/* roulang page: index */
:root{
  --ky-primary:#14A89A;
  --ky-primary-deep:#0B7C72;
  --ky-primary-soft:#E6F7F4;
  --ky-accent:#FF7A3D;
  --ky-accent-soft:#FFF0E8;
  --ky-ink:#10292D;
  --ky-ink-2:#4A6569;
  --ky-line:#DCE9E7;
  --ky-bg:#F6FBF9;
  --ky-card:#FFFFFF;
  --ky-grad-main:linear-gradient(135deg,#17B3A4,#4FD6C6 55%,#A8ECDF);
  --ky-grad-hot:linear-gradient(120deg,#FF7A3D,#FFB26B);
  --ky-grad-ink:linear-gradient(160deg,#0F2E31,#0B7C72);
  --ky-r-sm:12px;
  --ky-r:20px;
  --ky-r-lg:28px;
  --ky-r-pill:999px;
  --ky-sh-1:0 4px 16px rgba(11,124,114,.08);
  --ky-sh-2:0 12px 36px rgba(11,124,114,.12);
  --ky-sh-3:0 24px 60px rgba(16,41,45,.14);
  --ky-nav-h:64px;
}
*{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,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ky-ink);
  background:var(--ky-bg);
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ky-primary-deep);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--ky-primary);}
h1,h2,h3,h4{margin:0 0 12px;font-weight:800;line-height:1.28;color:var(--ky-ink);letter-spacing:.2px;}
h1{font-size:clamp(28px,4.4vw,52px);font-weight:800;line-height:1.2;}
h2{font-size:clamp(22px,2.6vw,34px);}
h3{font-size:clamp(17px,1.7vw,21px);font-weight:700;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;}
.ky-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.ky-section{padding:96px 0;}
.ky-section--tight{padding:72px 0;}
.ky-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.ky-section-head p{margin:6px 0 0;color:var(--ky-ink-2);font-size:15px;max-width:640px;}
.ky-eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--ky-primary-deep);font-weight:700;margin-bottom:10px;text-transform:uppercase;}
.ky-muted{color:var(--ky-ink-2);}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--ky-line);
}
.ky-header-inner{
  max-width:1320px;margin:0 auto;display:flex;align-items:stretch;
  min-height:var(--ky-nav-h);padding:0 20px;gap:0;
}
.ky-nav-left{display:flex;align-items:center;gap:34px;flex:1 1 auto;min-width:0;}
.ky-nav-right{
  display:flex;align-items:center;gap:12px;padding:0 16px;
  background:linear-gradient(120deg,rgba(230,247,244,.75),rgba(255,240,232,.55));
  border-left:1px solid var(--ky-line);
}
.ky-logo{display:flex;flex-direction:column;line-height:1.1;padding:6px 0;}
.ky-logo-main{font-size:21px;font-weight:800;color:var(--ky-ink);letter-spacing:1px;}
.ky-logo-sub{font-size:11.5px;color:var(--ky-primary-deep);letter-spacing:1.4px;font-weight:600;}
.ky-nav{display:flex;align-items:center;gap:6px;}
.ky-nav-link{
  position:relative;display:inline-block;padding:10px 12px;font-size:14.5px;
  color:var(--ky-ink-2);font-weight:600;border-radius:var(--ky-r-sm);
}
.ky-nav-link:hover{color:var(--ky-primary-deep);background:var(--ky-primary-soft);}
.ky-nav-link.active{color:var(--ky-ink);}
.ky-nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:4px;border-radius:4px;
  background:var(--ky-primary);
}
.ky-icon-btn{
  width:40px;height:40px;border-radius:var(--ky-r-pill);border:1px solid rgba(11,124,114,.18);
  background:#fff;color:var(--ky-primary-deep);display:inline-flex;align-items:center;justify-content:center;
  transition:all .22s ease;font-size:15px;
}
.ky-icon-btn:hover{background:var(--ky-primary-soft);transform:translateY(-1px);box-shadow:var(--ky-sh-1);color:var(--ky-primary-deep);}
.ky-menu-btn{display:none;}

/* ---------- buttons ---------- */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--ky-r-pill);font-size:15.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease;
  text-align:center;
}
.ky-btn-primary{background:var(--ky-grad-hot);color:#fff;box-shadow:0 8px 22px rgba(255,122,61,.28);}
.ky-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,61,.34);filter:brightness(1.03);}
.ky-btn-primary:active{transform:translateY(1px);}
.ky-btn-teal{background:var(--ky-primary);color:#fff;box-shadow:0 8px 22px rgba(20,168,154,.26);}
.ky-btn-teal:hover{background:var(--ky-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--ky-sh-2);}
.ky-btn-ghost{background:#fff;border-color:var(--ky-primary);color:var(--ky-primary-deep);}
.ky-btn-ghost:hover{background:var(--ky-primary-soft);color:var(--ky-primary-deep);transform:translateY(-2px);box-shadow:var(--ky-sh-1);}
.ky-btn-sm{padding:10px 20px;font-size:14px;}
.ky-btn-block{width:100%;}
.ky-btn-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14.5px;
  color:var(--ky-primary-deep);background:none;border:0;padding:0;cursor:pointer;
}
.ky-btn-link i{transition:transform .22s ease;}
.ky-btn-link:hover i{transform:translateX(4px);}

/* ---------- badges ---------- */
.ky-badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--ky-r-pill);
  font-size:13px;font-weight:700;line-height:1.6;
}
.ky-badge-cat{background:var(--ky-primary-soft);color:var(--ky-primary-deep);}
.ky-badge-hot{background:var(--ky-grad-hot);color:#fff;box-shadow:0 6px 16px rgba(255,122,61,.26);}
.ky-badge-line{background:#fff;border:1px solid var(--ky-line);color:var(--ky-ink-2);}

/* ---------- hero ---------- */
.ky-hero{
  position:relative;padding:calc(var(--ky-nav-h) + 48px) 0 72px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--ky-bg) 100%);
  overflow:hidden;
}
.ky-hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(79,214,198,.22),rgba(79,214,198,0) 70%);
  pointer-events:none;
}
.ky-hero-grid{
  position:relative;z-index:1;display:grid;grid-template-columns:55fr 45fr;gap:48px;align-items:center;
}
.ky-hero-left{position:relative;}
.ky-hero-left::before{
  content:"";position:absolute;left:-40px;bottom:-60px;width:300px;height:160px;border-radius:50%;
  background:radial-gradient(circle at 40% 60%,rgba(168,236,223,.35),rgba(168,236,223,0) 72%);
  pointer-events:none;z-index:-1;
}
.ky-hero h1{margin:18px 0 16px;}
.ky-hero-sub{font-size:17px;color:var(--ky-ink-2);max-width:560px;line-height:1.85;}
.ky-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 32px;}
.ky-hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.ky-stat{
  display:flex;flex-direction:column;gap:2px;padding:14px 22px;background:#fff;
  border:1px solid var(--ky-line);border-radius:var(--ky-r);box-shadow:var(--ky-sh-1);min-width:132px;
}
.ky-stat b{font-size:26px;font-weight:800;color:var(--ky-accent);font-variant-numeric:tabular-nums;line-height:1.2;}
.ky-stat span{font-size:12.5px;color:var(--ky-ink-2);}
.ky-hero-right{position:relative;}
.ky-hero-visual{
  border-radius:var(--ky-r-lg);overflow:hidden;box-shadow:var(--ky-sh-3);
  aspect-ratio:16/12;background:#E6F7F4;
}
.ky-hero-visual img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.ky-hero-visual:hover img{transform:scale(1.03);}
.ky-float-card{
  position:absolute;left:-26px;bottom:32px;width:246px;padding:18px 20px;border-radius:var(--ky-r);
  background:rgba(255,255,255,.72);backdrop-filter:blur(14px) saturate(160%);
  border:1px solid rgba(255,255,255,.85);box-shadow:var(--ky-sh-2);
}
.ky-float-card strong{display:block;font-size:15px;margin-bottom:4px;}
.ky-float-card p{margin:0;font-size:13px;color:var(--ky-ink-2);line-height:1.7;}

/* ---------- stat bar ---------- */
.ky-statbar{background:#fff;border-top:1px solid var(--ky-line);border-bottom:1px solid var(--ky-line);}
.ky-statbar-inner{
  display:flex;gap:16px;padding:22px 24px;max-width:1200px;margin:0 auto;
  overflow-x:auto;scrollbar-width:none;
}
.ky-statbar-inner::-webkit-scrollbar{display:none;}
.ky-statbar-item{
  display:flex;align-items:center;gap:12px;padding:10px 22px;border-radius:var(--ky-r-pill);
  background:var(--ky-bg);border:1px solid var(--ky-line);white-space:nowrap;flex:0 0 auto;
}
.ky-statbar-item b{font-size:26px;font-weight:800;color:var(--ky-accent);font-variant-numeric:tabular-nums;}
.ky-statbar-item span{font-size:13px;color:var(--ky-ink-2);}

/* ---------- ladder ---------- */
.ky-ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.ky-ladder .ky-step:nth-child(2){transform:translateY(16px);}
.ky-ladder .ky-step:nth-child(3){transform:translateY(32px);}
.ky-ladder .ky-step:nth-child(4){transform:translateY(48px);}
.ky-step{
  background:var(--ky-card);border:1px solid var(--ky-line);border-radius:var(--ky-r-lg);
  padding:28px 26px 24px;display:flex;flex-direction:column;box-shadow:var(--ky-sh-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.ky-step:hover{box-shadow:var(--ky-sh-2);}
.ky-step-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.ky-step-no{
  font-size:26px;font-weight:800;color:var(--ky-primary);font-variant-numeric:tabular-nums;letter-spacing:1px;
}
.ky-step-gate{
  font-size:12.5px;font-weight:700;color:var(--ky-primary-deep);background:var(--ky-primary-soft);
  border-radius:var(--ky-r-pill);padding:4px 12px;
}
.ky-step h3{margin-bottom:8px;}
.ky-step-desc{font-size:14px;color:var(--ky-ink-2);margin-bottom:16px;}
.ky-step ul{display:flex;flex-direction:column;gap:9px;margin-bottom:22px;}
.ky-step li{display:flex;gap:9px;font-size:14.5px;color:var(--ky-ink-2);line-height:1.65;}
.ky-step li i{color:var(--ky-primary);margin-top:5px;font-size:12px;}
.ky-step-foot{margin-top:auto;}
.ky-step.is-top{background:var(--ky-grad-main);border-color:transparent;color:#fff;box-shadow:var(--ky-sh-2);}
.ky-step.is-top h3,.ky-step.is-top .ky-step-no,.ky-step.is-top .ky-step-desc,.ky-step.is-top li{color:#fff;}
.ky-step.is-top .ky-step-gate{background:rgba(255,255,255,.24);color:#fff;}
.ky-step.is-top li i{color:#fff;}
.ky-step.is-top .ky-btn-link{color:#fff;}

