/* roulang page: index */
:root{
  --kx-brand:#1F6FA8;
  --kx-brand-deep:#14507C;
  --kx-brand-soft:#E8F2FA;
  --kx-teal:#2E9E93;
  --kx-amber:#E68A2E;
  --kx-bg:#F7FAFC;
  --kx-ink:#16232F;
  --kx-ink-2:#56697A;
  --kx-line:#E2E9F0;
  --kx-shadow-1:0 1px 2px rgba(22,35,47,.05);
  --kx-shadow-2:0 12px 28px -16px rgba(31,111,168,.28);
  --kx-r-card:14px;
  --kx-r-img:12px;
  --kx-r-input:10px;
}
*,*::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","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--kx-ink);
  background:var(--kx-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:var(--kx-brand);text-decoration:none;transition:color .18s ease}
a:hover,a:focus{color:var(--kx-brand-deep)}
img{max-width:100%;height:auto;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--kx-brand);outline-offset:2px;border-radius:4px}

.kx-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.kx-skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.kx-skip:focus{left:0}

/* ---------- 按钮 ---------- */
.kx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.kx-btn-primary{background:var(--kx-brand);color:#fff;box-shadow:0 8px 18px -12px rgba(31,111,168,.9)}
.kx-btn-primary:hover{background:var(--kx-brand-deep);color:#fff;transform:translateY(-1px)}
.kx-btn-primary:active{transform:translateY(1px)}
.kx-btn-ghost{background:#fff;color:var(--kx-brand);border-color:#BEDBF0}
.kx-btn-ghost:hover{background:var(--kx-brand-soft);color:var(--kx-brand-deep);border-color:#BEDBF0}
.kx-btn-sm{height:40px;padding:0 18px;font-size:14px}
.kx-btn-block{width:100%}

/* ---------- 顶部导航 ---------- */
.kx-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--kx-line)}
.kx-brandbar-inner{display:flex;align-items:center;gap:20px;min-height:76px}
.kx-logo{display:flex;align-items:center;gap:11px;color:var(--kx-ink);flex:0 0 auto}
.kx-logo:hover{color:var(--kx-ink)}
.kx-logo-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--kx-brand) 0%,var(--kx-teal) 100%);
  color:#fff;display:grid;place-items:center;font-size:18px;
  box-shadow:0 8px 18px -12px rgba(31,111,168,.9);
}
.kx-logo-text strong{display:block;font-size:19px;font-weight:700;line-height:1.2;letter-spacing:.2px}
.kx-logo-text small{display:block;font-size:12px;line-height:1.4;color:var(--kx-ink-2)}
.kx-search{
  margin-left:auto;display:flex;align-items:center;gap:6px;
  width:220px;height:40px;padding:0 4px 0 14px;
  background:var(--kx-bg);border:1px solid var(--kx-line);border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.kx-search:focus-within{border-color:#BEDBF0;box-shadow:0 0 0 3px rgba(31,111,168,.08)}
.kx-search input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--kx-ink);outline:none}
.kx-search input::placeholder{color:#93A5B4}
.kx-search button{width:32px;height:32px;border:0;border-radius:999px;background:var(--kx-brand);color:#fff;display:grid;place-items:center;font-size:13px}
.kx-search button:hover{background:var(--kx-brand-deep)}
.kx-burger{
  display:none;width:44px;height:44px;border:1px solid var(--kx-line);border-radius:12px;
  background:#fff;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.kx-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--kx-ink);transition:transform .2s ease,opacity .2s ease}
.kx-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.kx-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.kx-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.kx-channelbar{background:var(--kx-brand-soft);border-bottom:1px solid #D6E7F4}
.kx-channelbar-inner{display:flex;align-items:center;gap:28px;height:52px;overflow-x:auto;scrollbar-width:none}
.kx-channelbar-inner::-webkit-scrollbar{display:none}
.kx-channel{
  position:relative;flex:0 0 auto;line-height:52px;font-size:15px;font-weight:500;
  color:var(--kx-ink-2);padding:0 2px;white-space:nowrap;transition:color .2s ease;
}
.kx-channel::after{
  content:"";position:absolute;left:0;bottom:12px;height:2px;width:0;
  background:var(--kx-brand);border-radius:2px;transition:width .2s ease;
}
.kx-channel:hover{color:var(--kx-brand)}
.kx-channel:hover::after{width:100%}
.kx-channel.is-active{color:var(--kx-brand);font-weight:700}
.kx-channel.is-active::after{width:100%}

.kx-overlay{
  position:fixed;inset:0;z-index:110;background:rgba(22,35,47,.35);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.kx-overlay.is-open{opacity:1;visibility:visible}
.kx-drawer{
  position:fixed;top:12px;right:12px;bottom:12px;z-index:120;
  width:min(84vw,336px);padding:24px;overflow-y:auto;
  background:#fff;border-radius:16px;box-shadow:var(--kx-shadow-2);
  transform:translateX(calc(100% + 24px));visibility:hidden;
  transition:transform .28s ease,visibility .28s ease;
}
.kx-drawer.is-open{transform:translateX(0);visibility:visible}
.kx-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.kx-drawer-head span{font-size:15px;font-weight:700;color:var(--kx-ink)}
.kx-drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--kx-line);background:#fff;color:var(--kx-ink-2)}
.kx-drawer-nav{display:flex;flex-direction:column}
.kx-drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 4px;font-size:15px;color:var(--kx-ink);
  border-bottom:1px solid var(--kx-line);
}
.kx-drawer-nav a:hover,.kx-drawer-nav a.is-active{color:var(--kx-brand);font-weight:700}
.kx-drawer-cta{margin-top:22px}

/* ---------- 首屏 ---------- */
.kx-hero{
  position:relative;overflow:hidden;padding:72px 0 80px;
  background-color:var(--kx-brand-soft);
  background-image:linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,255,255,.86)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--kx-line);
}
.kx-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(31,111,168,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(31,111,168,.055) 1px,transparent 1px);
  background-size:52px 52px;
}
.kx-hero .kx-container{position:relative;z-index:1}
.kx-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.kx-pill{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;margin-bottom:20px;
  background:#fff;border:1px solid #CFE4F4;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--kx-brand);
}
.kx-pill i{color:var(--kx-teal)}
.kx-h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.2px;margin-bottom:16px}
.kx-h1 em{font-style:normal;color:var(--kx-brand)}
.kx-hero-sub{font-size:17px;line-height:1.75;color:var(--kx-ink-2);max-width:34em;margin-bottom:28px}
.kx-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.kx-badges{display:flex;flex-wrap:wrap;gap:12px}
.kx-badges li{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;
  background:#fff;border:1px solid var(--kx-line);border-radius:999px;
  font-size:13.5px;color:var(--kx-ink-2);
}
.kx-badges li i{color:var(--kx-teal);font-size:13px}
.kx-hero-media{position:relative}
.kx-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--kx-r-img);border:1px solid #fff;
  box-shadow:0 24px 48px -28px rgba(20,80,124,.5);
}
.kx-hero-float{
  position:absolute;left:-14px;bottom:22px;
  display:flex;align-items:center;gap:12px;padding:12px 18px;
  background:#fff;border:1px solid var(--kx-line);border-radius:14px;box-shadow:var(--kx-shadow-2);
}
.kx-hero-float strong{font-size:20px;font-weight:700;color:var(--kx-amber);line-height:1}
.kx-hero-float span{font-size:13.5px;color:var(--kx-ink-2)}

/* ---------- 通用板块 ---------- */
.kx-section{padding:80px 0;scroll-margin-top:120px}
.kx-section-alt{background:#fff;border-top:1px solid var(--kx-line);border-bottom:1px solid var(--kx-line)}
.kx-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.kx-h2{font-size:30px;line-height:1.3;font-weight:700;margin-bottom:10px}
.kx-head-desc{font-size:15px;color:var(--kx-ink-2);margin:0}
.kx-head-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;white-space:nowrap}
.kx-head-link i{font-size:12px;transition:transform .18s ease}
.kx-head-link:hover i{transform:translateX(3px)}
.kx-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--kx-brand-soft);color:var(--kx-brand);font-size:12.5px;font-weight:600;
}
.kx-tag-teal{background:#E3F4F2;color:#1F7C73}

