/* roulang page: index */
:root{
  --ky-ink:#0E2A28;
  --ky-primary:#12524C;
  --ky-primary-700:#0D443F;
  --ky-primary-300:#4E8580;
  --ky-accent:#C8863C;
  --ky-accent-soft:#F0E1CB;
  --ky-mist:#7FA6A1;
  --ky-bg:#F7F6F2;
  --ky-surface:#FFFFFF;
  --ky-line:#E2E0D8;
  --ky-text:#1B2624;
  --ky-text-2:#5A6663;
  --ky-soft:#F2F5F4;
  --ky-radius-s:8px;
  --ky-radius-m:14px;
  --ky-radius-l:22px;
  --shadow-s:0 2px 8px rgba(14,42,40,.06);
  --shadow-m:0 10px 28px rgba(14,42,40,.10);
  --ky-ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--ky-bg);
  color:var(--ky-text);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ky-primary);text-decoration:none;transition:color .3s var(--ky-ease)}
a:hover{color:var(--ky-accent)}
a:visited{color:var(--ky-primary)}
p{margin:0 0 1.25em}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;letter-spacing:.01em;color:var(--ky-text);line-height:1.35}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--ky-mist);outline-offset:2px;box-shadow:0 0 0 4px rgba(127,166,161,.22);border-radius:6px}
::selection{background:var(--ky-accent-soft);color:var(--ky-ink)}

/* ============ 通用容器与板块 ============ */
.ky-container{max-width:1200px;margin:0 auto;padding:0 24px}
.ky-container-wide{max-width:1240px;margin:0 auto;padding:0 24px}
.ky-section{padding:96px 0}
.ky-section + .ky-section{border-top:1px solid var(--ky-line);padding-top:88px}
.ky-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.ky-section-head h2{font-size:clamp(24px,2.6vw,32px);margin:0}
.ky-section-head .ky-sub{margin:10px 0 0;color:var(--ky-text-2);font-size:15px;line-height:1.7}
.ky-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ky-primary-300);text-transform:uppercase;margin-bottom:12px}
.ky-eyebrow::before{content:"";width:22px;height:2px;background:var(--ky-accent);display:inline-block;border-radius:2px}
.ky-link{color:var(--ky-primary);border-bottom:1px solid var(--ky-primary-300);padding-bottom:2px;font-size:15px;transition:border-color .3s var(--ky-ease),color .3s var(--ky-ease)}
.ky-link:hover{color:var(--ky-accent);border-bottom-color:var(--ky-accent)}
.ky-text-2{color:var(--ky-text-2)}

/* ============ 按钮 ============ */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;letter-spacing:.02em;
  transition:all .3s var(--ky-ease);white-space:nowrap;
}
.ky-btn-primary{background:var(--ky-primary);color:#fff}
.ky-btn-primary:hover{background:var(--ky-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-m)}
.ky-btn-primary:active{transform:translateY(0);box-shadow:none}
.ky-btn-ghost{background:transparent;color:var(--ky-text);border-color:var(--ky-line)}
.ky-btn-ghost:hover{color:var(--ky-primary);border-color:var(--ky-primary-300);background:var(--ky-soft)}
.ky-btn-accent{background:var(--ky-accent);color:#2A1B08}
.ky-btn-accent:hover{background:#B4762F;color:#2A1B08;transform:translateY(-1px);box-shadow:var(--shadow-m)}
.ky-btn-accent:active{transform:translateY(0);box-shadow:none}

/* ============ 徽章 ============ */
.ky-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  background:var(--ky-accent-soft);color:#8A5A1E;font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.ky-badge-ghost{background:transparent;border:1px solid var(--ky-line);color:var(--ky-text-2)}
.ky-dot{width:6px;height:6px;border-radius:50%;background:var(--ky-accent);display:inline-block;margin-right:6px}

/* ============ 导航 ============ */
.ky-header{
  position:sticky;top:0;z-index:1030;background:var(--ky-bg);
  transition:background .3s var(--ky-ease),box-shadow .3s var(--ky-ease),border-color .3s var(--ky-ease);
  border-bottom:1px solid transparent;
}
.ky-header.is-scrolled{background:#fff;border-bottom:1px solid var(--ky-line);box-shadow:var(--shadow-s)}
.ky-nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;min-height:76px;
}
.ky-nav-left{display:flex;align-items:center;gap:6px;justify-content:flex-start}
.ky-nav-right{display:flex;align-items:center;gap:6px;justify-content:flex-end}
.ky-nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ky-text-2);
  padding:10px 12px;line-height:1;border-radius:8px;transition:color .3s var(--ky-ease)
}
.ky-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--ky-primary);
  transform:scaleX(0);transform-origin:left center;transition:transform .3s var(--ky-ease);border-radius:2px;
}
.ky-nav-link:hover{color:var(--ky-primary)}
.ky-nav-link:hover::after{transform:scaleX(1)}
.ky-nav-link.is-active{color:var(--ky-primary);font-weight:600}
.ky-nav-link.is-active::after{transform:scaleX(1);background:var(--ky-accent)}
.ky-nav-btn{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;margin-left:8px;
  border:1px solid var(--ky-line);border-radius:999px;font-size:14px;font-weight:600;color:var(--ky-text);
  transition:all .3s var(--ky-ease)
}
.ky-nav-btn:hover{border-color:var(--ky-primary-300);color:var(--ky-primary);background:var(--ky-soft)}
.ky-logo{display:flex;align-items:center;gap:10px;justify-content:center;white-space:nowrap}
.ky-logo-mark{
  width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--ky-primary),var(--ky-primary-300));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex:0 0 auto;
  box-shadow:var(--shadow-s)
}
.ky-logo-text{font-size:19px;font-weight:700;color:var(--ky-ink);letter-spacing:.02em}
.ky-burger{
  width:44px;height:44px;border:1px solid var(--ky-line);background:#fff;border-radius:12px;
  display:flex;align-items:center;justify-content:center;color:var(--ky-primary);font-size:17px;cursor:pointer
}
.ky-mobile-panel{
  border-top:1px solid var(--ky-line);background:#fff;box-shadow:var(--shadow-s);
}
.ky-mobile-panel .ky-m-list{padding:8px 24px 20px}
.ky-mobile-panel .ky-m-item{
  display:flex;align-items:center;justify-content:space-between;height:48px;border-bottom:1px solid var(--ky-line);
  font-size:15px;color:var(--ky-text);font-weight:500
}
.ky-mobile-panel .ky-m-item.is-active{color:var(--ky-primary);font-weight:600}
.ky-mobile-panel .ky-m-item:last-of-type{border-bottom:0}
.ky-mobile-panel .ky-m-btn{margin-top:14px;width:100%}

/* ============ Hero ============ */
.ky-hero{position:relative;overflow:hidden;padding:72px 0 88px}
.ky-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 380px at 88% 4%,rgba(18,82,76,.07),transparent 68%),
    radial-gradient(520px 300px at 4% 92%,rgba(200,134,60,.06),transparent 70%);
}
.ky-hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.ky-hero h1{font-size:clamp(30px,4.2vw,46px);font-weight:700;line-height:1.28;letter-spacing:.01em;margin-bottom:20px}
.ky-hero h1 em{font-style:normal;color:var(--ky-primary);position:relative}
.ky-hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;background:var(--ky-accent-soft);
  border-radius:4px;z-index:-1
}
.ky-hero-lead{font-size:18px;color:var(--ky-text-2);line-height:1.8;max-width:34em;margin-bottom:28px}
.ky-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.ky-hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.ky-chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--ky-line);font-size:13.5px;color:var(--ky-text-2);box-shadow:var(--shadow-s)
}
.ky-chip i{color:var(--ky-primary-300);font-size:12px}
.ky-hero-media{position:relative;border-radius:var(--ky-radius-l);overflow:hidden;box-shadow:var(--shadow-m)}
.ky-hero-media img{width:100%;height:440px;object-fit:cover;transition:transform .5s var(--ky-ease)}
.ky-hero-media:hover img{transform:scale(1.03)}
.ky-hero-media figcaption{
  position:absolute;left:18px;bottom:18px;background:rgba(14,42,40,.78);color:#fff;
  padding:10px 16px;border-radius:12px;font-size:13.5px;backdrop-filter:blur(4px)
}