/* ---------- compare ---------- */
.ky-compare-wrap{overflow-x:auto;padding-bottom:6px;}
.ky-compare{
  display:grid;grid-template-columns:1.15fr 1fr 1fr 1fr;min-width:820px;
  border:1px solid var(--ky-line);border-radius:var(--ky-r-lg);overflow:hidden;background:#fff;box-shadow:var(--ky-sh-1);
}
.ky-compare > div{padding:16px 20px;border-bottom:1px solid var(--ky-line);font-size:14.5px;display:flex;align-items:center;}
.ky-compare .ky-cmp-head{
  flex-direction:column;align-items:flex-start;justify-content:center;gap:4px;padding:26px 20px;
  background:#fff;border-bottom:1px solid var(--ky-line);
}
.ky-cmp-head h3{margin:0;font-size:17px;}
.ky-cmp-head .ky-cmp-num{font-size:34px;font-weight:800;color:var(--ky-primary-deep);line-height:1.1;font-variant-numeric:tabular-nums;}
.ky-cmp-head .ky-cmp-num small{font-size:13px;font-weight:700;color:var(--ky-ink-2);margin-left:4px;}
.ky-compare .ky-cmp-feature{font-weight:700;color:var(--ky-ink);background:#FBFDFC;}
.ky-compare .ky-cmp-cell{justify-content:center;color:var(--ky-primary);font-size:16px;}
.ky-compare .ky-cmp-cell.off{color:#BFCECB;}
.ky-compare .ky-cmp-col-j{background:rgba(230,247,244,.5);}
.ky-compare .ky-cmp-head-j{background:linear-gradient(160deg,#EAFBF7,#FFFFFF);border-left:2px solid var(--ky-primary);border-right:2px solid var(--ky-primary);position:relative;}
.ky-compare .ky-cmp-head-j::before{
  content:"推荐";position:absolute;top:0;right:0;background:var(--ky-grad-hot);color:#fff;
  font-size:11.5px;font-weight:700;padding:3px 12px;border-bottom-left-radius:var(--ky-r-sm);
}
.ky-compare .ky-cmp-last{border-bottom:0;}

/* ---------- countdown banner ---------- */
.ky-banner{
  background:var(--ky-grad-ink);border-radius:32px;padding:40px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--ky-sh-3);position:relative;overflow:hidden;
}
.ky-banner::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(168,236,223,.28),rgba(168,236,223,0) 70%);
}
.ky-banner-text{position:relative;z-index:1;max-width:600px;}
.ky-banner-text h2{color:#fff;margin-bottom:8px;}
.ky-banner-text p{color:rgba(255,255,255,.78);margin:0;font-size:15px;}
.ky-banner-right{position:relative;z-index:1;display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.ky-countdown{display:flex;gap:10px;}
.ky-cd-block{
  min-width:74px;padding:10px 8px;border-radius:var(--ky-r-sm);text-align:center;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);
}
.ky-cd-block b{display:block;font-size:30px;font-weight:800;color:#FFB26B;font-variant-numeric:tabular-nums;line-height:1.15;}
.ky-cd-block span{font-size:12px;color:rgba(255,255,255,.72);}

/* ---------- news ---------- */
.ky-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ky-card{
  background:var(--ky-card);border:1px solid var(--ky-line);border-radius:var(--ky-r);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--ky-sh-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.ky-card:hover{transform:translateY(-4px);box-shadow:var(--ky-sh-2);}
.ky-news-thumb{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--ky-primary-soft);}
.ky-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.ky-card:hover .ky-news-thumb img{transform:scale(1.03);}
.ky-news-thumb .ky-badge{position:absolute;left:14px;top:14px;box-shadow:var(--ky-sh-1);}
.ky-news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.ky-news-body h3{
  font-size:17.5px;margin-bottom:10px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ky-news-body h3 a{color:var(--ky-ink);}
.ky-news-body h3 a:hover{color:var(--ky-primary-deep);}
.ky-news-body p{
  font-size:14px;color:var(--ky-ink-2);margin-bottom:18px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ky-news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px dashed var(--ky-line);font-size:13px;color:var(--ky-ink-2);
}
.ky-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px dashed var(--ky-line);border-radius:var(--ky-r-lg);background:#fff;padding:40px 24px;text-align:center;
}
.ky-empty i{font-size:34px;color:var(--ky-primary);opacity:.65;}
.ky-empty p{margin:0;color:var(--ky-ink-2);font-size:14.5px;}

/* ---------- scene ---------- */
.ky-split{display:grid;grid-template-columns:44fr 56fr;gap:48px;align-items:center;}
.ky-split-media{border-radius:var(--ky-r-lg);overflow:hidden;box-shadow:var(--ky-sh-2);aspect-ratio:4/3;}
.ky-split-media img{width:100%;height:100%;object-fit:cover;}
.ky-list-circle{display:flex;flex-direction:column;gap:16px;margin-top:8px;}
.ky-list-circle li{display:flex;gap:14px;align-items:flex-start;}
.ky-list-circle .ky-dot{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--ky-primary-soft);color:var(--ky-primary-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
}
.ky-list-circle strong{display:block;font-size:15.5px;margin-bottom:2px;}
.ky-list-circle p{margin:0;font-size:14px;color:var(--ky-ink-2);}

/* ---------- faq ---------- */
.ky-faq .accordion-item{
  background:#fff;border:0;border-radius:var(--ky-r) !important;margin-bottom:14px;overflow:hidden;
  box-shadow:var(--ky-sh-1);
}
.ky-faq .accordion-button{
  font-size:17px;font-weight:700;color:var(--ky-ink);background:#fff;padding:22px 24px 22px 26px;
  border:0;box-shadow:none;border-left:3px solid transparent;
}
.ky-faq .accordion-button:not(.collapsed){color:var(--ky-primary-deep);background:#fff;border-left-color:var(--ky-primary);}
.ky-faq .accordion-button:focus{box-shadow:none;}
.ky-faq .accordion-button::after{
  background-image:none;content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;font-size:15px;
  color:var(--ky-primary-deep);width:auto;height:auto;transform:none;transition:transform .25s ease;
}
.ky-faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.ky-faq .accordion-body{padding:0 26px 24px;font-size:15px;color:var(--ky-ink-2);line-height:1.85;}

/* ---------- form ---------- */
.ky-form-grid{display:grid;grid-template-columns:60fr 40fr;gap:32px;align-items:start;}
.ky-panel{background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r-lg);padding:32px;box-shadow:var(--ky-sh-1);}
.ky-field{margin-bottom:20px;}
.ky-field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--ky-ink);}
.ky-field .ky-req{color:var(--ky-accent);}
.ky-input,.ky-select,.ky-textarea{
  width:100%;height:48px;border-radius:14px;border:1px solid var(--ky-line);background:#FBFDFC;
  padding:0 16px;font-size:15px;color:var(--ky-ink);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.ky-textarea{height:auto;min-height:126px;padding:14px 16px;line-height:1.7;resize:vertical;}
.ky-input::placeholder,.ky-textarea::placeholder{color:#9DB3B0;font-size:14px;}
.ky-input:focus,.ky-select:focus,.ky-textarea:focus{
  outline:none;border-color:var(--ky-primary);background:#fff;box-shadow:0 0 0 4px rgba(20,168,154,.14);
}
.ky-input.is-invalid,.ky-textarea.is-invalid{border-color:#E2563C;box-shadow:0 0 0 4px rgba(226,86,60,.12);}
.ky-err{display:none;font-size:13px;color:#D9482D;margin-top:6px;}
.ky-err.show{display:block;}
.ky-check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ky-ink-2);}
.ky-check input{margin-top:5px;width:16px;height:16px;accent-color:var(--ky-primary);flex:0 0 auto;}
.ky-form-tip{font-size:13px;color:var(--ky-ink-2);margin-top:12px;}
.ky-contact-card{display:flex;flex-direction:column;gap:18px;}
.ky-contact-media{border-radius:var(--ky-r);overflow:hidden;aspect-ratio:16/10;background:var(--ky-primary-soft);}
.ky-contact-media img{width:100%;height:100%;object-fit:cover;}
.ky-contact-list{display:flex;flex-direction:column;gap:14px;}
.ky-contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ky-ink-2);}
.ky-contact-list i{color:var(--ky-primary);margin-top:5px;font-size:14px;}
.ky-contact-list b{color:var(--ky-ink);}
.ky-notice{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--ky-r-sm);
  background:var(--ky-primary-soft);color:var(--ky-primary-deep);font-size:14px;font-weight:600;
}
.ky-notice.show{display:block;}

/* ---------- floating ---------- */
.ky-float-btn{
  position:fixed;right:26px;bottom:26px;z-index:1020;display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:var(--ky-r-pill);background:var(--ky-grad-hot);color:#fff;
  font-weight:700;font-size:14.5px;box-shadow:0 14px 30px rgba(255,122,61,.34);border:0;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease;
}
.ky-float-btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,122,61,.4);}

/* ---------- footer ---------- */
.ky-footer{background:var(--ky-grad-ink);color:rgba(255,255,255,.78);margin-top:96px;padding:72px 0 0;}
.ky-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.ky-footer .ky-logo-main{color:#fff;}
.ky-footer .ky-logo-sub{color:#8FE3D6;}
.ky-footer-title{font-size:14px;font-weight:800;color:#fff;letter-spacing:1px;margin-bottom:16px;}
.ky-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);}
.ky-footer-links{display:flex;flex-direction:column;gap:11px;}
.ky-footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.ky-footer-links a:hover{color:#A8ECDF;}
.ky-footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;
}
.ky-footer-bottom p{margin:0;color:rgba(255,255,255,.6);}
.ky-top-btn{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--ky-r-pill);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);color:#fff;font-size:13px;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.ky-top-btn:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);color:#fff;}

/* ---------- offcanvas ---------- */
.ky-offcanvas{background:#fff;width:min(88vw,340px);}
.ky-offcanvas .offcanvas-header{border-bottom:1px solid var(--ky-line);}
.ky-offcanvas .offcanvas-body{padding:18px 20px 28px;display:flex;flex-direction:column;gap:6px;}
.ky-offcanvas .ky-nav-link{display:block;font-size:15.5px;padding:14px 12px;border-radius:var(--ky-r-sm);}
.ky-offcanvas .ky-nav-link.active{background:var(--ky-primary-soft);}
.ky-offcanvas .ky-nav-link.active::after{display:none;}
.ky-offcanvas-cta{margin-top:18px;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .ky-hero-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .ky-section{padding:80px 0;}
  .ky-ladder{grid-template-columns:repeat(2,1fr);}
  .ky-ladder .ky-step:nth-child(n){transform:none;}
  .ky-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .ky-grid-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .ky-nav{display:none;}
  .ky-menu-btn{display:inline-flex;}
  .ky-nav-right .ky-btn{display:none;}
  .ky-header-inner{padding:0 16px;}
  .ky-hero{padding:calc(var(--ky-nav-h) + 36px) 0 56px;}
  .ky-hero-grid{grid-template-columns:1fr;gap:32px;}
  .ky-hero-visual{aspect-ratio:16/10;}
  .ky-float-card{left:16px;bottom:16px;width:auto;right:16px;}
  .ky-split{grid-template-columns:1fr;gap:28px;}
  .ky-form-grid{grid-template-columns:1fr;}
  .ky-section{padding:64px 0;}
  .ky-banner{padding:32px 28px;border-radius:26px;}
  .ky-footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .ky-container{padding:0 18px;}
  .ky-section{padding:48px 0;}
  .ky-section-head{margin-bottom:26px;}
  .ky-hero-stats{gap:10px;}
  .ky-stat{flex:1 1 calc(50% - 10px);min-width:0;padding:12px 16px;}
  .ky-stat b{font-size:22px;}
  .ky-hero-actions{gap:10px;}
  .ky-hero-actions .ky-btn{width:100%;}
  .ky-hero-visual{aspect-ratio:16/11;max-height:300px;}
  .ky-statbar-inner{padding:16px 18px;}
  .ky-ladder{grid-template-columns:1fr;gap:16px;}
  .ky-grid-3{grid-template-columns:1fr;}
  .ky-panel{padding:22px;border-radius:var(--ky-r);}
  .ky-banner{padding:26px 20px;border-radius:22px;}
  .ky-cd-block{min-width:60px;}
  .ky-cd-block b{font-size:24px;}
  .ky-faq .accordion-button{font-size:15.5px;padding:18px 18px 18px 20px;}
  .ky-faq .accordion-body{padding:0 20px 20px;font-size:14.5px;}
  .ky-footer{padding-top:52px;margin-top:64px;}
  .ky-footer-grid{grid-template-columns:1fr;gap:26px;}
  .ky-float-btn{right:14px;bottom:14px;padding:11px 18px;font-size:13.5px;}
  .ky-compare{min-width:720px;}
}