/* ---------- 三步上手 ---------- */
.kx-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.kx-step{padding:6px 30px 6px 0;position:relative}
.kx-step + .kx-step{border-left:1px dashed #C9DCEC;padding-left:34px}
.kx-step:nth-child(2){transform:translateY(26px)}
.kx-step-num{
  display:block;font-size:40px;font-weight:700;line-height:1;
  color:var(--kx-amber);letter-spacing:-1px;margin-bottom:14px;
}
.kx-step h3{font-size:20px;font-weight:600;margin-bottom:10px}
.kx-step p{font-size:15px;color:var(--kx-ink-2);margin-bottom:18px}
.kx-step img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--kx-r-img);border:1px solid var(--kx-line)}

/* ---------- 案例 ---------- */
.kx-cases{display:grid;grid-template-columns:7fr 5fr;gap:24px;margin-bottom:36px}
.kx-case-col{display:grid;gap:24px;align-content:start}
.kx-card{
  background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-r-card);
  box-shadow:var(--kx-shadow-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.kx-card:hover{transform:translateY(-4px);box-shadow:var(--kx-shadow-2);border-color:#BEDBF0}
.kx-case-img{position:relative}
.kx-case-img img{width:100%;aspect-ratio:16/9;object-fit:cover}
.kx-case-img .kx-tag{position:absolute;left:16px;top:16px;background:#fff}
.kx-case-body{padding:24px}
.kx-case-body h3{font-size:20px;font-weight:600;line-height:1.5;margin-bottom:10px}
.kx-case-body p{font-size:15px;color:var(--kx-ink-2);margin-bottom:16px}
.kx-case-result{
  display:flex;align-items:center;gap:8px;padding-top:16px;border-top:1px solid var(--kx-line);
  font-size:14px;color:var(--kx-brand);font-weight:600;
}
.kx-case-result i{color:var(--kx-amber)}
.kx-case-sm .kx-case-img img{aspect-ratio:16/9}
.kx-case-sm .kx-case-body{padding:20px}
.kx-case-sm .kx-case-body h3{font-size:17px}
.kx-case-sm .kx-case-body p{font-size:14px;margin-bottom:12px}

.kx-metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--kx-line);border:1px solid var(--kx-line);border-radius:var(--kx-r-card);overflow:hidden;
}
.kx-metric{background:#fff;padding:26px 22px;text-align:center}
.kx-metric strong{display:block;font-size:34px;line-height:1.1;font-weight:700;color:var(--kx-amber);letter-spacing:-.5px}
.kx-metric strong small{font-size:15px;font-weight:600;margin-left:2px}
.kx-metric span{display:block;margin-top:8px;font-size:14px;color:var(--kx-ink-2)}

/* ---------- FAQ ---------- */
.kx-faq{max-width:900px;margin:0 auto;display:grid;gap:12px}
.kx-faq .accordion-item{
  background:#fff;border:1px solid var(--kx-line);border-radius:12px;
  box-shadow:var(--kx-shadow-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.kx-faq .accordion-item.is-active{border-color:#BEDBF0;box-shadow:var(--kx-shadow-2)}
.kx-faq .accordion-title{
  position:relative;display:block;padding:20px 56px 20px 22px;
  font-size:16px;font-weight:600;color:var(--kx-ink);line-height:1.6;
  background:transparent;border:0;
}
.kx-faq .accordion-title:hover{color:var(--kx-brand);background:#FBFCFE}
.kx-faq .accordion-title::before{content:none}
.kx-faq .accordion-title::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--kx-brand);transition:transform .2s ease;
}
.kx-faq .accordion-item.is-active .accordion-title::after{content:"\f068"}
.kx-faq .accordion-content{padding:0 22px 22px;color:var(--kx-ink-2);font-size:15px;line-height:1.8;border:0}
.kx-faq .accordion-content p{margin:0}

/* ---------- 最新信息 ---------- */
.kx-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.kx-news-body{padding:24px;display:flex;flex-direction:column;height:100%}
.kx-news-title{
  font-size:17px;font-weight:600;line-height:1.55;margin:14px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.kx-news-title a{color:var(--kx-ink)}
.kx-news-title a:hover{color:var(--kx-brand)}
.kx-news-desc{
  font-size:14px;color:var(--kx-ink-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.kx-news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--kx-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.kx-news-foot time{font-size:13px;color:#8093A3;font-variant-numeric:tabular-nums}
.kx-news-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600}
.kx-news-link i{font-size:11px;transition:transform .18s ease}
.kx-news-link:hover i{transform:translateX(3px)}
.kx-empty{
  display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;
  padding:56px 24px;background:#fff;border:1px dashed #C9DCEC;border-radius:var(--kx-r-card);
}
.kx-empty i{font-size:28px;color:#9FBCD4}
.kx-empty p{font-size:15px;color:var(--kx-ink-2);margin:0}

/* ---------- CTA / 表单 ---------- */
.kx-cta{
  background-color:var(--kx-brand-soft);
  background-image:linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,255,255,.88)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.kx-cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start}
.kx-cta-points{margin-top:26px;display:grid;gap:14px}
.kx-cta-points li{display:flex;gap:12px;font-size:15px;color:var(--kx-ink-2)}
.kx-cta-points i{color:var(--kx-teal);margin-top:5px;font-size:14px}
.kx-form{
  background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-r-card);
  box-shadow:var(--kx-shadow-2);padding:28px;
}
.kx-field{margin-bottom:18px}
.kx-field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--kx-ink)}
.kx-field input,.kx-field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  background:var(--kx-bg);border:1px solid var(--kx-line);border-radius:var(--kx-r-input);
  color:var(--kx-ink);font-size:16px;line-height:1.6;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.kx-field textarea{resize:vertical;min-height:96px}
.kx-field input::placeholder,.kx-field textarea::placeholder{color:#93A5B4}
.kx-field input:focus,.kx-field textarea:focus{
  background:#fff;border-color:var(--kx-brand);box-shadow:0 0 0 3px rgba(31,111,168,.1);
}
.kx-field input.is-error,.kx-field textarea.is-error{border-color:#D9534F;box-shadow:0 0 0 3px rgba(217,83,79,.1)}
.kx-form .kx-btn{margin-top:6px}
.kx-form-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:#8093A3}
.kx-form-ok{
  display:none;margin-top:16px;padding:14px 16px;border-radius:10px;
  background:#E9F7F1;border:1px solid #BEE6D5;color:#1F7A5C;font-size:14px;font-weight:600;
}
.kx-form-ok.is-open{display:block}

/* ---------- 页脚 ---------- */
.kx-footer{background:#123E5C;color:#fff;padding:64px 0 0;margin-top:0}
.kx-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.kx-footer-logo{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.kx-footer-logo .kx-logo-mark{background:rgba(255,255,255,.12);box-shadow:none}
.kx-footer-logo strong{font-size:18px;font-weight:700;line-height:1.2;color:#fff;display:block}
.kx-footer-logo small{font-size:12px;color:#9FC2DA;display:block}
.kx-footer-text{font-size:14px;line-height:1.8;color:#C7DCEA;max-width:26em}
.kx-footer h3{
  font-size:14px;font-weight:600;color:#fff;margin-bottom:6px;padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.18);display:inline-block;
}
.kx-footer ul{margin-top:14px;display:grid;gap:10px}
.kx-footer ul a{font-size:14px;color:#C7DCEA;display:inline-block;transition:color .18s ease,transform .18s ease}
.kx-footer ul a:hover{color:#5FD0C2;transform:translateX(2px)}
.kx-footer-list li{font-size:14px;color:#C7DCEA;display:flex;gap:10px}
.kx-footer-list i{color:#5FD0C2;margin-top:5px;font-size:12px}
.kx-footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.kx-footer-bottom p{font-size:13px;color:#9FC2DA;margin:0}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .kx-container{padding:0 24px}
  .kx-section{padding:64px 0}
  .kx-hero{padding:56px 0 64px}
  .kx-hero-grid{grid-template-columns:1fr;gap:40px}
  .kx-h1{font-size:32px}
  .kx-h2{font-size:26px}
  .kx-cases{grid-template-columns:1fr}
  .kx-cta-grid{grid-template-columns:1fr;gap:36px}
  .kx-news-grid{grid-template-columns:repeat(2,1fr)}
  .kx-steps{grid-template-columns:1fr;gap:0}
  .kx-step{padding:24px 0}
  .kx-step + .kx-step{border-left:0;border-top:1px dashed #C9DCEC;padding-left:0}
  .kx-step:nth-child(2){transform:none}
  .kx-metrics{grid-template-columns:repeat(2,1fr)}
  .kx-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .kx-channelbar{display:none}
  .kx-search{display:none}
  .kx-brandbar-inner{min-height:64px;gap:12px}
  .kx-brandbar .kx-btn{display:none}
  .kx-burger{display:flex;margin-left:auto}
  .kx-logo-text strong{font-size:17px}
}
@media (max-width:600px){
  .kx-container{padding:0 18px}
  .kx-section{padding:48px 0}
  .kx-hero{padding:40px 0 52px}
  .kx-h1{font-size:28px}
  .kx-h2{font-size:24px}
  .kx-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .kx-hero-cta{gap:12px}
  .kx-hero-cta .kx-btn{width:100%}
  .kx-news-grid{grid-template-columns:1fr}
  .kx-metrics{grid-template-columns:repeat(2,1fr)}
  .kx-metric{padding:20px 12px}
  .kx-metric strong{font-size:28px}
  .kx-footer-grid{grid-template-columns:1fr;gap:30px}
  .kx-footer-bottom{flex-direction:column;align-items:flex-start}
  .kx-form{padding:20px}
  .kx-hero-float{left:0;bottom:12px;padding:10px 14px}
}