/* ============ 快讯条 ============ */
.ky-ticker{
  background:var(--ky-ink);border-radius:var(--ky-radius-m);padding:16px 24px;display:flex;align-items:center;gap:18px;
  color:#fff;flex-wrap:wrap;box-shadow:var(--shadow-s);margin-bottom:44px
}
.ky-ticker-tag{
  display:inline-flex;align-items:center;gap:6px;background:var(--ky-accent);color:#2A1B08;font-weight:700;
  font-size:12.5px;height:26px;padding:0 12px;border-radius:6px;flex:0 0 auto
}
.ky-ticker p{margin:0;font-size:14.5px;color:rgba(255,255,255,.82);line-height:1.7}
.ky-ticker a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4)}
.ky-ticker a:hover{color:var(--ky-accent-soft);border-bottom-color:var(--ky-accent)}

/* ============ 要点卡 ============ */
.ky-point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.ky-point{
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-radius-m);
  padding:24px;box-shadow:var(--shadow-s);transition:all .3s var(--ky-ease)
}
.ky-point:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:var(--ky-primary-300)}
.ky-point i{font-size:20px;color:var(--ky-primary);margin-bottom:14px;display:block}
.ky-point h3{font-size:19px;margin-bottom:8px}
.ky-point p{margin:0;font-size:14.5px;color:var(--ky-text-2);line-height:1.75}

/* ============ 索引目录 ============ */
.ky-index-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.ky-index-item{
  position:relative;display:flex;gap:18px;padding:20px 16px 20px 18px;border-bottom:1px solid var(--ky-line);
  transition:background .3s var(--ky-ease)
}
.ky-index-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--ky-accent);
  border-radius:2px;transform:scaleY(0);transform-origin:center;transition:transform .3s var(--ky-ease)
}
.ky-index-item:hover{background:var(--ky-soft)}
.ky-index-item:hover::before{transform:scaleY(1)}
.ky-index-num{font-size:22px;font-weight:600;color:var(--ky-primary-300);line-height:1.4;flex:0 0 auto;letter-spacing:.02em}
.ky-index-title{display:block;font-size:17.5px;font-weight:600;color:var(--ky-text);margin-bottom:4px}
.ky-index-desc{display:block;font-size:14px;color:var(--ky-text-2);line-height:1.7}

/* ============ 精选条目 ============ */
.ky-feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start}
.ky-card{
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-radius-m);
  overflow:hidden;box-shadow:var(--shadow-s);transition:all .3s var(--ky-ease);height:100%;
  display:flex;flex-direction:column
}
.ky-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m)}
.ky-card-media{display:block;overflow:hidden;background:var(--ky-bg)}
.ky-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ky-ease)}
.ky-card:hover .ky-card-media img{transform:scale(1.03)}
.ky-card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.ky-card-title{font-size:18px;font-weight:600;margin:0;line-height:1.5}
.ky-card-title a{color:var(--ky-text)}
.ky-card-title a:hover{color:var(--ky-primary)}
.ky-card-desc{margin:0;font-size:14.5px;color:var(--ky-text-2);line-height:1.75}
.ky-card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--ky-line);font-size:13.5px;color:var(--ky-text-2)}
.ky-feature-main .ky-card-media img{aspect-ratio:16/9;height:auto}
.ky-feature-main .ky-card-title{font-size:22px}
.ky-mini-list{display:flex;flex-direction:column;gap:18px}
.ky-mini-card{
  display:flex;gap:16px;align-items:center;background:var(--ky-surface);border:1px solid var(--ky-line);
  border-radius:var(--ky-radius-m);padding:16px;box-shadow:var(--shadow-s);transition:all .3s var(--ky-ease)
}
.ky-mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:var(--ky-primary-300)}
.ky-mini-thumb{width:96px;height:96px;border-radius:12px;object-fit:cover;flex:0 0 auto}
.ky-mini-title{display:block;font-size:16.5px;font-weight:600;color:var(--ky-text);margin-top:8px;line-height:1.55}
.ky-mini-card:hover .ky-mini-title{color:var(--ky-primary)}

/* ============ 最新信息列表 ============ */
.ky-post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.ky-post-grid .ky-card-media img{aspect-ratio:4/3;height:auto}
.ky-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:220px;max-height:240px;background:var(--ky-surface);border:1px dashed var(--ky-line);
  border-radius:var(--ky-radius-m);text-align:center;padding:30px
}
.ky-empty i{font-size:44px;color:var(--ky-primary-300)}
.ky-empty p{margin:0;font-size:15px;color:var(--ky-text-2)}

/* ============ 相关推荐（三列） ============ */
.ky-rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ky-rec-grid .ky-card-media img{aspect-ratio:16/9;height:auto}
.ky-rec-grid .ky-card-title{font-size:17.5px}

/* ============ FAQ ============ */
.ky-faq{display:flex;flex-direction:column;gap:12px}
.ky-faq-item{
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--ky-radius-m);
  overflow:hidden;position:relative;transition:border-color .3s var(--ky-ease),box-shadow .3s var(--ky-ease)
}
.ky-faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--ky-accent);
  transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ky-ease)
}
.ky-faq-item.is-open::before{transform:scaleY(1)}
.ky-faq-item.is-open{border-color:var(--ky-primary-300);box-shadow:var(--shadow-s)}
.ky-faq-q{
  width:100%;background:none;border:0;text-align:left;padding:20px 56px 20px 24px;font-size:17px;font-weight:600;
  color:var(--ky-text);cursor:pointer;position:relative;line-height:1.6
}
.ky-faq-q i{position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--ky-primary-300);transition:transform .3s var(--ky-ease);font-size:14px}
.ky-faq-item.is-open .ky-faq-q i{transform:translateY(-50%) rotate(180deg);color:var(--ky-accent)}
.ky-faq-a{display:none;padding:0 24px 22px;font-size:15px;color:var(--ky-text-2);line-height:1.85}
.ky-faq-item.is-open .ky-faq-a{display:block}

