4px);}
.ky-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.ky-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.ky-card-cover{position:relative;overflow:hidden;}
.ky-card-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .26s ease;}
.ky-card:hover .ky-card-cover img{transform:scale(1.03);}
.ky-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.ky-card-title{font-size:17px;font-weight:700;line-height:1.5;color:var(--c-ink);}
.ky-card-title a{color:inherit;}
.ky-card-title a:hover{color:var(--c-primary);}
.ky-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ky-clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.ky-card-sum{font-size:14px;color:var(--c-text2);line-height:1.7;}
.ky-card-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text3);font-weight:600;}
.ky-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
.ky-readmore{font-size:14px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.ky-readmore svg{transition:transform .2s ease;}
.ky-readmore:hover svg{transform:translateX(4px);}
.ky-empty{
  text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);
}
.ky-empty svg{margin-bottom:14px;color:var(--c-text3);}
.ky-empty p{font-size:15px;color:var(--c-text2);margin-bottom:18px;}
/* ---------- footer ---------- */
.ky-footer{background:var(--c-primary-deep);color:#fff;position:relative;}
.ky-footer::before{content:"";display:block;height:4px;background:var(--grad-brand);}
.ky-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
.ky-footer h4{font-size:15px;font-weight:700;margin-bottom:18px;color:#fff;}
.ky-footer p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.8;}
.ky-footer .ky-logo{color:#fff;}
.ky-footer .ky-logo:hover{color:#fff;}
.ky-footer-links{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;}
.ky-footer-links a{
  font-size:14px;color:rgba(255,255,255,.78);display:inline-block;transition:color .2s ease,transform .2s ease;
}
.ky-footer-links a:hover{color:#fff;transform:translateX(2px);}
.ky-social{display:flex;gap:10px;margin-top:18px;}
.ky-social span{
  width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.12);
  display:grid;place-items:center;color:rgba(255,255,255,.85);
}
.ky-footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:18px 0;font-size:13px;color:rgba(255,255,255,.6);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
}
/* ---------- back to top ---------- */
.ky-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--grad-brand);color:#fff;border:0;display:grid;place-items:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1040;
}
.ky-top.is-show{opacity:1;visibility:visible;}
.ky-top:hover{color:#fff;transform:translateY(-3px);}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .ky-wall{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991px){
  .ky-nav{display:none;}
  .ky-burger{display:inline-flex;}
  .ky-header-cta .ky-btn-ghost{display:none;}
  .ky-section{padding:72px 0;}
  .ky-hero{padding:56px 0 64px;}
  .ky-hero-grid{grid-template-columns:1fr;gap:40px;}
  .ky-hero-media{order:-1;}
  .ky-float-card{left:auto;right:12px;bottom:-18px;width:132px;}
  .ky-feature-grid{grid-template-columns:1fr;}
  .ky-cta-grid{grid-template-columns:1fr;gap:36px;}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px;}
  .ky-wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:130px;}
}
@media (max-width:575px){
  .ky-container{padding:0 16px;}
  .ky-section,.ky-section--tight{padding:56px 0;}
  .ky-header-inner{height:64px;}
  .ky-hero h1{font-size:30px;}
  .ky-hero-sub{font-size:15px;}
  .ky-stat{min-width:calc(50% - 6px);padding:10px 14px;}
  .ky-countdown-inner{min-height:56px;justify-content:center;text-align:center;}
  .ky-countdown-label{font-size:14px;justify-content:center;}
  .ky-clock-box{min-width:40px;font-size:14px;padding:4px 0;}
  .ky-wall{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;padding-bottom:8px;}
  .ky-wall::-webkit-scrollbar{display:none;}
  .ky-wall-item{flex:0 0 78%;height:220px;scroll-snap-align:start;}
  .ky-feature-main{padding:26px;}
  .ky-feature-row{padding:18px;}
  .ky-form-card{padding:22px;}
  .ky-form-actions{justify-content:stretch;}
  .ky-form-actions .ky-btn{width:100%;}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px;}
  .ky-side-card{position:static;}
  .ky-sechd{margin-bottom:28px;}
  .ky-top{right:16px;bottom:20px;}
}

/* roulang page: article */
:root{
  --c-primary:#0E8F7E;
  --c-primary-deep:#08463C;
  --c-primary-light:#E6F6F1;
  --c-accent:#FF6B4A;
  --c-ink:#101C1A;
  --c-ink-2:#40514E;
  --c-ink-3:#7A8A87;
  --c-line:#E7E1D6;
  --c-bg:#FAF7F2;
  --c-card:#FFFFFF;
  --grad-brand:linear-gradient(118deg,#0E8F7E 0%,#2DBE8C 55%,#A9E56B 100%);
  --grad-accent:linear-gradient(118deg,#FF7A45 0%,#FF5A3C 100%);
  --sh-1:0 4px 14px rgba(8,70,60,.06);
  --sh-2:0 10px 28px rgba(8,70,60,.10);
  --sh-3:0 18px 44px rgba(8,70,60,.16);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --bs-primary:#0E8F7E;
  --bs-body-color:#101C1A;
  --bs-body-font-family:-apple-system,"PingFang SC","MiSino Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-border-radius:14px;
  --bs-link-color:#0E8F7E;
  --bs-link-hover-color:#FF6B4A;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","MiSino Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--c-ink)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(14,143,126,.35);outline-offset:2px;border-radius:6px}
.ky-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1200px){.ky-container{max-width:1320px}}