/* roulang page: article */
:root{
  --kx-brand:#1F6FA8;
  --kx-brand-deep:#14507C;
  --kx-footer-bg:#123E5C;
  --kx-brand-soft:#E8F2FA;
  --kx-teal:#2E9E93;
  --kx-teal-soft:#E4F4F2;
  --kx-amber:#E68A2E;
  --kx-bg:#F7FAFC;
  --kx-card:#FFFFFF;
  --kx-ink:#16232F;
  --kx-ink-2:#56697A;
  --kx-line:#E2E9F0;
  --kx-line-strong:#BEDBF0;
  --kx-radius-card:14px;
  --kx-radius-img:12px;
  --kx-radius-input:10px;
  --kx-radius-pill:999px;
  --kx-shadow-1:0 1px 2px rgba(22,35,47,.05);
  --kx-shadow-2:0 12px 28px -16px rgba(31,111,168,.28);
  --kx-space-section:80px;
  --kx-container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--kx-ink);
  background:var(--kx-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--kx-brand);outline-offset:2px;border-radius:4px}

.kx-container{width:100%;max-width:var(--kx-container);margin:0 auto;padding:0 32px}

/* ============ 按钮 ============ */
.kx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--kx-radius-input);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.kx-btn-primary{background:var(--kx-brand);color:#fff;box-shadow:var(--kx-shadow-1)}
.kx-btn-primary:hover{background:var(--kx-brand-deep);transform:translateY(-1px);box-shadow:var(--kx-shadow-2)}
.kx-btn-primary:active{transform:translateY(0);box-shadow:none}
.kx-btn-amber{background:var(--kx-amber);color:#fff}
.kx-btn-amber:hover{background:#CF771F;transform:translateY(-1px)}
.kx-btn-ghost{background:transparent;color:var(--kx-brand);border-color:var(--kx-line-strong)}
.kx-btn-ghost:hover{background:var(--kx-brand-soft)}
.kx-btn-sm{min-height:40px;padding:0 16px;font-size:14px}

/* ============ 徽章 / 标签 ============ */
.kx-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--kx-radius-pill);
  background:var(--kx-brand-soft);color:var(--kx-brand);
  font-size:13px;font-weight:600;line-height:1.6;
}
.kx-badge-teal{background:var(--kx-teal-soft);color:#1F7268}
.kx-tag{
  display:inline-flex;align-items:center;
  padding:5px 14px;border-radius:var(--kx-radius-pill);
  background:#fff;border:1px solid var(--kx-line);
  font-size:13px;color:var(--kx-ink-2);
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.kx-tag:hover{border-color:var(--kx-line-strong);color:var(--kx-brand);background:var(--kx-brand-soft)}

/* ============ 顶部 ============ */
.kx-header{position:relative;z-index:40}
.kx-brandbar{background:#fff;border-bottom:1px solid var(--kx-line)}
.kx-brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.kx-brand{display:flex;align-items:center;gap:12px}
.kx-logo-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--kx-brand) 0%,var(--kx-teal) 100%);
  color:#fff;font-size:18px;
  box-shadow:0 8px 18px -10px rgba(31,111,168,.7);
}
.kx-brand-text strong{display:block;font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--kx-ink)}
.kx-brand-text small{display:block;font-size:12px;color:var(--kx-ink-2);letter-spacing:.04em}
.kx-brand-actions{display:flex;align-items:center;gap:14px}
.kx-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:42px;padding:0 14px;
  background:var(--kx-bg);border:1px solid var(--kx-line);border-radius:var(--kx-radius-pill);
  transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.kx-search:focus-within{border-color:var(--kx-line-strong);background:#fff;box-shadow:var(--kx-shadow-1)}
.kx-search i{color:var(--kx-ink-2);font-size:13px}
.kx-search input{
  flex:1;border:0;background:transparent;height:100%;font-size:15px;outline:none;
}
.kx-search input::placeholder{color:#93A5B4}
.kx-menu-btn{
  display:none;width:44px;height:44px;border-radius:var(--kx-radius-input);
  background:var(--kx-brand-soft);border:1px solid var(--kx-line);color:var(--kx-brand);
  cursor:pointer;font-size:17px;
}

.kx-channelbar{background:var(--kx-brand-soft);border-bottom:1px solid var(--kx-line)}
.kx-channelbar-inner{display:flex;align-items:center;gap:28px;height:52px;overflow-x:auto;scrollbar-width:none}
.kx-channelbar-inner::-webkit-scrollbar{display:none}
.kx-channel{
  position:relative;white-space:nowrap;font-size:15px;color:var(--kx-ink-2);
  padding:6px 0;transition:color .18s ease;
}
.kx-channel::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--kx-brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.kx-channel:hover{color:var(--kx-brand)}
.kx-channel:hover::after{transform:scaleX(1)}
.kx-channel.is-active{color:var(--kx-brand);font-weight:700}
.kx-channel.is-active::after{transform:scaleX(1)}

/* 移动抽屉 */
.kx-drawer-mask{
  position:fixed;inset:0;background:rgba(22,35,47,.35);z-index:60;
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
}
.kx-drawer-mask.is-open{opacity:1;visibility:visible}
.kx-drawer{
  position:fixed;top:12px;right:12px;left:12px;z-index:61;
  background:#fff;border-radius:16px;box-shadow:var(--kx-shadow-2);
  padding:18px;transform:translateY(-14px);opacity:0;visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.kx-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.kx-drawer a{display:flex;align-items:center;min-height:48px;font-size:16px;color:var(--kx-ink);border-bottom:1px solid var(--kx-line)}
.kx-drawer a:last-of-type{border-bottom:0}
.kx-drawer .kx-btn{width:100%;margin-top:12px}

/* ============ 页头色带 ============ */
.kx-pageband{
  position:relative;
  padding:34px 0 30px;
  background-image:linear-gradient(rgba(255,255,255,.86),rgba(255,255,255,.86)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--kx-line);
}
.kx-crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--kx-ink-2)}
.kx-crumb a{color:var(--kx-ink-2)}
.kx-crumb a:hover{color:var(--kx-brand)}
.kx-crumb .sep{color:#A9BACC}
.kx-crumb .current{
  color:var(--kx-brand);font-weight:700;max-width:420px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章布局 ============ */
.kx-main{padding:48px 0 var(--kx-space-section)}
.kx-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}

.kx-article{
  background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-radius-card);
  box-shadow:var(--kx-shadow-1);padding:40px 44px 36px;
}
.kx-article-head{border-bottom:1px solid var(--kx-line);padding-bottom:22px;margin-bottom:28px}
.kx-article-head .kx-badge{margin-bottom:14px}
.kx-article h1{
  font-size:34px;line-height:1.35;font-weight:700;letter-spacing:-.01em;margin-bottom:16px;
}
.kx-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:14px;color:var(--kx-ink-2)}
.kx-meta span{display:inline-flex;align-items:center;gap:7px}
.kx-meta i{color:var(--kx-teal);font-size:13px}
.kx-share{margin-left:auto;display:inline-flex;gap:8px}
.kx-share a{
  width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:var(--kx-brand-soft);color:var(--kx-brand);font-size:13px;
  transition:background-color .18s ease,color .18s ease;
}
.kx-share a:hover{background:var(--kx-brand);color:#fff}