/* roulang page: article */
:root{
  --ky-primary:#14A89A;
  --ky-primary-deep:#0B7C72;
  --ky-primary-soft:#E6F7F4;
  --ky-accent:#FF7A3D;
  --ky-accent-soft:#FFF0E8;
  --ky-ink:#10292D;
  --ky-ink-2:#4A6569;
  --ky-line:#DCE9E7;
  --ky-bg:#F6FBF9;
  --ky-card:#FFFFFF;
  --ky-grad-main:linear-gradient(135deg,#17B3A4,#4FD6C6 55%,#A8ECDF);
  --ky-grad-hot:linear-gradient(120deg,#FF7A3D,#FFB26B);
  --ky-grad-ink:linear-gradient(160deg,#0F2E31,#0B7C72);
  --ky-r-sm:12px;
  --ky-r:20px;
  --ky-r-lg:28px;
  --ky-r-pill:999px;
  --ky-sh-1:0 4px 16px rgba(11,124,114,.08);
  --ky-sh-2:0 12px 36px rgba(11,124,114,.12);
  --ky-sh-3:0 24px 60px rgba(16,41,45,.14);
  --ky-nav-h:64px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ky-ink);
  background:var(--ky-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ky-primary-deep);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--ky-primary);}
h1,h2,h3,h4{color:var(--ky-ink);font-weight:800;line-height:1.3;margin:0;}
p{margin:0 0 16px;}
button{font-family:inherit;}
::selection{background:var(--ky-primary-soft);color:var(--ky-primary-deep);}
: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;
}
.ky-section{padding:88px 0;}
.ky-section-sm{padding:56px 0;}
.ky-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1px;font-weight:700;
  color:var(--ky-primary-deep);
  background:var(--ky-primary-soft);
  padding:6px 14px;border-radius:var(--ky-r-pill);
}
.ky-h2{font-size:34px;}
.ky-sub{color:var(--ky-ink-2);font-size:16px;max-width:720px;}

/* ---------- 头部导航 ---------- */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--ky-line);
}
.ky-header-inner{
  max-width:1320px;margin:0 auto;padding:0 24px;
  height:var(--ky-nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.ky-logo{display:inline-flex;flex-direction:column;line-height:1.12;text-decoration:none;flex:0 0 auto;}
.ky-logo-main{font-size:21px;font-weight:800;color:var(--ky-ink);letter-spacing:.5px;}
.ky-logo-sub{font-size:12px;color:var(--ky-primary-deep);letter-spacing:1px;font-weight:600;}
.ky-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;}
.ky-nav-link{
  position:relative;
  font-size:15px;color:var(--ky-ink-2);font-weight:600;
  padding:8px 14px;border-radius:var(--ky-r-pill);
  white-space:nowrap;
}
.ky-nav-link:hover{color:var(--ky-primary-deep);background:var(--ky-primary-soft);}
.ky-nav-link.active{color:var(--ky-primary-deep);}
.ky-nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:0;width:20px;height:4px;border-radius:4px;background:var(--ky-primary);
}
.ky-nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ky-icon-btn{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--ky-line);background:#fff;color:var(--ky-ink-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .25s ease;
}
.ky-icon-btn:hover{border-color:var(--ky-primary);color:var(--ky-primary-deep);box-shadow:var(--ky-sh-1);}
.ky-burger{display:none;}
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border-radius:var(--ky-r-pill);
  border:0;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,color .22s ease;
}
.ky-btn-sm{padding:9px 20px;font-size:14px;}
.ky-btn-lg{padding:14px 30px;font-size:16px;}
.ky-btn-primary{background:var(--ky-grad-hot);color:#fff;box-shadow:0 8px 22px rgba(255,122,61,.28);}
.ky-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,61,.34);filter:brightness(1.03);}
.ky-btn-primary:active{transform:translateY(1px);}
.ky-btn-ghost{background:#fff;color:var(--ky-primary-deep);border:1.5px solid var(--ky-primary);}
.ky-btn-ghost:hover{background:var(--ky-primary-soft);color:var(--ky-primary-deep);transform:translateY(-2px);box-shadow:var(--ky-sh-1);}
.ky-btn-soft{background:var(--ky-primary);color:#fff;}
.ky-btn-soft:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--ky-sh-2);filter:brightness(1.03);}
.ky-search-panel{
  display:none;
  border-top:1px solid var(--ky-line);
  background:#fff;
}
.ky-search-panel.open{display:block;}
.ky-search-panel .ky-container{padding-top:16px;padding-bottom:20px;}
.ky-search-form{display:flex;gap:10px;max-width:640px;}
.ky-search-form input{
  flex:1;height:46px;border-radius:var(--ky-r-pill);
  border:1px solid var(--ky-line);padding:0 20px;font-size:15px;color:var(--ky-ink);
}
.ky-search-form input:focus{outline:none;border-color:var(--ky-primary);box-shadow:0 0 0 4px rgba(20,168,154,.12);}

.ky-offcanvas{background:#fff;}
.ky-offcanvas .ky-nav-link{display:block;padding:14px 4px;border-bottom:1px solid var(--ky-line);border-radius:0;font-size:16px;line-height:1.5;}
.ky-offcanvas .ky-nav-link.active::after{display:none;}
.ky-offcanvas .ky-nav-link.active{color:var(--ky-primary-deep);}

/* ---------- 页面主体 ---------- */
.ky-main{padding-top:40px;padding-bottom:16px;}
.ky-crumb{
  font-size:13px;color:var(--ky-ink-2);
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin-bottom:26px;
}
.ky-crumb a{color:var(--ky-ink-2);}
.ky-crumb a:hover{color:var(--ky-primary-deep);}
.ky-crumb .sep{color:#B7CBC9;}
.ky-crumb .cur{
  font-weight:700;color:var(--ky-ink);
  max-width:320px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.ky-article-head{
  background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r-lg);
  padding:36px;box-shadow:var(--ky-sh-1);margin-bottom:32px;
}
.ky-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--ky-primary-soft);color:var(--ky-primary-deep);
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:var(--ky-r-pill);
}
.ky-tag-hot{background:var(--ky-grad-hot);color:#fff;}
.ky-article-title{
  font-size:42px;line-height:1.28;margin:18px 0 18px;letter-spacing:-.3px;
  overflow-wrap:anywhere;
}
.ky-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:14px;color:var(--ky-ink-2);
}
.ky-meta i{color:var(--ky-primary);margin-right:6px;}
.ky-hero-img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:24px;margin-top:26px;
  background:var(--ky-primary-soft);
}

/* 正文 */
.ky-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start;}
.ky-panel{
  background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r-lg);
  padding:36px;box-shadow:var(--ky-sh-1);
}
.ky-article-body{max-width:820px;font-size:17px;line-height:1.9;color:#1E3A3E;}
.ky-article-body > *:first-child{margin-top:0;}
.ky-article-body p{margin:0 0 1.4em;}
.ky-article-body h2{
  font-size:27px;margin:44px 0 18px;padding-left:16px;position:relative;
}
.ky-article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;
  background:var(--ky-grad-main);
}
.ky-article-body h3{font-size:20px;margin:30px 0 12px;}
.ky-article-body ul,.ky-article-body ol{margin:0 0 1.4em;padding-left:24px;}
.ky-article-body li{margin-bottom:10px;}
.ky-article-body ul{list-style:none;padding-left:4px;}
.ky-article-body ul li{position:relative;padding-left:22px;}
.ky-article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:9px;height:9px;border-radius:3px;background:var(--ky-primary);
}
.ky-article-body blockquote{
  margin:26px 0;padding:20px 24px;background:var(--ky-primary-soft);
  border-left:4px solid var(--ky-primary);border-radius:0 var(--ky-r) var(--ky-r) 0;
  color:var(--ky-ink-2);font-size:16px;
}
.ky-article-body blockquote p:last-child{margin-bottom:0;}
.ky-article-body img{border-radius:20px;margin:26px auto;}
.ky-article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--ky-line);border-radius:var(--ky-r);overflow:hidden;
  margin:26px 0;font-size:15px;
}
.ky-article-body th{background:var(--ky-primary-soft);color:var(--ky-primary-deep);font-weight:700;text-align:left;}
.ky-article-body th,.ky-article-body td{padding:13px 16px;border-bottom:1px solid var(--ky-line);}
.ky-article-body tbody tr:nth-child(even){background:#FAFDFC;}
.ky-article-body tbody tr:last-child td{border-bottom:0;}
.ky-article-body a{text-decoration:underline;text-underline-offset:3px;}

/* 侧栏 */
.ky-side{position:sticky;top:calc(var(--ky-nav-h) + 20px);display:grid;gap:20px;}
.ky-side-card{
  background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r);
  padding:22px;box-shadow:var(--ky-sh-1);
}
.ky-side-title{
  font-size:15px;font-weight:800;color:var(--ky-ink);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.ky-side-title i{color:var(--ky-primary);}
.ky-toc{list-style:none;margin:0;padding:0;font-size:14px;}
.ky-toc li{margin-bottom:4px;}
.ky-toc a{
  display:block;padding:8px 10px;border-radius:10px;color:var(--ky-ink-2);
}
.ky-toc a:hover{background:var(--ky-primary-soft);color:var(--ky-primary-deep);}
.ky-hot-list{list-style:none;margin:0;padding:0;}
.ky-hot-list li{border-bottom:1px dashed var(--ky-line);padding:12px 0;}
.ky-hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.ky-hot-list a{display:flex;gap:12px;align-items:flex-start;color:var(--ky-ink);font-size:14px;line-height:1.6;}
.ky-hot-list a:hover{color:var(--ky-primary-deep);}
.ky-hot-list img{width:64px;height:44px;object-fit:cover;border-radius:10px;flex:0 0 auto;background:var(--ky-primary-soft);}
.ky-side-cta{
  background:var(--ky-grad-ink);border-radius:var(--ky-r);padding:24px;color:#fff;
}
.ky-side-cta h3{color:#fff;font-size:18px;margin-bottom:8px;}
.ky-side-cta p{color:rgba(255,255,255,.78);font-size:14px;margin-bottom:16px;}

/* 标签与返回 */
.ky-article-foot{
  margin-top:32px;padding-top:26px;border-top:1px solid var(--ky-line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.ky-tags{display:flex;flex-wrap:wrap;gap:10px;}
.ky-link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ky-primary-deep);font-size:15px;
}
.ky-link-arrow i{transition:transform .25s ease;}
.ky-link-arrow:hover i{transform:translateX(5px);}

/* 空态 */
.ky-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:40px 20px;background:var(--ky-bg);
  border:1px dashed var(--ky-line);border-radius:var(--ky-r);
}
.ky-empty i{font-size:38px;color:var(--ky-primary);}
.ky-empty p{color:var(--ky-ink-2);margin:0;font-size:15px;}

/* 相关推荐 */
.ky-rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.ky-card{
  background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.ky-card:hover{transform:translateY(-4px);box-shadow:var(--ky-sh-2);}
.ky-card-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--ky-primary-soft);}
.ky-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.ky-card:hover .ky-card-media img{transform:scale(1.03);}
.ky-card-media .ky-tag{position:absolute;top:12px;left:12px;}
.ky-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.ky-card-title{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ky-card-title a{color:var(--ky-ink);}
.ky-card-title a:hover{color:var(--ky-primary-deep);}
.ky-card-text{
  font-size:14px;color:var(--ky-ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ky-card-meta{margin-top:auto;font-size:13px;color:#7B9396;display:flex;align-items:center;gap:8px;}