/* ---------- header / nav ---------- */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s ease;
  backdrop-filter:blur(6px);
}
.ky-header.is-scrolled{box-shadow:var(--sh-2)}
.ky-header-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .22s ease}
.ky-header.is-scrolled .ky-header-inner{height:64px}
.ky-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;
  flex:0 0 auto;
}
.ky-logo:hover{color:var(--c-ink)}
.ky-logo-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(14,143,126,.24);
}
.ky-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.ky-nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-ink-2);
  transition:color .2s ease,background .2s ease;
}
.ky-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--grad-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease;
}
.ky-nav-link:hover{color:var(--c-primary);background:var(--c-primary-light)}
.ky-nav-link:hover::after{transform:scaleX(1)}
.ky-nav-link.is-active{color:var(--c-primary);font-weight:700;background:var(--c-primary-light)}
.ky-header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.ky-burger{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--c-line);
  background:#fff;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .2s ease,background .2s ease;
}
.ky-burger:hover{border-color:var(--c-primary);background:var(--c-primary-light)}
@media (max-width:991.98px){
  .ky-nav{display:none}
  .ky-header-actions .ky-btn-ghost{display:none}
}
@media (max-width:575.98px){
  .ky-header-inner{gap:12px;height:68px}
  .ky-logo{font-size:17px}
  .ky-header-actions .ky-btn-primary{display:none}
}

/* ---------- buttons ---------- */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.ky-btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(14,143,126,.24)}
.ky-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,143,126,.28)}
.ky-btn-primary:active{transform:translateY(1px)}
.ky-btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.ky-btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-light)}
.ky-btn-ghost:active{transform:translateY(1px)}
.ky-btn-sm{height:44px;padding:0 20px;font-size:14px}
.ky-btn-block{width:100%}
.ky-btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- badges ---------- */
.ky-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-light);color:var(--c-primary);
  font-size:13px;font-weight:600;line-height:1.5;white-space:nowrap;
}
.ky-badge-accent{background:rgba(255,107,74,.12);color:var(--c-accent)}
.ky-tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);
  font-size:13px;font-weight:600;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.ky-tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-light)}

/* ---------- drawer ---------- */
.ky-drawer{width:84vw;max-width:360px;border:0;background:var(--c-bg)}
.ky-drawer .offcanvas-header{padding:20px 22px;border-bottom:1px solid var(--c-line)}
.ky-drawer .offcanvas-body{padding:20px 22px;display:flex;flex-direction:column;gap:8px}
.ky-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;border-radius:var(--r-md);
  font-size:18px;font-weight:700;color:var(--c-ink);background:#fff;border:1px solid var(--c-line);
}
.ky-drawer-link:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-light)}
.ky-drawer-link.is-active{background:var(--c-primary-light);color:var(--c-primary);border-color:rgba(14,143,126,.3)}
.ky-drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--c-line)}

/* ---------- breadcrumb ---------- */
.ky-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:20px 0 0;font-size:14px;color:var(--c-ink-3);
}
.ky-breadcrumb a{color:var(--c-ink-3)}
.ky-breadcrumb a:hover{color:var(--c-primary)}
.ky-breadcrumb .ky-sep{color:var(--c-line)}
.ky-breadcrumb .is-current{color:var(--c-primary);font-weight:600}

/* ---------- article head ---------- */
.ky-article-head{padding:0 0 32px}
.ky-kicker{
  margin:24px 0 12px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);text-transform:uppercase;
}
.ky-article-title{
  font-size:clamp(29px,4.2vw,44px);
  line-height:1.22;font-weight:800;letter-spacing:-.02em;
  max-width:900px;
}
.ky-article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:20px;padding-top:18px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}
.ky-meta-item{display:inline-flex;align-items:center;gap:6px}
.ky-meta-item svg{color:var(--c-primary)}
.ky-share{margin-left:auto;display:inline-flex;align-items:center;gap:8px}
.ky-share-btn{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--c-line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink-2);cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.ky-share-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-light);transform:translateY(-2px)}
@media (max-width:767.98px){
  .ky-article-head{padding-bottom:24px}
  .ky-share{margin-left:0;width:100%}
}