/* 正文排版 */
.kx-article-body{font-size:17px;line-height:1.8;color:var(--kx-ink);max-width:800px}
.kx-article-body>*{max-width:100%}
.kx-article-body p{margin:0 0 1em}
.kx-article-body h2{
  font-size:24px;line-height:1.45;font-weight:700;margin:40px 0 16px;padding-left:14px;
  border-left:3px solid var(--kx-brand);color:var(--kx-ink);
}
.kx-article-body h3{font-size:19px;font-weight:600;line-height:1.5;margin:28px 0 12px;color:var(--kx-ink)}
.kx-article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.kx-article-body ul,.kx-article-body ol{margin:0 0 1.1em;padding-left:22px}
.kx-article-body ul li{list-style:disc;margin:6px 0}
.kx-article-body ol li{list-style:decimal;margin:6px 0}
.kx-article-body ul li::marker{color:var(--kx-teal)}
.kx-article-body ol li::marker{color:var(--kx-teal);font-weight:600}
.kx-article-body blockquote{
  background:var(--kx-brand-soft);border-left:3px solid var(--kx-brand);
  border-radius:0 10px 10px 0;padding:16px 22px;margin:22px 0;color:var(--kx-ink-2);
}
.kx-article-body blockquote p:last-child{margin-bottom:0}
.kx-article-body img{border-radius:var(--kx-radius-img);margin:26px auto;box-shadow:var(--kx-shadow-1)}
.kx-article-body figure{margin:26px 0}
.kx-article-body figcaption{font-size:13px;color:var(--kx-ink-2);text-align:center;margin-top:10px}
.kx-article-body a{color:var(--kx-brand);text-decoration:underline;text-underline-offset:3px}
.kx-article-body a:hover{color:var(--kx-brand-deep)}
.kx-article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;display:block;overflow-x:auto;
}
.kx-article-body th,.kx-article-body td{border:1px solid var(--kx-line);padding:10px 14px;text-align:left;vertical-align:top}
.kx-article-body th{background:var(--kx-brand-soft);color:var(--kx-brand-deep);font-weight:600;white-space:nowrap}
.kx-article-body tbody tr:nth-child(even){background:#FAFCFE}
.kx-article-body hr{border:0;border-top:1px dashed var(--kx-line);margin:30px 0}
.kx-article-body code{
  background:var(--kx-brand-soft);color:var(--kx-brand-deep);
  padding:2px 6px;border-radius:6px;font-size:14.5px;
}
.kx-article-body pre{
  background:#0F2C42;color:#DCEAF4;padding:18px 20px;border-radius:var(--kx-radius-img);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:22px 0;
}

.kx-empty{
  background:#fff;border:1px dashed var(--kx-line-strong);border-radius:var(--kx-radius-card);
  padding:56px 24px;text-align:center;
}
.kx-empty i{font-size:30px;color:var(--kx-brand);display:block;margin-bottom:14px}
.kx-empty h2{font-size:20px;font-weight:600;margin-bottom:8px}
.kx-empty p{color:var(--kx-ink-2);font-size:15px;margin-bottom:18px}

/* 文末 */
.kx-article-foot{margin-top:38px;padding-top:26px;border-top:1px solid var(--kx-line)}
.kx-foot-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.kx-foot-row .label{font-size:14px;color:var(--kx-ink-2);margin-right:2px}
.kx-backline{margin:22px 0 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:14px;color:var(--kx-ink-2)}
.kx-backline a{color:var(--kx-brand);font-weight:600}
.kx-backline a:hover{color:var(--kx-brand-deep)}

/* 相关推荐 */
.kx-related{margin-top:var(--kx-space-section)}
.kx-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px}
.kx-section-head h2{font-size:26px;font-weight:700;letter-spacing:-.01em}
.kx-section-head p{font-size:14px;color:var(--kx-ink-2);margin-top:6px}
.kx-more{font-size:14px;font-weight:600;color:var(--kx-brand);display:inline-flex;align-items:center;gap:6px}
.kx-more i{transition:transform .18s ease}
.kx-more:hover i{transform:translateX(3px)}

.kx-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.kx-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--kx-line);
  border-radius:var(--kx-radius-card);overflow:hidden;box-shadow:var(--kx-shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.kx-card:hover{transform:translateY(-4px);box-shadow:var(--kx-shadow-2);border-color:var(--kx-line-strong)}
.kx-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--kx-brand-soft)}
.kx-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.kx-card:hover .kx-thumb img{transform:scale(1.04)}
.kx-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.kx-card-body h3{font-size:17px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kx-card-body p{font-size:14.5px;color:var(--kx-ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kx-card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--kx-ink-2)}
.kx-card-link{font-size:14px;font-weight:600;color:var(--kx-brand);display:inline-flex;align-items:center;gap:6px}
.kx-card-link:hover{color:var(--kx-brand-deep)}

/* 侧栏 */
.kx-side{position:sticky;top:20px;display:flex;flex-direction:column;gap:20px}
.kx-side-card{
  background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-radius-card);
  padding:22px;box-shadow:var(--kx-shadow-1);
}
.kx-side-card h3{font-size:15px;font-weight:700;padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--kx-line)}
.kx-toc a{
  display:block;font-size:14px;color:var(--kx-ink-2);padding:7px 0 7px 14px;
  border-left:2px solid var(--kx-line);line-height:1.6;
  transition:color .18s ease,border-color .18s ease,padding-left .18s ease;
}
.kx-toc a:hover,.kx-toc a.is-current{color:var(--kx-brand);border-color:var(--kx-brand);padding-left:18px}
.kx-side-list li+li{border-top:1px dashed var(--kx-line)}
.kx-side-list a{display:flex;gap:10px;align-items:flex-start;padding:11px 0;font-size:14px;color:var(--kx-ink-2);line-height:1.6}
.kx-side-list a:hover{color:var(--kx-brand)}
.kx-side-list i{color:var(--kx-teal);font-size:12px;margin-top:7px}
.kx-side-cta{
  background:linear-gradient(150deg,var(--kx-brand) 0%,var(--kx-brand-deep) 100%);
  border-radius:var(--kx-radius-card);padding:24px;color:#fff;
}
.kx-side-cta h3{border:0;padding:0;margin-bottom:10px;font-size:17px;color:#fff}
.kx-side-cta p{font-size:13.5px;line-height:1.75;color:#D6E6F3;margin-bottom:16px}
.kx-side-cta .kx-btn{width:100%;background:var(--kx-amber);color:#fff}
.kx-side-cta .kx-btn:hover{background:#CF771F}

/* CTA 区 */
.kx-cta{
  margin-top:var(--kx-space-section);
  border-radius:18px;overflow:hidden;
  background-image:linear-gradient(rgba(232,242,250,.9),rgba(232,242,250,.9)),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  border:1px solid var(--kx-line);
}
.kx-cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:48px 44px;align-items:center}
.kx-cta h2{font-size:26px;font-weight:700;margin-bottom:12px}
.kx-cta p{font-size:15px;color:var(--kx-ink-2);line-height:1.8;margin-bottom:18px}
.kx-cta-points{display:flex;flex-direction:column;gap:8px}
.kx-cta-points span{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;color:var(--kx-ink-2)}
.kx-cta-points i{color:var(--kx-teal);font-size:13px}
.kx-form{background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-radius-card);padding:26px;box-shadow:var(--kx-shadow-2)}
.kx-field{margin-bottom:16px}
.kx-field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
.kx-field input,.kx-field textarea{
  width:100%;min-height:48px;padding:12px 14px;font-size:16px;
  background:var(--kx-bg);border:1px solid var(--kx-line);border-radius:var(--kx-radius-input);
  transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.kx-field textarea{min-height:96px;resize:vertical;line-height:1.7}
.kx-field input:focus,.kx-field textarea:focus{outline:none;border-color:var(--kx-brand);background:#fff;box-shadow:0 0 0 3px rgba(31,111,168,.12)}
.kx-form .kx-btn{width:100%;min-height:50px;font-size:16px;background:var(--kx-brand)}
.kx-form .kx-btn:hover{background:var(--kx-amber)}
.kx-form-note{font-size:12.5px;color:var(--kx-ink-2);line-height:1.7;margin-top:12px}
.kx-form-ok{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--kx-radius-input);
  background:#E7F6EF;color:#1D6B4B;font-size:14px;border:1px solid #C6E9D8;
}
.kx-form-ok.is-show{display:block}

