/* roulang page: index */
:root{
  --ky-primary:#10433B;
  --ky-primary-600:#1C6B5C;
  --ky-primary-soft:rgba(16,67,59,.08);
  --ky-primary-line:rgba(16,67,59,.30);
  --ky-accent:#E0663A;
  --ky-bg:#F7F5F0;
  --ky-bg-alt:#EFEDE6;
  --ky-surface:#FFFFFF;
  --ky-ink:#0E1513;
  --ky-text:#141A18;
  --ky-text-muted:#5C6866;
  --ky-text-faint:#8A9391;
  --ky-border:#E3E0D8;
  --ky-divider:#EAE7DF;
  --ky-danger:#C4453A;
  --ky-r-card:10px;
  --ky-r-btn:8px;
  --ky-r-img:12px;
  --ky-r-pill:999px;
  --ky-shadow:0 1px 2px rgba(20,26,24,.05);
  --ky-shadow-hover:0 12px 32px rgba(16,67,59,.10);
  --ky-ease:cubic-bezier(.22,.61,.36,1);
  --ky-container:1200px;
  --ky-gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ky-bg);
  color:var(--ky-text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ky-primary);text-decoration:none}
a:hover{color:var(--ky-primary-600)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--ky-primary);outline-offset:2px;border-radius:4px;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
.ky-container{width:100%;max-width:var(--ky-container);margin:0 auto;padding:0 24px}
.ky-nums{font-variant-numeric:tabular-nums}
.ky-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ============ 顶部导航 ============ */
.ky-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ky-ease),background .24s var(--ky-ease),border-color .24s var(--ky-ease),box-shadow .24s var(--ky-ease);
}
.ky-header.is-stuck{
  background:rgba(255,255,255,.97);
  border-bottom-color:var(--ky-border);
  box-shadow:0 4px 18px rgba(20,26,24,.05);
}
.ky-nav-inner{
  display:grid;grid-template-columns:7fr 5fr;
  align-items:center;gap:24px;
  height:68px;
  transition:height .24s var(--ky-ease);
}
.ky-header.is-stuck .ky-nav-inner{height:60px}
.ky-nav-left{display:flex;align-items:center;gap:26px;min-width:0}
.ky-brand{display:inline-flex;align-items:center;gap:9px;color:var(--ky-text);flex:0 0 auto}
.ky-brand-mark{width:24px;height:24px;flex:0 0 auto;color:var(--ky-primary)}
.ky-brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ky-primary)}
.ky-nav-list{display:flex;align-items:center;gap:20px}
.ky-nav-link{
  position:relative;display:inline-block;
  font-size:14.5px;font-weight:500;color:var(--ky-text);line-height:1;
  padding:22px 0;
}
.ky-nav-link::after{
  content:"";position:absolute;left:0;bottom:14px;height:2px;width:0;
  background:var(--ky-primary);transition:width .2s var(--ky-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%}
.ky-nav-link.is-active::before{
  content:"";position:absolute;right:-8px;top:16px;width:5px;height:5px;
  border-radius:50%;background:var(--ky-accent);
}
.ky-nav-right{display:flex;align-items:center;justify-content:flex-end;gap:16px}
.ky-icon-btn{
  width:38px;height:38px;border-radius:var(--ky-r-btn);
  border:1px solid var(--ky-border);background:var(--ky-surface);color:var(--ky-text-muted);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  transition:all .2s var(--ky-ease);
}
.ky-icon-btn:hover{border-color:var(--ky-primary-line);color:var(--ky-primary);background:var(--ky-primary-soft)}
.ky-nav-minor{font-size:14px;color:var(--ky-text-muted)}
.ky-nav-minor:hover{color:var(--ky-primary)}
.ky-burger{display:none}

/* 搜索面板 */
.ky-search-panel{
  position:absolute;left:0;right:0;top:100%;
  background:var(--ky-surface);border-bottom:1px solid var(--ky-border);
  box-shadow:0 18px 40px rgba(20,26,24,.08);
  transform:translateY(-10px);opacity:0;visibility:hidden;
  transition:all .24s var(--ky-ease);
}
.ky-search-panel.is-open{transform:translateY(0);opacity:1;visibility:visible}
.ky-search-form{display:flex;gap:12px;padding:22px 0}
.ky-search-form input{
  flex:1;height:48px;border:1px solid var(--ky-border);border-radius:var(--ky-r-btn);
  padding:0 16px;font-size:15px;background:var(--ky-bg);color:var(--ky-text);
}
.ky-search-tips{padding-bottom:18px;font-size:13px;color:var(--ky-text-faint)}

/* 按钮 */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--ky-r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  transition:all .2s var(--ky-ease);
}
.ky-btn i{transition:transform .2s var(--ky-ease);font-size:13px}
.ky-btn-primary{background:var(--ky-primary);color:#F7F5F0}
.ky-btn-primary:hover{background:var(--ky-accent);color:#fff;transform:translateY(-1px)}
.ky-btn-primary:hover i{transform:translateX(3px)}
.ky-btn-primary:active{background:var(--ky-primary);transform:none}
.ky-btn-ghost{background:transparent;border-color:var(--ky-primary-line);color:var(--ky-primary)}
.ky-btn-ghost:hover{background:var(--ky-primary-soft);border-color:var(--ky-primary);color:var(--ky-primary)}
.ky-btn-outline-light{background:transparent;border-color:rgba(255,255,255,.30);color:#F7F5F0}
.ky-btn-outline-light:hover{border-color:#F7F5F0;background:rgba(255,255,255,.08);color:#fff}
.ky-btn-sm{height:42px;padding:0 20px;font-size:14px}
.ky-btn-block{width:100%}
.ky-link-arrow{
  display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--ky-primary);
}
.ky-link-arrow i{font-size:12px;transition:transform .2s var(--ky-ease)}
.ky-link-arrow:hover i{transform:translateX(4px)}

/* ============ 眉标 / 标题 / 徽章 ============ */
.ky-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--ky-primary-600);
  text-transform:uppercase;font-weight:600;
}
.ky-eyebrow::before{content:"";width:18px;height:2px;background:var(--ky-accent);display:inline-block}
.ky-h2{font-size:clamp(22px,2.2vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em;margin-top:12px}
.ky-section-sub{color:var(--ky-text-muted);font-size:15.5px;margin-top:12px;max-width:640px}
.ky-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--ky-r-pill);
  background:var(--ky-primary-soft);color:var(--ky-primary);
  font-size:12px;letter-spacing:.08em;font-weight:600;
}
.ky-badge-accent{background:rgba(224,102,58,.12);color:#B44A26}
.ky-section{padding:104px 0}
.ky-section-alt{background:var(--ky-bg-alt)}
.ky-section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:36px;border-bottom:1px solid var(--ky-divider);margin-bottom:40px;
}

/* ============ Hero ============ */
.ky-hero{padding:40px 0 0}
.ky-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:center}
.ky-hero-copy{padding:32px 0 56px}
.ky-h1{
  font-size:clamp(28px,3.2vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
  margin-top:18px;
}
.ky-h1 em{font-style:normal;color:var(--ky-primary);display:block}
.ky-hero-sub{margin-top:20px;font-size:16px;color:var(--ky-text-muted);max-width:560px}
.ky-hero-actions{display:flex;align-items:center;gap:20px;margin-top:32px;flex-wrap:wrap}
.ky-hero-trust{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  font-size:13px;color:var(--ky-text-faint);
}
.ky-hero-trust span{display:inline-flex;align-items:center;gap:6px}
.ky-hero-trust span+span::before{content:"";width:1px;height:12px;background:var(--ky-border);margin-right:8px}
.ky-hero-visual{position:relative;padding-bottom:24px}
.ky-hero-media{
  position:relative;border-radius:var(--ky-r-img);overflow:hidden;
  aspect-ratio:4/5;background:var(--ky-bg-alt);
}
.ky-hero-media img{width:100%;height:100%;object-fit:cover}
.ky-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(0,0,0,.45),rgba(0,0,0,0) 62%);
}
.ky-hero-float{
  position:absolute;right:18px;bottom:6px;width:172px;
  background:var(--ky-surface);border:1px solid rgba(16,67,59,.15);
  border-radius:var(--ky-r-card);padding:14px 16px;box-shadow:var(--ky-shadow);
}
.ky-hero-float strong{display:block;font-size:26px;font-weight:800;color:var(--ky-primary);letter-spacing:-.02em}
.ky-hero-float span{display:block;font-size:12.5px;color:var(--ky-text-muted);line-height:1.6;margin-top:4px}
.ky-anchor-bar{
  position:sticky;top:68px;z-index:40;
  background:rgba(239,237,230,.96);border-top:1px solid var(--ky-border);border-bottom:1px solid var(--ky-border);
  backdrop-filter:blur(6px);
}
.ky-anchor-list{display:flex;gap:26px;overflow-x:auto;height:44px;align-items:center;scrollbar-width:none}
.ky-anchor-list::-webkit-scrollbar{display:none}
.ky-anchor-list a{font-size:14px;color:var(--ky-text-muted);white-space:nowrap}
.ky-anchor-list a:hover{color:var(--ky-primary)}

/* ============ 指标看板 ============ */
.ky-metrics{background:var(--ky-ink);color:#F7F5F0;padding:88px 0}
.ky-metrics .ky-eyebrow{color:rgba(247,245,240,.72)}
.ky-metrics .ky-h2{color:#fff}
.ky-metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:44px;border-top:1px solid rgba(255,255,255,.10);
}
.ky-metric{
  padding:30px 24px 28px;border-bottom:1px solid rgba(255,255,255,.10);
  border-right:1px solid rgba(255,255,255,.10);
}
.ky-metric:last-child{border-right:0}
.ky-metric-value{
  font-size:clamp(28px,2.6vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.ky-metric:nth-child(even) .ky-metric-value{color:var(--ky-accent)}
.ky-metric-unit{font-size:14px;margin-left:4px;color:rgba(247,245,240,.7)}
.ky-metric-name{font-size:15px;font-weight:600;margin-top:12px;color:#fff}
.ky-metric-note{font-size:13px;color:rgba(247,245,240,.62);margin-top:6px;line-height:1.7}

/* ============ 服务矩阵 ============ */
.ky-bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.ky-cell{
  background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  padding:24px;position:relative;overflow:hidden;box-shadow:var(--ky-shadow);
  transition:transform .22s var(--ky-ease),border-color .22s var(--ky-ease),box-shadow .22s var(--ky-ease);
  display:flex;flex-direction:column;
}
.ky-cell::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:var(--ky-primary);opacity:.85;
}
.ky-cell:hover{transform:translateY(-2px);border-color:var(--ky-primary-line);box-shadow:var(--ky-shadow-hover)}
.ky-cell:hover .ky-link-arrow i{transform:translateX(4px)}
.ky-cell-lg{grid-column:span 7}
.ky-cell-md{grid-column:span 5}
.ky-cell-sm{grid-column:span 4}
.ky-cell-media{aspect-ratio:16/9;border-radius:var(--ky-r-img);overflow:hidden;background:var(--ky-bg-alt);margin-bottom:20px}
.ky-cell-media img{width:100%;height:100%;object-fit:cover}
.ky-cell h3{font-size:19px;line-height:1.4;font-weight:700;margin-bottom:10px}
.ky-cell p{font-size:14.5px;color:var(--ky-text-muted);line-height:1.8}
.ky-points{margin-top:16px;display:grid;gap:8px}
.ky-points li{display:flex;gap:9px;font-size:14px;color:var(--ky-text-muted);line-height:1.7}
.ky-points li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--ky-primary);flex:0 0 auto;margin-top:9px}
.ky-index-num{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--ky-accent);
  font-variant-numeric:tabular-nums;
}
.ky-cell-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.ky-cell-icon{
  width:40px;height:40px;border-radius:var(--ky-r-btn);background:var(--ky-primary-soft);
  color:var(--ky-primary);display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}
.ky-cell-foot{margin-top:auto;padding-top:18px}

/* ============ 最新信息 ============ */
.ky-news-grid{display:grid;grid-template-columns:8fr 4fr;gap:32px}
.ky-news-lead{
  display:grid;grid-template-columns:40% 60%;gap:0;
  background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  overflow:hidden;box-shadow:var(--ky-shadow);
  transition:transform .22s var(--ky-ease),box-shadow .22s var(--ky-ease),border-color .22s var(--ky-ease);
}
.ky-news-lead:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-hover);border-color:var(--ky-primary-line)}
.ky-news-lead-media{background:var(--ky-bg-alt);min-height:100%}
.ky-news-lead-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.ky-news-lead-body{padding:26px 28px;display:flex;flex-direction:column;gap:14px}
.ky-news-lead-body h3{font-size:21px;line-height:1.45;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ky-news-lead:hover h3{color:var(--ky-primary)}
.ky-news-lead-body p{font-size:14.5px;color:var(--ky-text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ky-news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ky-text-faint);font-variant-numeric:tabular-nums}
.ky-news-list{display:grid;gap:0;margin-top:4px;border-top:1px solid var(--ky-divider)}
.ky-news-item{
  display:flex;align-items:flex-start;gap:18px;padding:18px 4px;
  border-bottom:1px solid var(--ky-divider);transition:background .2s var(--ky-ease);
}
.ky-news-item:hover{background:#FAF9F5}
.ky-news-item:hover h3{color:var(--ky-primary)}
.ky-news-item-body{flex:1;min-width:0}
.ky-news-item h3{font-size:16.5px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s var(--ky-ease)}
.ky-news-item p{font-size:13.5px;color:var(--ky-text-muted);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ky-news-item-thumb{width:96px;height:72px;border-radius:8px;overflow:hidden;flex:0 0 auto;background:var(--ky-bg-alt)}
.ky-news-item-thumb img{width:100%;height:100%;object-fit:cover}
.ky-side-card{
  background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  padding:24px;box-shadow:var(--ky-shadow);position:sticky;top:132px;
}
.ky-side-card h3{font-size:16px;font-weight:700;margin-bottom:16px}
.ky-tag-row{display:flex;flex-wrap:wrap;gap:10px}
.ky-tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--ky-r-pill);
  border:1px solid var(--ky-border);background:var(--ky-bg);font-size:13px;color:var(--ky-text-muted);
  transition:all .2s var(--ky-ease);
}
.ky-tag:hover{border-color:var(--ky-primary-line);background:var(--ky-primary-soft);color:var(--ky-primary)}
.ky-empty{
  min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;border:1px dashed var(--ky-border);border-radius:var(--ky-r-card);background:var(--ky-surface);
  text-align:center;padding:32px;
}
.ky-empty i{font-size:34px;color:var(--ky-text-faint)}
.ky-empty p{font-size:14.5px;color:var(--ky-text-muted)}

/* ============ 结果对比 ============ */
.ky-compare{background:var(--ky-ink);color:#F7F5F0;padding:104px 0}
.ky-compare .ky-h2{color:#fff}
.ky-compare .ky-section-sub{color:rgba(247,245,240,.66)}
.ky-compare-grid{display:grid;grid-template-columns:5fr 2fr 5fr;gap:24px;align-items:start;margin-top:44px}
.ky-compare-col{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:var(--ky-r-card);padding:26px 24px}
.ky-compare-col h3{font-size:17px;font-weight:700;margin-bottom:20px;color:#fff}
.ky-bar-row{margin-bottom:20px}
.ky-bar-row:last-child{margin-bottom:0}
.ky-bar-line{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:rgba(247,245,240,.72);margin-bottom:8px}
.ky-bar-line b{font-size:14px;color:#fff;font-variant-numeric:tabular-nums;font-weight:600}
.ky-bar{height:6px;border-radius:var(--ky-r-pill);background:rgba(255,255,255,.10);overflow:hidden}
.ky-bar i{display:block;height:100%;border-radius:var(--ky-r-pill);background:rgba(255,255,255,.25)}
.ky-compare-col.is-after .ky-bar i{background:var(--ky-accent)}
.ky-compare-axis{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding-top:40px;color:rgba(247,245,240,.5)}
.ky-compare-axis i{font-size:20px;color:var(--ky-accent)}
.ky-compare-axis span{font-size:12.5px;letter-spacing:.12em}