/* ---------- layout ---------- */
.ky-main{padding-bottom:96px}
.ky-layout{display:block}
.ky-content-col{min-width:0}
.ky-panel{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:32px;
}
.ky-article-body{max-width:780px;color:var(--c-ink)}
.ky-article-body>*:first-child{margin-top:0}
.ky-article-body p{font-size:16.5px;color:#1A2725}
.ky-article-body h2{
  position:relative;margin:44px 0 18px;padding-left:18px;
  font-size:clamp(21px,2.5vw,26px);line-height:1.4;font-weight:800;
}
.ky-article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:6px;
  border-radius:4px;background:var(--grad-brand);
}
.ky-article-body h3{margin:32px 0 12px;font-size:19px;font-weight:700}
.ky-article-body ul,.ky-article-body ol{margin:0 0 20px;padding-left:4px;list-style:none}
.ky-article-body li{position:relative;padding-left:22px;margin-bottom:10px;font-size:16px;color:#1A2725}
.ky-article-body li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:3px;
  background:var(--grad-brand);
}
.ky-article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--c-primary);
  background:var(--c-primary-light);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-ink-2);font-size:15.5px;
}
.ky-article-body img{border-radius:var(--r-md);margin:24px auto;box-shadow:var(--sh-1)}
.ky-article-body figure{margin:24px 0}
.ky-article-body figcaption,.ky-article-body .ky-caption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--c-ink-3);
}
.ky-article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.ky-article-body a:hover{color:var(--c-accent)}
.ky-article-body table{
  width:100%;margin:24px 0;border-collapse:separate;border-spacing:0;
  border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;font-size:15px;
}
.ky-article-body th,.ky-article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--c-line)}
.ky-article-body th{background:var(--c-primary-light);font-weight:700;color:var(--c-primary-deep)}
.ky-article-body tr:nth-child(even) td{background:#FCFAF7}
.ky-article-body tr:last-child td{border-bottom:0}
.ky-divider{
  display:flex;align-items:center;justify-content:center;gap:12px;
  margin:40px 0;
}
.ky-divider::before,.ky-divider::after{content:"";height:1px;flex:1;background:var(--c-line)}
.ky-divider span{width:8px;height:8px;border-radius:2px;background:var(--grad-brand);transform:rotate(45deg)}
@media (max-width:767.98px){
  .ky-panel{padding:18px}
  .ky-article-body h2{margin:32px 0 14px}
}

/* ---------- empty state ---------- */
.ky-empty{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:56px 24px;text-align:center;
}
.ky-empty svg{color:var(--c-ink-3)}
.ky-empty p{color:var(--c-ink-2);font-size:15px;margin:0}

/* ---------- side column ---------- */
.ky-side{display:flex;flex-direction:column;gap:20px}
.ky-side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:24px;
}
.ky-side-card.is-tint{background:var(--c-primary-light);border-color:rgba(14,143,126,.18)}
.ky-side-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.ky-side-card p{font-size:14px;color:var(--c-ink-2);line-height:1.75}
.ky-side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.ky-side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:var(--r-md);background:#fff;border:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-ink-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.ky-side-list a:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateX(3px)}
.ky-sticky{position:sticky;top:96px}
@media (max-width:991.98px){.ky-sticky{position:static}}

/* ---------- article foot action ---------- */
.ky-article-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:40px;padding-top:28px;border-top:1px solid var(--c-line);
}
.ky-article-foot .ky-foot-note{margin-left:auto;font-size:13px;color:var(--c-ink-3)}
@media (max-width:575.98px){
  .ky-article-foot .ky-btn{width:100%}
  .ky-article-foot .ky-foot-note{margin-left:0;width:100%}
}

/* ---------- related ---------- */
.ky-related{padding:88px 0 0}
.ky-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.ky-section-head h2{font-size:clamp(23px,3.2vw,32px);font-weight:800}
.ky-section-head p{margin:8px 0 0;font-size:14px;color:var(--c-ink-2)}
.ky-scroll{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,1fr);
  gap:20px;overflow-x:auto;padding-bottom:8px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.ky-scroll::-webkit-scrollbar{display:none}
.ky-scroll>*{scroll-snap-align:start}
@media (min-width:992px){
  .ky-scroll{grid-auto-flow:row;grid-template-columns:repeat(3,1fr);overflow:visible}
}
.ky-card{
  display:flex;flex-direction:column;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.ky-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,143,126,.28)}
.ky-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-light)}
.ky-card-media img{width:100%;height:100%;transition:transform .26s ease}
.ky-card:hover .ky-card-media img{transform:scale(1.03)}
.ky-card-media .ky-card-badge{position:absolute;left:14px;top:14px}
.ky-card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.ky-card-title{font-size:18px;font-weight:700;line-height:1.5;color:var(--c-ink)}
.ky-card-text{font-size:14px;line-height:1.7;color:var(--c-ink-2)}
.ky-card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}
.ky-link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-primary);
}
.ky-link-arrow svg{transition:transform .2s ease}
.ky-link-arrow:hover svg{transform:translateX(4px)}

/* ---------- back to top ---------- */
.ky-top{
  position:fixed;right:24px;bottom:28px;z-index:1040;
  width:48px;height:48px;border-radius:50%;border:0;
  background:var(--grad-brand);color:#fff;box-shadow:var(--sh-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.ky-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.ky-top:hover{transform:translateY(-3px)}