/* ============ CTA 条 ============ */
.ky-cta{
  background:var(--ky-accent-soft);border-radius:var(--ky-radius-l);padding:34px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  border:1px solid rgba(200,134,60,.28)
}
.ky-cta h2{font-size:24px;margin:0 0 8px}
.ky-cta p{margin:0;color:#6A4E22;font-size:15px;line-height:1.75}
.ky-cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.ky-footer{background:var(--ky-ink);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:0}
.ky-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.ky-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.ky-footer p{font-size:14px;line-height:1.85;margin:0 0 12px;color:rgba(255,255,255,.78)}
.ky-footer a{color:rgba(255,255,255,.78);font-size:14px;display:block;padding:6px 0;transition:color .3s var(--ky-ease)}
.ky-footer a:hover{color:var(--ky-accent-soft)}
.ky-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.ky-footer-brand .ky-logo-mark{background:rgba(255,255,255,.12);box-shadow:none}
.ky-footer-brand span{color:#fff;font-size:18px;font-weight:700;letter-spacing:.02em}
.ky-footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.6)
}
.ky-footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.ky-footer-tags span{
  font-size:12.5px;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:4px 12px;color:rgba(255,255,255,.7)
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .ky-feature-grid{grid-template-columns:1fr 1fr}
  .ky-post-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .ky-container,.ky-container-wide{padding:0 20px}
  .ky-section{padding:64px 0}
  .ky-section + .ky-section{padding-top:56px}
  .ky-nav-wrap{grid-template-columns:auto 1fr auto;min-height:66px}
  .ky-logo-text{font-size:17px}
  .ky-hero{padding:48px 0 64px}
  .ky-hero-grid{grid-template-columns:1fr;gap:32px}
  .ky-hero-media img{height:300px}
  .ky-hero-media figcaption{left:12px;bottom:12px;font-size:12.5px;padding:8px 12px}
  .ky-feature-grid{grid-template-columns:1fr}
  .ky-rec-grid{grid-template-columns:repeat(2,1fr)}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .ky-index-grid{grid-template-columns:1fr;gap:0}
}
@media (max-width:767px){
  .ky-container,.ky-container-wide{padding:0 18px}
  .ky-section{padding:48px 0}
  .ky-section + .ky-section{padding-top:44px}
  .ky-hero h1{font-size:30px}
  .ky-hero-lead{font-size:16.5px}
  .ky-hero-media img{height:240px}
  .ky-post-grid{grid-template-columns:1fr}
  .ky-point-grid{grid-template-columns:1fr}
  .ky-rec-grid{grid-template-columns:1fr}
  .ky-cta{padding:26px 22px}
  .ky-cta h2{font-size:21px}
  .ky-ticker{padding:14px 18px;gap:12px}
  .ky-footer{padding:52px 0 0}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .ky-footer-bottom{flex-direction:column;gap:8px}
  .ky-mini-thumb{width:84px;height:84px}
  .ky-index-num{font-size:20px}
}
@media (max-width:575px){
  .ky-container,.ky-container-wide{padding:0 16px}
  .ky-btn{width:100%}
  .ky-hero-actions{flex-direction:column}
  .ky-cta-actions{width:100%;flex-direction:column}
  .ky-index-item{gap:12px;padding:16px 12px 16px 14px}
  .ky-card-body{padding:18px}
}

/* roulang page: category1 */
:root{
  --ky-ink:#0E2A28;
  --ky-primary:#12524C;
  --ky-primary-700:#0D443F;
  --ky-primary-300:#4E8580;
  --ky-accent:#C8863C;
  --ky-accent-soft:#F0E1CB;
  --ky-mist:#7FA6A1;
  --ky-bg:#F7F6F2;
  --ky-surface:#FFFFFF;
  --ky-line:#E2E0D8;
  --ky-text:#1B2624;
  --ky-text-2:#5A6663;
  --ky-soft:#F2F5F4;
  --shadow-s:0 2px 8px rgba(14,42,40,.06);
  --shadow-m:0 10px 28px rgba(14,42,40,.10);
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --ease:.3s cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ky-text);
  background:var(--ky-bg);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ky-primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
a:hover{color:var(--ky-accent)}
a:visited{color:var(--ky-primary)}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;line-height:1.32;letter-spacing:.01em;color:var(--ky-text)}
h1{font-size:clamp(30px,4.2vw,46px)}
h2{font-size:clamp(24px,2.6vw,32px);font-weight:700}
h3{font-size:21px;font-weight:600}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.25em;padding-left:1.2em}
li{line-height:1.9;margin-bottom:8px}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--ky-mist);outline-offset:2px;box-shadow:0 0 0 4px rgba(127,166,161,.22);border-radius:6px}
::selection{background:var(--ky-accent-soft);color:var(--ky-ink)}

.ky-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.ky-container--wide{max-width:1240px}

/* ---------- 导航 ---------- */
.ky-header{
  position:sticky;top:0;z-index:1040;
  background:var(--ky-bg);
  border-bottom:1px solid transparent;
  transition:background-color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.ky-header.is-scrolled{background:var(--ky-surface);border-bottom-color:var(--ky-line);box-shadow:var(--shadow-s)}
.ky-nav{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;gap:16px;
}
.ky-nav-side{display:flex;align-items:center;gap:20px;flex:1 1 0;min-width:0}
.ky-nav-side--right{justify-content:flex-end}
.ky-nav-left,.ky-nav-right{align-items:center;gap:26px}
.ky-nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ky-text-2);
  padding:6px 0;white-space:nowrap;
}
.ky-nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--ky-primary);transition:width var(--ease);
}
.ky-nav-link:hover{color:var(--ky-primary)}
.ky-nav-link:hover::after{width:100%}
.ky-nav-link.is-active{color:var(--ky-primary);font-weight:600}
.ky-nav-link.is-active::after{width:100%;background:var(--ky-accent)}
.ky-logo{
  display:inline-flex;align-items:center;gap:10px;
  flex:0 0 auto;white-space:nowrap;
}
.ky-logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:var(--ky-primary);color:#fff;
  font-weight:700;font-size:18px;letter-spacing:.02em;
}
.ky-logo-text{
  font-size:19px;font-weight:700;color:var(--ky-text);letter-spacing:.01em;
}
.ky-logo:hover .ky-logo-text{color:var(--ky-primary)}
.ky-nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 16px;border-radius:12px;
  border:1px solid var(--ky-line);color:var(--ky-text);
  font-size:14px;font-weight:500;background:transparent;
  transition:border-color var(--ease),background-color var(--ease),color var(--ease);
}
.ky-nav-cta:hover{border-color:var(--ky-primary-300);background:var(--ky-soft);color:var(--ky-primary)}
.ky-burger{
  width:44px;height:44px;border:1px solid var(--ky-line);background:var(--ky-surface);
  border-radius:12px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;
}
.ky-burger span{display:block;width:18px;height:2px;background:var(--ky-text);border-radius:2px}
.ky-icon-btn{
  width:44px;height:44px;border:1px solid var(--ky-line);background:var(--ky-surface);
  border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ky-primary);cursor:pointer;
}
.ky-mobile-panel{background:var(--ky-surface);border-top:1px solid var(--ky-line);box-shadow:var(--shadow-m)}
.ky-mobile-panel .ky-m-item{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 24px;
  border-bottom:1px solid var(--ky-line);
  color:var(--ky-text);font-size:15px;
}
.ky-mobile-panel .ky-m-item.is-active{color:var(--ky-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--ky-accent)}
.ky-mobile-panel .ky-m-pad{padding:16px 24px 22px}
.ky-nav-scrim{position:fixed;inset:76px 0 0;background:rgba(14,42,40,.32);opacity:0;pointer-events:none;transition:opacity var(--ease);z-index:1035}
.ky-nav-scrim.is-show{opacity:1;pointer-events:auto}

/* ---------- 按钮 ---------- */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform var(--ease),background-color var(--ease),border-color var(--ease),box-shadow var(--ease),color var(--ease);
}
.ky-btn--primary{background:var(--ky-primary);color:#fff}
.ky-btn--primary:hover{background:var(--ky-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-m)}
.ky-btn--primary:active{transform:translateY(0);box-shadow:none}
.ky-btn--ghost{background:transparent;border-color:var(--ky-line);color:var(--ky-text)}
.ky-btn--ghost:hover{border-color:var(--ky-primary-300);background:var(--ky-soft);color:var(--ky-primary)}
.ky-btn--accent{background:var(--ky-accent);color:#2A1B08}
.ky-btn--accent:hover{background:#B87A32;color:#2A1B08;transform:translateY(-1px);box-shadow:var(--shadow-m)}
.ky-btn--accent:active{transform:translateY(0);box-shadow:none}
.ky-btn--sm{height:40px;padding:0 16px;font-size:14px}
.ky-text-link{
  font-weight:600;color:var(--ky-primary);
  border-bottom:1px solid var(--ky-primary-300);
}
.ky-text-link:hover{color:var(--ky-accent);border-bottom-color:var(--ky-accent)}