/* CTA 条 */
.ky-cta{
  background:var(--ky-grad-ink);border-radius:32px;padding:48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  color:#fff;box-shadow:var(--ky-sh-3);
}
.ky-cta h2{color:#fff;font-size:30px;margin-bottom:10px;}
.ky-cta p{color:rgba(255,255,255,.78);margin:0;font-size:15px;max-width:560px;}
.ky-cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 页脚 */
.ky-footer{background:var(--ky-grad-ink);color:#fff;margin-top:88px;padding:64px 0 24px;}
.ky-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.ky-footer .ky-logo-main{color:#fff;}
.ky-footer .ky-logo-sub{color:#A8ECDF;}
.ky-footer p{color:rgba(255,255,255,.74);font-size:14px;line-height:1.8;margin:0;}
.ky-footer-title{font-weight:800;font-size:15px;margin-bottom:16px;color:#fff;letter-spacing:.5px;}
.ky-footer-links{display:flex;flex-direction:column;gap:10px;}
.ky-footer-links a{color:rgba(255,255,255,.76);font-size:14px;}
.ky-footer-links a:hover{color:#A8ECDF;}
.ky-footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.ky-footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);margin:0;}
.ky-top-btn{
  background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.24);
  border-radius:var(--ky-r-pill);padding:8px 18px;font-size:13px;font-weight:600;cursor:pointer;
  transition:all .25s ease;
}
.ky-top-btn:hover{background:rgba(255,255,255,.22);}

@media (max-width:1199px){
  .ky-layout{grid-template-columns:minmax(0,1fr);}
  .ky-side{position:static;}
  .ky-article-title{font-size:34px;}
  .ky-container{padding:0 20px;}
}
@media (max-width:991px){
  .ky-nav{display:none;}
  .ky-burger{display:inline-flex;}
  .ky-nav-right .ky-btn-sm{display:none;}
  .ky-section{padding:64px 0;}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .ky-rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ky-cta{padding:36px;}
  .ky-cta h2{font-size:24px;}
}
@media (max-width:767px){
  :root{--ky-nav-h:56px;}
  .ky-header-inner{padding:0 16px;}
  .ky-container{padding:0 16px;}
  .ky-section{padding:48px 0;}
  .ky-article-head{padding:22px;border-radius:var(--ky-r);}
  .ky-article-title{font-size:28px;}
  .ky-panel{padding:22px;border-radius:var(--ky-r);}
  .ky-article-body{font-size:16px;line-height:1.85;}
  .ky-article-body h2{font-size:22px;margin:32px 0 14px;}
  .ky-article-body h3{font-size:18px;}
  .ky-h2{font-size:24px;}
  .ky-rel-grid{grid-template-columns:minmax(0,1fr);}
  .ky-footer{padding:44px 0 20px;margin-top:56px;}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px;}
  .ky-cta{padding:28px;border-radius:var(--ky-r-lg);}
  .ky-cta-actions{width:100%;flex-direction:column;}
  .ky-cta-actions .ky-btn{width:100%;}
  .ky-article-foot{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --ky-primary:#14A89A;
  --ky-primary-deep:#0B7C72;
  --ky-primary-soft:#E6F7F4;
  --ky-accent:#FF7A3D;
  --ky-accent-soft:#FFF0E8;
  --ky-ink:#10292D;
  --ky-ink-2:#4A6569;
  --ky-line:#DCE9E7;
  --ky-bg:#F6FBF9;
  --ky-card:#FFFFFF;
  --ky-grad-main:linear-gradient(135deg,#17B3A4,#4FD6C6 55%,#A8ECDF);
  --ky-grad-hot:linear-gradient(120deg,#FF7A3D,#FFB26B);
  --ky-grad-ink:linear-gradient(160deg,#0F2E31,#0B7C72);
  --ky-r-sm:12px;
  --ky-r:20px;
  --ky-r-lg:28px;
  --ky-r-pill:999px;
  --ky-sh-1:0 4px 16px rgba(11,124,114,.08);
  --ky-sh-2:0 12px 36px rgba(11,124,114,.12);
  --ky-sh-3:0 24px 60px rgba(16,41,45,.14);
  --ky-font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ky-font);
  background:var(--ky-bg);
  color:var(--ky-ink);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ky-primary-deep);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--ky-primary);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;color:var(--ky-ink);letter-spacing:.2px;}
h1{font-size:clamp(28px,4vw,52px);}
h2{font-size:clamp(22px,2.6vw,34px);}
h3{font-size:clamp(17px,1.6vw,21px);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(20,168,154,.24);}

/* 容器 */
.ky-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.ky-section{padding:88px 0;}
.ky-section-tight{padding:64px 0;}
.ky-section-alt{background:linear-gradient(180deg,#FFFFFF 0%,#F1F9F7 100%);}
.ky-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:var(--ky-primary-deep);background:var(--ky-primary-soft);
  padding:7px 16px;border-radius:var(--ky-r-pill);
}
.ky-section-head{max-width:720px;margin-bottom:48px;}
.ky-section-head h2{margin-bottom:14px;}
.ky-section-head p{color:var(--ky-ink-2);font-size:16px;}
.ky-section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* 按钮 */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--ky-r-pill);
  font-size:15px;font-weight:700;line-height:1.4;border:0;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.ky-btn i{font-size:14px;}
.ky-btn-primary{background:var(--ky-grad-hot);color:#fff;box-shadow:0 8px 20px rgba(255,122,61,.28);}
.ky-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,61,.34);filter:brightness(1.03);}
.ky-btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,122,61,.26);}
.ky-btn-outline{background:#fff;color:var(--ky-primary-deep);border:1.5px solid var(--ky-primary);}
.ky-btn-outline:hover{background:var(--ky-primary-soft);color:var(--ky-primary-deep);transform:translateY(-2px);box-shadow:var(--ky-sh-1);}
.ky-btn-outline:active{transform:translateY(1px);}
.ky-btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.6);}
.ky-btn-ghost:hover{background:rgba(255,255,255,.26);color:#fff;transform:translateY(-2px);}
.ky-btn-light{background:#fff;color:var(--ky-primary-deep);box-shadow:0 10px 26px rgba(8,52,48,.18);}
.ky-btn-light:hover{color:var(--ky-primary-deep);transform:translateY(-2px);box-shadow:0 16px 34px rgba(8,52,48,.24);}
.ky-btn:focus-visible{outline:2px solid var(--ky-primary);outline-offset:3px;}
.ky-btn-sm{padding:9px 20px;font-size:14px;}
.ky-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ky-primary-deep);}
.ky-link-arrow i{transition:transform .22s ease;}
.ky-link-arrow:hover i{transform:translateX(4px);}

/* 徽章 */
.ky-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:var(--ky-r-pill);
}
.ky-badge-soft{background:var(--ky-primary-soft);color:var(--ky-primary-deep);}
.ky-badge-hot{background:var(--ky-grad-hot);color:#fff;box-shadow:0 6px 16px rgba(255,122,61,.26);}
.ky-badge-glass{background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.42);}

/* 头部导航 */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--ky-line);
}
.ky-nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.ky-nav-left{display:flex;align-items:center;gap:26px;min-width:0;}
.ky-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.ky-logo-mark{
  width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--ky-grad-main);color:#fff;font-size:16px;flex-shrink:0;
  box-shadow:0 6px 16px rgba(20,168,154,.28);
}
.ky-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.ky-logo-main{font-size:18px;font-weight:800;color:var(--ky-ink);letter-spacing:.5px;}
.ky-logo-sub{font-size:11px;font-weight:600;color:var(--ky-primary-deep);letter-spacing:1px;}
.ky-nav{display:flex;align-items:center;gap:6px;}
.ky-nav-link{
  position:relative;
  font-size:15px;font-weight:600;color:var(--ky-ink-2);
  padding:8px 14px;border-radius:var(--ky-r-sm);
  transition:color .2s ease,background-color .2s ease;
}
.ky-nav-link:hover{color:var(--ky-primary-deep);background:var(--ky-primary-soft);}
.ky-nav-link.active{color:var(--ky-primary-deep);font-weight:700;}
.ky-nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;
  height:4px;border-radius:var(--ky-r-pill);background:var(--ky-primary);
}
.ky-nav-right{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
  padding:6px 6px 6px 14px;border-radius:var(--ky-r-pill);
  background:linear-gradient(90deg,rgba(20,168,154,0) 0%,rgba(20,168,154,.09) 100%);
}
.ky-search-btn{
  width:38px;height:38px;border-radius:50%;border:1.5px solid var(--ky-line);
  background:#fff;color:var(--ky-primary-deep);font-size:14px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.ky-search-btn:hover{border-color:var(--ky-primary);color:var(--ky-primary);transform:translateY(-1px);}
.ky-search-btn:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;}
.ky-burger{
  width:38px;height:38px;border-radius:var(--ky-r-sm);border:1.5px solid var(--ky-line);
  background:#fff;color:var(--ky-primary-deep);font-size:15px;display:none;
  align-items:center;justify-content:center;cursor:pointer;
}
.ky-search-panel{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  background:#fff;border-top:1px solid transparent;
}
.ky-search-panel.open{max-height:110px;border-top-color:var(--ky-line);}
.ky-search-inner{max-width:1200px;margin:0 auto;padding:18px 24px;display:flex;gap:12px;}
.ky-search-input{
  flex:1;height:48px;border-radius:var(--ky-r-pill);border:1px solid var(--ky-line);
  padding:0 22px;font-size:15px;color:var(--ky-ink);background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.ky-search-input::placeholder{color:#9DB2B2;}
.ky-search-input:focus{border-color:var(--ky-primary);box-shadow:0 0 0 4px rgba(20,168,154,.12);}

/* 抽屉 */
.ky-drawer{width:320px !important;background:#fff;}
.ky-drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 22px;border-bottom:1px solid var(--ky-line);
}
.ky-drawer-body{padding:12px 0;}
.ky-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 22px;font-size:15px;font-weight:600;color:var(--ky-ink);
  border-left:3px solid transparent;
}
.ky-drawer-link:hover{background:var(--ky-primary-soft);color:var(--ky-primary-deep);}
.ky-drawer-link.active{color:var(--ky-primary-deep);border-left-color:var(--ky-primary);background:var(--ky-primary-soft);}
.ky-drawer-cta{padding:18px 22px;}

/* Hero */
.ky-hero{
  position:relative;overflow:hidden;
  background:var(--ky-grad-main);
  padding:calc(64px + 46px) 0 60px;
  min-height:340px;
}
.ky-hero::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(255,255,255,.34);right:-140px;top:-220px;
}
.ky-hero::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.14);left:-120px;bottom:-190px;
}
.ky-hero .ky-container{position:relative;z-index:2;}
.ky-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:20px;}
.ky-crumb a{color:rgba(255,255,255,.82);}
.ky-crumb a:hover{color:#fff;}
.ky-crumb .ky-sep{color:rgba(255,255,255,.5);}
.ky-crumb .ky-current{color:#fff;font-weight:700;}
.ky-hero h1{color:#fff;max-width:860px;margin-bottom:16px;text-shadow:0 2px 20px rgba(9,69,64,.18);}
.ky-hero-sub{color:rgba(255,255,255,.92);font-size:17px;max-width:700px;margin-bottom:26px;}
.ky-hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 数据徽章条 */
.ky-stats{
  background:#fff;border-radius:var(--ky-r-lg);box-shadow:var(--ky-sh-2);
  margin-top:-42px;position:relative;z-index:5;
  padding:26px 30px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.ky-stat{display:flex;align-items:center;gap:14px;padding:6px 4px;}
.ky-stat-num{font-size:30px;font-weight:800;color:var(--ky-accent);line-height:1;}
.ky-stat-text{font-size:13px;color:var(--ky-ink-2);line-height:1.5;}
.ky-stat-divider{border-left:1px solid var(--ky-line);}