/* ---------- footer ---------- */
.ky-footer{
  position:relative;background:var(--c-primary-deep);color:#fff;
  padding:72px 0 28px;margin-top:88px;
}
.ky-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-brand);
}
.ky-footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
}
.ky-footer .ky-logo{color:#fff}
.ky-footer .ky-logo :is(span:last-child){color:#fff}
.ky-footer h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
.ky-footer p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.75}
.ky-footer-links{list-style:none;display:flex;flex-direction:column;gap:12px}
.ky-footer-links a{
  font-size:14px;color:rgba(255,255,255,.78);
  transition:color .2s ease,transform .2s ease;display:inline-block;
}
.ky-footer-links a:hover{color:#fff;transform:translateX(-2px)}
.ky-social{display:flex;gap:10px;margin-top:18px}
.ky-social span{
  width:44px;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.22);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.82);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.ky-social span:hover{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.08)}
.ky-footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (max-width:991.98px){
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575.98px){
  .ky-footer{padding:56px 0 24px;margin-top:56px}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px}
  .ky-related{padding-top:56px}
  .ky-top{right:16px;bottom:16px}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E8F7E;
  --c-primary-deep:#08463C;
  --c-primary-light:#E6F6F1;
  --c-accent:#FF6B4A;
  --c-ink:#101C1A;
  --c-sub:#40514E;
  --c-muted:#7A8A87;
  --c-line:#E7E1D6;
  --c-bg:#FAF7F2;
  --c-card:#FFFFFF;
  --grad-brand:linear-gradient(118deg,#0E8F7E 0%,#2DBE8C 52%,#A9E56B 100%);
  --grad-accent:linear-gradient(118deg,#FF7A45 0%,#FF5A3C 100%);
  --sh-1:0 4px 14px rgba(8,70,60,.06);
  --sh-2:0 10px 28px rgba(8,70,60,.10);
  --sh-3:0 18px 44px rgba(8,70,60,.16);
  --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:28px; --r-pill:999px;
  --bs-primary:#0E8F7E;
  --bs-body-color:#101C1A;
  --bs-body-bg:#FAF7F2;
  --bs-border-radius:16px;
  --bs-link-color:#0E8F7E;
  --bs-link-hover-color:#08463C;
  --bs-font-sans-serif:-apple-system,"PingFang SC","MiSino Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","MiSino Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
:focus-visible{outline:3px solid rgba(14,143,126,.35);outline-offset:2px;border-radius:6px;}
::selection{background:var(--c-primary-light);color:var(--c-primary-deep);}

.ky-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1200px){
  .ky-container{max-width:1320px;}
}

/* ---------- 头部导航 ---------- */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s ease;
}
.ky-header.is-scrolled{box-shadow:var(--sh-2);}
.ky-header-inner{
  height:76px;
  display:flex;align-items:center;gap:20px;
  transition:height .22s ease;
}
.ky-header.is-scrolled .ky-header-inner{height:64px;}
.ky-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--c-primary-deep);
  letter-spacing:-.02em;white-space:nowrap;
}
.ky-logo:hover{color:var(--c-primary);}
.ky-logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;flex:0 0 auto;
  box-shadow:0 6px 14px rgba(14,143,126,.28);
}
.ky-nav{
  display:flex;align-items:center;gap:6px;
  margin-left:28px;
}
.ky-nav-link{
  position:relative;
  padding:9px 14px;
  font-size:15px;font-weight:600;color:var(--c-sub);
  border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
}
.ky-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--grad-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease;
}
.ky-nav-link:hover{color:var(--c-primary);}
.ky-nav-link:hover::after{transform:scaleX(1);}
.ky-nav-link.is-active{
  color:var(--c-primary-deep);font-weight:700;
  background:var(--c-primary-light);
}
.ky-nav-link.is-active::after{transform:scaleX(1);}
.ky-header-actions{
  margin-left:auto;display:flex;align-items:center;gap:10px;
}
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.ky-btn-primary{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 8px 20px rgba(14,143,126,.28);
}
.ky-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,143,126,.34);}
.ky-btn-primary:active{transform:translateY(1px);}
.ky-btn-outline{
  background:#fff;color:var(--c-primary-deep);
  border-color:rgba(14,143,126,.35);
}
.ky-btn-outline:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-light);}
.ky-btn-accent{
  background:var(--grad-accent);color:#fff;
  box-shadow:0 8px 20px rgba(255,90,60,.26);
}
.ky-btn-accent:hover{color:#fff;transform:translateY(-2px);}
.ky-burger{
  width:44px;height:44px;display:none;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:14px;background:#fff;color:var(--c-primary-deep);
  cursor:pointer;
}
.ky-burger:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* 移动端抽屉 */
.offcanvas.ky-drawer{
  width:84vw;max-width:360px;
  background:#fff;border-left:1px solid var(--c-line);
}
.offcanvas-backdrop.show{opacity:.55;background:rgba(8,70,60,.45);}
.ky-drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--c-line);
}
.ky-drawer-body{padding:18px 20px 24px;display:flex;flex-direction:column;gap:8px;height:calc(100% - 74px);}
.ky-drawer-link{
  display:block;padding:14px 12px;border-radius:var(--r-md);
  font-size:18px;font-weight:600;color:var(--c-sub);
}
.ky-drawer-link:hover{background:var(--c-primary-light);color:var(--c-primary-deep);}
.ky-drawer-link.is-active{background:var(--c-primary-light);color:var(--c-primary-deep);font-weight:700;}
.ky-drawer-cta{margin-top:auto;padding-top:20px;border-top:1px solid var(--c-line);}
.ky-drawer-cta .ky-btn{width:100%;}