/* 页脚 */
.kx-footer{background:var(--kx-footer-bg);color:#fff;margin-top:var(--kx-space-section);padding:56px 0 26px}
.kx-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.kx-footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.kx-footer-logo strong{display:block;font-size:17px;font-weight:700}
.kx-footer-logo small{display:block;font-size:12px;color:#9FC0D6;letter-spacing:.04em}
.kx-footer-text{font-size:14px;line-height:1.8;color:#C7DCEA;max-width:320px}
.kx-footer h3{
  font-size:14px;font-weight:600;letter-spacing:.03em;margin-bottom:16px;
  padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.16);display:inline-block;
}
.kx-footer ul li{margin-bottom:10px}
.kx-footer ul a{font-size:14px;color:#C7DCEA;display:inline-block;transition:color .18s ease,transform .18s ease}
.kx-footer ul a:hover{color:#5FD3C6;transform:translateX(2px)}
.kx-footer-list li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:#C7DCEA}
.kx-footer-list i{color:#5FD3C6;font-size:12px;margin-top:7px}
.kx-footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#9FC0D6;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .kx-container{padding:0 24px}
  .kx-layout{grid-template-columns:1fr;gap:32px}
  .kx-side{position:static}
  .kx-article{padding:32px 28px 30px}
  .kx-article h1{font-size:30px}
  .kx-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kx-footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  :root{--kx-space-section:64px}
  .kx-cta-inner{grid-template-columns:1fr;gap:28px;padding:36px 28px}
}
@media (max-width:768px){
  .kx-search{display:none}
  .kx-menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .kx-brand-actions .kx-btn-primary{display:none}
  .kx-brandbar-inner{height:68px}
  .kx-channelbar-inner{gap:22px;height:48px}
  .kx-article-body{font-size:16.5px}
}
@media (max-width:600px){
  .kx-container{padding:0 18px}
  :root{--kx-space-section:48px}
  .kx-article{padding:24px 20px 26px;border-radius:12px}
  .kx-article h1{font-size:24px;line-height:1.4}
  .kx-article-body h2{font-size:21px;margin-top:32px}
  .kx-article-body h3{font-size:18px}
  .kx-grid-3{grid-template-columns:1fr}
  .kx-section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .kx-section-head h2{font-size:22px}
  .kx-share{margin-left:0;width:100%}
  .kx-cta{border-radius:14px}
  .kx-cta-inner{padding:28px 20px}
  .kx-cta h2{font-size:22px}
  .kx-form{padding:20px}
  .kx-footer-grid{grid-template-columns:1fr;gap:26px}
  .kx-footer{padding:44px 0 22px}
  .kx-btn{width:auto}
  .kx-crumb .current{max-width:180px}
}
@media (max-width:420px){
  .kx-brand-text strong{font-size:16px}
  .kx-brand-text small{font-size:11px}
  .kx-logo-mark{width:38px;height:38px;flex:0 0 38px}
}

/* roulang page: category1 */
:root{
  --kx-brand:#1F6FA8;
  --kx-brand-deep:#14507C;
  --kx-brand-soft:#E8F2FA;
  --kx-teal:#2E9E93;
  --kx-amber:#E68A2E;
  --kx-bg:#F7FAFC;
  --kx-ink:#16232F;
  --kx-ink-2:#56697A;
  --kx-line:#E2E9F0;
  --kx-dark:#0E3553;
  --kx-radius:14px;
  --kx-radius-sm:10px;
  --kx-shadow-1:0 1px 2px rgba(22,35,47,.05);
  --kx-shadow-2:0 12px 28px -16px rgba(31,111,168,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--kx-ink);
  background:var(--kx-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border-style:none}
a{color:var(--kx-brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--kx-brand-deep)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;color:var(--kx-ink)}
p{margin:0 0 1em}
ul{margin:0;padding:0}
:focus-visible{outline:2px solid var(--kx-brand);outline-offset:2px}
.kx-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 按钮 ============ */
.kx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--kx-radius-sm);
  font-size:16px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:all .18s ease;text-align:center;
}
.kx-btn-primary{background:var(--kx-brand);color:#fff;box-shadow:var(--kx-shadow-1)}
.kx-btn-primary:hover{background:var(--kx-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--kx-shadow-2)}
.kx-btn-primary:active{transform:translateY(1px);box-shadow:none}
.kx-btn-ghost{background:#fff;color:var(--kx-brand);border-color:#CFE2F0}
.kx-btn-ghost:hover{background:var(--kx-brand-soft);color:var(--kx-brand-deep);border-color:#BEDBF0}
.kx-btn-sm{height:40px;padding:0 18px;font-size:14.5px;border-radius:9px}
.kx-btn-block{width:100%}

/* ============ 头部品牌行 ============ */
.kx-header{position:sticky;top:0;z-index:60}
.kx-brandbar{background:#fff;border-bottom:1px solid var(--kx-line)}
.kx-brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.kx-logo{display:flex;align-items:center;gap:12px;color:var(--kx-ink)}
.kx-logo:hover{color:var(--kx-ink)}
.kx-logo-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 42px;
  background:linear-gradient(135deg,var(--kx-brand),var(--kx-teal));
  color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:var(--kx-shadow-2);
}
.kx-logo-text strong{display:block;font-size:19px;font-weight:700;letter-spacing:.4px;line-height:1.2}
.kx-logo-text small{display:block;font-size:12.5px;color:var(--kx-ink-2);letter-spacing:.3px;line-height:1.4}
.kx-brandbar-actions{display:flex;align-items:center;gap:16px}
.kx-search{
  display:flex;align-items:center;gap:8px;width:200px;height:40px;padding:0 14px;
  border:1px solid var(--kx-line);border-radius:999px;background:var(--kx-bg);transition:all .18s ease;
}
.kx-search:focus-within{border-color:var(--kx-brand);background:#fff;box-shadow:0 0 0 3px rgba(31,111,168,.1)}
.kx-search i{color:var(--kx-ink-2);font-size:13px}
.kx-search input{
  margin:0;padding:0;height:36px;width:100%;border:0;background:transparent;
  box-shadow:none;outline:none;font-size:14px;-webkit-appearance:none;appearance:none;
}
.kx-nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--kx-line);
  background:#fff;color:var(--kx-brand);font-size:18px;place-items:center;
}
.kx-nav-toggle:hover{background:var(--kx-brand-soft)}

/* ============ 频道行 ============ */
.kx-channelbar{background:var(--kx-brand-soft);border-bottom:1px solid var(--kx-line)}
.kx-channelbar-inner{display:flex;align-items:center;gap:28px;height:52px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.kx-channelbar-inner::-webkit-scrollbar{display:none}
.kx-channel{
  position:relative;flex:0 0 auto;padding:14px 0;font-size:15px;font-weight:500;
  color:var(--kx-ink-2);white-space:nowrap;
}
.kx-channel::after{
  content:"";position:absolute;left:0;bottom:8px;height:2px;width:100%;border-radius:2px;
  background:var(--kx-brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.kx-channel:hover{color:var(--kx-brand)}
.kx-channel:hover::after{transform:scaleX(1)}
.kx-channel.is-active{color:var(--kx-brand);font-weight:700}
.kx-channel.is-active::after{transform:scaleX(1)}

/* ============ 移动端抽屉 ============ */
.kx-drawer{position:fixed;inset:0;z-index:90;display:none}
.kx-drawer.is-open{display:block}
.kx-drawer-mask{position:absolute;inset:0;background:rgba(22,35,47,.35)}
.kx-drawer-panel{
  position:absolute;top:12px;left:12px;right:12px;padding:18px 18px 22px;
  background:#fff;border-radius:16px;box-shadow:var(--kx-shadow-2);
  max-height:calc(100vh - 24px);overflow-y:auto;
}
.kx-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--kx-line)}
.kx-drawer-head span{font-size:13px;font-weight:600;color:var(--kx-ink-2);letter-spacing:.6px}
.kx-drawer-close{width:36px;height:36px;border:0;border-radius:10px;background:var(--kx-bg);color:var(--kx-ink-2)}
.kx-drawer-close:hover{background:var(--kx-brand-soft);color:var(--kx-brand)}
.kx-drawer-panel a.kx-drawer-link{
  display:block;height:48px;line-height:48px;font-size:16px;color:var(--kx-ink);
  border-bottom:1px solid var(--kx-line);
}
.kx-drawer-panel a.kx-drawer-link.is-active{color:var(--kx-brand);font-weight:700}
.kx-drawer-cta{margin-top:18px;display:flex;height:48px;line-height:1;color:#fff}