/* ============ FAQ ============ */
.ky-faq-wrap{max-width:880px;margin:0 auto}
.ky-faq-item{
  background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  margin-bottom:14px;overflow:hidden;transition:border-color .22s var(--ky-ease),box-shadow .22s var(--ky-ease);
}
.ky-faq-item.is-open{border-color:var(--ky-primary-line);box-shadow:var(--ky-shadow)}
.ky-faq-q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;gap:16px;min-height:56px;padding:14px 22px;
  font-size:16px;font-weight:600;color:var(--ky-text);
}
.ky-faq-q:hover{color:var(--ky-primary)}
.ky-faq-num{font-size:13px;font-weight:700;color:var(--ky-accent);letter-spacing:.1em;flex:0 0 auto;font-variant-numeric:tabular-nums}
.ky-faq-sign{
  margin-left:auto;width:20px;height:20px;position:relative;flex:0 0 auto;
}
.ky-faq-sign::before,.ky-faq-sign::after{
  content:"";position:absolute;background:var(--ky-primary);border-radius:2px;transition:transform .24s var(--ky-ease),opacity .24s var(--ky-ease);
}
.ky-faq-sign::before{left:0;top:9px;width:20px;height:2px}
.ky-faq-sign::after{left:9px;top:0;width:2px;height:20px}
.ky-faq-item.is-open .ky-faq-sign::after{transform:rotate(90deg);opacity:0}
.ky-faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ky-ease)}
.ky-faq-a p{padding:0 22px 22px 60px;font-size:15px;line-height:1.85;color:var(--ky-text-muted)}
.ky-faq-item.is-open .ky-faq-a{max-height:420px}

/* ============ 转化表单 ============ */
.ky-cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:32px;align-items:stretch}
.ky-cta-info{
  background:var(--ky-ink);color:#F7F5F0;border-radius:var(--ky-r-card);padding:40px 36px;position:relative;overflow:hidden;
}
.ky-cta-info::after{
  content:"登";position:absolute;right:-10px;bottom:-40px;font-size:180px;font-weight:800;
  color:rgba(255,255,255,.035);line-height:1;pointer-events:none;
}
.ky-cta-info h2{font-size:clamp(22px,2.1vw,30px);line-height:1.35;font-weight:700;color:#fff;margin-top:16px}
.ky-cta-info .ky-eyebrow{color:rgba(247,245,240,.7)}
.ky-cta-points{margin-top:28px;display:grid;gap:16px;position:relative;z-index:1}
.ky-cta-points li{display:flex;gap:12px;font-size:15px;color:rgba(247,245,240,.86);line-height:1.75}
.ky-cta-points li i{color:var(--ky-accent);font-size:14px;margin-top:5px}
.ky-entry-guide{
  margin-top:32px;padding:20px 22px;border:1px solid rgba(255,255,255,.12);border-radius:var(--ky-r-card);
  position:relative;z-index:1;
}
.ky-entry-guide p{font-size:14px;color:rgba(247,245,240,.72);line-height:1.75}
.ky-entry-guide .ky-btn{margin-top:16px}
.ky-form-card{
  background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);
  padding:32px;box-shadow:var(--ky-shadow);
}
.ky-form-card h3{font-size:19px;font-weight:700;margin-bottom:6px}
.ky-form-card>p{font-size:14px;color:var(--ky-text-muted);margin-bottom:22px}
.ky-field{margin-bottom:18px}
.ky-field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ky-text)}
.ky-field label .ky-req{color:var(--ky-accent);margin-left:4px}
.ky-field input,.ky-field select,.ky-field textarea{
  width:100%;border:1px solid var(--ky-border);border-radius:var(--ky-r-btn);
  background:var(--ky-bg);padding:12px 14px;font-size:15px;color:var(--ky-text);
  font-family:inherit;transition:border-color .2s var(--ky-ease),background .2s var(--ky-ease);
}
.ky-field textarea{min-height:112px;resize:vertical;line-height:1.7}
.ky-field select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235C6866' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.ky-field input:focus,.ky-field select:focus,.ky-field textarea:focus{
  outline:2px solid var(--ky-primary);outline-offset:0;border-color:var(--ky-primary);background:var(--ky-surface);
}
.ky-field.is-error input,.ky-field.is-error select,.ky-field.is-error textarea{border-color:var(--ky-danger)}
.ky-error-text{display:none;font-size:13px;color:var(--ky-danger);margin-top:6px}
.ky-field.is-error .ky-error-text{display:block}
.ky-consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ky-text-muted);margin:4px 0 20px}
.ky-consent input{width:16px;height:16px;margin-top:4px;flex:0 0 auto}
.ky-form-note{margin-top:14px;font-size:13px;color:var(--ky-text-faint)}
.ky-form-ok{display:none;margin-top:16px;padding:14px 16px;border-radius:var(--ky-r-btn);
  background:var(--ky-primary-soft);color:var(--ky-primary);font-size:14px;border:1px solid var(--ky-primary-line)}
.ky-form-ok.is-show{display:block}

/* ============ 页脚 ============ */
.ky-footer{background:var(--ky-ink);color:rgba(247,245,240,.68);padding:72px 0 28px}
.ky-footer-grid{display:grid;grid-template-columns:4fr 2.5fr 2.5fr 3fr;gap:32px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.ky-footer .ky-brand-text{color:#fff}
.ky-footer .ky-brand-mark{color:#7FC0AE}
.ky-footer-about{font-size:14px;line-height:1.8;margin-top:16px;max-width:320px}
.ky-footer h4{font-size:14px;color:#fff;font-weight:700;letter-spacing:.04em;margin-bottom:18px}
.ky-footer-links li{margin-bottom:12px}
.ky-footer-links a{font-size:14px;color:rgba(247,245,240,.68)}
.ky-footer-links a:hover{color:#fff}
.ky-footer-contact li{font-size:14px;line-height:1.8;margin-bottom:12px;display:flex;gap:10px}
.ky-footer-contact i{color:#7FC0AE;margin-top:6px;font-size:13px}
.ky-footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:24px;flex-wrap:wrap}
.ky-footer-bottom p{font-size:13px;color:rgba(247,245,240,.5)}
.ky-footer-badges{display:flex;gap:10px}
.ky-footer-badges span{
  font-size:12px;padding:5px 12px;border-radius:var(--ky-r-pill);
  border:1px solid rgba(255,255,255,.14);color:rgba(247,245,240,.6);
}

/* ============ 移动端抽屉 ============ */
.ky-drawer-mask{
  position:fixed;inset:0;background:rgba(14,21,19,.48);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ky-ease),visibility .24s var(--ky-ease);z-index:80;
}
.ky-drawer-mask.is-open{opacity:1;visibility:visible}
.ky-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:var(--ky-surface);
  transform:translateX(102%);transition:transform .28s var(--ky-ease);z-index:90;
  padding:20px 22px 28px;overflow-y:auto;box-shadow:-12px 0 40px rgba(20,26,24,.16);
}
.ky-drawer.is-open{transform:translateX(0)}
.ky-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--ky-border)}
.ky-drawer-list{margin-top:8px}
.ky-drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;border-bottom:1px solid var(--ky-divider);font-size:15.5px;color:var(--ky-text);
}
.ky-drawer-list a.is-active{color:var(--ky-primary);font-weight:600}
.ky-drawer-list a i{font-size:12px;color:var(--ky-text-faint)}
.ky-drawer-foot{margin-top:24px;padding-top:20px;border-top:1px solid var(--ky-border);font-size:13px;color:var(--ky-text-muted);line-height:1.9}

/* ============ 动效 ============ */
.ky-reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ky-ease),transform .5s var(--ky-ease)}
.ky-reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media screen and (max-width:1439px){
  .ky-container{max-width:1200px}
}
@media screen and (max-width:1023px){
  .ky-nav-inner{grid-template-columns:auto auto;justify-content:space-between;height:60px}
  .ky-header.is-stuck .ky-nav-inner{height:56px}
  .ky-nav{display:none}
  .ky-nav-minor{display:none}
  .ky-burger{display:inline-flex}
  .ky-hero-grid{grid-template-columns:1fr;gap:20px}
  .ky-hero-copy{padding:24px 0 8px}
  .ky-hero-media{aspect-ratio:16/9}
  .ky-hero-float{right:14px;bottom:14px;width:150px;padding:12px 14px}
  .ky-anchor-bar{top:60px}
  .ky-metrics-grid{grid-template-columns:repeat(2,1fr)}
  .ky-metric:nth-child(2n){border-right:0}
  .ky-cell-lg,.ky-cell-md,.ky-cell-sm{grid-column:span 6}
  .ky-news-grid{grid-template-columns:1fr}
  .ky-side-card{position:static}
  .ky-compare-grid{grid-template-columns:1fr}
  .ky-compare-axis{padding-top:0;flex-direction:row}
  .ky-compare-axis i{transform:rotate(90deg)}
  .ky-cta-grid{grid-template-columns:1fr}
  .ky-footer-grid{grid-template-columns:1fr 1fr}
  .ky-section{padding:80px 0}
  .ky-metrics,.ky-compare{padding:72px 0}
}
@media screen and (max-width:767px){
  .ky-container{padding:0 20px}
  body{font-size:15.5px}
  .ky-section{padding:60px 0}
  .ky-section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .ky-hero-copy{padding:18px 0 0}
  .ky-hero-actions{gap:14px}
  .ky-hero-actions .ky-btn{width:100%}
  .ky-metrics-grid{grid-template-columns:repeat(2,1fr)}
  .ky-metric{padding:22px 16px}
  .ky-cell-lg,.ky-cell-md,.ky-cell-sm{grid-column:span 12}
  .ky-news-lead{grid-template-columns:1fr}
  .ky-news-lead-media img{aspect-ratio:16/9}
  .ky-news-item-thumb{display:none}
  .ky-cta-info,.ky-form-card{padding:24px 20px}
  .ky-faq-a p{padding:0 20px 20px 20px}
  .ky-footer{padding:52px 0 24px}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px}
  .ky-footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:479px){
  .ky-hero-float{position:static;width:100%;margin-top:12px}
  .ky-metrics-grid{grid-template-columns:1fr}
  .ky-metric{border-right:0}
  .ky-anchor-list{gap:18px}
  .ky-hero-trust span+span::before{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .ky-reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ky-primary:#10433B;
  --ky-primary-600:#1C6B5C;
  --ky-accent:#E0663A;
  --ky-bg:#F7F5F0;
  --ky-bg-alt:#EFEDE6;
  --ky-surface:#FFFFFF;
  --ky-ink:#0E1513;
  --ky-text:#141A18;
  --ky-text-muted:#5C6866;
  --ky-text-faint:#8A9391;
  --ky-border:#E3E0D8;
  --ky-radius-card:10px;
  --ky-radius-btn:8px;
  --ky-radius-img:12px;
  --ky-shadow-sm:0 1px 2px rgba(20,26,24,.05);
  --ky-shadow-lg:0 12px 32px rgba(16,67,59,.10);
  --ky-shell-max:1200px;
  --ky-ease:cubic-bezier(.22,.61,.36,1);
  --ky-font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ky-font);
  font-size:16px;
  line-height:1.8;
  color:var(--ky-text);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ky-primary);text-decoration:none;transition:color .24s var(--ky-ease)}
a:hover{color:var(--ky-primary-600)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px}
h1,h2,h3,h4{margin:0;color:var(--ky-text);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ky-text)}
body,button,input,select,textarea{font-family:var(--ky-font)}
.ky-container{width:100%;max-width:var(--ky-shell-max);margin:0 auto;padding:0 24px}
.ky-section{padding:96px 0}
.ky-section--tight{padding:72px 0}
.ky-section--alt{background:var(--ky-bg-alt)}
.ky-eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--ky-primary-600);
  margin-bottom:14px;
  font-weight:600;
}
.ky-h2{font-size:clamp(22px,2.2vw,32px);line-height:1.3}
.ky-lead{color:var(--ky-text-muted);font-size:16px;max-width:720px}
.ky-section-head{margin-bottom:44px}
.ky-section-head--split{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.ky-num{font-variant-numeric:tabular-nums}

/* 导航 */
.ky-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ky-ease),background .24s var(--ky-ease),border-color .24s var(--ky-ease);
}
.ky-header.is-scrolled{background:rgba(255,255,255,.97);border-bottom-color:var(--ky-border);box-shadow:0 1px 0 rgba(20,26,24,.03)}
.ky-header-inner{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:24px;
  align-items:center;
  height:68px;
  transition:height .24s var(--ky-ease);
}
.ky-header.is-scrolled .ky-header-inner{height:60px}
.ky-header-left{display:flex;align-items:center;gap:28px;min-width:0}
.ky-header-right{display:flex;align-items:center;justify-content:flex-end;gap:14px}
.ky-brand{display:inline-flex;align-items:center;gap:10px;color:var(--ky-text);flex:0 0 auto}
.ky-brand:hover{color:var(--ky-primary)}
.ky-brand-mark{display:inline-flex;color:var(--ky-primary)}
.ky-brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.ky-nav-list{display:flex;align-items:center;gap:22px}
.ky-nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--ky-text-muted);
  white-space:nowrap;
}
.ky-nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--ky-primary);transition:width .2s var(--ky-ease);
}
.ky-nav-link:hover{color:var(--ky-text)}
.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%}
.ky-nav-link.is-active::before{
  content:"";position:absolute;right:-9px;top:50%;width:5px;height:5px;margin-top:-2.5px;
  border-radius:50%;background:var(--ky-accent);
}
.ky-search-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--ky-radius-btn);
  border:1px solid var(--ky-border);background:var(--ky-surface);color:var(--ky-text-muted);
  transition:border-color .24s var(--ky-ease),color .24s var(--ky-ease);
}
.ky-search-toggle:hover{border-color:rgba(16,67,59,.35);color:var(--ky-primary)}
.ky-text-link{font-size:14px;color:var(--ky-text-muted);white-space:nowrap}
.ky-text-link:hover{color:var(--ky-primary)}
.ky-search-panel{
  border-top:1px solid var(--ky-border);
  background:var(--ky-surface);
  display:none;
}
.ky-search-panel.is-open{display:block}
.ky-search-inner{padding:18px 0 22px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.ky-search-input{
  flex:1 1 320px;height:46px;padding:0 16px;border-radius:var(--ky-radius-btn);
  border:1px solid var(--ky-border);background:var(--ky-bg);
}
.ky-search-hint{font-size:13px;color:var(--ky-text-faint);flex:1 1 240px}
.ky-burger{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border-radius:var(--ky-radius-btn);border:1px solid var(--ky-border);
  background:var(--ky-surface);color:var(--ky-text);
}
.ky-burger span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.ky-burger span::before,.ky-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.ky-burger span::before{top:-6px}
.ky-burger span::after{top:6px}