/* 锚点 + 时间线 */
.ky-anchor-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:52px;align-items:start;}
.ky-anchor{position:sticky;top:96px;}
.ky-anchor-title{
  font-size:13px;font-weight:800;letter-spacing:1.4px;color:var(--ky-ink-2);
  margin-bottom:14px;padding-left:14px;
}
.ky-anchor-list{border-left:2px solid var(--ky-line);}
.ky-anchor-list a{
  display:block;padding:11px 14px;font-size:14px;font-weight:600;color:var(--ky-ink-2);
  border-left:3px solid transparent;margin-left:-2px;border-radius:0 var(--ky-r-sm) var(--ky-r-sm) 0;
  transition:all .2s ease;
}
.ky-anchor-list a:hover{color:var(--ky-primary-deep);background:var(--ky-primary-soft);}
.ky-anchor-list a.active{color:var(--ky-primary-deep);border-left-color:var(--ky-primary);background:var(--ky-primary-soft);}
.ky-anchor-card{
  margin-top:26px;background:var(--ky-primary-soft);border-radius:var(--ky-r);
  padding:20px;font-size:13px;color:var(--ky-ink-2);line-height:1.7;
}
.ky-anchor-card strong{display:block;color:var(--ky-primary-deep);font-size:14px;margin-bottom:6px;}

.ky-timeline{position:relative;}
.ky-tl-item{position:relative;padding-left:80px;padding-bottom:36px;}
.ky-tl-item::before{
  content:"";position:absolute;left:23px;top:52px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(20,168,154,.36),rgba(20,168,154,.06));
}
.ky-tl-item:last-child{padding-bottom:0;}
.ky-tl-item:last-child::before{display:none;}
.ky-tl-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
  background:#fff;border:2px solid var(--ky-line);color:var(--ky-primary-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;box-shadow:var(--ky-sh-1);
  transition:all .25s ease;
}
.ky-tl-item:hover .ky-tl-num{background:var(--ky-grad-main);color:#fff;border-color:transparent;transform:scale(1.04);}
.ky-tl-card{
  background:var(--ky-card);border:1px solid var(--ky-line);border-radius:var(--ky-r-lg);
  padding:26px 30px;transition:box-shadow .28s ease,transform .28s ease;
}
.ky-tl-card:hover{box-shadow:var(--ky-sh-2);transform:translateY(-4px);}
.ky-tl-card h3{margin-bottom:10px;}
.ky-tl-card p{color:var(--ky-ink-2);font-size:15px;margin-bottom:14px;}
.ky-tl-points{display:flex;flex-wrap:wrap;gap:10px;}
.ky-tl-points span{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:var(--ky-primary-deep);background:var(--ky-primary-soft);
  padding:6px 14px;border-radius:var(--ky-r-pill);
}
.ky-tl-media{
  margin-top:18px;border-radius:var(--ky-r);overflow:hidden;border:1px solid var(--ky-line);
}
.ky-tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* 图文横排卡 */
.ky-rows{display:flex;flex-direction:column;gap:24px;}
.ky-row-card{
  display:grid;grid-template-columns:40% minmax(0,1fr);
  background:var(--ky-card);border:1px solid var(--ky-line);border-radius:var(--ky-r-lg);
  overflow:hidden;transition:box-shadow .28s ease,transform .28s ease;
}
.ky-row-card:hover{box-shadow:var(--ky-sh-2);transform:translateY(-4px);}
.ky-row-media{overflow:hidden;background:var(--ky-primary-soft);}
.ky-row-media img{width:100%;height:100%;min-height:240px;object-fit:cover;transition:transform .4s ease;}
.ky-row-card:hover .ky-row-media img{transform:scale(1.03);}
.ky-row-body{padding:30px 34px;display:flex;flex-direction:column;justify-content:center;}
.ky-row-body h3{margin:12px 0 12px;}
.ky-row-body p{color:var(--ky-ink-2);font-size:15px;margin-bottom:16px;}
.ky-row-list{margin-bottom:18px;}
.ky-row-list li{
  position:relative;padding-left:22px;font-size:14px;color:var(--ky-ink-2);margin-bottom:8px;line-height:1.7;
}
.ky-row-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--ky-primary);
}

/* CTA 条 */
.ky-cta-band{
  background:var(--ky-grad-ink);border-radius:32px;
  padding:52px 56px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.ky-cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);right:-120px;top:-180px;
}
.ky-cta-band h2{color:#fff;margin-bottom:10px;position:relative;z-index:2;}
.ky-cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin:0;position:relative;z-index:2;}
.ky-cta-band .ky-cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.ky-footer{background:var(--ky-grad-ink);color:#fff;padding:76px 0 0;margin-top:88px;}
.ky-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.ky-footer .ky-logo-main{color:#fff;}
.ky-footer .ky-logo-sub{color:rgba(255,255,255,.78);}
.ky-footer p{color:rgba(255,255,255,.74);font-size:14px;line-height:1.85;max-width:340px;}
.ky-footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.6px;}
.ky-footer-links{display:flex;flex-direction:column;gap:12px;}
.ky-footer-links a{font-size:14px;color:rgba(255,255,255,.76);}
.ky-footer-links a:hover{color:#A8ECDF;}
.ky-footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.ky-footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);margin:0;}
.ky-top-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.26);
  border-radius:var(--ky-r-pill);padding:9px 20px;font-size:13px;font-weight:600;cursor:pointer;
  transition:all .22s ease;
}
.ky-top-btn:hover{background:rgba(255,255,255,.24);transform:translateY(-2px);}
.ky-top-btn:focus-visible{outline:2px solid #A8ECDF;outline-offset:2px;}

/* 响应式 */
@media (max-width:1199.98px){
  .ky-anchor-layout{grid-template-columns:190px minmax(0,1fr);gap:36px;}
  .ky-nav-link{padding:8px 10px;font-size:14px;}
  .ky-nav-left{gap:16px;}
}
@media (max-width:1079.98px){
  .ky-nav{display:none;}
  .ky-burger{display:flex;}
  .ky-nav-right .ky-btn{display:none;}
  .ky-anchor-layout{grid-template-columns:1fr;gap:0;}
  .ky-anchor{position:static;display:none;}
}
@media (max-width:991.98px){
  .ky-section{padding:64px 0;}
  .ky-row-card{grid-template-columns:1fr;}
  .ky-row-media img{min-height:220px;aspect-ratio:16/9;}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .ky-stats{grid-template-columns:1fr;gap:16px;padding:22px 24px;}
  .ky-stat-divider{border-left:0;border-top:1px solid var(--ky-line);padding-top:16px;}
  .ky-cta-band{padding:40px 32px;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .ky-container{padding:0 18px;}
  .ky-nav-wrap{padding:0 18px;height:56px;}
  .ky-hero{padding:calc(56px + 34px) 0 44px;min-height:0;}
  .ky-hero h1{font-size:28px;}
  .ky-hero-sub{font-size:15px;}
  .ky-hero-actions .ky-btn{width:100%;}
  .ky-section{padding:48px 0;}
  .ky-section-head{margin-bottom:32px;}
  .ky-tl-item{padding-left:0;padding-bottom:28px;}
  .ky-tl-item::before{display:none;}
  .ky-tl-num{position:static;margin-bottom:14px;}
  .ky-tl-card{padding:22px;}
  .ky-row-body{padding:22px;}
  .ky-stats{margin-top:-24px;}
  .ky-stat-num{font-size:26px;}
  .ky-cta-band{border-radius:24px;padding:32px 24px;}
  .ky-cta-band .ky-cta-actions{width:100%;}
  .ky-cta-band .ky-cta-actions .ky-btn{width:100%;}
  .ky-footer{padding-top:52px;margin-top:56px;}
  .ky-footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .ky-footer-bottom{flex-direction:column;align-items:flex-start;}
  .ky-search-inner{padding:14px 18px;}
}

/* roulang page: category2 */
:root{
  --ky-primary:#14A89A;
  --ky-primary-deep:#0B7C72;
  --ky-primary-soft:#E6F7F4;
  --ky-accent:#FF7A3D;
  --ky-accent-soft:#FFF0E8;
  --ky-ink:#10292D;
  --ky-ink-2:#4A6569;
  --ky-line:#DCE9E7;
  --ky-bg:#F6FBF9;
  --ky-card:#FFFFFF;
  --ky-grad-main:linear-gradient(135deg,#17B3A4,#4FD6C6 55%,#A8ECDF);
  --ky-grad-hot:linear-gradient(120deg,#FF7A3D,#FFB26B);
  --ky-grad-ink:linear-gradient(160deg,#0F2E31,#0B7C72);
  --ky-r-sm:12px;
  --ky-r:20px;
  --ky-r-lg:28px;
  --ky-r-pill:999px;
  --ky-sh-1:0 4px 16px rgba(11,124,114,.08);
  --ky-sh-2:0 12px 36px rgba(11,124,114,.12);
  --ky-sh-3:0 24px 60px rgba(16,41,45,.14);
  --ky-nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--ky-bg);
  color:var(--ky-ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--ky-primary-deep);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--ky-accent);}
button{font-family:inherit;}
h1,h2,h3,h4{line-height:1.28;font-weight:800;color:var(--ky-ink);margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.ky-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.ky-container{max-width:1320px;}}

/* ---------- header / nav ---------- */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--ky-line);
}
.ky-nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:var(--ky-nav-h);max-width:1320px;margin:0 auto;padding:0 24px;
}
.ky-nav-left{display:flex;align-items:center;gap:30px;height:var(--ky-nav-h);}
.ky-nav-right{
  display:flex;align-items:center;gap:12px;height:48px;padding:0 10px 0 16px;
  border-radius:var(--ky-r-pill);
  background:linear-gradient(120deg,rgba(20,168,154,.07),rgba(79,214,198,.16));
  border:1px solid rgba(20,168,154,.14);
}
.ky-logo{display:flex;flex-direction:column;line-height:1.12;}
.ky-logo-main{font-size:21px;font-weight:800;color:var(--ky-ink);letter-spacing:.6px;}
.ky-logo-sub{font-size:11px;letter-spacing:1.1px;color:var(--ky-primary-deep);font-weight:600;}
.ky-nav{display:flex;align-items:center;gap:4px;}
.ky-nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;
  color:var(--ky-ink-2);border-radius:var(--ky-r-sm);white-space:nowrap;transition:color .22s ease,background .22s ease;
}
.ky-nav-link:hover{color:var(--ky-primary-deep);background:rgba(20,168,154,.06);}
.ky-nav-link.active{color:var(--ky-ink);font-weight:700;}
.ky-nav-link.active::after{
  content:"";position:absolute;left:12px;bottom:-2px;width:20px;height:4px;border-radius:var(--ky-r-pill);
  background:var(--ky-primary);
}
.ky-icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1.5px solid rgba(20,168,154,.35);background:#fff;
  color:var(--ky-primary-deep);cursor:pointer;transition:all .22s ease;
}
.ky-icon-btn:hover{background:var(--ky-primary-soft);transform:translateY(-2px);}
.ky-icon-btn:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;}
.ky-burger{
  width:40px;height:40px;display:none;align-items:center;justify-content:center;
  border-radius:12px;border:1.5px solid var(--ky-line);background:#fff;color:var(--ky-ink);
  cursor:pointer;font-size:17px;
}
.ky-search-panel{
  display:none;border-top:1px solid var(--ky-line);background:#fff;
  padding:16px 24px;
}
.ky-search-panel.is-open{display:block;}
.ky-search-form{max-width:720px;margin:0 auto;display:flex;gap:10px;}
.ky-input{
  width:100%;height:48px;border-radius:14px;border:1px solid var(--ky-line);
  padding:0 16px;font-size:15px;color:var(--ky-ink);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.ky-input::placeholder{color:#9DB1B1;font-size:14px;}
.ky-input:focus{outline:none;border-color:var(--ky-primary);box-shadow:0 0 0 4px rgba(20,168,154,.12);}