/* ============ 窄幅 Hero ============ */
.kx-hero{
  position:relative;overflow:hidden;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.kx-hero::before{content:"";position:absolute;inset:0;background:rgba(255,255,255,.87)}
.kx-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(31,111,168,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,111,168,.05) 1px,transparent 1px);
  background-size:44px 44px;
}
.kx-hero-inner{position:relative;z-index:1;display:flex;flex-direction:column;justify-content:center;min-height:300px;padding:40px 0 48px}
.kx-crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--kx-ink-2);margin-bottom:18px}
.kx-crumb a{color:var(--kx-ink-2)}
.kx-crumb a:hover{color:var(--kx-brand)}
.kx-crumb-sep{color:#A9BACA}
.kx-crumb-now{color:var(--kx-brand);font-weight:700}
.kx-hero h1{font-size:40px;letter-spacing:.4px;margin-bottom:14px;max-width:820px}
.kx-hero-lead{margin:0;font-size:17px;color:var(--kx-ink-2);max-width:660px}

/* ============ 板块 ============ */
.kx-section{padding:80px 0}
.kx-section-alt{background:#fff;border-top:1px solid var(--kx-line);border-bottom:1px solid var(--kx-line)}
.kx-section-head{max-width:740px;margin-bottom:40px}
.kx-section-head h2{font-size:30px;margin-bottom:12px}
.kx-section-head p{margin:0;color:var(--kx-ink-2);font-size:16px}
.kx-eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
  font-size:13px;font-weight:700;letter-spacing:1px;color:var(--kx-teal);
}
.kx-eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--kx-teal)}

/* ============ 左右分栏 ============ */
.kx-split{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start}
.kx-split-media{position:relative}
.kx-split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;box-shadow:var(--kx-shadow-2)}
.kx-split-media figcaption{margin-top:12px;font-size:13px;color:var(--kx-ink-2)}
.kx-split-tag{
  position:absolute;left:16px;top:16px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--kx-brand);font-size:13px;font-weight:600;
  box-shadow:var(--kx-shadow-1);
}
.kx-points{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.kx-point{
  display:flex;gap:16px;padding:18px 20px;background:#fff;
  border:1px solid var(--kx-line);border-radius:var(--kx-radius);
  box-shadow:var(--kx-shadow-1);transition:all .18s ease;
}
.kx-point:hover{transform:translateY(-4px);box-shadow:var(--kx-shadow-2);border-color:#BEDBF0}
.kx-point-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:11px;
  background:var(--kx-brand-soft);color:var(--kx-brand);
  display:grid;place-items:center;font-size:16px;
}
.kx-point h3{font-size:17px;font-weight:600;margin-bottom:4px}
.kx-point p{margin:0;font-size:14.5px;line-height:1.7;color:var(--kx-ink-2)}

/* ============ 卡片 ============ */
.kx-cards-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.kx-card{
  display:flex;flex-direction:column;overflow:hidden;background:#fff;
  border:1px solid var(--kx-line);border-radius:var(--kx-radius);
  box-shadow:var(--kx-shadow-1);transition:all .18s ease;
}
.kx-card:hover{transform:translateY(-4px);box-shadow:var(--kx-shadow-2);border-color:#BEDBF0}
.kx-card-media{aspect-ratio:16/9;overflow:hidden;background:var(--kx-brand-soft)}
.kx-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.kx-card:hover .kx-card-media img{transform:scale(1.03)}
.kx-card-body{padding:24px;display:flex;flex-direction:column;gap:10px}
.kx-card-body h3{font-size:20px}
.kx-card-body p{margin:0;font-size:15px;color:var(--kx-ink-2)}
.kx-badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 12px;border-radius:999px;background:var(--kx-brand-soft);
  color:var(--kx-brand);font-size:13px;font-weight:600;
}
.kx-badge-teal{background:rgba(46,158,147,.12);color:#1F7A71}

/* ============ 深色流程 ============ */
.kx-steps{position:relative;overflow:hidden;background:var(--kx-dark);color:#fff;padding:80px 0}
.kx-steps::before{
  content:"";position:absolute;inset:0;opacity:.14;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
}
.kx-steps .kx-container{position:relative;z-index:1}
.kx-steps h2{color:#fff}
.kx-steps .kx-section-head p{color:#B9D2E4}
.kx-steps .kx-eyebrow{color:#6FD6C8}
.kx-steps .kx-eyebrow::before{background:#6FD6C8}
.kx-step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.kx-step{
  padding:24px;border-radius:var(--kx-radius);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.045);transition:all .18s ease;
}
.kx-step:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.08)}
.kx-step-no{font-size:34px;font-weight:700;line-height:1;color:var(--kx-amber);letter-spacing:1px}
.kx-step h3{font-size:18px;color:#fff;margin:14px 0 8px}
.kx-step p{margin:0;font-size:14.5px;color:#B9D2E4;line-height:1.7}

/* ============ 适用场景 ============ */
.kx-scene-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:22px;align-items:stretch}
.kx-scene{
  background:#fff;border:1px solid var(--kx-line);border-left:3px solid var(--kx-teal);
  border-radius:12px;padding:24px;transition:all .18s ease;
}
.kx-scene:hover{transform:translateY(-4px);box-shadow:var(--kx-shadow-2);border-color:#BEDBF0;border-left-color:var(--kx-amber)}
.kx-scene h3{font-size:18px;margin-bottom:8px}
.kx-scene p{margin:0;font-size:14.5px;color:var(--kx-ink-2)}

/* ============ FAQ ============ */
.kx-faq{list-style:none;margin:0;padding:0;display:grid;gap:14px;background:none}
.kx-faq .accordion-item{
  background:#fff;border:1px solid var(--kx-line);border-radius:12px;
  overflow:hidden;transition:all .2s ease;
}
.kx-faq .accordion-item.is-active{border-color:#BEDBF0;box-shadow:var(--kx-shadow-1)}
.kx-faq .accordion-title{
  position:relative;display:block;padding:18px 58px 18px 20px;
  font-size:16px;font-weight:600;line-height:1.55;color:var(--kx-ink);
  background:#fff;border:0;transition:color .2s ease;
}
.kx-faq .accordion-title:hover{color:var(--kx-brand)}
.kx-faq .accordion-title::before{
  content:"";position:absolute;right:20px;top:50%;width:14px;height:2px;border-radius:2px;
  background:var(--kx-brand);transform:translateY(-50%);
}
.kx-faq .accordion-title::after{
  content:"";position:absolute;right:26px;top:50%;width:2px;height:14px;border-radius:2px;
  background:var(--kx-brand);transform:translateY(-50%);transition:transform .2s ease;
}
.kx-faq .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) scaleY(0)}
.kx-faq .accordion-content{
  padding:0 20px 20px;border:0;background:#fff;
  font-size:15px;line-height:1.8;color:var(--kx-ink-2);
}

/* ============ CTA ============ */
.kx-cta{position:relative;overflow:hidden;background:var(--kx-brand-soft);padding:80px 0}
.kx-cta::before{
  content:"";position:absolute;inset:0;opacity:.1;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.kx-cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.kx-cta h2{font-size:30px;margin-bottom:14px}
.kx-cta-text p{color:var(--kx-ink-2);margin-bottom:20px}
.kx-cta-list{list-style:none;display:grid;gap:12px}
.kx-cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--kx-ink)}
.kx-cta-list i{color:var(--kx-teal);margin-top:6px;font-size:13px}
.kx-form{
  background:#fff;border:1px solid var(--kx-line);border-radius:16px;
  padding:28px;box-shadow:var(--kx-shadow-2);
}
.kx-field{margin-bottom:18px}
.kx-field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.kx-field input,.kx-field textarea{
  display:block;width:100%;margin:0;border:1px solid var(--kx-line);border-radius:var(--kx-radius-sm);
  padding:12px 14px;font-size:16px;background:var(--kx-bg);outline:none;
  transition:all .18s ease;box-shadow:none;
}
.kx-field input{height:48px}
.kx-field textarea{min-height:96px;line-height:1.6;resize:vertical}
.kx-field input:focus,.kx-field textarea:focus{border-color:var(--kx-brand);background:#fff;box-shadow:0 0 0 3px rgba(31,111,168,.12)}
.kx-form-note{margin:14px 0 0;font-size:12.5px;color:var(--kx-ink-2);line-height:1.7}
.kx-form-msg{
  display:none;margin-top:16px;padding:12px 16px;border-radius:10px;
  background:#E7F6EF;border:1px solid #B7E2CE;color:#1E6B49;font-size:14px;
}
.kx-form-msg.is-visible{display:block}