/* ---------- 页头 ---------- */
.ky-pagehero{
  position:relative;overflow:hidden;
  min-height:300px;
  display:flex;align-items:center;
  border-radius:0 0 var(--r-xl) var(--r-xl);
  background:var(--c-primary-deep);
}
.ky-pagehero-media{position:absolute;inset:0;}
.ky-pagehero-media img{
  width:100%;height:100%;object-fit:cover;aspect-ratio:16/6;
  opacity:.62;
}
.ky-pagehero-mask{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(8,70,60,.92) 0%,rgba(8,70,60,.72) 55%,rgba(8,70,60,.55) 100%);
}
.ky-pagehero-inner{position:relative;z-index:2;padding:64px 0;color:#fff;}
.ky-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.78);margin-bottom:18px;
}
.ky-crumb a{color:rgba(255,255,255,.86);}
.ky-crumb a:hover{color:#fff;}
.ky-crumb span.sep{color:rgba(255,255,255,.45);}
.ky-crumb .cur{color:#fff;font-weight:600;}
.ky-pagehero h1{
  color:#fff;
  font-size:clamp(30px,5vw,48px);
  font-weight:800;line-height:1.2;letter-spacing:-.02em;
  max-width:900px;
}
.ky-pagehero p{
  margin-top:18px;max-width:720px;
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.9);
}
.ky-hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.ky-hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:13px;font-weight:600;
}
.ky-hero-badge b{font-variant-numeric:tabular-nums;font-size:15px;color:#B9F0A5;}

/* ---------- 主体 ---------- */
.ky-section{padding:88px 0;}
.ky-section-tight{padding:56px 0 88px;}

.ky-eyebrow{
  display:inline-block;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-light);color:var(--c-primary-deep);
  font-size:13px;font-weight:700;margin-bottom:16px;
}
.ky-h2{
  font-size:clamp(24px,3.4vw,34px);
  font-weight:800;line-height:1.25;letter-spacing:-.02em;
}
.ky-h2-bar{
  width:56px;height:5px;border-radius:3px;background:var(--grad-brand);margin-top:16px;
}
.ky-lead{margin-top:16px;color:var(--c-sub);max-width:760px;}

/* 侧栏目录 */
.ky-toc{
  position:sticky;top:104px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:22px 20px;
}
.ky-toc h3{
  font-size:15px;font-weight:800;color:var(--c-primary-deep);
  padding-bottom:12px;margin-bottom:10px;border-bottom:1px solid var(--c-line);
}
.ky-toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;}
.ky-toc-list a{
  position:relative;display:block;
  padding:10px 12px 10px 16px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--c-sub);
  transition:background .2s ease,color .2s ease,padding .2s ease;
}
.ky-toc-list a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(.3);
  width:3px;height:18px;border-radius:2px;background:var(--grad-brand);
  opacity:0;transition:opacity .2s ease,transform .2s ease;
}
.ky-toc-list a:hover{background:var(--c-primary-light);color:var(--c-primary-deep);}
.ky-toc-list a:hover::before{opacity:1;transform:translateY(-50%) scaleY(1);}
.ky-toc-list a.is-current{background:var(--c-primary-light);color:var(--c-primary-deep);font-weight:700;}
.ky-toc-list a.is-current::before{opacity:1;transform:translateY(-50%) scaleY(1);}
.ky-toc-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-line);
  font-size:13px;line-height:1.7;color:var(--c-muted);
}

/* 步骤 */
.ky-steps{position:relative;margin-top:8px;}
.ky-step{
  position:relative;
  display:flex;gap:24px;
  padding:0 0 40px 0;
}
.ky-step:last-child{padding-bottom:0;}
.ky-step::before{
  content:"";position:absolute;left:23px;top:52px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(14,143,126,.35),rgba(14,143,126,.05));
}
.ky-step:last-child::before{display:none;}
.ky-step-num{
  flex:0 0 auto;width:48px;height:48px;border-radius:16px;
  background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;
  z-index:1;
}
.ky-step-body{padding-top:2px;}
.ky-step-body h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.ky-step-body p{color:var(--c-sub);font-size:15px;margin:0;}
.ky-step-tag{
  display:inline-block;margin-top:12px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:12px;font-weight:600;color:var(--c-muted);
}

/* 图文交替 */
.ky-feature{
  display:grid;grid-template-columns:1fr 1fr;
  gap:48px;align-items:center;
  margin-top:24px;
}
.ky-feature + .ky-feature{margin-top:64px;}
.ky-feature-media{
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-3);
  background:var(--c-primary-light);
}
.ky-feature-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease;
}
.ky-feature-media:hover img{transform:scale(1.04);}
.ky-feature-body h3{font-size:23px;font-weight:800;margin-bottom:14px;}
.ky-feature-body p{color:var(--c-sub);font-size:15.5px;}
.ky-feature-list{
  list-style:none;margin:18px 0 0;padding:0;
  display:flex;flex-direction:column;gap:10px;
}
.ky-feature-list li{
  position:relative;padding-left:22px;font-size:15px;color:var(--c-sub);
}
.ky-feature-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:2px;background:var(--c-primary);
}

/* 要点清单 */
.ky-points{
  display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:32px;
}
.ky-point{
  display:flex;gap:14px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:20px 22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.ky-point:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,143,126,.3);}
.ky-point-ico{
  flex:0 0 auto;width:36px;height:36px;border-radius:12px;
  background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.ky-point h4{font-size:16px;font-weight:700;margin-bottom:6px;}
.ky-point p{margin:0;font-size:14px;line-height:1.7;color:var(--c-muted);}

/* CTA 条 */
.ky-cta-bar{
  background:var(--c-primary-light);
  border:1px solid rgba(14,143,126,.18);
  border-radius:var(--r-xl);
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  margin-top:80px;
}
.ky-cta-bar h2{font-size:clamp(20px,2.6vw,26px);font-weight:800;}
.ky-cta-bar p{margin:10px 0 0;color:var(--c-sub);font-size:15px;}