/* ---------- 徽章/标签 ---------- */
.ky-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:6px;
  background:var(--ky-accent-soft);color:#8A5A21;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.ky-badge--outline{background:transparent;border:1px solid var(--ky-line);color:var(--ky-text-2)}
.ky-chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;border:1px solid var(--ky-line);background:var(--ky-surface);
  font-size:13.5px;color:var(--ky-text-2);
}

/* ---------- 头图条 ---------- */
.ky-hero{
  position:relative;
  min-height:300px;
  display:flex;align-items:center;
  background-image:linear-gradient(rgba(14,42,40,.42),rgba(14,42,40,.46)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-radius:0 0 var(--r-l) var(--r-l);
  overflow:hidden;
}
.ky-hero-inner{padding:56px 0 52px;max-width:820px}
.ky-hero .ky-badge{background:rgba(240,225,203,.92);color:#8A5A21}
.ky-hero h1{color:#fff;margin:16px 0 14px}
.ky-hero p{color:rgba(255,255,255,.86);font-size:17px;margin:0;max-width:720px}
.ky-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--ky-text-2);padding:20px 0 0;
}
.ky-breadcrumb a{color:var(--ky-text-2)}
.ky-breadcrumb a:hover{color:var(--ky-primary)}
.ky-breadcrumb span.sep{color:var(--ky-primary-300)}
.ky-breadcrumb .current{color:var(--ky-text);font-weight:600}

/* ---------- 板块通用 ---------- */
.ky-section{padding:88px 0}
.ky-section--tight{padding:64px 0 88px}
.ky-section--line{border-top:1px solid var(--ky-line);margin-top:56px;padding-top:56px}
.ky-section-head{max-width:760px;margin-bottom:40px}
.ky-section-head .ky-badge{margin-bottom:14px}
.ky-section-head p{color:var(--ky-text-2);font-size:16px;margin:0}
.ky-lead{font-size:17px;color:var(--ky-text-2);max-width:820px}

/* ---------- 要点条 ---------- */
.ky-points{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ky-point{
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--r-m);
  padding:24px;box-shadow:var(--shadow-s);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.ky-point:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:var(--ky-primary-300)}
.ky-point .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--ky-soft);
  color:var(--ky-primary);font-weight:700;font-size:14px;margin-bottom:14px;
}
.ky-point h3{font-size:18px;margin-bottom:8px}
.ky-point p{color:var(--ky-text-2);font-size:14.5px;line-height:1.75;margin:0}

/* ---------- 图文交错块 ---------- */
.ky-media{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.ky-media + .ky-media{margin-top:56px;padding-top:56px;border-top:1px solid var(--ky-line)}
.ky-media--reverse .ky-media-figure{order:2}
.ky-media-figure{
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--shadow-m);
  background:var(--ky-bg);position:relative;
}
.ky-media-figure img{width:100%;height:340px;object-fit:cover;transition:transform .6s cubic-bezier(.22,.61,.36,1)}
.ky-media-figure:hover img{transform:scale(1.03)}
.ky-media-body .ky-badge{margin-bottom:12px}
.ky-media-body h3{font-size:24px;margin-bottom:14px}
.ky-media-body p{color:var(--ky-text-2);margin-bottom:16px}
.ky-checklist{list-style:none;padding:0;margin:0}
.ky-checklist li{
  position:relative;padding-left:26px;margin-bottom:10px;font-size:15px;color:var(--ky-text);
}
.ky-checklist li::before{
  content:"";position:absolute;left:2px;top:12px;
  width:9px;height:9px;border-radius:3px;background:var(--ky-primary-300);
}

/* ---------- 序号清单块 ---------- */
.ky-steps{list-style:none;padding:0;margin:0;border-top:1px solid var(--ky-line)}
.ky-steps li{
  display:grid;grid-template-columns:76px 1fr;gap:20px;align-items:start;
  padding:22px 4px;border-bottom:1px solid var(--ky-line);
  transition:background-color var(--ease),box-shadow var(--ease);
}
.ky-steps li:hover{background:var(--ky-soft);box-shadow:inset 3px 0 0 var(--ky-accent)}
.ky-steps .num{
  font-size:22px;font-weight:600;color:var(--ky-primary-300);line-height:1.4;
  font-variant-numeric:tabular-nums;
}
.ky-steps h3{font-size:17px;font-weight:600;margin-bottom:6px}
.ky-steps p{color:var(--ky-text-2);font-size:14.5px;line-height:1.75;margin:0}

/* ---------- 提示条 ---------- */
.ky-note{
  border-left:3px solid var(--ky-mist);
  padding:16px 20px;
  background:var(--ky-surface);
  border-radius:0 var(--r-m) var(--r-m) 0;
  color:var(--ky-text-2);font-size:15px;
}
.ky-note strong{color:var(--ky-text)}

/* ---------- FAQ ---------- */
.ky-faq-wrap{max-width:880px}
.ky-faq .accordion-item{
  border:1px solid var(--ky-line);border-radius:var(--r-m)!important;
  background:var(--ky-surface);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-s);
}
.ky-faq .accordion-button{
  background:var(--ky-surface);color:var(--ky-text);
  font-size:17px;font-weight:600;line-height:1.6;
  padding:18px 22px;border:0;box-shadow:none;border-radius:var(--r-m)!important;
}
.ky-faq .accordion-button:not(.collapsed){
  color:var(--ky-primary);background:var(--ky-surface);
  box-shadow:inset 3px 0 0 var(--ky-accent);
}
.ky-faq .accordion-button::after{
  width:16px;height:16px;background-size:16px;
  filter:invert(28%) sepia(12%) saturate(1200%) hue-rotate(120deg);
}
.ky-faq .accordion-button:focus{box-shadow:inset 3px 0 0 var(--ky-accent),0 0 0 4px rgba(127,166,161,.22)}
.ky-faq .accordion-body{
  padding:4px 22px 22px;color:var(--ky-text-2);font-size:15px;line-height:1.85;
}
.ky-faq .accordion-body p{margin-bottom:.9em}

/* ---------- CTA 条 ---------- */
.ky-cta{
  background:var(--ky-accent-soft);border-radius:var(--r-l);
  padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.ky-cta h2{font-size:24px;margin-bottom:8px}
.ky-cta p{margin:0;color:#6B5636;font-size:15px}
.ky-cta-actions{display:flex;gap:12px;flex:0 0 auto}
.ky-cta-actions .ky-btn--ghost{background:rgba(255,255,255,.7);border-color:rgba(200,134,60,.45);color:#4A3717}
.ky-cta-actions .ky-btn--ghost:hover{background:#fff;border-color:var(--ky-accent);color:#4A3717}

/* ---------- 返回入口 ---------- */
.ky-backbar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:var(--ky-surface);border:1px solid var(--ky-line);
  border-radius:var(--r-m);box-shadow:var(--shadow-s);margin-bottom:24px;
}
.ky-backbar p{margin:0;color:var(--ky-text-2);font-size:15px}