/* ============ 页脚 ============ */
.kx-footer{background:#123E5C;color:#fff;padding:64px 0 0}
.kx-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.kx-footer h3{
  position:relative;font-size:14px;font-weight:600;color:#fff;
  margin:0 0 18px;padding-bottom:10px;
}
.kx-footer h3::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;border-radius:2px;background:var(--kx-teal)}
.kx-footer ul{list-style:none;display:grid;gap:10px}
.kx-footer a{display:inline-block;color:#C7DCEA;font-size:14.5px;transition:all .18s ease}
.kx-footer a:hover{color:#5FD3C6;transform:translateX(2px)}
.kx-footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.kx-footer-logo .kx-logo-mark{width:38px;height:38px;flex:0 0 38px;font-size:17px}
.kx-footer-logo strong{display:block;font-size:17px;line-height:1.25}
.kx-footer-logo small{display:block;font-size:12.5px;color:#9FC0D6}
.kx-footer-text{margin:0;font-size:14px;color:#C7DCEA;max-width:320px}
.kx-footer-list li{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:#C7DCEA}
.kx-footer-list i{color:var(--kx-teal);margin-top:5px;font-size:12px}
.kx-footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:#9FC0D6;
}
.kx-footer-bottom p{margin:0}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .kx-container{padding:0 24px}
  .kx-section,.kx-steps,.kx-cta{padding:64px 0}
  .kx-hero h1{font-size:32px}
  .kx-split{gap:32px}
  .kx-split-media{flex:0 0 100%;max-width:100%}
  .kx-split-body{flex:0 0 100%;max-width:100%}
  .kx-step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kx-scene-grid{grid-template-columns:1fr 1fr}
  .kx-scene:first-child{grid-column:1 / -1}
  .kx-cta-grid{grid-template-columns:1fr;gap:32px}
  .kx-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:900px){
  .kx-search{display:none}
  .kx-channelbar{display:none}
  .kx-nav-toggle{display:grid}
  .kx-brandbar-inner{height:64px}
  .kx-hero-inner{min-height:260px;padding:28px 0 36px}
}
@media screen and (max-width:600px){
  .kx-container{padding:0 18px}
  .kx-section,.kx-steps,.kx-cta{padding:48px 0}
  .kx-section-head{margin-bottom:28px}
  .kx-section-head h2,.kx-cta h2{font-size:24px}
  .kx-hero h1{font-size:28px}
  .kx-hero-lead{font-size:15.5px}
  .kx-logo-text strong{font-size:16.5px}
  .kx-logo-text small{font-size:11.5px}
  .kx-logo-mark{width:38px;height:38px;flex:0 0 38px;font-size:17px}
  .kx-btn{height:48px}
  .kx-cta .kx-btn{width:100%}
  .kx-cards-2{grid-template-columns:1fr;gap:20px}
  .kx-card-body{padding:20px}
  .kx-step-grid{grid-template-columns:1fr}
  .kx-scene-grid{grid-template-columns:1fr}
  .kx-point{padding:16px}
  .kx-form{padding:20px}
  .kx-footer{padding:48px 0 0}
  .kx-footer-grid{grid-template-columns:1fr;gap:28px}
  .kx-footer-bottom{margin-top:32px}
}

/* roulang page: category2 */
:root{
  --kx-brand:#1F6FA8;
  --kx-brand-deep:#14507C;
  --kx-brand-deepest:#123E5C;
  --kx-brand-soft:#E8F2FA;
  --kx-teal:#2E9E93;
  --kx-teal-soft:#E4F4F2;
  --kx-amber:#E68A2E;
  --kx-bg:#F7FAFC;
  --kx-ink:#16232F;
  --kx-ink-2:#56697A;
  --kx-line:#E2E9F0;
  --kx-white:#FFFFFF;
  --kx-r-card:14px;
  --kx-r-img:12px;
  --kx-r-input:10px;
  --kx-shadow-1:0 1px 2px rgba(22,35,47,.05);
  --kx-shadow-2:0 12px 28px -16px rgba(31,111,168,.28);
  --kx-maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--kx-bg);
  color:var(--kx-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--kx-brand);text-decoration:none;}
a:hover{color:var(--kx-brand-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--kx-brand);outline-offset:2px;border-radius:4px;}
.kx-container{max-width:var(--kx-maxw);margin:0 auto;padding:0 32px;width:100%;}
.kx-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- 按钮 ---------- */
.kx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--kx-r-btn);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
  text-decoration:none;white-space:nowrap;
}
.kx-btn-primary{background:var(--kx-brand);color:#fff;box-shadow:0 8px 18px -12px rgba(31,111,168,.75);}
.kx-btn-primary:hover{background:var(--kx-brand-deep);color:#fff;transform:translateY(-1px);}
.kx-btn-primary:active{transform:translateY(1px);box-shadow:none;}
.kx-btn-ghost{background:#fff;color:var(--kx-brand);border-color:#C7DCEA;}
.kx-btn-ghost:hover{background:var(--kx-brand-soft);color:var(--kx-brand-deep);}
.kx-btn-amber:hover{background:var(--kx-amber);border-color:var(--kx-amber);color:#fff;}
.kx-btn-sm{min-height:40px;padding:0 18px;font-size:15px;}

/* ---------- 品牌行 ---------- */
.kx-brandbar{background:#fff;border-bottom:1px solid var(--kx-line);position:relative;z-index:30;}
.kx-brandbar-inner{display:flex;align-items:center;gap:24px;min-height:76px;}
.kx-logo{display:flex;align-items:center;gap:12px;color:var(--kx-ink);text-decoration:none;}
.kx-logo-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:linear-gradient(140deg,#1F6FA8 0%,#2E9E93 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:0 8px 16px -12px rgba(31,111,168,.9);
}
.kx-logo-text strong{display:block;font-size:19px;font-weight:700;letter-spacing:.5px;line-height:1.35;}
.kx-logo-text small{display:block;font-size:12px;color:var(--kx-ink-2);line-height:1.4;letter-spacing:.5px;}
.kx-brand-actions{margin-left:auto;display:flex;align-items:center;gap:16px;}
.kx-search{position:relative;}
.kx-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#9DB3C4;font-size:14px;}
.kx-search input{
  width:220px;height:42px;border-radius:999px;border:1px solid var(--kx-line);
  background:var(--kx-bg);padding:0 16px 0 38px;font-size:16px;color:var(--kx-ink);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.kx-search input::placeholder{color:#91A6B6;}
.kx-search input:focus{outline:none;border-color:var(--kx-brand);background:#fff;box-shadow:0 0 0 3px rgba(31,111,168,.14);}
.kx-burger{
  display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--kx-line);
  background:#fff;color:var(--kx-brand-deep);font-size:18px;align-items:center;justify-content:center;cursor:pointer;
}
.kx-burger:hover{background:var(--kx-brand-soft);}

/* ---------- 频道行 ---------- */
.kx-channelbar{background:var(--kx-brand-soft);border-bottom:1px solid var(--kx-line);}
.kx-channelbar-inner{display:flex;align-items:center;gap:28px;min-height:52px;}
.kx-channel{
  position:relative;display:inline-flex;align-items:center;height:52px;
  font-size:15px;color:#33485A;font-weight:500;letter-spacing:.3px;transition:color .18s ease;
}
.kx-channel::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--kx-brand);
  transition:width .2s ease;
}
.kx-channel:hover{color:var(--kx-brand);}
.kx-channel:hover::after{width:100%;}
.kx-channel.is-active{color:var(--kx-brand-deep);font-weight:700;}
.kx-channel.is-active::after{width:100%;}

/* ---------- 移动抽屉 ---------- */
.kx-drawer{position:fixed;inset:0;z-index:60;display:none;}
.kx-drawer.is-open{display:block;}
.kx-drawer-mask{position:absolute;inset:0;background:rgba(22,35,47,.35);}
.kx-drawer-panel{
  position:absolute;left:16px;right:16px;top:16px;background:#fff;border-radius:16px;
  box-shadow:var(--kx-shadow-2);padding:14px;max-height:calc(100vh - 32px);overflow:auto;
}
.kx-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:6px 8px 12px;border-bottom:1px solid var(--kx-line);}
.kx-drawer-head strong{font-size:16px;color:var(--kx-brand-deep);}
.kx-drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--kx-line);background:#fff;color:var(--kx-ink-2);cursor:pointer;}
.kx-drawer-close:hover{background:var(--kx-brand-soft);}
.kx-drawer nav{display:flex;flex-direction:column;padding:8px 0 4px;}
.kx-drawer nav a{
  display:flex;align-items:center;height:48px;padding:0 10px;border-radius:10px;
  color:var(--kx-ink);font-size:16px;font-weight:500;
}
.kx-drawer nav a:hover{background:var(--kx-brand-soft);color:var(--kx-brand-deep);}
.kx-drawer nav a.is-active{color:var(--kx-brand);font-weight:700;background:var(--kx-brand-soft);}
.kx-drawer-cta{padding:10px 6px 4px;}