/* 页脚 */
.ky-footer{
  position:relative;
  background:var(--c-primary-deep);color:#fff;
  padding:64px 0 0;margin-top:96px;
}
.ky-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand);
}
.ky-footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
}
.ky-footer .ky-logo{color:#fff;}
.ky-footer p{color:rgba(255,255,255,.72);font-size:14px;margin:0;}
.ky-footer h4{
  color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;
}
.ky-footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.ky-footer-links a{
  color:rgba(255,255,255,.78);font-size:14px;
  display:inline-block;transition:color .2s ease,transform .2s ease;
}
.ky-footer-links a:hover{color:#fff;transform:translateX(2px);}
.ky-social{display:flex;gap:10px;margin-top:18px;}
.ky-social span{
  width:36px;height:36px;border-radius:12px;
  background:rgba(255,255,255,.1);
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.82);
}
.ky-footer-bottom{
  margin-top:48px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* 返回顶部 */
.ky-top{
  position:fixed;right:24px;bottom:28px;z-index:1040;
  width:48px;height:48px;border-radius:50%;
  background:var(--grad-brand);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.ky-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.ky-top:hover{box-shadow:var(--sh-3);}

/* 响应式 */
@media (max-width:1199.98px){
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .ky-nav{display:none;}
  .ky-burger{display:inline-flex;}
  .ky-section{padding:72px 0;}
  .ky-toc{position:static;margin-bottom:32px;}
  .ky-feature{grid-template-columns:1fr;gap:28px;}
  .ky-feature.rev .ky-feature-media{order:-1;}
  .ky-step::before{left:19px;}
  .ky-step-num{width:40px;height:40px;font-size:19px;border-radius:14px;}
  .ky-cta-bar{flex-direction:column;align-items:flex-start;padding:28px 26px;margin-top:64px;}
}
@media (max-width:767.98px){
  .ky-pagehero{min-height:260px;border-radius:0 0 var(--r-lg) var(--r-lg);}
  .ky-pagehero-inner{padding:48px 0;}
  .ky-points{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  .ky-container{padding:0 16px;}
  .ky-section{padding:56px 0;}
  .ky-header-inner{height:66px;gap:12px;}
  .ky-logo{font-size:16px;}
  .ky-pagehero h1{font-size:30px;}
  .ky-step{gap:16px;}
  .ky-step-body h3{font-size:17px;}
  .ky-cta-bar .ky-btn{width:100%;}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px;}
  .ky-footer{padding-top:52px;}
  .ky-top{right:16px;bottom:18px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E8F7E;
  --c-primary-deep:#08463C;
  --c-primary-light:#E6F6F1;
  --c-accent:#FF6B4A;
  --ink:#101C1A;
  --ink-2:#40514E;
  --ink-3:#7A8A87;
  --line:#E7E1D6;
  --bg:#FAF7F2;
  --surface:#FFFFFF;
  --grad-brand:linear-gradient(118deg,#0E8F7E 0%,#2DBE8C 52%,#A9E56B 100%);
  --grad-accent:linear-gradient(118deg,#FF7A45 0%,#FF5A3C 100%);
  --sh1:0 4px 14px rgba(8,70,60,.06);
  --sh2:0 10px 28px rgba(8,70,60,.10);
  --sh3:0 18px 44px rgba(8,70,60,.16);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --bs-primary:#0E8F7E;
  --bs-body-color:#101C1A;
  --bs-body-font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-border-radius:16px;
  --bs-link-color:#0E8F7E;
  --bs-link-hover-color:#08463C;
  --bs-body-bg:#FAF7F2;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;}
a:hover{color:var(--c-primary-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(14,143,126,.35);outline-offset:2px;border-radius:6px;}
.ky-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1200px){.ky-container{max-width:1320px;}}