/* 抽屉 */
.ky-drawer-mask{
  position:fixed;inset:0;background:rgba(14,21,19,.48);opacity:0;pointer-events:none;
  transition:opacity .24s var(--ky-ease);z-index:70;
}
.ky-drawer-mask.is-open{opacity:1;pointer-events:auto}
.ky-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:80;
  background:var(--ky-surface);transform:translateX(100%);
  transition:transform .28s var(--ky-ease);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.ky-drawer.is-open{transform:translateX(0)}
.ky-drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.ky-drawer-close{width:36px;height:36px;border-radius:var(--ky-radius-btn);border:1px solid var(--ky-border);background:var(--ky-surface);color:var(--ky-text)}
.ky-drawer-link{
  display:flex;justify-content:space-between;align-items:center;
  height:52px;border-bottom:1px solid var(--ky-border);color:var(--ky-text);font-size:15px;
}
.ky-drawer-link.is-active{color:var(--ky-primary);font-weight:600}
.ky-drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--ky-border);font-size:13px;color:var(--ky-text-faint);line-height:1.9}

/* 面包屑 */
.ky-crumb{padding:22px 0 0;font-size:13px;color:var(--ky-text-faint)}
.ky-crumb a{color:var(--ky-text-faint)}
.ky-crumb a:hover{color:var(--ky-primary);text-decoration:underline}
.ky-crumb span{color:var(--ky-text-muted)}
.ky-crumb .ky-crumb-sep{margin:0 8px;color:var(--ky-text-faint)}

/* 按钮 */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--ky-radius-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  transition:background .24s var(--ky-ease),color .24s var(--ky-ease),border-color .24s var(--ky-ease),transform .24s var(--ky-ease),box-shadow .24s var(--ky-ease);
}
.ky-btn-primary{background:var(--ky-primary);color:#F7F5F0}
.ky-btn-primary:hover{background:var(--ky-accent);color:#fff;transform:translateY(-1px)}
.ky-btn-primary:active{background:#0B332D;transform:none}
.ky-btn-primary i{transition:transform .24s var(--ky-ease)}
.ky-btn-primary:hover i{transform:translateX(3px)}
.ky-btn-ghost{background:transparent;border-color:rgba(16,67,59,.3);color:var(--ky-primary)}
.ky-btn-ghost:hover{border-color:var(--ky-primary);background:rgba(16,67,59,.06)}
.ky-btn-sm{height:40px;padding:0 18px;font-size:14px}
.ky-link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ky-primary)}
.ky-link-arrow i{transition:transform .24s var(--ky-ease)}
.ky-link-arrow:hover i{transform:translateX(4px)}

/* 徽章 */
.ky-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:rgba(16,67,59,.08);color:var(--ky-primary);
  font-size:12px;letter-spacing:.12em;font-weight:600;
}
.ky-badge--accent{background:rgba(224,102,58,.12);color:var(--ky-accent)}

/* Hero */
.ky-hero{padding:34px 0 72px}
.ky-hero-bar{
  display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:center;
  background:var(--ky-surface);border:1px solid var(--ky-border);
  border-radius:var(--ky-radius-img);overflow:hidden;box-shadow:var(--ky-shadow-sm);
}
.ky-hero-copy{padding:44px 40px}
.ky-hero h1{
  font-size:clamp(28px,3.2vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
  margin-bottom:18px;
}
.ky-hero h1 em{font-style:normal;color:var(--ky-primary-600)}
.ky-hero-sub{font-size:16.5px;color:var(--ky-text-muted);max-width:560px}
.ky-hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin:26px 0 20px}
.ky-trust{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--ky-text-faint)}
.ky-trust span{display:inline-flex;align-items:center;gap:10px}
.ky-trust span::after{content:"";width:1px;height:12px;background:var(--ky-border)}
.ky-trust span:last-child::after{display:none}
.ky-hero-figure{position:relative;height:100%;min-height:260px}
.ky-hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:0}
.ky-hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,rgba(0,0,0,.45),rgba(0,0,0,0) 65%)}
.ky-hero-float{
  position:absolute;right:20px;bottom:20px;width:172px;
  background:rgba(247,245,240,.96);border:1px solid rgba(16,67,59,.15);
  border-radius:var(--ky-radius-card);padding:14px 16px;
}
.ky-hero-float strong{display:block;font-size:26px;line-height:1.1;color:var(--ky-primary);font-variant-numeric:tabular-nums}
.ky-hero-float span{display:block;font-size:12.5px;color:var(--ky-text-muted);line-height:1.6;margin-top:4px}

/* 指标条 */
.ky-metrics{border-top:1px solid var(--ky-border);border-bottom:1px solid var(--ky-border)}
.ky-metric-row{
  display:grid;grid-template-columns:170px 1fr 40px;gap:24px;align-items:center;
  padding:26px 0;border-top:1px solid var(--ky-border);
  transition:background .24s var(--ky-ease);
}
.ky-metric-row:first-child{border-top:0}
.ky-metric-value{font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1;color:var(--ky-primary);font-variant-numeric:tabular-nums}
.ky-metric-value.is-accent{color:var(--ky-accent)}
.ky-metric-body h3{font-size:18px;margin-bottom:6px}
.ky-metric-body p{margin:0;color:var(--ky-text-muted);font-size:15px;max-width:720px}
.ky-metric-go{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:50%;border:1px solid var(--ky-border);color:var(--ky-primary);
  transition:transform .24s var(--ky-ease),border-color .24s var(--ky-ease);
}
.ky-metric-row:hover .ky-metric-go{transform:translateX(4px);border-color:rgba(16,67,59,.4)}

/* 编号列表 */
.ky-checklist{border-top:1px solid var(--ky-border)}
.ky-check-item{
  display:grid;grid-template-columns:70px 1fr 40px;gap:20px;align-items:center;
  min-height:78px;padding:16px 12px;border-bottom:1px solid var(--ky-border);
  color:var(--ky-text);transition:background .2s var(--ky-ease);
}
.ky-check-item:hover{background:#FAF9F5;color:var(--ky-primary)}
.ky-check-index{font-size:20px;font-weight:700;color:var(--ky-primary);font-variant-numeric:tabular-nums}
.ky-check-body h3{font-size:17px;font-weight:600;margin-bottom:4px;transition:color .2s var(--ky-ease)}
.ky-check-item:hover .ky-check-body h3{color:var(--ky-primary)}
.ky-check-body p{margin:0;font-size:14.5px;color:var(--ky-text-muted);line-height:1.7}
.ky-check-go{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border-radius:50%;border:1px solid var(--ky-border);color:var(--ky-primary);
  transition:transform .24s var(--ky-ease),border-color .24s var(--ky-ease);
}
.ky-check-item:hover .ky-check-go{transform:translateX(4px);border-color:rgba(16,67,59,.4)}

/* 准备事项 */
.ky-prep{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center}
.ky-prep-figure{position:relative;border-radius:var(--ky-radius-img);overflow:hidden;aspect-ratio:4/3}
.ky-prep-figure img{width:100%;height:100%;object-fit:cover}
.ky-prep-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,rgba(0,0,0,.4),rgba(0,0,0,0) 60%)}
.ky-prep-list{margin-top:26px}
.ky-prep-item{
  position:relative;padding:0 0 0 20px;margin-bottom:20px;
  border-left:4px solid var(--ky-primary);border-radius:2px;
}
.ky-prep-item h3{font-size:17px;margin-bottom:6px}
.ky-prep-item p{margin:0;color:var(--ky-text-muted);font-size:15px}

/* FAQ */
.ky-faq{max-width:880px;margin:0 auto}
.ky-faq-item{
  background:var(--ky-surface);border:1px solid var(--ky-border);
  border-radius:var(--ky-radius-card);margin-bottom:14px;overflow:hidden;
  transition:border-color .24s var(--ky-ease),box-shadow .24s var(--ky-ease);
}
.ky-faq-item.is-open{border-color:rgba(16,67,59,.3);box-shadow:var(--ky-shadow-sm)}
.ky-faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  min-height:56px;padding:12px 20px;background:transparent;border:0;
  text-align:left;font-size:16px;font-weight:600;color:var(--ky-text);
}
.ky-faq-q .ky-faq-num{color:var(--ky-primary);font-variant-numeric:tabular-nums;font-size:14px;flex:0 0 auto}
.ky-faq-q .ky-faq-text{flex:1 1 auto;line-height:1.6}
.ky-faq-icon{
  flex:0 0 auto;position:relative;width:16px;height:16px;
}
.ky-faq-icon::before,.ky-faq-icon::after{
  content:"";position:absolute;background:var(--ky-primary);border-radius:2px;
  transition:transform .24s var(--ky-ease),opacity .24s var(--ky-ease);
}
.ky-faq-icon::before{left:0;top:7px;width:16px;height:2px}
.ky-faq-icon::after{left:7px;top:0;width:2px;height:16px}
.ky-faq-item.is-open .ky-faq-icon::after{transform:rotate(90deg);opacity:0}
.ky-faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ky-ease)}
.ky-faq-a-inner{padding:0 20px 20px 60px;color:var(--ky-text-muted);font-size:15px;line-height:1.85}

/* CTA */
.ky-cta{
  background:rgba(16,67,59,.06);
  border-top:1px solid var(--ky-border);border-bottom:1px solid var(--ky-border);
  padding:64px 0;
}
.ky-cta-inner{
  max-width:800px;margin:0 auto;text-align:center;
}
.ky-cta-inner h2{font-size:clamp(22px,2.2vw,30px);margin-bottom:14px}
.ky-cta-inner p{color:var(--ky-text-muted);max-width:640px;margin:0 auto 26px}
.ky-cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* 页脚 */
.ky-footer{background:var(--ky-ink);color:#D9DCD8;padding:72px 0 28px}
.ky-footer .ky-brand{color:#F7F5F0}
.ky-footer .ky-brand-mark{color:#F7F5F0}
.ky-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.ky-footer h4{color:#F7F5F0;font-size:15px;margin-bottom:16px}
.ky-footer-about{font-size:13.5px;color:#98A29E;line-height:1.9;margin-top:16px;max-width:280px}
.ky-footer-links li{margin-bottom:10px}
.ky-footer-links a{font-size:14px;color:#B7C0BC}
.ky-footer-links a:hover{color:#F7F5F0}
.ky-footer-contact li{display:flex;gap:10px;font-size:13.5px;color:#98A29E;margin-bottom:12px;line-height:1.7}
.ky-footer-contact i{color:var(--ky-accent);margin-top:5px}
.ky-footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  font-size:13px;color:#7E8884;
}
.ky-footer-badges{display:flex;gap:10px}
.ky-footer-badges span{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);font-size:12px;color:#98A29E;
}

/* 动效 */
.ky-reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ky-ease),transform .5s var(--ky-ease)}
.ky-reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .ky-reveal{opacity:1;transform:none;transition:none}
  *{animation:none !important;transition:none !important}
}

/* 断点 */
@media (max-width:1199px){
  :root{--ky-shell-max:1080px}
}
@media (max-width:1023px){
  .ky-nav,.ky-header-right .ky-text-link{display:none}
  .ky-burger{display:inline-flex}
  .ky-header-inner{grid-template-columns:1fr auto;height:60px}
  .ky-header-left{gap:16px}
  .ky-hero-bar{grid-template-columns:1fr}
  .ky-hero-copy{padding:32px 24px}
  .ky-hero-figure{min-height:200px;aspect-ratio:16/9}
  .ky-prep{grid-template-columns:1fr;gap:28px}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .ky-check-item{grid-template-columns:56px 1fr 32px;gap:14px}
  .ky-section{padding:76px 0}
}
@media (max-width:767px){
  .ky-section{padding:60px 0}
  .ky-section-head{margin-bottom:30px}
  .ky-metric-row{grid-template-columns:1fr 32px;gap:12px;padding:22px 0}
  .ky-metric-value{grid-column:1 / -1}
  .ky-check-item{grid-template-columns:44px 1fr;padding:16px 8px}
  .ky-check-go{display:none}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px}
  .ky-footer-about{max-width:none}
  .ky-footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .ky-container{padding:0 20px}
  .ky-hero{padding:22px 0 52px}
  .ky-hero-copy{padding:26px 20px}
  .ky-hero-float{width:150px;right:14px;bottom:14px;padding:12px}
  .ky-hero-float strong{font-size:22px}
  .ky-btn{width:100%;padding:0 20px}
  .ky-cta-actions{flex-direction:column}
  .ky-faq-a-inner{padding-left:20px}
  .ky-prep-item{padding-left:16px}
}

/* roulang page: article */
:root{
  --ky-primary:#10433B;
  --ky-primary-600:#1C6B5C;
  --ky-primary-soft:#E8F0ED;
  --ky-accent:#E0663A;
  --ky-ink:#0E1513;
  --ky-bg:#F7F5F0;
  --ky-bg-alt:#EFEDE6;
  --ky-surface:#FFFFFF;
  --ky-text:#141A18;
  --ky-text-muted:#5C6866;
  --ky-text-faint:#8A9391;
  --ky-border:#E3E0D8;
  --ky-radius:10px;
  --ky-radius-btn:8px;
  --ky-radius-img:12px;
  --ky-shadow:0 1px 2px rgba(20,26,24,.05);
  --ky-shadow-hover:0 12px 32px rgba(16,67,59,.10);
  --ky-container:1200px;
  --ky-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;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ky-text);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ky-primary-600);text-decoration:none;background-color:transparent}
a:hover{color:var(--ky-primary)}
button{font-family:inherit;font-size:inherit;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ky-text)}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{list-style:none;padding:0}
hr{border:0;border-top:1px solid var(--ky-border)}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px}

.ky-container{width:100%;max-width:var(--ky-container);margin:0 auto;padding:0 24px}
.ky-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.ky-section{padding:88px 0}
.ky-section-alt{background:var(--ky-bg-alt)}
.ky-section-head{max-width:760px;margin-bottom:36px}
.ky-eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--ky-primary-600);font-weight:700;margin-bottom:12px}
.ky-h2{font-size:clamp(22px,2.2vw,32px);line-height:1.3;font-weight:800;letter-spacing:-.01em}
.ky-lead{font-size:16px;line-height:1.85;color:var(--ky-text-muted);margin-top:14px}