/* ---------- buttons ---------- */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--ky-r-pill);font-size:15px;font-weight:600;
  padding:13px 26px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
}
.ky-btn i{font-size:13px;}
.ky-btn-primary{background:var(--ky-grad-hot);color:#fff;box-shadow:0 8px 22px rgba(255,122,61,.28);}
.ky-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,61,.34);filter:brightness(1.03);}
.ky-btn-teal{background:var(--ky-primary);color:#fff;box-shadow:0 8px 22px rgba(20,168,154,.24);}
.ky-btn-teal:hover{color:#fff;background:var(--ky-primary-deep);transform:translateY(-2px);}
.ky-btn-ghost{background:#fff;border-color:var(--ky-primary);color:var(--ky-primary-deep);}
.ky-btn-ghost:hover{background:var(--ky-primary-soft);color:var(--ky-primary-deep);transform:translateY(-2px);}
.ky-btn:active{transform:translateY(1px);}
.ky-btn:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;}
.ky-btn-sm{padding:9px 18px;font-size:14px;}
.ky-link-more{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;
  color:var(--ky-primary-deep);margin-top:auto;
}
.ky-link-more:hover{color:var(--ky-accent);gap:11px;}
.ky-link-more i{font-size:12px;transition:transform .22s ease;}

/* ---------- badges ---------- */
.ky-badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:var(--ky-r-pill);
  font-size:13px;font-weight:600;padding:5px 14px;
  background:var(--ky-primary-soft);color:var(--ky-primary-deep);
}
.ky-badge-hot{background:var(--ky-grad-hot);color:#fff;}

/* ---------- breadcrumb ---------- */
.ky-crumb{font-size:13px;color:var(--ky-ink-2);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:18px;}
.ky-crumb a{color:var(--ky-ink-2);}
.ky-crumb a:hover{color:var(--ky-primary-deep);}
.ky-crumb .sep{color:#B8CCCB;}
.ky-crumb .now{color:var(--ky-ink);font-weight:700;}

/* ---------- hero ---------- */
.ky-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#EAF8F5 0%,#DCF3EF 58%,#F6FBF9 100%);
  padding:52px 0 64px;
  border-bottom:1px solid var(--ky-line);
}
.ky-hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(79,214,198,.35),rgba(79,214,198,0) 68%);
  pointer-events:none;
}
.ky-hero::after{
  content:"";position:absolute;left:-120px;bottom:-200px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(255,122,61,.13),rgba(255,122,61,0) 70%);
  pointer-events:none;
}
.ky-hero-inner{position:relative;z-index:2;max-width:860px;}
.ky-hero h1{font-size:50px;letter-spacing:-.5px;}
.ky-hero .ky-hero-sub{
  margin-top:20px;font-size:19px;line-height:1.8;color:var(--ky-ink-2);max-width:700px;
}
.ky-hero-deco{
  position:absolute;right:0;bottom:0;width:38%;max-width:520px;height:100%;
  object-fit:cover;object-position:center;
  opacity:.28;mask-image:linear-gradient(90deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.9) 55%);
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.9) 55%);
  z-index:1;pointer-events:none;
}
.ky-stat-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px;position:relative;z-index:3;}
.ky-stat{
  background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r);
  padding:16px 24px;box-shadow:var(--ky-sh-1);min-width:158px;
}
.ky-stat-num{font-size:30px;font-weight:800;color:var(--ky-accent);line-height:1.1;}
.ky-stat-label{font-size:13px;color:var(--ky-ink-2);margin-top:4px;}

/* ---------- sections ---------- */
.ky-section{padding:92px 0;}
.ky-section-alt{background:#fff;}
.ky-section-head{max-width:760px;margin-bottom:44px;}
.ky-section-head h2{font-size:34px;margin-bottom:14px;}
.ky-section-head p{font-size:16px;color:var(--ky-ink-2);line-height:1.85;}
.ky-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:1px;color:var(--ky-primary-deep);margin-bottom:14px;
}
.ky-eyebrow::before{content:"";width:20px;height:4px;border-radius:var(--ky-r-pill);background:var(--ky-primary);}

/* ---------- feature cards ---------- */
.ky-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.ky-feature-card{
  display:flex;flex-direction:column;background:var(--ky-card);
  border:1px solid var(--ky-line);border-radius:var(--ky-r-lg);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.ky-feature-card:hover{transform:translateY(-4px);box-shadow:var(--ky-sh-2);}
.ky-feature-media{aspect-ratio:16/10;overflow:hidden;background:var(--ky-primary-soft);}
.ky-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.ky-feature-card:hover .ky-feature-media img{transform:scale(1.03);}
.ky-feature-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1;}
.ky-feature-body h3{font-size:21px;margin-bottom:10px;}
.ky-feature-body .ky-desc{font-size:15px;color:var(--ky-ink-2);}
.ky-point-list{display:grid;gap:10px;margin:18px 0 22px;}
.ky-point-list li{position:relative;padding-left:24px;font-size:15px;color:var(--ky-ink-2);line-height:1.7;}
.ky-point-list li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--ky-primary);font-weight:800;font-size:14px;
}

/* ---------- stat band ---------- */
.ky-stat-band{
  background:var(--ky-grad-ink);border-radius:var(--ky-r-lg);
  padding:44px 40px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  box-shadow:var(--ky-sh-2);
}
.ky-stat-band .item{position:relative;padding-left:20px;}
.ky-stat-band .item::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#4FD6C6,rgba(79,214,198,.15));
}
.ky-stat-band .num{font-size:32px;font-weight:800;color:#FFB26B;line-height:1.15;}
.ky-stat-band .txt{font-size:14px;color:rgba(255,255,255,.78);margin-top:8px;line-height:1.7;}

/* ---------- compare table ---------- */
.ky-table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--ky-line);
  border-radius:var(--ky-r-lg);box-shadow:var(--ky-sh-1);
}
.ky-table{width:100%;border-collapse:separate;border-spacing:0;min-width:720px;}
.ky-table th,.ky-table td{padding:0 22px;height:56px;text-align:left;font-size:15px;vertical-align:middle;}
.ky-table thead th{
  background:var(--ky-primary-soft);color:var(--ky-ink);font-weight:700;font-size:15px;
  border-bottom:1px solid var(--ky-line);
}
.ky-table thead th:first-child{border-top-left-radius:var(--ky-r-lg);}
.ky-table thead th:last-child{border-top-right-radius:var(--ky-r-lg);}
.ky-table tbody tr:nth-child(odd){background:#FBFEFD;}
.ky-table tbody th{font-weight:700;color:var(--ky-ink);font-size:15px;border-bottom:1px solid #EAF3F2;}
.ky-table tbody td{color:var(--ky-ink-2);border-bottom:1px solid #EAF3F2;}
.ky-table tbody tr:last-child th,.ky-table tbody tr:last-child td{border-bottom:0;}
.ky-table .is-hl{
  background:linear-gradient(180deg,rgba(20,168,154,.10),rgba(79,214,198,.05));
  color:var(--ky-primary-deep);font-weight:700;
}
.ky-table thead .is-hl{
  background:var(--ky-grad-main);color:#fff;
}
.ky-table .is-hl::before{
  content:"推荐";display:inline-block;margin-right:8px;font-size:11px;font-weight:700;
  padding:2px 8px;border-radius:var(--ky-r-pill);background:#fff;color:var(--ky-primary-deep);
  vertical-align:middle;
}
.ky-dash{display:inline-block;width:18px;height:2px;border-radius:2px;background:#CFDAD9;vertical-align:middle;}

/* ---------- split blocks ---------- */
.ky-split-list{display:grid;gap:56px;}
.ky-split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.ky-split.reverse .ky-split-media{order:2;}
.ky-split-media{border-radius:var(--ky-r-lg);overflow:hidden;box-shadow:var(--ky-sh-2);aspect-ratio:16/11;}
.ky-split-media img{width:100%;height:100%;object-fit:cover;}
.ky-split-body h3{font-size:23px;margin-bottom:12px;}
.ky-split-body p{font-size:15px;color:var(--ky-ink-2);margin-bottom:16px;}

/* ---------- faq ---------- */
.ky-faq .accordion-item{
  border:0;background:#fff;border-radius:var(--ky-r);margin-bottom:14px;
  box-shadow:var(--ky-sh-1);overflow:hidden;
}
.ky-faq .accordion-button{
  font-size:17px;font-weight:700;color:var(--ky-ink);background:#fff;
  padding:20px 56px 20px 24px;border:0;border-left:3px solid transparent;
  border-radius:var(--ky-r);box-shadow:none;line-height:1.6;
}
.ky-faq .accordion-button:not(.collapsed){
  color:var(--ky-primary-deep);background:#fff;box-shadow:none;border-left-color:var(--ky-primary);
}
.ky-faq .accordion-button:focus{box-shadow:none;border-color:var(--ky-primary);}
.ky-faq .accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;font-size:13px;color:var(--ky-primary);
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  display:flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;background:var(--ky-primary-soft);
  transition:transform .25s ease;
}
.ky-faq .accordion-button:not(.collapsed)::after{content:"\f068";transform:translateY(-50%) rotate(180deg);}
.ky-faq .accordion-body{
  font-size:15px;color:var(--ky-ink-2);line-height:1.85;padding:0 24px 22px 24px;
  border-left:3px solid var(--ky-primary);
}

/* ---------- cta strip ---------- */
.ky-cta{
  position:relative;overflow:hidden;border-radius:var(--ky-r-lg);
  background:linear-gradient(135deg,#E9FAF7,#D5F1EC);
  border:1px solid rgba(20,168,154,.2);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.ky-cta::after{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.18),rgba(255,122,61,0) 70%);
}
.ky-cta h2{font-size:30px;margin-bottom:12px;position:relative;z-index:2;}
.ky-cta p{font-size:16px;color:var(--ky-ink-2);max-width:600px;position:relative;z-index:2;}
.ky-cta .ky-cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.ky-footer{background:var(--ky-grad-ink);color:#fff;padding:64px 0 0;margin-top:0;}
.ky-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.ky-footer .ky-logo-main{color:#fff;}
.ky-footer .ky-logo-sub{color:#8FE3D8;}
.ky-footer p{font-size:14px;color:rgba(255,255,255,.75);line-height:1.8;max-width:340px;}
.ky-footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.ky-footer-links{display:grid;gap:11px;}
.ky-footer-links a{font-size:14px;color:rgba(255,255,255,.75);}
.ky-footer-links a:hover{color:#8FE3D8;}
.ky-footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.ky-footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);max-width:none;}
.ky-top-btn{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.06);
  color:#fff;border-radius:var(--ky-r-pill);padding:8px 18px;cursor:pointer;
  transition:all .22s ease;
}
.ky-top-btn:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}