/* ---------- 页脚 ---------- */
.ky-footer{background:var(--ky-ink);color:rgba(255,255,255,.78);margin-top:88px;padding:64px 0 0}
.ky-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.ky-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.ky-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.78)}
.ky-footer a{display:block;font-size:14px;color:rgba(255,255,255,.78);margin-bottom:10px;transition:color var(--ease)}
.ky-footer a:hover{color:var(--ky-accent)}
.ky-footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:16px}
.ky-footer-brand .ky-logo-mark{background:var(--ky-primary-300);color:#fff}
.ky-footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.ky-footer-tags span{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);font-size:12.5px;
}
.ky-footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .ky-container{padding-left:20px;padding-right:20px}
  .ky-media{gap:36px}
  .ky-footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .ky-nav{height:68px}
  .ky-nav-scrim{inset:68px 0 0}
  .ky-section{padding:64px 0}
  .ky-section--tight{padding:48px 0 64px}
  .ky-points{grid-template-columns:1fr}
  .ky-media{grid-template-columns:1fr;gap:24px}
  .ky-media--reverse .ky-media-figure{order:0}
  .ky-media-figure img{height:260px}
  .ky-footer{margin-top:64px}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .ky-cta{flex-direction:column;align-items:flex-start;padding:28px}
  .ky-hero-inner{padding:44px 0 40px}
}
@media (max-width:767.98px){
  .ky-hero{min-height:260px;border-radius:0 0 var(--r-m) var(--r-m)}
  .ky-hero p{font-size:15.5px}
  .ky-steps li{grid-template-columns:56px 1fr;gap:14px}
  .ky-steps .num{font-size:19px}
  .ky-backbar{flex-direction:column;align-items:flex-start}
  .ky-cta-actions{width:100%;flex-direction:column}
  .ky-cta-actions .ky-btn{width:100%}
  .ky-media-figure img{height:220px}
}
@media (max-width:575.98px){
  .ky-container{padding-left:16px;padding-right:16px}
  .ky-section{padding:48px 0}
  .ky-footer-grid{grid-template-columns:1fr}
  .ky-logo-text{font-size:17px}
  .ky-footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
  --ky-ink:#0E2A28;
  --ky-primary:#12524C;
  --ky-primary-700:#0D443F;
  --ky-primary-300:#4E8580;
  --ky-accent:#C8863C;
  --ky-accent-soft:#F0E1CB;
  --ky-mist:#7FA6A1;
  --ky-bg:#F7F6F2;
  --ky-surface:#FFFFFF;
  --ky-line:#E2E0D8;
  --ky-text:#1B2624;
  --ky-text-2:#5A6663;
  --shadow-s:0 2px 8px rgba(14,42,40,.06);
  --shadow-m:0 10px 28px rgba(14,42,40,.10);
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ky-bg);
  color:var(--ky-text);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ky-primary);text-decoration:none;transition:color .3s var(--ease),background-color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);}
a:hover{color:var(--ky-accent);}
a:visited{color:var(--ky-primary);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin-top:0;}
:focus-visible{outline:2px solid var(--ky-mist);outline-offset:2px;box-shadow:0 0 0 4px rgba(127,166,161,.22);border-radius:6px;}
.ky-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:all .3s var(--ease);
}
.ky-btn-primary{background:var(--ky-primary);color:#fff;}
.ky-btn-primary:hover{background:var(--ky-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-m);}
.ky-btn-primary:active{transform:translateY(0);box-shadow:none;}
.ky-btn-ghost{background:transparent;border-color:var(--ky-line);color:var(--ky-text);}
.ky-btn-ghost:hover{border-color:var(--ky-primary-300);background:#F2F5F4;color:var(--ky-primary);}
.ky-btn-accent{background:var(--ky-accent);color:#2A1B08;}
.ky-btn-accent:hover{background:#B87A34;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-m);}
.ky-btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.ky-btn-block{width:100%;}
.ky-icon-btn{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--ky-line);
  background:var(--ky-surface);color:var(--ky-text-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .3s var(--ease);
}
.ky-icon-btn:hover{border-color:var(--ky-accent);color:var(--ky-accent);background:var(--ky-accent-soft);}

/* ---------- 导航 ---------- */
.ky-header{
  position:sticky;top:0;z-index:1030;
  background:var(--ky-bg);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  border-bottom:1px solid transparent;
}
.ky-header.is-scrolled{background:#fff;border-bottom:1px solid var(--ky-line);box-shadow:var(--shadow-s);}
.ky-nav{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  min-height:76px;gap:16px;
}
.ky-nav-left{display:flex;align-items:center;gap:28px;}
.ky-nav-right{display:flex;align-items:center;gap:24px;justify-content:flex-end;}
.ky-nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ky-text-2);
  padding:6px 2px;white-space:nowrap;
}
.ky-nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--ky-primary);transition:width .3s var(--ease);
}
.ky-nav-link:hover{color:var(--ky-primary);}
.ky-nav-link:hover::after{width:100%;}
.ky-nav-link.is-active{color:var(--ky-primary);font-weight:600;}
.ky-nav-link.is-active::after{width:100%;background:var(--ky-accent);}
.ky-logo{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--ky-ink);font-weight:700;font-size:19px;line-height:1;white-space:nowrap;
  justify-self:center;
}
.ky-logo:hover{color:var(--ky-primary);}
.ky-logo-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--ky-primary) 0%,var(--ky-primary-300) 100%);
  color:#fff;font-size:17px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.ky-burger{
  width:44px;height:44px;border:1px solid var(--ky-line);background:var(--ky-surface);
  border-radius:12px;color:var(--ky-text);display:inline-flex;align-items:center;justify-content:center;
}
.ky-burger:hover{border-color:var(--ky-primary-300);color:var(--ky-primary);}
.ky-mobile-panel{
  background:#fff;border-top:1px solid var(--ky-line);box-shadow:var(--shadow-m);
}
.ky-mobile-panel .ky-container{padding-top:8px;padding-bottom:20px;}
.ky-mobile-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;font-size:15px;font-weight:500;color:var(--ky-text);
  border-bottom:1px solid var(--ky-line);
}
.ky-mobile-link:last-of-type{border-bottom:none;}
.ky-mobile-link i{color:var(--ky-primary-300);font-size:13px;}
.ky-mobile-link.is-active{color:var(--ky-primary);font-weight:600;}

/* ---------- 通用区块 ---------- */
.ky-section{padding:88px 0;}
.ky-section + .ky-section{border-top:1px solid var(--ky-line);}
.ky-section-head{margin-bottom:36px;}
.ky-section-head h2{font-size:30px;font-weight:700;letter-spacing:.01em;color:var(--ky-ink);margin-bottom:10px;}
.ky-section-head p{font-size:15px;color:var(--ky-text-2);margin:0;max-width:760px;}
.ky-badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:6px;background:var(--ky-accent-soft);color:#8A5A1C;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.ky-badge-outline{background:transparent;border:1px solid var(--ky-line);color:var(--ky-text-2);font-weight:500;}
.ky-card{
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);transition:all .3s var(--ease);
}
.ky-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);}

/* ---------- 面包屑 ---------- */
.ky-crumb-bar{padding:26px 0 0;}
.ky-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ky-text-2);}
.ky-breadcrumb a{color:var(--ky-text-2);}
.ky-breadcrumb a:hover{color:var(--ky-primary);}
.ky-crumb-sep{color:var(--ky-primary-300);}
.ky-crumb-current{color:var(--ky-text);font-weight:600;}

/* ---------- 文章头 ---------- */
.ky-article-head{padding:16px 0 34px;}
.ky-article-head h1{
  font-size:clamp(30px,4.2vw,42px);font-weight:700;line-height:1.32;letter-spacing:.01em;
  color:var(--ky-ink);margin:16px 0 20px;max-width:900px;
}
.ky-article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;
  font-size:14px;color:var(--ky-text-2);
}
.ky-article-meta span{display:inline-flex;align-items:center;gap:7px;}
.ky-article-meta i{color:var(--ky-primary-300);}
.ky-head-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;margin-top:24px;padding-top:20px;border-top:1px solid var(--ky-line);
}
.ky-share-group{display:flex;align-items:center;gap:10px;}
.ky-share-group .ky-label{font-size:13px;color:var(--ky-text-2);margin-right:2px;}