/* Header */
.ky-header{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.97);border-bottom:1px solid var(--ky-border);transition:box-shadow .24s var(--ky-ease),background .24s var(--ky-ease)}
.ky-header.is-shrink{box-shadow:0 6px 20px rgba(20,26,24,.07);background:#FFFDF9}
.ky-progress{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:var(--ky-primary);z-index:5;transition:width .12s linear}
.ky-header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;transition:height .24s var(--ky-ease)}
.ky-header.is-shrink .ky-header-inner{height:60px}
.ky-header-left{display:flex;align-items:center;gap:30px;flex:7 1 0;min-width:0}
.ky-header-right{display:flex;align-items:center;justify-content:flex-end;gap:12px;flex:5 1 0}
.ky-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.ky-brand:hover{text-decoration:none}
.ky-brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;border:1px solid rgba(16,67,59,.18);background:var(--ky-primary-soft);color:var(--ky-primary)}
.ky-brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ky-primary)}
.ky-nav-list{display:flex;align-items:center;gap:22px}
.ky-nav-link{position:relative;display:inline-block;padding:22px 0;font-size:15px;color:var(--ky-text-muted);text-decoration:none;transition:color .2s var(--ky-ease)}
.ky-nav-link::after{content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;background:var(--ky-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ky-ease)}
.ky-nav-link:hover{color:var(--ky-text);text-decoration:none}
.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-nav-link.is-active::before{content:"";position:absolute;left:50%;margin-left:-3px;bottom:6px;width:6px;height:6px;border-radius:50%;background:var(--ky-accent)}
.ky-icon-btn{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;border-radius:8px;border:1px solid var(--ky-border);background:#fff;color:var(--ky-text-muted);font-size:14px;cursor:pointer;transition:border-color .2s var(--ky-ease),color .2s var(--ky-ease),transform .2s var(--ky-ease)}
.ky-icon-btn:hover{border-color:rgba(16,67,59,.35);color:var(--ky-primary)}
.ky-menu-btn{display:none}
.ky-search-panel{position:absolute;left:0;right:0;top:100%;background:#FFFDF9;border-bottom:1px solid var(--ky-border);box-shadow:0 14px 28px rgba(20,26,24,.07);padding:16px 0;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .24s var(--ky-ease),transform .24s var(--ky-ease),visibility .24s}
.ky-search-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.ky-search-form{display:flex;gap:12px;max-width:720px;margin:0 auto}
.ky-search-form input{flex:1;height:46px;padding:0 16px;border:1px solid var(--ky-border);border-radius:8px;background:#fff}
.ky-search-form input:focus{outline:none;border-color:var(--ky-primary);box-shadow:0 0 0 2px rgba(16,67,59,.14)}
.ky-drawer-mask{position:fixed;inset:0;background:rgba(14,21,19,.48);opacity:0;visibility:hidden;transition:opacity .26s var(--ky-ease),visibility .26s;z-index:80}
.ky-drawer-mask.is-open{opacity:1;visibility:visible}
.ky-drawer{position:fixed;top:0;right:0;width:82vw;max-width:360px;height:100%;background:#FFFDF9;z-index:90;transform:translateX(100%);transition:transform .28s var(--ky-ease);overflow-y:auto;padding:22px}
.ky-drawer.is-open{transform:translateX(0)}
.ky-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.ky-drawer-list li a{display:flex;align-items:center;justify-content:space-between;height:52px;border-bottom:1px solid var(--ky-border);color:var(--ky-text);font-size:15px;text-decoration:none}
.ky-drawer-list li a i{color:var(--ky-text-faint);font-size:12px}
.ky-drawer-list li a.is-active{color:var(--ky-primary);font-weight:600}
.ky-drawer-search{margin:18px 0}
.ky-drawer-search input{width:100%;height:46px;padding:0 14px;border:1px solid var(--ky-border);border-radius:8px;background:#fff}
.ky-drawer-contact{margin-top:20px;font-size:13.5px;color:var(--ky-text-muted);line-height:1.9}
body.is-locked{overflow:hidden}

/* Buttons */
.ky-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--ky-radius-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;transition:background .24s var(--ky-ease),color .24s var(--ky-ease),border-color .24s var(--ky-ease),transform .24s var(--ky-ease)}
.ky-btn:hover{text-decoration:none}
.ky-btn-primary{background:var(--ky-primary);color:#F7F5F0}
.ky-btn-primary:hover{background:var(--ky-accent);color:#fff;transform:translateY(-1px)}
.ky-btn-primary:active{background:var(--ky-primary);transform:none}
.ky-btn-secondary{background:transparent;border-color:rgba(16,67,59,.3);color:var(--ky-primary)}
.ky-btn-secondary:hover{border-color:var(--ky-primary);background:var(--ky-primary-soft)}
.ky-btn-ghost{background:transparent;border-color:rgba(255,255,255,.24);color:#F7F5F0}
.ky-btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.ky-btn-sm{height:38px;padding:0 18px;font-size:14px}
.ky-btn-block{width:100%}
.ky-btn .ky-btn-arrow{transition:transform .24s var(--ky-ease)}
.ky-btn:hover .ky-btn-arrow{transform:translateX(3px)}

/* Badges */
.ky-badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;background:var(--ky-primary-soft);color:var(--ky-primary);font-size:12px;font-weight:600;letter-spacing:.12em;white-space:nowrap}
.ky-badge-accent{background:#FBEAE3;color:#B84A25}
.ky-badge-light{background:rgba(255,255,255,.16);color:#F7F5F0;border:1px solid rgba(255,255,255,.3)}

/* Banner */
.ky-banner{position:relative;background-image:linear-gradient(180deg,rgba(14,21,19,.74),rgba(16,67,59,.6)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:#fff;padding:76px 0 62px}
.ky-banner .ky-badge{margin-bottom:16px}
.ky-banner h1{font-size:clamp(28px,3.2vw,44px);line-height:1.25;font-weight:800;letter-spacing:-.02em;color:#fff;max-width:900px}
.ky-banner-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13.5px;color:rgba(247,245,240,.82);font-variant-numeric:tabular-nums}
.ky-banner-meta i{margin-right:6px;font-size:13px}
.ky-crumb{margin-bottom:20px}
.ky-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px}
.ky-crumb li{display:flex;align-items:center;gap:8px;color:rgba(247,245,240,.72)}
.ky-crumb li+li::before{content:"›";color:rgba(247,245,240,.5)}
.ky-crumb a{color:rgba(247,245,240,.82);text-decoration:none}
.ky-crumb a:hover{color:#fff;text-decoration:underline}
.ky-crumb li[aria-current] span{color:#F0C9B8;display:inline-block;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}

/* Article layout */
.ky-read-section{padding:56px 0 80px}
.ky-read-grid{margin-left:0;margin-right:0}
.ky-read-grid>.cell{width:100%}
.ky-feature{margin-bottom:32px}
.ky-ratio{position:relative;width:100%;overflow:hidden;background:var(--ky-bg-alt);border-radius:var(--ky-radius-img)}
.ky-ratio img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ky-ease)}
.ky-ratio-16x9{padding-top:56.25%}
.ky-ratio-4x3{padding-top:75%}
.ky-ratio-21x9{padding-top:42.86%}
.ky-ratio figcaption,.ky-feature figcaption{font-size:13px;color:var(--ky-text-faint);text-align:center;margin-top:10px}

.ky-article-body{max-width:760px;font-size:16.5px;line-height:1.9;color:var(--ky-text)}
.ky-article-body>*:first-child{margin-top:0}
.ky-article-body p{margin:0 0 1.2em}
.ky-article-body h2{font-size:26px;line-height:1.35;font-weight:800;margin:48px 0 18px;padding-left:14px;border-left:4px solid var(--ky-primary);border-radius:2px}
.ky-article-body h3{font-size:20px;line-height:1.4;font-weight:700;margin:32px 0 14px}
.ky-article-body h4{font-size:17px;line-height:1.5;font-weight:700;margin:24px 0 10px}
.ky-article-body a{color:var(--ky-primary-600);text-decoration:none}
.ky-article-body a:hover{color:var(--ky-primary);text-decoration:underline}
.ky-article-body ul,.ky-article-body ol{margin:0 0 1.2em}
.ky-article-body ul li{position:relative;padding-left:20px;margin:8px 0}
.ky-article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--ky-primary)}
.ky-article-body ol{counter-reset:ky-li}
.ky-article-body ol li{counter-increment:ky-li;position:relative;padding-left:28px;margin:8px 0}
.ky-article-body ol li::before{content:counter(ky-li);position:absolute;left:0;top:0;color:var(--ky-primary);font-weight:700;font-variant-numeric:tabular-nums}
.ky-article-body blockquote{margin:20px 0;padding:20px 22px;background:#F2F0E9;border-left:3px solid var(--ky-primary);border-radius:0 10px 10px 0;color:var(--ky-text-muted);font-size:16px}
.ky-article-body img{border-radius:var(--ky-radius-img);margin:24px auto}
.ky-article-body figure{margin:24px 0}
.ky-article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.ky-article-body th{background:var(--ky-primary-soft);color:var(--ky-primary);text-align:left;font-weight:700}
.ky-article-body th,.ky-article-body td{border:1px solid var(--ky-border);padding:12px 16px}
.ky-article-body tbody tr:nth-child(even){background:#FAF9F5}
.ky-article-body pre{background:var(--ky-ink);color:#EDEAE3;padding:20px;border-radius:10px;overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.ky-article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.ky-empty{padding:56px 28px;background:#fff;border:1px dashed var(--ky-border);border-radius:var(--ky-radius);text-align:center;min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}
.ky-empty i{font-size:34px;color:var(--ky-text-faint)}
.ky-empty p{font-size:16px;color:var(--ky-text-muted)}

.ky-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid var(--ky-border)}
.ky-tags .ky-tag{display:inline-flex;align-items:center;height:26px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--ky-border);color:var(--ky-text-muted);font-size:13px;text-decoration:none;transition:border-color .2s var(--ky-ease),color .2s var(--ky-ease)}
.ky-tags .ky-tag:hover{border-color:rgba(16,67,59,.35);color:var(--ky-primary)}

/* Sidebar */
.ky-side-card{background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-radius);padding:22px;box-shadow:var(--ky-shadow);margin-bottom:20px}
.ky-side-card h3{font-size:15px;font-weight:700;margin:0 0 14px;color:var(--ky-text);display:flex;align-items:center;gap:8px}
.ky-side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--ky-primary)}
.ky-toc-list li{margin:0}
.ky-toc-list a{display:block;padding:9px 0 9px 12px;font-size:14px;line-height:1.6;color:var(--ky-text-muted);border-left:2px solid transparent;text-decoration:none;transition:color .2s var(--ky-ease),border-color .2s var(--ky-ease)}
.ky-toc-list a:hover{color:var(--ky-primary)}
.ky-toc-list a.is-current{color:var(--ky-primary);border-left-color:var(--ky-primary);font-weight:600}
.ky-side-links li{border-bottom:1px solid var(--ky-border)}
.ky-side-links li:last-child{border-bottom:0}
.ky-side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;font-size:14px;color:var(--ky-text);text-decoration:none;transition:color .2s var(--ky-ease)}
.ky-side-links a i{font-size:11px;color:var(--ky-text-faint);transition:transform .2s var(--ky-ease)}
.ky-side-links a:hover{color:var(--ky-primary)}
.ky-side-links a:hover i{transform:translateX(3px)}

/* Cards */
.ky-grid{display:grid;gap:24px}
.ky-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.ky-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.ky-card{display:flex;flex-direction:column;background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-radius);overflow:hidden;box-shadow:var(--ky-shadow);text-decoration:none;color:inherit;transition:transform .24s var(--ky-ease),box-shadow .24s var(--ky-ease),border-color .24s var(--ky-ease)}
.ky-card:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-hover);border-color:rgba(16,67,59,.3);text-decoration:none}
.ky-card:hover .ky-ratio img{transform:scale(1.04)}
.ky-card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 24px;flex:1}
.ky-card-body h3{font-size:18px;line-height:1.45;font-weight:700;color:var(--ky-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s var(--ky-ease)}
.ky-card:hover .ky-card-body h3{color:var(--ky-primary)}
.ky-card-text{font-size:14.5px;line-height:1.8;color:var(--ky-text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ky-card-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ky-text-faint);font-variant-numeric:tabular-nums;margin-top:auto}
.ky-card-title-only{padding:24px;gap:12px}
.ky-card-title-only h3{font-size:17px}
.ky-card-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ky-primary-600);margin-top:auto;transition:transform .2s var(--ky-ease)}
.ky-card:hover .ky-card-arrow{transform:translateX(4px)}

/* FAQ */
.ky-faq{max-width:880px;margin:0 auto;display:grid;gap:14px}
.ky-faq-item{background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-radius);transition:border-color .24s var(--ky-ease)}
.ky-faq-item[open]{border-color:rgba(16,67,59,.3)}
.ky-faq-q{display:flex;align-items:center;gap:14px;min-height:56px;padding:12px 22px;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
.ky-faq-q::-webkit-details-marker{display:none}
.ky-faq-num{color:var(--ky-primary);font-size:14px;font-variant-numeric:tabular-nums}
.ky-faq-icon{position:relative;width:14px;height:14px;margin-left:auto;flex:0 0 auto}
.ky-faq-icon::before,.ky-faq-icon::after{content:"";position:absolute;background:var(--ky-primary);border-radius:1px;transition:transform .24s var(--ky-ease)}
.ky-faq-icon::before{left:0;top:6px;width:14px;height:2px}
.ky-faq-icon::after{left:6px;top:0;width:2px;height:14px}
.ky-faq-item[open] .ky-faq-icon::after{transform:scaleY(0)}
.ky-faq-a{padding:0 22px 20px 50px;font-size:15.5px;line-height:1.85;color:var(--ky-text-muted)}

/* CTA */
.ky-cta-wrap{padding:0 0 88px}
.ky-cta{display:flex;align-items:center;justify-content:space-between;gap:28px;background:var(--ky-primary-soft);border:1px solid rgba(16,67,59,.12);border-radius:var(--ky-radius-img);padding:36px 40px}
.ky-cta h2{font-size:clamp(20px,2vw,26px);font-weight:800;line-height:1.35;color:var(--ky-primary)}
.ky-cta p{margin-top:8px;font-size:15px;color:var(--ky-text-muted)}
.ky-cta .ky-btn{flex:0 0 auto}

/* Footer */
.ky-footer{background:var(--ky-ink);color:#C9CFCC;padding:64px 0 28px}
.ky-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.ky-footer h4{font-size:15px;color:#fff;font-weight:700;margin:0 0 16px}
.ky-footer .ky-brand{color:#fff}
.ky-footer .ky-brand-mark{border-color:rgba(255,255,255,.16);background:rgba(255,255,255,.07);color:#A9CFC4}
.ky-footer .ky-brand-text{color:#fff}
.ky-footer-about{font-size:13.5px;line-height:1.85;color:#98A29F;margin-top:14px;max-width:320px}
.ky-footer-links li{margin-bottom:10px}
.ky-footer a{color:#BCC4C1;font-size:14px;text-decoration:none}
.ky-footer a:hover{color:#fff}
.ky-footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#BCC4C1;margin-bottom:12px}
.ky-footer-contact i{margin-top:5px;color:#7FA79C;font-size:13px}
.ky-footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:var(--ky-text-faint)}
.ky-footer-badges{display:flex;gap:10px}
.ky-footer-badges span{border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:4px 12px;font-size:12px;color:#98A29F}

@media screen and (min-width:1440px){
  .ky-container{max-width:1320px}
}
@media screen and (min-width:1024px){
  .ky-read-main{padding-right:36px}
  .ky-read-side{padding-left:28px;position:sticky;top:96px;align-self:flex-start}
}
@media screen and (max-width:1023px){
  .ky-nav{display:none}
  .ky-menu-btn{display:inline-flex}
  .ky-header-left{flex:1 1 auto}
  .ky-header-right{flex:0 0 auto}
  .ky-section{padding:72px 0}
  .ky-read-section{padding:44px 0 64px}
}
@media screen and (max-width:767px){
  .ky-grid-3,.ky-grid-2{grid-template-columns:minmax(0,1fr)}
  .ky-banner{padding:56px 0 44px}
  .ky-banner h1{font-size:28px}
  .ky-crumb li[aria-current] span{max-width:180px}
  .ky-section{padding:56px 0}
  .ky-cta{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .ky-cta .ky-btn{width:100%}
  .ky-article-body{font-size:16px}
  .ky-article-body h2{font-size:22px;margin-top:40px}
  .ky-article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .ky-footer-grid{grid-template-columns:1fr 1fr}
  .ky-footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:520px){
  .ky-container{padding:0 20px}
  .ky-brand-text{font-size:16px}
  .ky-header-inner{height:56px}
  .ky-header.is-shrink .ky-header-inner{height:56px}
  .ky-search-form{flex-direction:column}
  .ky-footer-grid{grid-template-columns:1fr}
  .ky-card-body{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
}