/* ---------- offcanvas ---------- */
.ky-offcanvas{background:#fff;max-width:82vw;}
.ky-offcanvas .offcanvas-header{border-bottom:1px solid var(--ky-line);padding:18px 22px;}
.ky-offcanvas .offcanvas-body{padding:22px;}
.ky-mobile-nav{display:grid;}
.ky-mobile-nav a{
  display:flex;align-items:center;height:48px;font-size:16px;color:var(--ky-ink-2);
  border-bottom:1px solid #EEF6F5;
}
.ky-mobile-nav a.active{color:var(--ky-primary-deep);font-weight:700;}
.ky-mobile-nav a:hover{color:var(--ky-primary-deep);}
.ky-mobile-cta{width:100%;margin-top:24px;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .ky-hero h1{font-size:42px;}
  .ky-section{padding:76px 0;}
  .ky-nav-left{gap:18px;}
  .ky-nav-link{padding:8px 9px;font-size:14px;}
}
@media (max-width:991px){
  .ky-nav{display:none;}
  .ky-burger{display:inline-flex;}
  .ky-search-panel{display:none !important;}
  .ky-hero{padding:40px 0 52px;}
  .ky-hero h1{font-size:34px;}
  .ky-hero .ky-hero-sub{font-size:17px;}
  .ky-hero-deco{width:52%;opacity:.16;}
  .ky-section{padding:64px 0;}
  .ky-section-head h2{font-size:27px;}
  .ky-grid-2{grid-template-columns:1fr;}
  .ky-stat-band{grid-template-columns:repeat(2,1fr);padding:34px 26px;gap:24px;}
  .ky-split{grid-template-columns:1fr;gap:24px;}
  .ky-split.reverse .ky-split-media{order:0;}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .ky-cta{padding:38px 28px;}
  .ky-cta h2{font-size:25px;}
}
@media (max-width:767px){
  .ky-nav-wrap{height:56px;padding:0 16px;gap:12px;}
  .ky-nav-left{height:56px;gap:0;}
  .ky-logo-main{font-size:18px;}
  .ky-logo-sub{font-size:10px;letter-spacing:.6px;}
  .ky-nav-right{height:42px;padding:0 8px 0 12px;gap:8px;border-radius:var(--ky-r-pill);}
  .ky-nav-right .ky-btn{display:none;}
  .ky-container{padding:0 18px;}
  .ky-hero{padding:32px 0 42px;}
  .ky-hero h1{font-size:29px;letter-spacing:0;}
  .ky-hero .ky-hero-sub{font-size:16px;margin-top:14px;}
  .ky-hero-deco{display:none;}
  .ky-stat-row{gap:12px;margin-top:24px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
  .ky-stat-row::-webkit-scrollbar{display:none;}
  .ky-stat{min-width:142px;padding:14px 18px;flex:0 0 auto;}
  .ky-stat-num{font-size:26px;}
  .ky-section{padding:48px 0;}
  .ky-section-head{margin-bottom:30px;}
  .ky-section-head h2{font-size:23px;}
  .ky-section-head p{font-size:15px;}
  .ky-feature-body{padding:20px 20px 22px;}
  .ky-feature-body h3{font-size:18px;}
  .ky-stat-band{grid-template-columns:1fr;padding:28px 22px;}
  .ky-stat-band .num{font-size:28px;}
  .ky-table th,.ky-table td{padding:0 16px;font-size:14px;height:52px;}
  .ky-table{min-width:620px;}
  .ky-faq .accordion-button{font-size:16px;padding:16px 48px 16px 18px;}
  .ky-faq .accordion-button::after{right:16px;}
  .ky-faq .accordion-body{padding:0 18px 18px 18px;font-size:14.5px;}
  .ky-cta{padding:30px 22px;border-radius:var(--ky-r);}
  .ky-cta h2{font-size:22px;}
  .ky-cta .ky-cta-actions{width:100%;}
  .ky-cta .ky-cta-actions .ky-btn{width:100%;}
  .ky-footer{padding-top:46px;}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px;}
  .ky-footer-bottom{flex-direction:column;align-items:flex-start;}
  .ky-split-media{aspect-ratio:16/10;}
}
@media (max-width:520px){
  .ky-hero h1{font-size:26px;}
  .ky-section-head h2{font-size:21px;}
  .ky-btn{padding:12px 20px;font-size:14.5px;}
}

/* roulang page: category3 */
:root{
  --ky-primary:#14A89A;
  --ky-primary-deep:#0B7C72;
  --ky-primary-soft:#E6F7F4;
  --ky-accent:#FF7A3D;
  --ky-accent-soft:#FFF0E8;
  --ky-ink:#10292D;
  --ky-ink-2:#4A6569;
  --ky-line:#DCE9E7;
  --ky-bg:#F6FBF9;
  --ky-card:#FFFFFF;
  --ky-grad-main:linear-gradient(135deg,#17B3A4,#4FD6C6 55%,#A8ECDF);
  --ky-grad-hot:linear-gradient(120deg,#FF7A3D,#FFB26B);
  --ky-grad-ink:linear-gradient(160deg,#0F2E31,#0B7C72);
  --ky-r-sm:12px;
  --ky-r:20px;
  --ky-r-lg:28px;
  --ky-r-pill:999px;
  --ky-sh-1:0 4px 16px rgba(11,124,114,.08);
  --ky-sh-2:0 12px 36px rgba(11,124,114,.12);
  --ky-sh-3:0 24px 60px rgba(16,41,45,.14);
  --ky-ease:cubic-bezier(.4,0,.2,1);
}
*,*::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,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ky-ink);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:800;line-height:1.25;margin:0;letter-spacing:-.2px;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ky-ease);}
img{max-width:100%;display:block;height:auto;}
button,input,select,textarea{font:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:3px;border-radius:6px;}
.ky-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.ky-container{max-width:1200px;margin:0 auto;padding:0 24px;}
.ky-section{padding:96px 0;}
.ky-section--tight{padding:72px 0;}
@media (max-width:1199px){.ky-section{padding:76px 0;}}
@media (max-width:991px){.ky-section{padding:64px 0;} .ky-section--tight{padding:54px 0;}}
@media (max-width:767px){.ky-section{padding:48px 0;} .ky-section--tight{padding:44px 0;}}

/* ---------- 导航 ---------- */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--ky-line);
  box-shadow:0 4px 16px rgba(11,124,114,.06);
}
.ky-header-inner{
  max-width:1320px;margin:0 auto;padding:0 24px;
  display:flex;align-items:stretch;justify-content:space-between;gap:16px;min-height:64px;
}
.ky-header-left{display:flex;align-items:center;gap:28px;flex:1 1 auto;min-width:0;}
.ky-header-right{
  display:flex;align-items:center;gap:10px;
  padding-left:22px;
  background:linear-gradient(120deg,rgba(23,179,164,.10),rgba(168,236,223,.18));
  border-left:1px solid var(--ky-line);
  border-top-right-radius:var(--ky-r);
  border-bottom-right-radius:var(--ky-r);
}
.ky-logo{display:inline-flex;flex-direction:column;line-height:1.15;padding:4px 0;}
.ky-logo-main{font-size:21px;font-weight:800;color:var(--ky-primary-deep);letter-spacing:1px;}
.ky-logo-sub{font-size:11px;font-weight:500;letter-spacing:1px;color:var(--ky-ink-2);}
.ky-nav{display:flex;align-items:center;gap:26px;height:64px;}
.ky-nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ky-ink-2);
  display:inline-flex;align-items:center;height:64px;
}
.ky-nav-link::after{
  content:"";position:absolute;left:50%;bottom:14px;height:4px;width:0;
  border-radius:4px;background:var(--ky-primary);transform:translateX(-50%);
  transition:width .28s var(--ky-ease);
}
.ky-nav-link:hover{color:var(--ky-primary-deep);}
.ky-nav-link:hover::after{width:20px;}
.ky-nav-link.active{color:var(--ky-primary-deep);font-weight:700;}
.ky-nav-link.active::after{width:20px;}
.ky-icon-btn{
  width:40px;height:40px;border-radius:var(--ky-r-pill);
  border:1px solid var(--ky-line);background:#fff;color:var(--ky-primary-deep);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .25s var(--ky-ease);
}
.ky-icon-btn:hover{box-shadow:var(--ky-sh-1);transform:translateY(-2px);color:var(--ky-primary);}
.ky-burger{
  width:40px;height:40px;border-radius:var(--ky-r-pill);
  border:1px solid var(--ky-line);background:#fff;color:var(--ky-primary-deep);
  display:inline-flex;align-items:center;justify-content:center;
}
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--ky-r-pill);font-weight:700;cursor:pointer;
  transition:all .25s var(--ky-ease);border:0;
}
.ky-btn-sm{padding:9px 20px;font-size:14px;}
.ky-btn-lg{padding:15px 34px;font-size:16px;}
.ky-btn-accent{background:var(--ky-grad-hot);color:#fff;box-shadow:0 6px 18px rgba(255,122,61,.28);}
.ky-btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,122,61,.34);filter:brightness(1.03);color:#fff;}
.ky-btn-accent:active{transform:translateY(1px);}
.ky-btn-primary{background:var(--ky-primary);color:#fff;box-shadow:0 6px 18px rgba(20,168,154,.26);}
.ky-btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(20,168,154,.32);filter:brightness(1.03);color:#fff;}
.ky-btn-ghost{border:1.5px solid var(--ky-primary);color:var(--ky-primary-deep);background:#fff;}
.ky-btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--ky-sh-1);background:var(--ky-primary-soft);}
.ky-btn-ghost-light{border:1.5px solid rgba(255,255,255,.72);color:#fff;background:transparent;}
.ky-btn-ghost-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);color:#fff;}
.ky-text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;
  color:var(--ky-primary-deep);
}
.ky-text-link i{transition:transform .25s var(--ky-ease);}
.ky-text-link:hover{color:var(--ky-accent);}
.ky-text-link:hover i{transform:translateX(4px);}

/* 搜索面板 */
.ky-search-panel{
  display:none;border-top:1px solid var(--ky-line);background:#fff;
  padding:18px 0;box-shadow:0 12px 36px rgba(11,124,114,.08);
}
.ky-search-panel.open{display:block;}
.ky-search-panel .ky-container{display:flex;gap:12px;align-items:center;}
.ky-search-panel input{
  flex:1;height:48px;border-radius:var(--ky-r-pill);border:1px solid var(--ky-line);
  padding:0 22px;background:#fff;font-size:15px;
}
.ky-search-panel input:focus{outline:none;border-color:var(--ky-primary);box-shadow:0 0 0 3px rgba(20,168,154,.14);}

/* offcanvas */
.ky-offcanvas{background:#fff;width:300px;}
.ky-offcanvas .offcanvas-header{border-bottom:1px solid var(--ky-line);padding:18px 22px;}
.ky-offcanvas .offcanvas-body{padding:18px 22px;}
.ky-offcanvas .ky-m-link{
  display:flex;align-items:center;height:48px;font-size:15px;font-weight:500;
  color:var(--ky-ink-2);border-bottom:1px solid var(--ky-line);
}
.ky-offcanvas .ky-m-link.active{color:var(--ky-primary-deep);font-weight:700;}
.ky-offcanvas .ky-m-link:hover{color:var(--ky-primary);}

/* ---------- 面包屑 ---------- */
.ky-breadcrumb{font-size:13px;color:rgba(255,255,255,.72);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.ky-breadcrumb a{color:rgba(255,255,255,.82);}
.ky-breadcrumb a:hover{color:#fff;}
.ky-breadcrumb .sep{opacity:.5;}
.ky-breadcrumb .current{font-weight:700;color:#fff;}

/* ---------- Hero（深青渐变矮首屏） ---------- */
.ky-hero-faq{
  position:relative;overflow:hidden;
  background:var(--ky-grad-ink);
  padding:76px 0 66px;
  color:#fff;
}
.ky-hero-faq::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  top:-260px;right:-140px;
  background:radial-gradient(circle,rgba(79,214,198,.30),rgba(79,214,198,0) 68%);
}
.ky-hero-faq::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  bottom:-260px;left:-120px;
  background:radial-gradient(circle,rgba(255,122,61,.22),rgba(255,122,61,0) 70%);
}
.ky-hero-faq-inner{position:relative;z-index:2;max-width:860px;}
.ky-hero-faq h1{
  font-size:clamp(28px,4vw,48px);
  margin:22px 0 16px;
  letter-spacing:-.5px;
}
.ky-hero-faq .ky-hero-sub{
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);max-width:720px;
}
.ky-hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--ky-r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13px;font-weight:700;letter-spacing:.5px;
}
.ky-search-pill{
  margin-top:30px;display:flex;align-items:center;gap:8px;
  background:#fff;border-radius:var(--ky-r-pill);
  padding:7px 7px 7px 22px;max-width:640px;
  box-shadow:0 18px 40px rgba(6,40,42,.28);
}
.ky-search-pill i{color:var(--ky-primary);font-size:16px;}
.ky-search-pill input{
  flex:1;border:0;outline:none;height:44px;font-size:15px;background:transparent;min-width:0;
}
.ky-search-pill input::placeholder{color:#9AB2B4;}
.ky-search-pill .ky-search-btn{
  border:0;border-radius:var(--ky-r-pill);padding:12px 24px;font-size:14px;font-weight:700;
  background:var(--ky-grad-hot);color:#fff;white-space:nowrap;cursor:pointer;
  transition:all .25s var(--ky-ease);
}
.ky-search-pill .ky-search-btn:hover{filter:brightness(1.05);transform:translateY(-1px);}
.ky-hero-hint{margin-top:16px;font-size:13px;color:rgba(255,255,255,.66);}
.ky-hero-hint b{color:#fff;font-weight:700;}
@media (max-width:767px){
  .ky-hero-faq{padding:56px 0 48px;}
  .ky-hero-faq .ky-hero-sub{font-size:15px;}
  .ky-search-pill{padding:6px 6px 6px 18px;flex-wrap:wrap;}
  .ky-search-pill input{height:40px;font-size:14px;flex:1 1 140px;}
  .ky-search-pill .ky-search-btn{padding:10px 18px;font-size:13px;}
}