/* ============ 按钮 ============ */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.ky-btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh1);}
.ky-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh3);}
.ky-btn-primary:active{transform:translateY(1px);box-shadow:var(--sh1);}
.ky-btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--line);}
.ky-btn-ghost:hover{color:var(--c-primary-deep);border-color:rgba(14,143,126,.4);transform:translateY(-2px);box-shadow:var(--sh2);}
.ky-btn-ghost:active{transform:translateY(1px);box-shadow:none;}
.ky-btn-light{background:#fff;color:var(--c-primary-deep);border-color:transparent;}
.ky-btn-light:hover{color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh2);}
.ky-btn:disabled,.ky-btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 头部导航 ============ */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,height .22s ease,background-color .22s ease;
}
.ky-nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:76px;transition:min-height .22s ease;
}
.ky-header.is-scrolled{box-shadow:var(--sh2);background:rgba(255,255,255,.92);}
.ky-header.is-scrolled .ky-nav-wrap{min-height:64px;}
.ky-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;
}
.ky-logo:hover{color:var(--ink);}
.ky-logo-mark{
  width:34px;height:34px;border-radius:12px;background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;flex:none;
  box-shadow:var(--sh1);
}
.ky-nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.ky-nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-2);
  padding:6px 2px;min-height:44px;display:inline-flex;align-items:center;
  transition:color .2s ease;
}
.ky-nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease;
}
.ky-nav-link:hover{color:var(--c-primary);}
.ky-nav-link:hover::after{transform:scaleX(1);}
.ky-nav-link.is-active{color:var(--c-primary);font-weight:700;background:var(--c-primary-light);border-radius:var(--r-pill);padding:6px 16px;}
.ky-nav-link.is-active::after{transform:scaleX(1);left:16px;right:16px;}
.ky-nav-actions{display:flex;align-items:center;gap:12px;}
.ky-burger{
  width:46px;height:46px;border-radius:14px;background:#fff;border:1px solid var(--line);
  display:none;align-items:center;justify-content:center;color:var(--c-primary-deep);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.ky-burger:hover{border-color:rgba(14,143,126,.4);box-shadow:var(--sh1);}
.ky-drawer{width:84vw;max-width:360px;}
.ky-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.ky-drawer .offcanvas-body{padding:14px 20px 24px;display:flex;flex-direction:column;}
.ky-drawer-nav{display:flex;flex-direction:column;gap:4px;}
.ky-drawer-nav a{
  font-size:18px;font-weight:600;color:var(--ink-2);padding:14px 12px;border-radius:14px;min-height:44px;
  display:flex;align-items:center;transition:background-color .2s ease,color .2s ease;
}
.ky-drawer-nav a:hover{background:var(--c-primary-light);color:var(--c-primary-deep);}
.ky-drawer-nav a.is-active{background:var(--c-primary-light);color:var(--c-primary);font-weight:700;}
.ky-drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:10px;}
@media (max-width:991.98px){
  .ky-nav{display:none;}
  .ky-burger{display:inline-flex;}
  .ky-nav-actions .ky-btn-ghost{display:none;}
}

/* ============ 页面头（浅主色底 + 弧形小图） ============ */
.ky-pagehead{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F1FBF7 0%,var(--bg) 100%);
  padding:56px 0 8px;
}
.ky-pagehead::before{
  content:"";position:absolute;top:-120px;right:-60px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(14,143,126,.16),rgba(14,143,126,0) 70%);
  filter:blur(40px);pointer-events:none;
}
.ky-pagehead .row{position:relative;z-index:1;}
.ky-crumb{font-size:14px;color:var(--ink-3);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.ky-crumb a{color:var(--ink-3);}
.ky-crumb a:hover{color:var(--c-primary);}
.ky-crumb .sep{color:#C6BFB2;}
.ky-crumb .now{color:var(--c-primary);font-weight:600;}
.ky-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-primary-light);color:var(--c-primary-deep);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:7px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.ky-h1{font-size:clamp(30px,5vw,48px);font-weight:800;line-height:1.2;letter-spacing:-.02em;}
.ky-lead{font-size:17px;line-height:1.85;color:var(--ink-2);margin-top:18px;max-width:44ch;}
.ky-taglist{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.ky-tag{
  display:inline-flex;align-items:center;min-height:34px;padding:0 14px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.ky-tag:hover{border-color:rgba(14,143,126,.45);color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh1);}
.ky-pagehead-media{
  margin:0;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh3);
  border-top-left-radius:36%;aspect-ratio:4/3;
}
.ky-pagehead-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.ky-statrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.ky-stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 18px;min-width:132px;box-shadow:var(--sh1);
}
.ky-stat b{display:block;font-size:22px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.ky-stat span{font-size:12px;font-weight:600;color:var(--ink-3);}

/* ============ 板块 ============ */
.ky-section{padding:96px 0;}
.ky-section.is-tight{padding:64px 0;}
.ky-section.is-dark{background:var(--c-primary-deep);color:#fff;}
.ky-section.is-dark .ky-sec-title,.ky-section.is-dark h2,.ky-section.is-dark h3{color:#fff;}
.ky-sec-head{margin-bottom:44px;max-width:820px;}
.ky-sec-title{font-size:clamp(24px,3.4vw,34px);font-weight:800;line-height:1.25;}
.ky-sec-desc{margin-top:14px;font-size:16px;color:var(--ink-2);line-height:1.85;}
.ky-section.is-dark .ky-sec-desc{color:rgba(255,255,255,.78);}
.ky-sec-kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);
  background:var(--c-primary-light);border-radius:var(--r-pill);padding:6px 12px;margin-bottom:16px;
}
@media (max-width:991.98px){.ky-section{padding:72px 0;}.ky-section.is-tight{padding:56px 0;}}
@media (max-width:575.98px){.ky-section{padding:56px 0;}.ky-container{padding:0 16px;}.ky-sec-head{margin-bottom:32px;}}

/* ============ 编号条目 ============ */
.ky-rule-list{display:flex;flex-direction:column;gap:16px;}
.ky-rule-item{
  display:flex;gap:22px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 28px;box-shadow:var(--sh1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.ky-rule-item:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(14,143,126,.32);}
.ky-rule-num{
  flex:none;font-size:32px;font-weight:800;line-height:1;color:var(--c-primary);
  font-variant-numeric:tabular-nums;min-width:56px;letter-spacing:-.03em;
}
.ky-rule-item h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.ky-rule-item p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.85;}
.ky-rule-note{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:13px;font-weight:600;color:var(--c-primary-deep);
  background:var(--c-primary-light);border-radius:var(--r-pill);padding:5px 12px;
}
@media (max-width:575.98px){
  .ky-rule-item{padding:18px;gap:14px;flex-direction:column;}
  .ky-rule-num{font-size:26px;}
}