/* roulang page: category3 */
:root{
  --ky-primary:#10433B;
  --ky-primary-600:#1C6B5C;
  --ky-primary-soft:#EAF1EE;
  --ky-accent:#E0663A;
  --ky-bg:#F7F5F0;
  --ky-bg-alt:#EFEDE6;
  --ky-surface:#FFFFFF;
  --ky-ink:#0E1513;
  --ky-text:#141A18;
  --ky-text-muted:#5C6866;
  --ky-text-faint:#8A9391;
  --ky-border:#E3E0D8;
  --ky-line:#FAF9F5;
  --ky-danger:#C4453A;
  --ky-r-card:10px;
  --ky-r-btn:8px;
  --ky-r-img:12px;
  --ky-r-pill:999px;
  --ky-shadow-1:0 1px 2px rgba(20,26,24,.05);
  --ky-shadow-2:0 12px 32px rgba(16,67,59,.10);
  --ky-container:1200px;
  --ky-gap:24px;
  --ky-ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ky-text);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
svg{display:block;}
a{color:var(--ky-primary);text-decoration:none;background-color:transparent;}
a:hover{color:var(--ky-primary-600);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,h6{margin:0 0 .6em;padding:0;font-weight:700;color:var(--ky-text);line-height:1.3;letter-spacing:-.01em;}
h1{font-size:clamp(28px,3.2vw,42px);line-height:1.2;letter-spacing:-.02em;}
h2{font-size:clamp(22px,2.2vw,32px);}
h3{font-size:18px;}
h4{font-size:16px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ky-text);}
::selection{background:rgba(16,67,59,.14);}
:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;}
.ky-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.ky-container{width:100%;max-width:var(--ky-container);margin:0 auto;padding:0 24px;}
.ky-section{padding:88px 0;}
.ky-section.is-tint{background:var(--ky-bg-alt);}
.ky-section.is-paper{background:var(--ky-surface);}
.ky-reveal{opacity:0;transform:translateY(16px);transition:opacity .32s var(--ky-ease),transform .32s var(--ky-ease);}
.ky-reveal.is-visible{opacity:1;transform:none;}
/* 按钮 */
.ky-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--ky-r-btn);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;letter-spacing:0;transition:background-color .2s var(--ky-ease),color .2s var(--ky-ease),border-color .2s var(--ky-ease),transform .2s var(--ky-ease),box-shadow .2s var(--ky-ease);text-align:center;cursor:pointer;background-image:none;}
.ky-btn i{transition:transform .2s var(--ky-ease);}
.ky-btn-primary{background:var(--ky-primary);color:#F7F5F0;}
.ky-btn-primary:hover{background:var(--ky-accent);color:#fff;transform:translateY(-1px);}
.ky-btn-primary:hover i{transform:translateX(3px);}
.ky-btn-primary:active{background:var(--ky-primary);transform:translateY(0);}
.ky-btn-ghost{background:transparent;border-color:rgba(16,67,59,.3);color:var(--ky-primary);}
.ky-btn-ghost:hover{border-color:var(--ky-primary);background:rgba(16,67,59,.06);color:var(--ky-primary);}
.ky-btn-sm{height:40px;padding:0 18px;font-size:14px;}
.ky-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ky-primary);}
.ky-link-arrow i{transition:transform .2s var(--ky-ease);}
.ky-link-arrow:hover{text-decoration:underline;}
.ky-link-arrow:hover i{transform:translateX(4px);}
/* 徽标 */
.ky-badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--ky-r-pill);background:var(--ky-primary-soft);color:var(--ky-primary);font-size:12px;letter-spacing:.12em;font-weight:600;}
.ky-badge.is-accent{background:rgba(224,102,58,.12);color:var(--ky-accent);}
.ky-eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;font-weight:700;color:var(--ky-primary-600);text-transform:none;margin-bottom:14px;position:relative;padding-left:16px;}
.ky-eyebrow::before{content:"";position:absolute;left:0;top:50%;width:8px;height:2px;background:var(--ky-accent);transform:translateY(-50%);}
/* 头部导航 */
.ky-header{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.94);border-bottom:1px solid var(--ky-border);transition:background-color .24s var(--ky-ease),box-shadow .24s var(--ky-ease);}
.ky-header.is-scrolled{background:rgba(247,245,240,.99);box-shadow:0 8px 24px rgba(16,67,59,.07);}
.ky-header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;transition:height .24s var(--ky-ease);}
.ky-header.is-scrolled .ky-header-inner{height:60px;}
.ky-header-left{display:flex;align-items:center;gap:28px;flex:0 0 62%;min-width:0;}
.ky-header-right{display:flex;align-items:center;justify-content:flex-end;gap:12px;flex:1 1 auto;min-width:0;}
.ky-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.ky-brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:rgba(16,67,59,.08);color:var(--ky-primary);}
.ky-brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ky-primary);white-space:nowrap;}
.ky-nav-list{display:flex;align-items:center;gap:2px;}
.ky-nav-link{position:relative;display:inline-flex;align-items:center;height:68px;padding:0 12px;font-size:14.5px;color:var(--ky-text-muted);transition:color .2s var(--ky-ease);white-space:nowrap;}
.ky-header.is-scrolled .ky-nav-link{height:60px;}
.ky-nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:16px;height:2px;background:var(--ky-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ky-ease);}
.ky-nav-link:hover{color:var(--ky-primary);}
.ky-nav-link:hover::after{transform:scaleX(1);}
.ky-nav-link.is-active{color:var(--ky-primary);font-weight:600;}
.ky-nav-link.is-active::after{transform:scaleX(1);}
.ky-nav-link.is-active::before{content:"";position:absolute;top:50%;left:2px;width:5px;height:5px;border-radius:50%;background:var(--ky-accent);transform:translateY(-50%);}
.ky-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--ky-r-btn);border:1px solid var(--ky-border);background:var(--ky-surface);color:var(--ky-text-muted);transition:color .2s var(--ky-ease),border-color .2s var(--ky-ease),background-color .2s var(--ky-ease);}
.ky-icon-btn:hover{color:var(--ky-primary);border-color:rgba(16,67,59,.3);background:var(--ky-primary-soft);}
.ky-burger{display:none;width:44px;height:44px;border:1px solid var(--ky-border);border-radius:var(--ky-r-btn);background:var(--ky-surface);color:var(--ky-primary);align-items:center;justify-content:center;}
.ky-search-panel{border-top:1px solid var(--ky-border);background:var(--ky-surface);padding:16px 0;}
.ky-search-panel[hidden]{display:none;}
.ky-search-form{display:flex;gap:12px;}
.ky-input{flex:1 1 auto;height:46px;padding:0 16px;border:1px solid var(--ky-border);border-radius:var(--ky-r-btn);background:var(--ky-bg);color:var(--ky-text);}
.ky-input:focus{outline:none;border-color:var(--ky-primary);box-shadow:0 0 0 2px rgba(16,67,59,.18);background:#fff;}
.ky-input::placeholder{color:var(--ky-text-faint);}
/* 抽屉 */
.ky-drawer-mask{position:fixed;inset:0;background:rgba(14,21,19,.48);opacity:0;visibility:hidden;transition:opacity .24s var(--ky-ease),visibility .24s;z-index:80;}
.ky-drawer-mask.is-open{opacity:1;visibility:visible;}
.ky-drawer{position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--ky-surface);z-index:90;transform:translateX(100%);transition:transform .24s var(--ky-ease);display:flex;flex-direction:column;overflow-y:auto;}
.ky-drawer.is-open{transform:translateX(0);}
.ky-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--ky-border);}
.ky-drawer-title{font-size:15px;font-weight:700;color:var(--ky-primary);}
.ky-drawer-list{padding:8px 0;}
.ky-drawer-list a{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 20px;font-size:15px;color:var(--ky-text);border-bottom:1px solid var(--ky-line);}
.ky-drawer-list a.is-active{color:var(--ky-primary);font-weight:600;background:var(--ky-primary-soft);}
.ky-drawer-list a i{color:var(--ky-text-faint);font-size:12px;}
.ky-drawer-foot{padding:20px;margin-top:auto;border-top:1px solid var(--ky-border);}
.ky-drawer-foot .ky-btn{width:100%;}
.ky-drawer-contact{margin-top:16px;font-size:13.5px;color:var(--ky-text-muted);line-height:1.9;}
.ky-no-scroll{overflow:hidden;}
/* 面包屑 */
.ky-crumbs{padding:22px 0 0;font-size:13px;color:var(--ky-text-faint);}
.ky-crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.ky-crumbs li{display:inline-flex;align-items:center;gap:8px;}
.ky-crumbs li:not(:last-child)::after{content:"/";color:var(--ky-border);}
.ky-crumbs a{color:var(--ky-text-faint);}
.ky-crumbs a:hover{color:var(--ky-primary);text-decoration:underline;}
.ky-crumbs li[aria-current] span{color:var(--ky-primary);font-weight:600;}
/* 首屏 */
.ky-hero{padding:32px 0 0;}
.ky-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--ky-gap);align-items:center;}
.ky-hero h1{margin-bottom:18px;}
.ky-hero h1 .ky-h1-sub{display:block;font-size:.66em;font-weight:600;color:var(--ky-primary-600);letter-spacing:0;margin-top:8px;}
.ky-lead{font-size:16.5px;line-height:1.85;color:var(--ky-text-muted);max-width:640px;margin-bottom:26px;}
.ky-hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:22px;}
.ky-trust{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ky-text-faint);}
.ky-trust span{display:inline-flex;align-items:center;}
.ky-trust span:not(:last-child)::after{content:"|";margin-left:10px;color:var(--ky-border);}
.ky-hero-media{position:relative;border-radius:var(--ky-r-img);overflow:hidden;background:var(--ky-bg-alt);aspect-ratio:4/3;}
.ky-hero-media img{width:100%;height:100%;object-fit:cover;border-radius:var(--ky-r-img);}
.ky-hero-banner{margin-top:44px;border-radius:var(--ky-r-img);overflow:hidden;aspect-ratio:3/1;background:var(--ky-bg-alt);}
.ky-hero-banner img{width:100%;height:100%;object-fit:cover;}
/* 板块头 */
.ky-section-head{max-width:780px;margin-bottom:40px;}
.ky-section-head h2{margin-bottom:14px;}
.ky-section-head p{color:var(--ky-text-muted);font-size:15.5px;margin:0;}
/* 对比矩阵 */
.ky-matrix-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--ky-r-img);}
.ky-matrix{display:grid;grid-template-columns:180px repeat(3,minmax(0,1fr));gap:1px;background:var(--ky-border);border:1px solid var(--ky-border);border-radius:var(--ky-r-img);overflow:hidden;min-width:860px;}
.ky-matrix > *{background:var(--ky-surface);padding:14px 18px;min-height:56px;display:flex;align-items:flex-start;font-size:14.5px;line-height:1.6;color:var(--ky-text-muted);}
.ky-matrix .ky-m-head{background:var(--ky-primary-soft);color:var(--ky-primary);font-weight:700;font-size:15px;align-items:center;}
.ky-matrix .ky-m-corner{background:var(--ky-bg-alt);color:var(--ky-text-faint);font-size:13px;letter-spacing:.08em;align-items:center;}
.ky-matrix .ky-m-row{background:var(--ky-line);color:var(--ky-text);font-weight:600;align-items:center;}
.ky-matrix .ky-m-cell{align-items:center;}
.ky-mark-yes{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:rgba(16,67,59,.1);color:var(--ky-primary);font-size:13px;font-weight:700;}
.ky-mark-no{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;color:var(--ky-text-faint);font-size:16px;}
.ky-matrix-note{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;font-size:13.5px;color:var(--ky-text-faint);}
.ky-matrix-note span{display:inline-flex;align-items:center;gap:8px;}
/* 要点条 */
.ky-points{display:grid;gap:16px;margin-top:44px;}
.ky-point{background:var(--ky-surface);border:1px solid var(--ky-border);border-left:4px solid var(--ky-primary);border-radius:var(--ky-r-card);padding:20px 24px;box-shadow:var(--ky-shadow-1);transition:transform .2s var(--ky-ease),box-shadow .2s var(--ky-ease);}
.ky-point:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-2);}
.ky-point h3{margin:0 0 6px;font-size:17px;}
.ky-point p{margin:0;font-size:14.5px;color:var(--ky-text-muted);}
/* 清单卡片 */
.ky-checks{margin:-12px;}
.ky-checks > .cell{padding:12px;}
.ky-check-card{height:100%;background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);padding:24px;box-shadow:var(--ky-shadow-1);transition:transform .2s var(--ky-ease),box-shadow .2s var(--ky-ease),border-color .2s var(--ky-ease);}
.ky-check-card:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-2);border-color:rgba(16,67,59,.3);}
.ky-check-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:var(--ky-primary-soft);color:var(--ky-primary);font-size:17px;margin-bottom:16px;}
.ky-check-card h3{margin:0 0 8px;font-size:17px;}
.ky-check-card p{margin:0;font-size:14.5px;color:var(--ky-text-muted);}
/* 步骤 */
.ky-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.ky-step{background:var(--ky-surface);border:1px solid var(--ky-border);border-top:2px solid var(--ky-primary);border-radius:var(--ky-r-card);padding:24px 22px;transition:transform .2s var(--ky-ease),box-shadow .2s var(--ky-ease);}
.ky-step:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-2);}
.ky-step-num{display:block;font-size:20px;font-weight:700;color:var(--ky-accent);font-variant-numeric:tabular-nums;letter-spacing:.02em;margin-bottom:12px;}
.ky-step h3{margin:0 0 8px;font-size:16.5px;}
.ky-step p{margin:0;font-size:14px;color:var(--ky-text-muted);}
/* FAQ */
.ky-faq{max-width:880px;margin:0 auto;display:grid;gap:14px;}
.ky-faq-item{background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-r-card);overflow:hidden;transition:border-color .2s var(--ky-ease),box-shadow .2s var(--ky-ease);}
.ky-faq-item.is-open{border-color:rgba(16,67,59,.3);box-shadow:var(--ky-shadow-1);}
.ky-faq-q{display:flex;align-items:center;gap:14px;width:100%;min-height:60px;padding:12px 20px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ky-text);line-height:1.55;}
.ky-faq-q:hover{color:var(--ky-primary);}
.ky-faq-num{flex:0 0 auto;font-size:13px;font-weight:700;color:var(--ky-primary-600);font-variant-numeric:tabular-nums;}
.ky-faq-text{flex:1 1 auto;}
.ky-faq-icon{position:relative;flex:0 0 auto;width:16px;height:16px;}
.ky-faq-icon::before,.ky-faq-icon::after{content:"";position:absolute;background:var(--ky-primary);border-radius:2px;transition:transform .24s var(--ky-ease),opacity .24s var(--ky-ease);}
.ky-faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.ky-faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.ky-faq-item.is-open .ky-faq-icon::after{transform:scaleY(0);opacity:0;}
.ky-faq-a{padding:0 20px 20px 47px;font-size:15px;line-height:1.85;color:var(--ky-text-muted);}
.ky-faq-a[hidden]{display:none;}
/* CTA */
.ky-cta{background:var(--ky-primary-soft);border-top:1px solid var(--ky-border);padding:64px 0;}
.ky-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.ky-cta-text h2{margin:0 0 8px;font-size:clamp(20px,2vw,26px);}
.ky-cta-text p{margin:0;color:var(--ky-text-muted);font-size:15px;max-width:620px;}
.ky-cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
/* 页脚 */
.ky-footer{background:var(--ky-ink);color:rgba(247,245,240,.78);padding:72px 0 28px;}
.ky-footer .ky-brand-text{color:#F7F5F0;}
.ky-footer .ky-brand-mark{background:rgba(255,255,255,.08);color:#F7F5F0;}
.ky-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.ky-footer h4{color:#F7F5F0;font-size:14px;letter-spacing:.06em;margin:0 0 16px;}
.ky-footer-about{margin:16px 0 0;font-size:13.5px;line-height:1.85;color:rgba(247,245,240,.6);max-width:320px;}
.ky-footer-links li{margin-bottom:10px;}
.ky-footer-links a{color:rgba(247,245,240,.72);font-size:14px;}
.ky-footer-links a:hover{color:#F7F5F0;text-decoration:underline;}
.ky-footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;line-height:1.7;color:rgba(247,245,240,.72);}
.ky-footer-contact i{color:var(--ky-accent);margin-top:5px;font-size:13px;}
.ky-footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(247,245,240,.55);}
.ky-footer-bottom p{margin:0;}
.ky-footer-badges{display:flex;gap:10px;}
.ky-footer-badges span{display:inline-flex;align-items:center;height:26px;padding:0 12px;border:1px solid rgba(255,255,255,.16);border-radius:var(--ky-r-pill);font-size:12px;color:rgba(247,245,240,.6);}
/* 响应式 */
@media (min-width:1440px){
  :root{--ky-container:1320px;}
}
@media (max-width:1439px) and (min-width:1024px){
  .ky-hero{padding-top:28px;}
}
@media (max-width:1023px){
  .ky-nav{display:none;}
  .ky-burger{display:inline-flex;}
  .ky-header-left{flex:0 0 auto;}
  .ky-header-right .ky-link-quiet{display:none;}
  .ky-hero-grid{grid-template-columns:1fr;gap:32px;}
  .ky-hero-media{aspect-ratio:16/9;}
  .ky-section{padding:72px 0;}
  .ky-steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ky-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .ky-cta{padding:56px 0;}
}
@media (max-width:767px){
  .ky-container{padding:0 20px;}
  .ky-section{padding:60px 0;}
  .ky-header-inner{height:60px;}
  .ky-header.is-scrolled .ky-header-inner{height:56px;}
  .ky-brand-text{font-size:16px;}
  .ky-hero{padding-top:22px;}
  .ky-lead{font-size:15.5px;}
  .ky-hero-actions{gap:14px;}
  .ky-hero-actions .ky-btn{width:100%;}
  .ky-hero-banner{aspect-ratio:16/9;margin-top:32px;}
  .ky-points{margin-top:32px;}
  .ky-steps{grid-template-columns:1fr;}
  .ky-cta-inner{flex-direction:column;align-items:flex-start;}
  .ky-cta-actions{width:100%;}
  .ky-cta-actions .ky-btn{width:100%;}
  .ky-footer{padding:56px 0 24px;}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px;}
  .ky-footer-bottom{flex-direction:column;align-items:flex-start;}
  .ky-faq-a{padding-left:20px;}
}
@media (max-width:479px){
  .ky-brand-text{font-size:15px;}
  .ky-section{padding:52px 0;}
  .ky-search-form{flex-direction:column;}
  .ky-search-form .ky-btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .ky-reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --ky-primary:#10433B;
  --ky-primary-600:#1C6B5C;
  --ky-primary-soft:rgba(16,67,59,.08);
  --ky-primary-line:rgba(16,67,59,.30);
  --ky-accent:#E0663A;
  --ky-bg:#F7F5F0;
  --ky-bg-alt:#EFEDE6;
  --ky-surface:#FFFFFF;
  --ky-ink:#0E1513;
  --ky-text:#141A18;
  --ky-text-muted:#5C6866;
  --ky-text-faint:#8A9391;
  --ky-border:#E3E0D8;
  --ky-danger:#C4453A;
  --ky-radius-card:10px;
  --ky-radius-btn:8px;
  --ky-radius-img:12px;
  --ky-shadow-sm:0 1px 2px rgba(20,26,24,.05);
  --ky-shadow-md:0 12px 32px rgba(16,67,59,.10);
  --ky-ease:cubic-bezier(.22,.61,.36,1);
  --ky-section:clamp(56px,7vw,116px);
  --ky-font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--ky-font);
  font-size:16px;
  line-height:1.8;
  color:var(--ky-text);
  background:var(--ky-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