/* ---------- 数据徽章条 ---------- */
.ky-statbar{padding:26px 0;background:#fff;border-bottom:1px solid var(--ky-line);}
.ky-statbar-inner{display:flex;gap:16px;overflow-x:auto;scrollbar-width:none;}
.ky-statbar-inner::-webkit-scrollbar{display:none;}
.ky-stat-pill{
  display:flex;align-items:center;gap:14px;
  padding:14px 24px;border-radius:var(--ky-r-pill);
  background:var(--ky-primary-soft);border:1px solid var(--ky-line);
  flex:0 0 auto;
}
.ky-stat-pill .num{font-size:29px;font-weight:800;color:var(--ky-accent);line-height:1;}
.ky-stat-pill .lbl{font-size:13px;color:var(--ky-ink-2);line-height:1.4;}
@media (max-width:767px){
  .ky-stat-pill{padding:12px 18px;}
  .ky-stat-pill .num{font-size:24px;}
}

/* ---------- 通用标题 ---------- */
.ky-head{margin-bottom:40px;}
.ky-head .ky-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;color:var(--ky-primary-deep);
  background:var(--ky-primary-soft);border-radius:var(--ky-r-pill);padding:6px 16px;
  margin-bottom:16px;
}
.ky-head h2{font-size:clamp(22px,3vw,34px);}
.ky-head .ky-head-desc{margin-top:14px;color:var(--ky-ink-2);font-size:15.5px;max-width:760px;}
.ky-head--center{text-align:center;}
.ky-head--center .ky-head-desc{margin-left:auto;margin-right:auto;}

/* ---------- FAQ 手风琴 ---------- */
.ky-faq .accordion-item{
  border:1px solid var(--ky-line);border-radius:var(--ky-r)!important;
  background:#fff;overflow:hidden;margin-bottom:14px;box-shadow:none;
  transition:box-shadow .3s var(--ky-ease),transform .3s var(--ky-ease);
}
.ky-faq .accordion-item:hover{box-shadow:var(--ky-sh-1);}
.ky-faq .accordion-button{
  background:#fff;color:var(--ky-ink);font-size:17px;font-weight:700;
  padding:20px 26px;border:0;box-shadow:none!important;border-radius:var(--ky-r)!important;
  position:relative;
}
.ky-faq .accordion-button::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:26px;border-radius:3px;background:var(--ky-primary);
  transition:transform .28s var(--ky-ease);
}
.ky-faq .accordion-button:not(.collapsed){color:var(--ky-primary-deep);}
.ky-faq .accordion-button:not(.collapsed)::before{transform:translateY(-50%) scaleY(1);}
.ky-faq .accordion-button::after{
  content:"";width:10px;height:10px;background:none;
  border-right:2px solid var(--ky-primary);border-bottom:2px solid var(--ky-primary);
  transform:rotate(45deg);margin-left:auto;transition:transform .28s var(--ky-ease);
}
.ky-faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.ky-faq .accordion-body{
  padding:0 26px 24px;font-size:15px;color:var(--ky-ink-2);line-height:1.9;
}
.ky-faq .accordion-body p + p{margin-top:10px;}
.ky-faq .accordion-body ul.ky-dot{margin-top:12px;}
.ky-faq .accordion-body ul.ky-dot li{
  position:relative;padding-left:20px;margin-bottom:8px;
}
.ky-faq .accordion-body ul.ky-dot li::before{
  content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:2px;
  background:var(--ky-primary);
}
@media (max-width:767px){
  .ky-faq .accordion-button{font-size:15.5px;padding:17px 18px 17px 20px;}
  .ky-faq .accordion-body{padding:0 18px 20px 20px;font-size:14.5px;}
}

/* 分组 */
.ky-faq-group{margin-bottom:56px;}
.ky-faq-group:last-child{margin-bottom:0;}
.ky-group-head{display:flex;align-items:center;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.ky-group-index{
  width:46px;height:46px;flex:0 0 auto;border-radius:14px;
  background:var(--ky-grad-main);color:#fff;font-weight:800;font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--ky-sh-1);
}
.ky-group-head h2{font-size:clamp(20px,2.4vw,26px);}
.ky-group-head .ky-group-note{font-size:13.5px;color:var(--ky-ink-2);}
.ky-empty-search{
  display:none;text-align:center;padding:56px 24px;background:#fff;
  border:1px dashed var(--ky-line);border-radius:var(--ky-r-lg);color:var(--ky-ink-2);
}
.ky-empty-search.show{display:block;}
.ky-empty-search i{font-size:34px;color:var(--ky-primary);margin-bottom:14px;display:block;}

/* ---------- 排查流程时间轴 ---------- */
.ky-flow-wrap{
  background:#fff;border:1px solid var(--ky-line);border-radius:var(--ky-r-lg);
  padding:44px 40px;box-shadow:var(--ky-sh-1);
}
.ky-timeline{position:relative;padding-left:40px;margin-top:8px;}
.ky-timeline::before{
  content:"";position:absolute;left:13px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--ky-primary),rgba(20,168,154,.12));
}
.ky-tl-item{position:relative;margin-bottom:22px;}
.ky-tl-item:last-child{margin-bottom:0;}
.ky-tl-dot{
  position:absolute;left:-40px;top:16px;width:28px;height:28px;border-radius:50%;
  background:#fff;border:2px solid var(--ky-primary);color:var(--ky-primary-deep);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.ky-ticket{
  border:1px dashed var(--ky-line);border-radius:var(--ky-r);
  padding:20px 24px;background:var(--ky-bg);
  transition:all .3s var(--ky-ease);
}
.ky-ticket:hover{background:#fff;box-shadow:var(--ky-sh-1);transform:translateY(-3px);}
.ky-ticket h3{font-size:18px;margin-bottom:8px;}
.ky-ticket p{font-size:14.5px;color:var(--ky-ink-2);}
.ky-ticket .ky-ticket-meta{
  margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;
}
.ky-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;color:var(--ky-primary-deep);
  background:var(--ky-primary-soft);border-radius:var(--ky-r-pill);padding:4px 12px;
}
@media (max-width:767px){
  .ky-flow-wrap{padding:28px 20px;}
  .ky-timeline{padding-left:32px;}
  .ky-tl-dot{left:-32px;width:24px;height:24px;font-size:11px;}
  .ky-ticket{padding:16px 18px;}
}

/* ---------- 联系入口 ---------- */
.ky-contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;}
.ky-card{
  background:var(--ky-card);border:1px solid var(--ky-line);
  border-radius:var(--ky-r-lg);padding:32px;
  transition:all .3s var(--ky-ease);
}
.ky-card:hover{box-shadow:var(--ky-sh-2);}
.ky-contact-form h3{font-size:22px;margin-bottom:10px;}
.ky-contact-form p.lead{font-size:15px;color:var(--ky-ink-2);margin-bottom:24px;}
.ky-field{margin-bottom:18px;}
.ky-field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;}
.ky-field input,.ky-field select,.ky-field textarea{
  width:100%;height:48px;border-radius:14px;border:1px solid var(--ky-line);
  padding:0 16px;background:#fff;font-size:15px;transition:all .25s var(--ky-ease);
}
.ky-field textarea{height:120px;padding:14px 16px;resize:vertical;line-height:1.7;}
.ky-field input:focus,.ky-field select:focus,.ky-field textarea:focus{
  outline:none;border-color:var(--ky-primary);box-shadow:0 0 0 3px rgba(20,168,154,.14);
}
.ky-field input::placeholder,.ky-field textarea::placeholder{color:#9AB2B4;font-size:14px;}
.ky-check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ky-ink-2);margin-bottom:20px;}
.ky-check input{width:18px;height:18px;margin-top:3px;accent-color:var(--ky-primary);flex:0 0 auto;}
.ky-contact-side{
  background:var(--ky-grad-ink);color:#fff;border-radius:var(--ky-r-lg);
  padding:32px;display:flex;flex-direction:column;gap:18px;
}
.ky-contact-side h3{font-size:20px;color:#fff;}
.ky-contact-side p{font-size:14.5px;color:rgba(255,255,255,.82);}
.ky-contact-item{display:flex;gap:14px;align-items:flex-start;}
.ky-contact-item i{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  background:rgba(255,255,255,.12);color:#8FE7DB;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}
.ky-contact-item .t{font-size:13px;color:rgba(255,255,255,.62);}
.ky-contact-item .v{font-size:15px;font-weight:700;color:#fff;}
.ky-contact-side img{
  border-radius:var(--ky-r);margin-top:6px;object-fit:cover;width:100%;height:170px;
}
@media (max-width:991px){
  .ky-contact-grid{grid-template-columns:1fr;}
  .ky-card{padding:24px;}
  .ky-contact-side{padding:24px;}
}

/* ---------- CTA 条 ---------- */
.ky-cta-band{
  background:var(--ky-grad-ink);border-radius:32px;color:#fff;
  padding:48px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.ky-cta-band::after{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  right:-120px;top:-160px;background:radial-gradient(circle,rgba(79,214,198,.28),transparent 68%);
}
.ky-cta-band .ky-cta-text{position:relative;z-index:2;}
.ky-cta-band h2{font-size:clamp(20px,2.6vw,30px);color:#fff;}
.ky-cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);max-width:620px;}
.ky-cta-band .ky-cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
@media (max-width:991px){
  .ky-cta-band{flex-direction:column;align-items:flex-start;padding:36px 26px;border-radius:26px;}
}

/* ---------- 页脚 ---------- */
.ky-footer{background:var(--ky-grad-ink);color:#fff;padding:72px 0 0;margin-top:0;}
.ky-footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;
}
.ky-footer .ky-logo-main{color:#fff;}
.ky-footer .ky-logo-sub{color:rgba(255,255,255,.7);}
.ky-footer p{font-size:14.5px;color:rgba(255,255,255,.76);line-height:1.9;}
.ky-footer-title{font-weight:800;font-size:15px;margin-bottom:18px;letter-spacing:.5px;}
.ky-footer-links{display:flex;flex-direction:column;gap:12px;}
.ky-footer-links a{font-size:14.5px;color:rgba(255,255,255,.76);}
.ky-footer-links a:hover{color:#8FE7DB;}
.ky-footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.ky-footer-bottom p{font-size:13.5px;color:rgba(255,255,255,.66);margin:0;}
.ky-top-btn{
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:#fff;
  border-radius:var(--ky-r-pill);padding:9px 20px;font-size:13.5px;font-weight:600;cursor:pointer;
  transition:all .25s var(--ky-ease);display:inline-flex;align-items:center;gap:8px;
}
.ky-top-btn:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
@media (max-width:991px){
  .ky-footer{padding:52px 0 0;}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .ky-footer-grid{grid-template-columns:1fr;}
}