/* ---------- 文章布局 ---------- */
.ky-article-grid{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:48px;align-items:start;padding-bottom:24px;
}
.ky-prose{
  max-width:820px;font-size:16px;line-height:1.85;letter-spacing:.01em;color:var(--ky-text);
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);padding:40px 44px;
}
.ky-prose > *:first-child{margin-top:0;}
.ky-prose h2{
  font-size:28px;font-weight:700;line-height:1.42;color:var(--ky-ink);
  margin:48px 0 16px;padding-left:14px;border-left:4px solid var(--ky-primary);
}
.ky-prose h3{font-size:21px;font-weight:600;color:var(--ky-ink);margin:34px 0 12px;}
.ky-prose p{margin:0 0 1.25em;}
.ky-prose ul,.ky-prose ol{margin:0 0 1.25em;padding-left:1.4em;}
.ky-prose li{margin-bottom:8px;line-height:1.9;}
.ky-prose blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--ky-mist);
  background:#F2F5F4;border-radius:0 var(--radius-s) var(--radius-s) 0;color:var(--ky-text-2);
}
.ky-prose blockquote p:last-child{margin-bottom:0;}
.ky-prose img{border-radius:var(--radius-m);margin:26px auto;height:auto;}
.ky-prose figure{margin:26px 0;}
.ky-prose figcaption{font-size:14px;color:var(--ky-text-2);text-align:center;margin-top:10px;}
.ky-prose a{color:var(--ky-primary);text-decoration:underline;text-underline-offset:3px;}
.ky-prose a:hover{color:var(--ky-accent);}
.ky-prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
.ky-prose table th{background:var(--ky-ink);color:#fff;font-weight:600;text-align:left;padding:12px 16px;}
.ky-prose table td{padding:12px 16px;border-bottom:1px solid var(--ky-line);}
.ky-prose code{background:#F2F5F4;border-radius:6px;padding:2px 6px;font-size:14px;color:var(--ky-primary-700);}

/* ---------- 空态 ---------- */
.ky-empty{
  max-width:600px;margin:0 auto;padding:44px 24px;text-align:center;
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--radius-m);box-shadow:var(--shadow-s);
}
.ky-empty i{font-size:48px;color:var(--ky-primary-300);}
.ky-empty p{font-size:15px;color:var(--ky-text-2);margin:16px 0 22px;}

/* ---------- 侧栏 ---------- */
.ky-sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:100px;}
.ky-side-card{background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--radius-m);box-shadow:var(--shadow-s);padding:22px;}
.ky-side-title{
  display:flex;align-items:center;gap:9px;font-size:16px;font-weight:600;color:var(--ky-ink);
  margin-bottom:16px;
}
.ky-side-title i{color:var(--ky-accent);font-size:14px;}
.ky-toc-list{display:flex;flex-direction:column;gap:2px;}
.ky-toc-link{
  display:block;font-size:14px;line-height:1.6;color:var(--ky-text-2);
  padding:8px 10px;border-left:3px solid transparent;border-radius:0 8px 8px 0;
  transition:all .3s var(--ease);
}
.ky-toc-link.is-sub{padding-left:24px;font-size:13.5px;}
.ky-toc-link:hover{background:#F2F5F4;color:var(--ky-primary);}
.ky-toc-link.is-current{border-left-color:var(--ky-accent);color:var(--ky-primary);font-weight:600;background:#F2F5F4;}
.ky-side-list{display:flex;flex-direction:column;gap:14px;}
.ky-side-item{display:flex;gap:12px;align-items:flex-start;}
.ky-side-item img{
  width:64px;height:64px;object-fit:cover;border-radius:12px;flex:0 0 auto;background:var(--ky-bg);
}
.ky-side-item h4{font-size:14.5px;font-weight:600;line-height:1.5;margin:0 0 4px;color:var(--ky-text);}
.ky-side-item:hover h4{color:var(--ky-primary);}
.ky-side-item span{font-size:12.5px;color:var(--ky-text-2);}
.ky-tags{display:flex;flex-wrap:wrap;gap:8px;}
.ky-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  border:1px solid var(--ky-line);background:var(--ky-bg);font-size:13px;color:var(--ky-text-2);
  transition:all .3s var(--ease);
}
.ky-tag:hover{border-color:var(--ky-accent);color:var(--ky-accent);background:var(--ky-accent-soft);}

/* ---------- 文末 ---------- */
.ky-tail{margin-top:44px;}
.ky-tail-tags{display:flex;flex-wrap:wrap;gap:10px;padding:22px 0;border-top:1px solid var(--ky-line);}
.ky-pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px;}
.ky-pager-card{
  display:block;padding:20px 22px;background:var(--ky-surface);border:1px solid var(--ky-line);
  border-radius:var(--radius-m);box-shadow:var(--shadow-s);
}
.ky-pager-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:var(--ky-primary-300);}
.ky-pager-card small{display:block;font-size:13px;color:var(--ky-text-2);margin-bottom:6px;}
.ky-pager-card strong{display:block;font-size:16px;font-weight:600;color:var(--ky-ink);line-height:1.55;}
.ky-pager-card.is-next{text-align:right;}
.ky-return{margin-top:24px;}

/* ---------- 相关推荐 ---------- */
.ky-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.ky-rel-card{display:flex;gap:14px;padding:18px;align-items:flex-start;}
.ky-rel-card img{width:96px;height:96px;object-fit:cover;border-radius:12px;flex:0 0 auto;background:var(--ky-bg);}
.ky-rel-card .ky-rel-body{min-width:0;}
.ky-rel-card h3{font-size:16px;font-weight:600;line-height:1.55;margin:8px 0 8px;color:var(--ky-ink);}
.ky-rel-card p{font-size:13.5px;line-height:1.7;color:var(--ky-text-2);margin:0 0 10px;}
.ky-rel-more{font-size:13.5px;font-weight:600;color:var(--ky-primary);}
.ky-rel-card:hover h3{color:var(--ky-primary);}