body.ky-lock{overflow:hidden;}

h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--ky-font);
  font-weight:700;
  color:var(--ky-text);
  line-height:1.3;
  letter-spacing:0;
}

p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}

ul,ol{margin:0;padding:0;list-style:none;}

a{color:var(--ky-primary);text-decoration:none;transition:color .2s var(--ky-ease);}
a:hover{color:var(--ky-primary-600);}
a:focus-visible,button:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px;border-radius:4px;}

img{max-width:100%;display:block;border:0;}

button{font-family:var(--ky-font);font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}

input,select,textarea{font-family:var(--ky-font);font-size:16px;}

.ky-sr{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

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

@media (min-width:1440px){
  .ky-container{max-width:1320px;}
}

/* ============ 通用排版组件 ============ */
.ky-eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  font-weight:600;
  color:var(--ky-primary-600);
  margin:0 0 14px;
}

.ky-h2{
  font-size:clamp(22px,2.2vw,32px);
  line-height:1.3;
  letter-spacing:-.01em;
}

.ky-section{padding:var(--ky-section) 0;}
.ky-section--alt{background:var(--ky-bg-alt);}
.ky-section--ink{background:var(--ky-ink);color:#EDEAE3;padding:calc(var(--ky-section) + 16px) 0;}
.ky-section--ink .ky-h2,.ky-section--ink h3{color:#F5F3EE;}

.ky-section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
  flex-wrap:wrap;
}

.ky-section-head p{
  color:var(--ky-text-muted);
  font-size:15px;
  max-width:620px;
  margin:12px 0 0;
}

.ky-section--ink .ky-section-head p{color:rgba(237,234,227,.72);}

.ky-divider{height:1px;background:var(--ky-border);border:0;margin:0;}

/* ============ 按钮 ============ */
.ky-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--ky-radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:background-color .22s var(--ky-ease),color .22s var(--ky-ease),border-color .22s var(--ky-ease),transform .22s var(--ky-ease),box-shadow .22s var(--ky-ease);
}

.ky-btn i{transition:transform .22s var(--ky-ease);}
.ky-btn:hover i{transform:translateX(3px);}

.ky-btn-primary{
  background:var(--ky-primary);
  color:#F7F5F0;
  box-shadow:none;
}
.ky-btn-primary:hover{
  background:var(--ky-accent);
  color:#FFFFFF;
  transform:translateY(-1px);
}
.ky-btn-primary:active{
  background:#0B322C;
  transform:translateY(0);
}

.ky-btn-second{
  background:transparent;
  color:var(--ky-primary);
  border:1px solid var(--ky-primary-line);
}
.ky-btn-second:hover{
  border-color:var(--ky-primary);
  background:var(--ky-primary-soft);
  color:var(--ky-primary);
  transform:translateY(-1px);
}

.ky-btn-ghost{
  background:transparent;
  color:#F5F3EE;
  border:1px solid rgba(255,255,255,.28);
}
.ky-btn-ghost:hover{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.5);
  color:#FFFFFF;
  transform:translateY(-1px);
}

.ky-btn-sm{height:40px;padding:0 20px;font-size:14px;}

.ky-text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--ky-primary);
  white-space:nowrap;
}
.ky-text-link:hover{color:var(--ky-accent);}
.ky-text-link:hover i{transform:translateX(3px);}
.ky-text-link i{transition:transform .22s var(--ky-ease);}

/* ============ 徽章 / 标签 ============ */
.ky-badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.12em;
  font-weight:600;
  background:var(--ky-primary-soft);
  color:var(--ky-primary);
  white-space:nowrap;
}

.ky-badge--accent{
  background:rgba(224,102,58,.12);
  color:#B24A24;
}

/* ============ 头部导航 ============ */
.ky-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ky-bg);
  border-bottom:1px solid var(--ky-border);
  transition:box-shadow .24s var(--ky-ease);
}

.ky-header.is-scrolled{box-shadow:0 8px 24px rgba(16,67,59,.07);}

.ky-header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:68px;
  transition:min-height .24s var(--ky-ease);
}

.ky-header.is-scrolled .ky-header-inner{min-height:60px;}

.ky-header-left{
  display:flex;
  align-items:center;
  gap:36px;
  flex:1 1 auto;
  min-width:0;
}

.ky-header-right{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}

.ky-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ky-text);
  flex:0 0 auto;
}
.ky-brand:hover{color:var(--ky-primary);}

.ky-brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:9px;
  background:var(--ky-primary-soft);
  color:var(--ky-primary);
  flex:0 0 auto;
}

.ky-brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}

.ky-nav{min-width:0;}

.ky-nav-list{
  display:flex;
  align-items:center;
  gap:26px;
}

.ky-nav-link{
  position:relative;
  display:inline-block;
  padding:22px 0;
  font-size:15px;
  font-weight:500;
  color:var(--ky-text-muted);
  white-space:nowrap;
}

.ky-nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:16px;
  width:0;
  height:2px;
  background:var(--ky-primary);
  transition:width .2s var(--ky-ease);
}

.ky-nav-link:hover{color:var(--ky-primary);}
.ky-nav-link:hover::after{width:100%;}

.ky-nav-link.is-active{color:var(--ky-text);font-weight:600;}
.ky-nav-link.is-active::after{width:100%;}

.ky-nav-link.is-active::before{
  content:"";
  position:absolute;
  right:-10px;
  top:24px;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--ky-accent);
}

.ky-icon-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  border-radius:var(--ky-radius-btn);
  border:1px solid var(--ky-border);
  background:var(--ky-surface);
  color:var(--ky-text-muted);
  font-size:14px;
  transition:border-color .22s var(--ky-ease),color .22s var(--ky-ease);
}
.ky-icon-btn:hover{border-color:var(--ky-primary-line);color:var(--ky-primary);}

.ky-ghost-link{
  font-size:14px;
  color:var(--ky-text-muted);
  padding:0 4px;
}
.ky-ghost-link:hover{color:var(--ky-primary);text-decoration:underline;text-underline-offset:4px;}

.ky-burger{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--ky-radius-btn);
  border:1px solid var(--ky-border);
  background:var(--ky-surface);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.ky-burger span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ky-primary);
  transition:transform .24s var(--ky-ease),opacity .24s var(--ky-ease);
}

.ky-search-panel{
  position:absolute;
  left:0;
  right:0;
  top:100%;
  background:var(--ky-surface);
  border-bottom:1px solid var(--ky-border);
  box-shadow:0 18px 40px rgba(16,67,59,.10);
  max-height:0;
  overflow:hidden;
  opacity:0;
  visibility:hidden;
  transition:max-height .3s var(--ky-ease),opacity .3s var(--ky-ease),visibility .3s var(--ky-ease);
}
.ky-search-panel.is-open{max-height:160px;opacity:1;visibility:visible;}

.ky-search-form{
  display:flex;
  align-items:center;
  gap:12px;
  padding:20px 0;
}

.ky-search-form input[type="search"]{
  flex:1 1 auto;
  height:48px;
  padding:0 16px;
  border-radius:var(--ky-radius-btn);
  border:1px solid var(--ky-border);
  background:var(--ky-bg);
  color:var(--ky-text);
  outline:none;
  transition:border-color .2s var(--ky-ease),background-color .2s var(--ky-ease);
}
.ky-search-form input[type="search"]::placeholder{color:var(--ky-text-faint);}
.ky-search-form input[type="search"]:focus{
  border-color:var(--ky-primary);
  background:var(--ky-surface);
  outline:2px solid var(--ky-primary-soft);
}

/* ============ 移动端抽屉 ============ */
.ky-overlay{
  position:fixed;
  inset:0;
  background:rgba(14,21,19,.48);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s var(--ky-ease),visibility .28s var(--ky-ease);
  z-index:90;
}
.ky-overlay.is-open{opacity:1;visibility:visible;}

.ky-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:82vw;
  max-width:360px;
  background:var(--ky-surface);
  z-index:95;
  transform:translateX(102%);
  transition:transform .3s var(--ky-ease);
  display:flex;
  flex-direction:column;
  overflow-y:auto;
}
.ky-drawer.is-open{transform:translateX(0);}

.ky-drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 20px;
  border-bottom:1px solid var(--ky-border);
}

.ky-drawer-close{
  width:36px;
  height:36px;
  border-radius:8px;
  border:1px solid var(--ky-border);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--ky-text-muted);
}

.ky-drawer-nav{padding:8px 0;}

.ky-drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:52px;
  padding:0 20px;
  font-size:15px;
  color:var(--ky-text);
  border-bottom:1px solid var(--ky-border);
}
.ky-drawer-nav a i{color:var(--ky-text-faint);font-size:12px;}
.ky-drawer-nav a.is-active{color:var(--ky-primary);font-weight:600;}
.ky-drawer-nav a:hover{background:#FAF9F5;color:var(--ky-primary);}

.ky-drawer-foot{padding:20px;margin-top:auto;border-top:1px solid var(--ky-border);}
.ky-drawer-foot .ky-btn{width:100%;}
.ky-drawer-note{
  margin-top:14px;
  font-size:13px;
  color:var(--ky-text-muted);
  line-height:1.7;
}

/* ============ 面包屑 ============ */
.ky-crumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--ky-text-faint);
}
.ky-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.ky-crumb li{display:inline-flex;align-items:center;gap:8px;}
.ky-crumb li::after{content:"›";color:var(--ky-text-faint);}
.ky-crumb li:last-child::after{display:none;}
.ky-crumb a{color:var(--ky-text-muted);}
.ky-crumb a:hover{color:var(--ky-primary);text-decoration:underline;text-underline-offset:3px;}
.ky-crumb [aria-current="page"]{color:var(--ky-primary);font-weight:600;}

/* ============ 首屏 ============ */
.ky-hero{
  padding:36px 0 clamp(52px,6vw,84px);
  background:
    linear-gradient(180deg,rgba(239,237,230,.9) 0%,rgba(247,245,240,0) 62%),
    var(--ky-bg);
}

.ky-hero-copy{padding-top:10px;padding-bottom:10px;}

.ky-hero h1{
  font-size:clamp(28px,3.2vw,44px);
  line-height:1.2;
  letter-spacing:-.02em;
  margin-bottom:20px;
}

.ky-hero-lead{
  font-size:16px;
  line-height:1.85;
  color:var(--ky-text-muted);
  max-width:620px;
  margin-bottom:28px;
}

.ky-hero-actions{
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:26px;
}

.ky-hero-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--ky-text-faint);
}
.ky-hero-tags li{
  display:inline-flex;
  align-items:center;
  gap:14px;
}
.ky-hero-tags li::after{
  content:"";
  width:1px;
  height:12px;
  background:var(--ky-border);
}
.ky-hero-tags li:last-child::after{display:none;}

.ky-hero-media{
  position:relative;
  padding-top:10px;
  padding-bottom:10px;
}

.ky-hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--ky-radius-img);
}

.ky-hero-float{
  position:absolute;
  right:26px;
  bottom:26px;
  width:172px;
  padding:14px 16px;
  background:var(--ky-surface);
  border:1px solid var(--ky-primary-line);
  border-radius:var(--ky-radius-card);
  box-shadow:var(--ky-shadow-sm);
}
.ky-hero-float-num{
  display:block;
  font-size:24px;
  font-weight:800;
  color:var(--ky-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1.2;
}
.ky-hero-float-label{
  display:block;
  font-size:12.5px;
  color:var(--ky-text-muted);
  line-height:1.6;
  margin-top:4px;
}