/* ============ 时间轴 ============ */
.ky-timeline{position:relative;padding-left:34px;margin-top:8px;}
.ky-timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,#2DBE8C,rgba(14,143,126,.15));
  border-radius:2px;
}
.ky-tl-item{position:relative;padding-bottom:32px;}
.ky-tl-item:last-child{padding-bottom:0;}
.ky-tl-item::before{
  content:"";position:absolute;left:-31px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);box-shadow:0 0 0 4px rgba(14,143,126,.12);
}
.ky-tl-badge{
  display:inline-flex;align-items:center;min-height:28px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-primary-light);color:var(--c-primary-deep);
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.ky-tl-item h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.ky-tl-item p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ============ FAQ ============ */
.ky-faq-card{
  background:var(--c-primary-light);border-radius:var(--r-lg);padding:28px;
  position:sticky;top:104px;box-shadow:var(--sh1);
}
.ky-faq-card h3{font-size:19px;font-weight:800;margin-bottom:12px;}
.ky-faq-card p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.ky-faq-card .ky-line{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:14px;font-weight:600;color:var(--c-primary-deep);
  border-top:1px dashed rgba(14,143,126,.35);padding-top:14px;margin-top:14px;
}
.ky-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md)!important;
  margin-bottom:12px;box-shadow:var(--sh1);overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.ky-accordion .accordion-item:hover{border-color:rgba(14,143,126,.32);}
.ky-accordion .accordion-button{
  background:#fff;color:var(--ink);font-size:16px;font-weight:700;line-height:1.6;
  padding:18px 52px 18px 20px;border:0;border-radius:var(--r-md)!important;box-shadow:none;
  position:relative;
}
.ky-accordion .accordion-button::after{
  content:"";position:absolute;right:20px;top:50%;width:11px;height:11px;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:translateY(-70%) rotate(45deg);transition:transform .24s ease;background:none;
}
.ky-accordion .accordion-button:not(.collapsed){color:var(--c-primary-deep);}
.ky-accordion .accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg);}
.ky-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(14,143,126,.28);}
.ky-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-left:4px solid transparent;
  border-image:linear-gradient(180deg,#0E8F7E,#A9E56B) 1;
}
.ky-accordion .accordion-body{
  font-size:15px;color:var(--ink-2);line-height:1.85;padding:0 20px 20px;
}
@media (max-width:991.98px){
  .ky-faq-card{position:static;margin-top:32px;padding:22px;}
}

/* ============ 入口卡片（横向 2 列） ============ */
.ky-entry-card{
  display:flex;align-items:stretch;gap:0;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);height:100%;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.ky-entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(14,143,126,.32);}
.ky-entry-card figure{margin:0;flex:none;width:42%;overflow:hidden;}
.ky-entry-card img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .26s ease;}
.ky-entry-card:hover img{transform:scale(1.04);}
.ky-entry-body{padding:26px;display:flex;flex-direction:column;gap:10px;}
.ky-entry-body h3{font-size:19px;font-weight:700;}
.ky-entry-body p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.75;}
.ky-entry-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--c-primary);
}
.ky-entry-more svg{transition:transform .24s ease;}
.ky-entry-card:hover .ky-entry-more svg{transform:translateX(4px);}
@media (max-width:575.98px){
  .ky-entry-card{flex-direction:column;}
  .ky-entry-card figure{width:100%;}
  .ky-entry-body{padding:18px;}
}

/* ============ CTA 条 ============ */
.ky-cta-bar{
  background:var(--c-primary-light);border-radius:var(--r-xl);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
}
.ky-cta-bar h2{font-size:clamp(22px,2.6vw,28px);font-weight:800;}
.ky-cta-bar p{margin:8px 0 0;font-size:15px;color:var(--ink-2);max-width:52ch;}
.ky-check-list{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:18px;}
.ky-check{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--ink-2);}
.ky-check i{
  width:22px;height:22px;border-radius:50%;border:2px solid var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);flex:none;
}
@media (max-width:575.98px){.ky-cta-bar{padding:24px 18px;}}

/* ============ 页脚 ============ */
.ky-footer{
  position:relative;background:var(--c-primary-deep);color:#fff;margin-top:8px;
  padding:64px 0 24px;
}
.ky-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-brand);
}
.ky-footer .ky-logo{color:#fff;}
.ky-footer .ky-logo:hover{color:#fff;}
.ky-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.ky-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.ky-footer p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;}
.ky-footer-links{display:flex;flex-direction:column;gap:10px;}
.ky-footer-links a{
  font-size:14px;color:rgba(255,255,255,.78);display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.ky-footer-links a:hover{color:#fff;transform:translateX(2px);}
.ky-social{display:flex;gap:10px;}
.ky-social span{
  width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.12);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
}
.ky-footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (max-width:991.98px){.ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:575.98px){.ky-footer{padding:48px 0 20px;}.ky-footer-grid{grid-template-columns:1fr;gap:28px;}}

/* ============ 返回顶部 ============ */
.ky-top{
  position:fixed;right:20px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--grad-brand);color:#fff;border:0;box-shadow:var(--sh2);
  display:inline-flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
  z-index:1040;
}
.ky-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.ky-top:hover{box-shadow:var(--sh3);}