/* ---------- CTA 条 ---------- */
.ky-cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:var(--ky-accent-soft);border-radius:var(--radius-l);padding:34px 40px;
}
.ky-cta-bar h3{font-size:24px;font-weight:700;color:var(--ky-ink);margin:0 0 8px;}
.ky-cta-bar p{font-size:14.5px;color:#7A6242;margin:0;max-width:560px;}
.ky-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.ky-footer{background:var(--ky-ink);color:#fff;margin-top:96px;padding:64px 0 0;}
.ky-footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;
}
.ky-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.ky-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.78);margin:0 0 12px;}
.ky-footer a{display:block;font-size:14px;color:rgba(255,255,255,.78);padding:5px 0;}
.ky-footer a:hover{color:var(--ky-accent-soft);}
.ky-footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;}
.ky-footer-brand .ky-logo-mark{background:rgba(255,255,255,.12);}
.ky-footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;}
.ky-footer-tags span{
  font-size:12.5px;color:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:3px 11px;
}
.ky-footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ---------- 提示条 ---------- */
.ky-toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,20px);
  background:var(--ky-ink);color:#fff;font-size:14px;padding:12px 20px;border-radius:12px;
  box-shadow:var(--shadow-m);opacity:0;pointer-events:none;transition:all .35s var(--ease);z-index:2000;
}
.ky-toast.is-show{opacity:1;transform:translate(-50%,0);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .ky-article-grid{gap:36px;}
  .ky-prose{padding:34px 32px;}
}
@media (max-width:991px){
  .ky-section{padding:64px 0;}
  .ky-article-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .ky-sidebar{position:static;}
  .ky-related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .ky-cta-bar{padding:28px 26px;}
}
@media (max-width:767px){
  .ky-container{padding:0 20px;}
  .ky-section{padding:48px 0;}
  .ky-section-head h2{font-size:24px;}
  .ky-prose{padding:26px 20px;font-size:16px;border-radius:12px;}
  .ky-prose h2{font-size:22px;margin-top:34px;padding-left:11px;border-left-width:3px;}
  .ky-prose h3{font-size:18px;}
  .ky-article-head h1{font-size:clamp(26px,6vw,32px);}
  .ky-related-grid{grid-template-columns:minmax(0,1fr);}
  .ky-pager{grid-template-columns:minmax(0,1fr);}
  .ky-pager-card.is-next{text-align:left;}
  .ky-footer{padding-top:48px;margin-top:64px;}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px;}
  .ky-cta-bar{border-radius:18px;}
  .ky-cta-bar h3{font-size:20px;}
  .ky-cta-actions{width:100%;}
  .ky-cta-actions .ky-btn{width:100%;}
}
@media (max-width:575px){
  .ky-container{padding:0 16px;}
  .ky-nav{min-height:66px;}
  .ky-logo{font-size:17px;}
  .ky-logo-mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
  .ky-badge{font-size:12px;}
  .ky-prose{padding:22px 16px;}
  .ky-article-meta{font-size:13px;gap:10px 16px;}
}

/* roulang page: category2 */
:root{
  --ky-ink:#0E2A28;
  --ky-primary:#12524C;
  --ky-primary-700:#0D443F;
  --ky-primary-300:#4E8580;
  --ky-accent:#C8863C;
  --ky-accent-soft:#F0E1CB;
  --ky-mist:#7FA6A1;
  --ky-bg:#F7F6F2;
  --ky-surface:#FFFFFF;
  --ky-line:#E2E0D8;
  --ky-text:#1B2624;
  --ky-text-2:#5A6663;
  --shadow-s:0 2px 8px rgba(14,42,40,.06);
  --shadow-m:0 10px 28px rgba(14,42,40,.10);
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-p:999px;
  --ease:.3s cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ky-text);
  background:var(--ky-bg);
}
img{max-width:100%;display:block;height:auto}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--ky-text)}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.25em;padding-left:1.15em;line-height:1.9}
li{margin-bottom:8px}
a{color:var(--ky-primary);text-decoration:none;transition:color var(--ease),border-color var(--ease)}
a:hover{color:var(--ky-accent)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--ky-mist);outline-offset:2px;box-shadow:0 0 0 4px rgba(127,166,161,.22)}
.ky-container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.ky-header{
  position:sticky;top:0;z-index:1040;
  background:var(--ky-bg);
  border-bottom:1px solid transparent;
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.ky-header.is-scrolled{background:var(--ky-surface);border-bottom-color:var(--ky-line);box-shadow:var(--shadow-s)}
.ky-header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:20px;height:76px;
}
.ky-nav-left{display:flex;align-items:center;gap:30px}
.ky-nav-right{display:flex;align-items:center;justify-content:flex-end;gap:24px}
.ky-nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ky-text-2);
  padding:6px 0;white-space:nowrap;
}
.ky-nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--ky-primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease),background var(--ease);
}
.ky-nav-link:hover{color:var(--ky-primary)}
.ky-nav-link:hover::after{transform:scaleX(1)}
.ky-nav-link.is-active{color:var(--ky-primary);font-weight:600}
.ky-nav-link.is-active::after{transform:scaleX(1)}
.ky-logo{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--ky-ink);
  white-space:nowrap;justify-self:center;
}
.ky-logo:hover{color:var(--ky-ink)}
.ky-logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--ky-primary);color:#fff;font-size:17px;font-weight:700;
  flex:0 0 auto;
}
.ky-logo-text{letter-spacing:.01em}
.ky-burger{
  width:44px;height:44px;border:1px solid var(--ky-line);background:var(--ky-surface);
  border-radius:12px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;padding:0;transition:border-color var(--ease),background var(--ease);
}
.ky-burger span{display:block;width:18px;height:2px;background:var(--ky-text);border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.ky-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.ky-burger.is-open span:nth-child(2){opacity:0}
.ky-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.ky-header-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px}
.ky-mobile-panel{
  display:none;background:var(--ky-surface);border-top:1px solid var(--ky-line);
  box-shadow:var(--shadow-m);padding:8px 0 16px;
}
.ky-mobile-panel.is-open{display:block}
.ky-mobile-panel a{
  display:flex;align-items:center;min-height:48px;padding:0 24px;
  font-size:15px;color:var(--ky-text);border-bottom:1px solid var(--ky-line);
}
.ky-mobile-panel a.is-active{color:var(--ky-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--ky-accent)}
.ky-mobile-panel a:hover{background:#F2F5F4;color:var(--ky-primary)}
.ky-mobile-cta{padding:16px 24px 0}
.ky-overlay{
  position:fixed;inset:76px 0 0 0;background:rgba(14,42,40,.4);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:1030;
}
.ky-overlay.is-open{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.ky-btn-primary{background:var(--ky-primary);color:#fff}
.ky-btn-primary:hover{background:var(--ky-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-m)}
.ky-btn-primary:active{transform:translateY(0);box-shadow:none}
.ky-btn-outline{background:transparent;border-color:var(--ky-line);color:var(--ky-text)}
.ky-btn-outline:hover{border-color:var(--ky-primary-300);background:#F2F5F4;color:var(--ky-primary)}
.ky-btn-accent{background:var(--ky-accent);color:#22180C}
.ky-btn-accent:hover{background:#B4762F;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-m)}
.ky-btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.ky-link-arrow{
  font-size:15px;font-weight:600;color:var(--ky-primary);
  border-bottom:1px solid var(--ky-primary-300);padding-bottom:2px;
}
.ky-link-arrow:hover{color:var(--ky-accent);border-bottom-color:var(--ky-accent)}

/* ---------- hero banner ---------- */
.ky-hero-banner{
  position:relative;min-height:308px;
  background-size:cover;background-position:center;
  display:flex;align-items:flex-end;
  padding:48px 0 44px;
}
.ky-hero-inner{position:relative;z-index:2;color:#fff}
.ky-crumb{display:flex;align-items:center;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.82);margin-bottom:16px}
.ky-crumb a{color:rgba(255,255,255,.82)}
.ky-crumb a:hover{color:var(--ky-accent-soft)}
.ky-crumb em{font-style:normal;color:#fff}
.ky-hero-banner h1{
  color:#fff;font-size:clamp(30px,4.2vw,46px);font-weight:700;
  letter-spacing:.01em;line-height:1.28;margin-bottom:16px;
}
.ky-hero-lead{
  max-width:760px;color:rgba(255,255,255,.9);font-size:16px;
  line-height:1.85;margin:0;
}

/* ---------- sections ---------- */
.ky-section{padding:88px 0}
.ky-section--tight{padding:56px 0}
.ky-section--line{border-top:1px solid var(--ky-line)}
.ky-section--surface{background:var(--ky-surface)}
.ky-sec-head{max-width:820px;margin-bottom:48px}
.ky-sec-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.4;margin-bottom:14px}
.ky-sec-head p{color:var(--ky-text-2);font-size:16px;margin:0}
.ky-eyebrow{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--ky-accent);background:var(--ky-accent-soft);
  padding:4px 12px;border-radius:var(--r-p);margin-bottom:14px;
}