/* ============ 速览数据带 ============ */
.ky-facts{padding:26px 0 0;}
.ky-facts-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--ky-surface);
  border:1px solid var(--ky-border);
  border-radius:var(--ky-radius-card);
  overflow:hidden;
}
.ky-fact{
  padding:24px 22px;
  border-right:1px solid var(--ky-border);
}
.ky-fact:last-child{border-right:0;}
.ky-fact-num{
  display:block;
  font-size:clamp(24px,2.4vw,32px);
  font-weight:800;
  color:var(--ky-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1.15;
}
.ky-fact:nth-child(even) .ky-fact-num{color:var(--ky-accent);}
.ky-fact-name{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-top:6px;
}
.ky-fact-note{
  display:block;
  font-size:13px;
  color:var(--ky-text-muted);
  line-height:1.65;
  margin-top:4px;
}

/* ============ ZigZag ============ */
.ky-zz{
  align-items:center;
  margin-bottom:72px;
}
.ky-zz:last-child{margin-bottom:0;}

.ky-zz-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--ky-radius-img);
}

.ky-zz-media{position:relative;}

.ky-zz-index{
  position:absolute;
  left:34px;
  top:22px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:#FFFFFF;
  background:rgba(14,21,19,.55);
  padding:4px 12px;
  border-radius:999px;
}

.ky-zz-text h3{
  font-size:clamp(20px,2vw,26px);
  line-height:1.35;
  margin:14px 0 14px;
}

.ky-zz-text p{
  color:var(--ky-text-muted);
  font-size:15.5px;
  line-height:1.85;
  margin-bottom:20px;
}

.ky-zz-list{margin-bottom:22px;}
.ky-zz-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  line-height:1.8;
  color:var(--ky-text);
  margin-bottom:10px;
}
.ky-zz-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:8px;
  height:2px;
  border-radius:2px;
  background:var(--ky-primary);
}

@media (min-width:768px){
  .ky-zz.is-reverse{flex-direction:row-reverse;}
}

@media (max-width:767px){
  .ky-zz{margin-bottom:52px;flex-direction:column;}
  .ky-zz-media{margin-bottom:20px;}
  .ky-zz-index{left:26px;}
}

/* ============ 流程步骤 ============ */
.ky-flow-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:20px;
}
.ky-step{
  background:var(--ky-surface);
  border:1px solid var(--ky-border);
  border-top:2px solid var(--ky-primary);
  border-radius:var(--ky-radius-card);
  padding:24px 22px 26px;
  transition:transform .24s var(--ky-ease),box-shadow .24s var(--ky-ease),border-color .24s var(--ky-ease);
}
.ky-step:hover{
  transform:translateY(-2px);
  box-shadow:var(--ky-shadow-md);
  border-color:var(--ky-border);
  border-top-color:var(--ky-accent);
}
.ky-step-num{
  display:block;
  font-size:14px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--ky-accent);
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.ky-step h3{font-size:17px;margin-bottom:10px;}
.ky-step p{font-size:14px;line-height:1.8;color:var(--ky-text-muted);margin:0;}

/* ============ 场景卡片 ============ */
.ky-card-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.ky-card{
  display:block;
  background:var(--ky-surface);
  border:1px solid var(--ky-border);
  border-radius:var(--ky-radius-card);
  padding:24px 22px;
  box-shadow:var(--ky-shadow-sm);
  color:inherit;
  transition:transform .24s var(--ky-ease),box-shadow .24s var(--ky-ease),border-color .24s var(--ky-ease);
}
.ky-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--ky-shadow-md);
  border-color:var(--ky-primary-line);
  color:inherit;
}
.ky-card-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:10px;
  background:var(--ky-primary-soft);
  color:var(--ky-primary);
  margin-bottom:16px;
  font-size:16px;
}
.ky-card h3{font-size:17px;margin-bottom:10px;}
.ky-card p{font-size:14px;line-height:1.8;color:var(--ky-text-muted);margin:0;}

/* ============ FAQ ============ */
.ky-faq-wrap{max-width:880px;margin:0 auto;}
.ky-faq-item{
  background:var(--ky-surface);
  border:1px solid var(--ky-border);
  border-radius:var(--ky-radius-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .24s var(--ky-ease),box-shadow .24s var(--ky-ease);
}
.ky-faq-item.is-open{
  border-color:var(--ky-primary-line);
  box-shadow:var(--ky-shadow-sm);
}
.ky-faq-q{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  min-height:56px;
  padding:14px 20px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ky-text);
}
.ky-faq-q:hover{color:var(--ky-primary);}
.ky-faq-num{
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--ky-accent);
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.ky-faq-text{flex:1 1 auto;line-height:1.6;}
.ky-faq-icon{
  position:relative;
  width:16px;
  height:16px;
  flex:0 0 auto;
}
.ky-faq-icon::before,
.ky-faq-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--ky-primary);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .28s var(--ky-ease),opacity .28s var(--ky-ease);
}
.ky-faq-icon::before{width:14px;height:2px;}
.ky-faq-icon::after{width:2px;height:14px;}
.ky-faq-item.is-open .ky-faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.ky-faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ky-ease);
}
.ky-faq-a p{
  padding:0 20px 20px 52px;
  font-size:15px;
  line-height:1.85;
  color:var(--ky-text-muted);
  margin:0;
}

/* ============ CTA ============ */
.ky-cta{
  position:relative;
  background-color:var(--ky-ink);
  background-image:linear-gradient(180deg,rgba(14,21,19,.94) 0%,rgba(16,67,59,.92) 100%);
  color:#EFEDE6;
  overflow:hidden;
}
.ky-cta::after{
  content:"接";
  position:absolute;
  right:3%;
  bottom:-10%;
  font-size:clamp(140px,20vw,260px);
  font-weight:800;
  color:rgba(255,255,255,.045);
  line-height:1;
  pointer-events:none;
}
.ky-cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:48px;
  align-items:center;
}
.ky-cta h2{
  color:#FFFFFF;
  font-size:clamp(22px,2.4vw,32px);
  line-height:1.32;
  margin-bottom:16px;
}
.ky-cta p{
  color:rgba(239,237,230,.76);
  font-size:15.5px;
  line-height:1.85;
  max-width:620px;
  margin:0;
}
.ky-cta-actions{
  display:flex;
  flex-direction:column;
  gap:14px;
  align-items:flex-start;
}
.ky-cta-actions .ky-btn{width:100%;justify-content:center;}
.ky-cta-note{
  font-size:13px;
  color:rgba(239,237,230,.6);
  line-height:1.7;
}

/* ============ 页脚 ============ */
.ky-footer{
  background:var(--ky-ink);
  color:rgba(239,237,230,.72);
  padding:72px 0 28px;
  font-size:14px;
}
.ky-footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.ky-footer .ky-brand{color:#F5F3EE;margin-bottom:16px;}
.ky-footer .ky-brand-mark{background:rgba(255,255,255,.08);color:#8FD3C1;}
.ky-footer .ky-brand:hover{color:#FFFFFF;}
.ky-footer-about{
  font-size:13.5px;
  line-height:1.8;
  color:rgba(239,237,230,.62);
  margin:0;
  max-width:320px;
}
.ky-footer h4{
  font-size:14px;
  color:#F5F3EE;
  font-weight:600;
  margin:0 0 16px;
  letter-spacing:.02em;
}
.ky-footer-links li{margin-bottom:10px;}
.ky-footer-links a{
  color:rgba(239,237,230,.68);
  font-size:13.5px;
  transition:color .2s var(--ky-ease);
}
.ky-footer-links a:hover{color:#FFFFFF;text-decoration:underline;text-underline-offset:4px;}
.ky-footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin-bottom:12px;
  font-size:13.5px;
  color:rgba(239,237,230,.68);
  line-height:1.7;
}
.ky-footer-contact i{color:#8FD3C1;margin-top:5px;font-size:13px;}
.ky-footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:24px;
  flex-wrap:wrap;
}
.ky-footer-bottom p{
  margin:0;
  font-size:13px;
  color:rgba(239,237,230,.5);
  font-variant-numeric:tabular-nums;
}
.ky-footer-badges{display:flex;gap:10px;flex-wrap:wrap;}
.ky-footer-badges span{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  font-size:12px;
  color:rgba(239,237,230,.55);
}

/* ============ 进入动画 ============ */
.ky-reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .55s var(--ky-ease),transform .55s var(--ky-ease);
}
.ky-reveal.is-in{opacity:1;transform:none;}
.ky-reveal.d1{transition-delay:.06s;}
.ky-reveal.d2{transition-delay:.12s;}
.ky-reveal.d3{transition-delay:.18s;}
.ky-reveal.d4{transition-delay:.24s;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .ky-reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .ky-nav{display:none;}
  .ky-burger{display:inline-flex;}
  .ky-ghost-link{display:none;}
  .ky-icon-btn .ky-icon-btn-text{display:none;}
  .ky-icon-btn{width:42px;padding:0;justify-content:center;}
  .ky-facts-grid{grid-template-columns:repeat(2,1fr);}
  .ky-fact{border-bottom:1px solid var(--ky-border);}
  .ky-fact:nth-child(2n){border-right:0;}
  .ky-fact:nth-child(n+3){border-bottom:0;}
  .ky-flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ky-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ky-cta-inner{grid-template-columns:1fr;gap:32px;}
  .ky-cta-actions{flex-direction:row;flex-wrap:wrap;align-items:center;}
  .ky-cta-actions .ky-btn{width:auto;}
  .ky-footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}

@media (max-width:767px){
  .ky-container{padding-left:20px;padding-right:20px;}
  body{font-size:15.5px;}
  .ky-hero{padding-top:20px;}
  .ky-hero-media img{aspect-ratio:16/9;}
  .ky-hero-float{right:26px;bottom:34px;width:150px;padding:12px 14px;}
  .ky-section-head{margin-bottom:32px;}
  .ky-faq-a p{padding-left:20px;}
  .ky-footer{padding-top:56px;}
}

@media (max-width:520px){
  .ky-facts-grid{grid-template-columns:1fr;}
  .ky-fact{border-right:0;border-bottom:1px solid var(--ky-border);}
  .ky-fact:last-child{border-bottom:0;}
  .ky-flow-grid{grid-template-columns:1fr;}
  .ky-card-grid{grid-template-columns:1fr;}
  .ky-footer-grid{grid-template-columns:1fr;}
  .ky-hero-actions{gap:14px;}
  .ky-hero-actions .ky-btn{width:100%;}
  .ky-cta-actions{flex-direction:column;align-items:stretch;}
  .ky-cta-actions .ky-btn{width:100%;}
  .ky-footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
/* ========== 1. 设计变量 ========== */
:root{
  --ky-primary:#10433B;
  --ky-primary-600:#1C6B5C;
  --ky-primary-soft:rgba(16,67,59,.08);
  --ky-primary-line:rgba(16,67,59,.28);
  --ky-accent:#E0663A;
  --ky-ink:#0E1513;
  --ky-bg:#F7F5F0;
  --ky-bg-alt:#EFEDE6;
  --ky-surface:#FFFFFF;
  --ky-text:#141A18;
  --ky-text-muted:#5C6866;
  --ky-text-faint:#8A9391;
  --ky-border:#E3E0D8;
  --ky-danger:#C4453A;
  --ky-radius:10px;
  --ky-radius-sm:8px;
  --ky-radius-lg:12px;
  --ky-shadow:0 1px 2px rgba(20,26,24,.05);
  --ky-shadow-hover:0 12px 32px rgba(16,67,59,.10);
  --ky-ease:cubic-bezier(.22,.61,.36,1);
  --ky-header-h:68px;
  --ky-sec-y:104px;
  --ky-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
/* ========== 2. Reset / Base ========== */
*,*::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:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--ky-primary);text-decoration:none;transition:color .22s var(--ky-ease),border-color .22s var(--ky-ease)}
a:hover{color:var(--ky-primary-600)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--ky-primary);outline-offset:2px}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
::selection{background:rgba(16,67,59,.16)}
.ky-no-scroll{overflow:hidden}
.ky-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* ========== 3. 容器与栅格 ========== */
.ky-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grid-x.ky-grid{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid-x.ky-grid>.cell{padding-left:12px;padding-right:12px}
.ky-stack-lg{display:grid;gap:40px}
/* ========== 4. 头部导航 ========== */
.ky-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--ky-border);
  transition:height .24s var(--ky-ease),background .24s var(--ky-ease),box-shadow .24s var(--ky-ease);
}
.ky-header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:var(--ky-header-h);
  transition:height .24s var(--ky-ease);
}
.ky-header.is-scrolled{box-shadow:0 8px 24px rgba(16,67,59,.06)}
.ky-header.is-scrolled .ky-header-inner{height:60px}
.ky-header-left{flex:0 0 auto;display:flex;align-items:center;gap:28px;min-width:0}
.ky-brand{display:inline-flex;align-items:center;gap:10px;color:var(--ky-text);flex:0 0 auto}
.ky-brand:hover{color:var(--ky-primary)}
.ky-brand-mark{display:inline-flex;color:var(--ky-primary)}
.ky-brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.ky-nav-list{display:flex;align-items:center;gap:20px}
.ky-nav-link{
  position:relative;display:inline-flex;align-items:center;
  font-size:14.5px;font-weight:500;color:var(--ky-text-muted);
  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 .2s var(--ky-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%}
.ky-nav-link.is-active::before{
  content:"";position:absolute;right:-9px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:999px;background:var(--ky-accent);
}
.ky-header-right{flex:0 0 auto;display:flex;align-items:center;gap:14px}
.ky-quiet-link{font-size:14px;color:var(--ky-text-muted)}
.ky-quiet-link:hover{color:var(--ky-primary);text-decoration:underline}
.ky-search-btn{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ky-text-muted);
  border:1px solid var(--ky-border);border-radius:999px;padding:6px 14px;background:var(--ky-surface);
  transition:border-color .22s var(--ky-ease),color .22s var(--ky-ease);
}
.ky-search-btn:hover{border-color:var(--ky-primary-line);color:var(--ky-primary)}
.ky-search-panel{
  display:none;border-top:1px solid var(--ky-border);background:var(--ky-surface);
}
.ky-search-panel.is-open{display:block;animation:kySlideDown .24s var(--ky-ease)}
@keyframes kySlideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.ky-search-form{display:flex;gap:10px;padding:16px 0}
.ky-search-form input{
  flex:1 1 auto;height:46px;border:1px solid var(--ky-border);border-radius:var(--ky-radius-sm);
  padding:0 16px;background:var(--ky-bg);
}
.ky-search-form input:focus{border-color:var(--ky-primary);outline:2px solid var(--ky-primary);outline-offset:0}
.ky-burger{
  display:none;width:40px;height:40px;border:1px solid var(--ky-border);border-radius:var(--ky-radius-sm);
  align-items:center;justify-content:center;color:var(--ky-primary);background:var(--ky-surface);
}
/* ========== 5. 按钮 ========== */
.ky-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--ky-radius-sm);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;
  transition:background .22s var(--ky-ease),color .22s var(--ky-ease),border-color .22s var(--ky-ease),transform .22s var(--ky-ease),box-shadow .22s var(--ky-ease);
}
.ky-btn i{transition:transform .22s var(--ky-ease)}
.ky-btn-primary{background:var(--ky-primary);color:#F7F5F0}
.ky-btn-primary:hover{background:var(--ky-accent);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(224,102,58,.24)}
.ky-btn-primary:hover i{transform:translateX(3px)}
.ky-btn-primary:active{background:#0B322C;transform:translateY(0)}
.ky-btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#F7F5F0}
.ky-btn-ghost:hover{border-color:#F7F5F0;color:#fff;transform:translateY(-1px)}
.ky-btn-outline{background:transparent;border-color:var(--ky-primary-line);color:var(--ky-primary)}
.ky-btn-outline:hover{border-color:var(--ky-primary);background:var(--ky-primary-soft);transform:translateY(-1px)}
.ky-btn-sm{height:40px;padding:0 20px;font-size:14px}
.ky-arrow-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ky-primary);
}
.ky-arrow-link i{transition:transform .22s var(--ky-ease)}
.ky-arrow-link:hover i{transform:translateX(4px)}
/* ========== 6. 移动抽屉 ========== */
.ky-mask{
  position:fixed;inset:0;background:rgba(14,21,19,.48);opacity:0;visibility:hidden;
  transition:opacity .26s var(--ky-ease),visibility .26s var(--ky-ease);z-index:80;
}
.ky-mask.is-open{opacity:1;visibility:visible}
.ky-drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--ky-surface);
  z-index:90;transform:translateX(100%);transition:transform .3s var(--ky-ease);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.ky-drawer.is-open{transform:translateX(0)}
.ky-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--ky-border)}
.ky-drawer-close{width:36px;height:36px;border:1px solid var(--ky-border);border-radius:var(--ky-radius-sm);display:inline-flex;align-items:center;justify-content:center;color:var(--ky-primary)}
.ky-drawer-list{margin-top:12px}
.ky-drawer-list li{border-bottom:1px solid var(--ky-border)}
.ky-drawer-list a{display:flex;align-items:center;justify-content:space-between;height:52px;font-size:15px;color:var(--ky-text);font-weight:500}
.ky-drawer-list a.is-active{color:var(--ky-primary);font-weight:700}
.ky-drawer-foot{margin-top:auto;padding-top:20px;display:grid;gap:12px}
.ky-drawer-foot .ky-btn{width:100%}
.ky-drawer-contact{font-size:13.5px;color:var(--ky-text-muted);display:grid;gap:6px}
/* ========== 7. 面包屑 ========== */
.ky-crumbs{padding:22px 0 0;font-size:13px;color:var(--ky-text-faint)}
.ky-crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.ky-crumbs li::after{content:"/";margin-left:8px;color:var(--ky-text-faint)}
.ky-crumbs li:last-child::after{content:"";margin:0}
.ky-crumbs a{color:var(--ky-text-muted)}
.ky-crumbs a:hover{color:var(--ky-primary);text-decoration:underline}
.ky-crumbs .is-current{color:var(--ky-primary)}
/* ========== 8. 首屏 ========== */
.ky-hero{padding:36px 0 8px;position:relative}
.ky-hero::before{
  content:"";position:absolute;top:26px;right:24px;width:64px;height:64px;
  border-top:1px solid var(--ky-primary-line);border-right:1px solid var(--ky-primary-line);opacity:.7;pointer-events:none;
}
.ky-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;
  color:var(--ky-primary-600);text-transform:uppercase;font-weight:600;
}
.ky-eyebrow::before{content:"";width:22px;height:2px;background:var(--ky-accent);display:inline-block}
.ky-h1{
  margin-top:14px;font-size:clamp(28px,3.2vw,44px);line-height:1.2;font-weight:800;
  letter-spacing:-.02em;color:var(--ky-ink);
}
.ky-h1 .ky-nowrap{white-space:nowrap}
.ky-hero-lead{margin-top:18px;font-size:16px;color:var(--ky-text-muted);max-width:56ch}
.ky-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.ky-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--ky-primary-soft);color:var(--ky-primary-600);font-size:12.5px;letter-spacing:.02em;
}
.ky-tag-accent{background:rgba(224,102,58,.12);color:#B44E28}
.ky-hero-figure{margin-top:8px}
.ky-frame{position:relative;border-radius:var(--ky-radius-lg);overflow:hidden;background:var(--ky-bg-alt)}
.ky-frame-4x3{aspect-ratio:4/3}
.ky-frame-16x9{aspect-ratio:16/9}
.ky-frame img{width:100%;height:100%;object-fit:cover}
.ky-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,21,19,0) 55%,rgba(14,21,19,.45) 100%)}
.ky-float-card{
  position:absolute;right:16px;bottom:16px;z-index:2;background:rgba(247,245,240,.96);
  border:1px solid rgba(16,67,59,.15);border-radius:var(--ky-radius);padding:12px 16px;min-width:150px;
}
.ky-float-card strong{display:block;font-size:22px;color:var(--ky-primary);font-variant-numeric:tabular-nums;line-height:1.2}
.ky-float-card span{font-size:12.5px;color:var(--ky-text-muted)}
/* ========== 9. 板块通用 ========== */
.ky-section{padding:var(--ky-sec-y) 0}
.ky-section-alt{background:var(--ky-bg-alt)}
.ky-section-ink{background:var(--ky-ink);color:#EDEAE2;padding:calc(var(--ky-sec-y) + 16px) 0}
.ky-section-head{max-width:720px;margin-bottom:44px}
.ky-h2{font-size:clamp(22px,2.2vw,32px);line-height:1.3;font-weight:700;color:var(--ky-ink);margin-top:12px;letter-spacing:-.01em}
.ky-section-ink .ky-h2{color:#F7F5F0}
.ky-h2::after{content:"";display:block;width:44px;height:3px;background:var(--ky-primary);margin-top:16px;border-radius:2px}
.ky-section-ink .ky-h2::after{background:var(--ky-accent)}
.ky-section-desc{margin-top:16px;color:var(--ky-text-muted);font-size:15.5px}
.ky-section-ink .ky-section-desc{color:rgba(237,234,226,.72)}
.ky-h3{font-size:19px;line-height:1.4;font-weight:700;color:var(--ky-ink)}
/* ========== 10. 时间轴 ========== */
.ky-tl-wrap{position:relative}
.ky-timeline{position:relative;padding-left:28px}
.ky-timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--ky-primary);opacity:.85;border-radius:2px;
}
.ky-tl-item{position:relative;padding:0 0 34px 12px}
.ky-tl-item:last-child{padding-bottom:0}
.ky-tl-dot{
  position:absolute;left:-28px;top:6px;width:16px;height:16px;border-radius:999px;
  background:var(--ky-primary);box-shadow:0 0 0 4px rgba(16,67,59,.14);
}
.ky-tl-num{
  display:inline-block;font-family:var(--ky-mono);font-size:20px;font-weight:700;color:var(--ky-accent);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1;
}
.ky-tl-card{
  margin-top:10px;background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-radius);
  padding:22px 24px;box-shadow:var(--ky-shadow);transition:transform .22s var(--ky-ease),box-shadow .22s var(--ky-ease),border-color .22s var(--ky-ease);
}
.ky-tl-card:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-hover);border-color:var(--ky-primary-line)}
.ky-tl-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:6px}
.ky-tl-card p{margin-top:10px;color:var(--ky-text-muted);font-size:15px}
.ky-tl-figure{margin-top:16px;border-radius:var(--ky-radius);overflow:hidden;max-width:420px}
.ky-tl-figure img{width:100%;height:auto;border-radius:var(--ky-radius)}
.ky-tl-figure figcaption{font-size:12.5px;color:var(--ky-text-faint);margin-top:8px}
/* 快速入口 sticky 卡 */
.ky-side-card{
  position:sticky;top:96px;background:var(--ky-surface);border:1px solid var(--ky-border);
  border-radius:var(--ky-radius);padding:24px;box-shadow:var(--ky-shadow);
}
.ky-side-card h3{font-size:17px;font-weight:700;color:var(--ky-ink)}
.ky-side-card .ky-side-sub{font-size:13.5px;color:var(--ky-text-faint);margin-top:6px}
.ky-side-list{margin-top:18px;border-top:1px solid var(--ky-border)}
.ky-side-list a{
  display:flex;align-items:center;justify-content:space-between;height:52px;
  border-bottom:1px solid var(--ky-border);font-size:14.5px;color:var(--ky-text);font-weight:500;
}
.ky-side-list a:hover{color:var(--ky-primary);background:rgba(16,67,59,.03)}
.ky-side-list i{color:var(--ky-text-faint);font-size:12px}
.ky-side-list a:hover i{color:var(--ky-accent)}
.ky-side-card .ky-btn{width:100%;margin-top:20px}
.ky-side-note{margin-top:14px;font-size:12.5px;color:var(--ky-text-faint);line-height:1.7}
/* ========== 11. 卡片网格 ========== */
.ky-card{
  background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-radius);
  padding:24px;height:100%;box-shadow:var(--ky-shadow);
  transition:transform .22s var(--ky-ease),box-shadow .22s var(--ky-ease),border-color .22s var(--ky-ease);
}
.ky-card:hover{transform:translateY(-2px);box-shadow:var(--ky-shadow-hover);border-color:var(--ky-primary-line)}
.ky-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.ky-card-no{font-family:var(--ky-mono);font-size:13px;color:var(--ky-accent);font-weight:700;letter-spacing:.08em}
.ky-card h3{font-size:18px;font-weight:700;color:var(--ky-ink)}
.ky-card p{margin-top:10px;font-size:14.5px;color:var(--ky-text-muted)}
.ky-card-foot{margin-top:16px}
.ky-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--ky-primary-soft);color:var(--ky-primary-600);font-size:12px;letter-spacing:.12em;font-weight:600;
}
.ky-badge-accent{background:rgba(224,102,58,.12);color:#B44E28}
.ky-quote{padding-left:16px;border-left:4px solid var(--ky-primary);font-size:14.5px;color:var(--ky-text-muted)}
/* ========== 12. 深色准备区 ========== */
.ky-ink-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:8px;border-top:1px solid rgba(255,255,255,.10)}
.ky-ink-item{padding:30px 26px;border-right:1px solid rgba(255,255,255,.10)}
.ky-ink-item:last-child{border-right:0}
.ky-ink-item strong{display:block;font-size:clamp(26px,2.6vw,38px);font-weight:800;color:#F7F5F0;font-variant-numeric:tabular-nums;line-height:1.1}
.ky-ink-item.is-accent strong{color:var(--ky-accent)}
.ky-ink-item span{display:block;margin-top:10px;font-size:14px;color:rgba(237,234,226,.72)}
.ky-ink-list{margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ky-ink-list li{
  border:1px solid rgba(255,255,255,.08);border-radius:var(--ky-radius);padding:20px 22px;background:rgba(255,255,255,.02);
}
.ky-ink-list h3{font-size:16.5px;color:#F7F5F0;font-weight:700}
.ky-ink-list p{margin-top:8px;font-size:14px;color:rgba(237,234,226,.68)}
/* ========== 13. FAQ ========== */
.ky-faq{max-width:880px;margin:0 auto}
.ky-faq-item{
  background:var(--ky-surface);border:1px solid var(--ky-border);border-radius:var(--ky-radius);
  margin-bottom:14px;overflow:hidden;transition:border-color .22s var(--ky-ease)
}
.ky-faq-item.is-open{border-color:var(--ky-primary-line)}
.ky-faq-q{
  display:flex;align-items:center;gap:14px;width:100%;text-align:left;min-height:56px;padding:16px 22px;
  font-size:16px;font-weight:600;color:var(--ky-ink);line-height:1.6;
}
.ky-faq-q .ky-q-no{font-family:var(--ky-mono);font-size:13px;color:var(--ky-accent);font-weight:700;flex:0 0 auto}
.ky-faq-q .ky-faq-icon{
  margin-left:auto;flex:0 0 auto;width:20px;height:20px;position:relative;
}
.ky-faq-q .ky-faq-icon::before,.ky-faq-q .ky-faq-icon::after{
  content:"";position:absolute;background:var(--ky-primary);border-radius:2px;transition:transform .26s var(--ky-ease),opacity .26s var(--ky-ease)
}
.ky-faq-q .ky-faq-icon::before{left:0;top:9px;width:20px;height:2px}
.ky-faq-q .ky-faq-icon::after{left:9px;top:0;width:2px;height:20px}
.ky-faq-item.is-open .ky-faq-icon::after{transform:scaleY(0);opacity:0}
.ky-faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ky-ease)}
.ky-faq-a p{padding:0 22px 20px 58px;font-size:14.8px;color:var(--ky-text-muted);line-height:1.85}
/* ========== 14. CTA ========== */
.ky-cta{background:var(--ky-bg-alt);border-top:1px solid var(--ky-border);border-bottom:1px solid var(--ky-border)}
.ky-cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:52px 0}
.ky-cta-inner h2{font-size:clamp(20px,2vw,26px);font-weight:700;color:var(--ky-ink);line-height:1.35}
.ky-cta-inner p{margin-top:10px;color:var(--ky-text-muted);font-size:15px;max-width:60ch}
.ky-cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
/* ========== 15. 页脚 ========== */
.ky-footer{background:var(--ky-ink);color:rgba(237,234,226,.78);padding:70px 0 28px;font-size:14px}
.ky-footer .ky-brand{color:#F7F5F0}
.ky-footer .ky-brand-mark{color:#F7F5F0}
.ky-footer .ky-brand-text{color:#F7F5F0}
.ky-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.ky-footer h4{font-size:13px;letter-spacing:.12em;color:rgba(237,234,226,.55);font-weight:600;margin-bottom:16px}
.ky-footer-about{margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(237,234,226,.62);max-width:32ch}
.ky-footer-links li{margin-bottom:10px}
.ky-footer-links a{color:rgba(237,234,226,.78);font-size:14px}
.ky-footer-links a:hover{color:#fff;text-decoration:underline}
.ky-footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:13.5px;color:rgba(237,234,226,.68);line-height:1.7}
.ky-footer-contact i{color:rgba(237,234,226,.45);margin-top:5px;flex:0 0 auto}
.ky-footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.ky-footer-bottom p{font-size:13px;color:rgba(237,234,226,.5)}
.ky-footer-badges{display:flex;gap:10px}
.ky-footer-badges span{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.14);font-size:12px;color:rgba(237,234,226,.55);
}
/* ========== 16. 动效 ========== */
.ky-reveal{opacity:0;transform:translateY(16px);transition:opacity .55s var(--ky-ease),transform .55s var(--ky-ease)}
.ky-reveal.is-in{opacity:1;transform:none}
/* ========== 17. 响应式 ========== */
@media (min-width:1440px){
  .ky-container{max-width:1320px}
}
@media (max-width:1023px){
  :root{--ky-sec-y:80px}
  .ky-nav,.ky-quiet-link{display:none}
  .ky-burger{display:inline-flex}
  .ky-header-left{gap:14px}
  .ky-ink-grid{grid-template-columns:1fr;border-top:0}
  .ky-ink-item{border-right:0;border-top:1px solid rgba(255,255,255,.10);padding:22px 0}
  .ky-ink-list{grid-template-columns:1fr 1fr;gap:16px}
  .ky-side-card{position:static;margin-top:8px}
  .ky-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--ky-sec-y:64px;--ky-header-h:56px}
  .ky-container{padding:0 20px}
  body{font-size:15.5px}
  .ky-header.is-scrolled .ky-header-inner{height:56px}
  .ky-brand-text{font-size:16px}
  .ky-hero{padding-top:26px}
  .ky-hero::before{display:none}
  .ky-cta-inner{padding:40px 0}
  .ky-cta-actions{width:100%}
  .ky-cta-actions .ky-btn{width:100%}
  .ky-ink-list{grid-template-columns:1fr}
  .ky-footer-grid{grid-template-columns:1fr;gap:28px}
  .ky-footer{padding-top:52px}
  .ky-timeline{padding-left:22px}
  .ky-timeline::before{left:5px}
  .ky-tl-dot{left:-22px}
  .ky-tl-card{padding:18px}
  .ky-faq-a p{padding-left:22px}
  .ky-float-card{right:12px;bottom:12px;padding:10px 12px;min-width:130px}
}
@media (max-width:479px){
  .ky-search-form{flex-direction:column}
  .ky-search-form .ky-btn{width:100%}
  .ky-h1{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .ky-reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}