/* ---------- facts ---------- */
.ky-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ky-fact{
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--r-m);
  padding:24px;box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease);
}
.ky-fact:hover{transform:translateY(-2px);box-shadow:var(--shadow-m)}
.ky-fact-num{
  display:block;font-size:20px;font-weight:600;color:var(--ky-primary-300);
  letter-spacing:.06em;margin-bottom:10px;
}
.ky-fact h3{font-size:18px;font-weight:600;margin-bottom:8px}
.ky-fact p{font-size:14px;line-height:1.7;color:var(--ky-text-2);margin:0}

/* ---------- split blocks ---------- */
.ky-split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.ky-split + .ky-split{margin-top:72px}
.ky-split--reverse .ky-split-media{order:2}
.ky-split--reverse .ky-split-text{order:1}
.ky-split-media{
  margin:0;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--shadow-m);
  background:var(--ky-bg);
}
.ky-split-media img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform var(--ease)}
.ky-split-media:hover img{transform:scale(1.03)}
.ky-split-text h3{font-size:clamp(20px,2.1vw,24px);line-height:1.45;margin-bottom:14px}
.ky-split-text p{color:var(--ky-text-2);font-size:16px;margin-bottom:1.25em}
.ky-badge{
  display:inline-block;font-size:12.5px;font-weight:600;line-height:24px;
  height:24px;padding:0 10px;border-radius:6px;
  background:var(--ky-accent-soft);color:var(--ky-accent);margin-bottom:14px;
}
.ky-list{list-style:none;padding-left:0;margin:0}
.ky-list li{
  position:relative;padding-left:22px;font-size:15px;line-height:1.8;color:var(--ky-text);
}
.ky-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:50%;background:var(--ky-primary-300);
}

/* ---------- numbered list ---------- */
.ky-numlist{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.ky-numitem{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  padding:20px 16px 20px 0;border-bottom:1px solid var(--ky-line);
  transition:background var(--ease),box-shadow var(--ease);
}
.ky-numitem:hover{background:#F2F5F4;box-shadow:inset 3px 0 0 var(--ky-accent)}
.ky-numitem .ky-idx{
  font-size:20px;font-weight:600;color:var(--ky-primary-300);
  line-height:1.5;letter-spacing:.06em;
}
.ky-numitem h3{font-size:17px;font-weight:600;margin-bottom:6px}
.ky-numitem p{font-size:14px;line-height:1.7;color:var(--ky-text-2);margin:0}

/* ---------- steps ---------- */
.ky-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ky-step{
  position:relative;background:var(--ky-surface);border:1px solid var(--ky-line);
  border-radius:var(--r-m);padding:26px 22px;box-shadow:var(--shadow-s);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.ky-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:var(--ky-primary-300)}
.ky-step .ky-step-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;background:var(--ky-accent-soft);
  color:var(--ky-accent);font-weight:700;font-size:15px;margin-bottom:16px;
}
.ky-step h3{font-size:18px;font-weight:600;margin-bottom:8px}
.ky-step p{font-size:14px;line-height:1.7;color:var(--ky-text-2);margin:0}

/* ---------- faq ---------- */
.ky-faq-list{max-width:900px}
.ky-faq-item{
  background:var(--ky-surface);border:1px solid var(--ky-line);border-radius:var(--r-m);
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.ky-faq-item:hover{border-color:var(--ky-primary-300);box-shadow:var(--shadow-s)}
.ky-faq-item.is-open{box-shadow:var(--shadow-s);border-left:3px solid var(--ky-accent)}
.ky-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:20px 24px;text-align:left;
  font-size:17px;font-weight:600;color:var(--ky-text);cursor:pointer;
  transition:color var(--ease),background var(--ease);
}
.ky-faq-q:hover{color:var(--ky-primary);background:#F7F9F8}
.ky-faq-q i{color:var(--ky-primary-300);transition:transform var(--ease);flex:0 0 auto}
.ky-faq-item.is-open .ky-faq-q i{transform:rotate(180deg);color:var(--ky-accent)}
.ky-faq-a{
  padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ky-text-2);
}

/* ---------- cta ---------- */
.ky-cta{
  background:var(--ky-accent-soft);border-radius:var(--r-l);
  padding:40px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.ky-cta-text h2{font-size:clamp(21px,2.2vw,26px);line-height:1.45;margin-bottom:10px}
.ky-cta-text p{color:var(--ky-text-2);font-size:15px;margin:0}
.ky-cta-actions{display:flex;gap:12px;flex:0 0 auto}
.ky-back-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  flex-wrap:wrap;
}
.ky-back-bar p{color:var(--ky-text-2);font-size:15px;margin:0}

/* ---------- footer ---------- */
.ky-footer{background:var(--ky-ink);color:#fff;padding:72px 0 0;margin-top:0}
.ky-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.ky-footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:16px}
.ky-footer-brand .ky-logo-mark{background:#fff;color:var(--ky-ink)}
.ky-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.78);margin-bottom:14px}
.ky-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.ky-footer a{
  display:block;font-size:14px;line-height:1.8;color:rgba(255,255,255,.78);
  padding:5px 0;transition:color var(--ease);
}
.ky-footer a:hover{color:var(--ky-accent-soft)}
.ky-footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.ky-footer-tags span{
  font-size:12.5px;line-height:24px;height:24px;padding:0 10px;border-radius:6px;
  background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);
}
.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;font-size:13.5px;color:rgba(255,255,255,.66);
}
.ky-toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,16px);
  background:var(--ky-ink);color:#fff;font-size:14px;
  padding:12px 22px;border-radius:var(--r-p);box-shadow:var(--shadow-m);
  opacity:0;visibility:hidden;transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  z-index:1080;
}
.ky-toast.is-show{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .ky-facts{grid-template-columns:repeat(2,1fr)}
  .ky-steps{grid-template-columns:repeat(2,1fr)}
  .ky-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .ky-container{padding:0 20px}
  .ky-header-inner{grid-template-columns:44px 1fr 44px;height:70px}
  .ky-logo{font-size:17px;justify-self:center}
  .ky-overlay{inset:70px 0 0 0}
  .ky-section{padding:64px 0}
  .ky-section--tight{padding:44px 0}
  .ky-sec-head{margin-bottom:36px}
  .ky-split{grid-template-columns:1fr;gap:28px}
  .ky-split--reverse .ky-split-media{order:1}
  .ky-split--reverse .ky-split-text{order:2}
  .ky-split + .ky-split{margin-top:56px}
  .ky-numlist{grid-template-columns:1fr}
  .ky-cta{flex-direction:column;align-items:flex-start;padding:32px 28px}
  .ky-cta-actions{width:100%;flex-wrap:wrap}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .ky-footer{padding-top:56px}
  .ky-footer-bottom{margin-top:40px}
}
@media (max-width:767px){
  .ky-facts{grid-template-columns:1fr}
  .ky-steps{grid-template-columns:1fr}
  .ky-hero-banner{min-height:280px;padding:36px 0 32px}
  .ky-hero-lead{font-size:15px}
}
@media (max-width:575px){
  .ky-container{padding:0 16px}
  .ky-section{padding:48px 0}
  .ky-section--tight{padding:40px 0}
  .ky-btn{width:100%}
  .ky-btn-sm{width:auto}
  .ky-cta-actions{flex-direction:column;width:100%}
  .ky-footer-grid{grid-template-columns:1fr}
  .ky-fact,.ky-step{padding:20px}
  .ky-faq-q{padding:18px 18px;font-size:16px}
  .ky-faq-a{padding:0 18px 20px}
}