/* ---------- 页头窄幅 Hero ---------- */
.kx-hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--kx-brand-soft) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:0 0 56px;
}
.kx-hero::before{content:"";position:absolute;inset:0;background:rgba(255,255,255,.87);z-index:-1;}
.kx-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(46,158,147,.16),rgba(46,158,147,0) 68%);
  z-index:-1;
}
.kx-breadcrumb{padding:22px 0 0;}
.kx-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--kx-ink-2);}
.kx-breadcrumb li{display:flex;align-items:center;gap:8px;max-width:100%;}
.kx-breadcrumb li+li::before{content:"›";color:#9DB3C4;}
.kx-breadcrumb a{color:var(--kx-ink-2);}
.kx-breadcrumb a:hover{color:var(--kx-brand);}
.kx-breadcrumb .is-current{color:var(--kx-brand-deep);font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.kx-hero-main{padding:26px 0 0;min-height:210px;display:flex;align-items:center;}
.kx-hero-copy{max-width:780px;}
.kx-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid #C7DCEA;color:var(--kx-brand-deep);font-size:13px;font-weight:600;letter-spacing:.4px;
}
.kx-eyebrow i{color:var(--kx-teal);}
.kx-hero h1{
  font-size:40px;line-height:1.3;font-weight:700;margin:18px 0 14px;letter-spacing:.5px;color:var(--kx-ink);
}
.kx-hero h1 .kx-hl{color:var(--kx-brand-deep);}
.kx-lead{font-size:17px;color:var(--kx-ink-2);max-width:40em;line-height:1.8;}
.kx-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.kx-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.kx-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--kx-line);font-size:13px;color:var(--kx-brand-deep);font-weight:600;
  box-shadow:var(--kx-shadow-1);
}
.kx-badge i{color:var(--kx-teal);}
.kx-badge.is-soft{background:var(--kx-teal-soft);border-color:#CDE9E6;color:#1F6F68;}

/* ---------- 通用板块 ---------- */
.kx-section{padding:80px 0;}
.kx-section-tight{padding:64px 0;}
.kx-section-white{background:#fff;}
.kx-section-head{max-width:720px;margin-bottom:44px;}
.kx-section-head h2{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:.4px;}
.kx-section-head h2 .kx-hl{color:var(--kx-brand);}
.kx-sub{margin-top:12px;font-size:16px;color:var(--kx-ink-2);}
.kx-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--kx-teal);margin-bottom:12px;
}
.kx-kicker::before{content:"";width:22px;height:2px;background:var(--kx-teal);border-radius:2px;}

/* ---------- 编号清单 ---------- */
.kx-numberlist{background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-r-card);padding:8px 32px;box-shadow:var(--kx-shadow-1);}
.kx-number-item{
  display:grid;grid-template-columns:104px 1fr;gap:28px;align-items:start;
  padding:30px 0;border-bottom:1px dashed var(--kx-line);
  transition:padding-left .2s ease,background-color .2s ease;
}
.kx-number-item:last-child{border-bottom:0;}
.kx-number-item:hover{padding-left:10px;}
.kx-number-item:hover h3{color:var(--kx-brand);}
.kx-number-num{
  font-size:40px;font-weight:700;line-height:1;color:var(--kx-amber);
  font-variant-numeric:tabular-nums;letter-spacing:1px;padding-top:4px;
}
.kx-number-body h3{font-size:20px;font-weight:600;margin-bottom:8px;transition:color .2s ease;}
.kx-number-body p{color:var(--kx-ink-2);font-size:16px;max-width:42em;}
.kx-number-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.kx-tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:var(--kx-brand-soft);color:var(--kx-brand-deep);font-size:13px;font-weight:600;
}
.kx-tag.is-teal{background:var(--kx-teal-soft);color:#1F6F68;}

/* ---------- 横向小图组 ---------- */
.kx-thumbrow{display:flex;flex-wrap:wrap;gap:18px;}
.kx-thumbrow > .kx-cell{flex:1 1 0;min-width:0;}
.kx-thumb{
  background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-r-card);overflow:hidden;
  height:100%;box-shadow:var(--kx-shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.kx-thumb:hover{transform:translateY(-4px);box-shadow:var(--kx-shadow-2);border-color:#BEDBF0;}
.kx-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.kx-thumb figcaption{padding:12px 14px;font-size:14px;color:var(--kx-ink-2);line-height:1.6;}

/* ---------- 准备清单 + 数据条 ---------- */
.kx-prep-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start;}
.kx-checkgrid{display:grid;gap:16px;}
.kx-checkitem{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--kx-line);
  border-radius:var(--kx-r-card);padding:20px 22px;box-shadow:var(--kx-shadow-1);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.kx-checkitem:hover{border-color:#BEDBF0;transform:translateY(-4px);box-shadow:var(--kx-shadow-2);}
.kx-checkitem i{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:var(--kx-teal-soft);color:#1F6F68;
  display:flex;align-items:center;justify-content:center;font-size:15px;margin-top:2px;
}
.kx-checkitem strong{display:block;font-size:16px;font-weight:600;margin-bottom:4px;}
.kx-checkitem span{display:block;color:var(--kx-ink-2);font-size:15px;}
.kx-metrics{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
  background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-r-card);padding:26px;box-shadow:var(--kx-shadow-1);
}
.kx-metric{border-left:2px solid var(--kx-brand-soft);padding-left:16px;}
.kx-metric b{display:block;font-size:34px;line-height:1.15;color:var(--kx-amber);font-weight:700;font-variant-numeric:tabular-nums;}
.kx-metric b small{font-size:14px;font-weight:600;color:var(--kx-ink-2);margin-left:4px;}
.kx-metric span{display:block;font-size:14px;color:var(--kx-ink-2);margin-top:6px;}

/* ---------- CTA 表单 ---------- */
.kx-cta{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--kx-brand-soft) url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding:76px 0;
}
.kx-cta::before{content:"";position:absolute;inset:0;background:rgba(255,255,255,.9);z-index:-1;}
.kx-cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.kx-cta-copy h2{font-size:30px;font-weight:700;line-height:1.35;}
.kx-cta-copy p{margin-top:14px;color:var(--kx-ink-2);font-size:16px;max-width:32em;}
.kx-cta-points{margin-top:22px;display:grid;gap:10px;}
.kx-cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--kx-ink-2);}
.kx-cta-points i{color:var(--kx-teal);margin-top:5px;}
.kx-formcard{background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-r-card);padding:28px;box-shadow:var(--kx-shadow-2);}
.kx-field{margin-bottom:18px;}
.kx-field label{display:block;font-size:14px;font-weight:600;color:var(--kx-ink);margin-bottom:8px;}
.kx-field input,.kx-field textarea{
  width:100%;border:1px solid var(--kx-line);border-radius:var(--kx-r-input);
  background:var(--kx-bg);color:var(--kx-ink);font-size:16px;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.kx-field input{height:48px;padding:0 14px;}
.kx-field textarea{min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.kx-field input:focus,.kx-field textarea:focus{outline:none;border-color:var(--kx-brand);background:#fff;box-shadow:0 0 0 3px rgba(31,111,168,.14);}
.kx-form-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.kx-formnote{margin-top:14px;font-size:12.5px;color:var(--kx-ink-2);line-height:1.7;}
.kx-formsuccess{
  display:none;margin-bottom:18px;padding:12px 16px;border-radius:10px;
  background:#E8F5EE;border:1px solid #BCE0CD;color:#206B45;font-size:14px;
}
.kx-formsuccess.is-visible{display:flex;gap:10px;align-items:flex-start;}
.kx-formsuccess i{margin-top:4px;}

/* ---------- 页脚 ---------- */
.kx-footer{background:var(--kx-brand-deepest);color:#fff;padding:64px 0 0;}
.kx-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.kx-footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.kx-footer-logo .kx-logo-mark{width:40px;height:40px;flex:0 0 40px;background:rgba(255,255,255,.12);box-shadow:none;}
.kx-footer-logo strong{display:block;font-size:17px;font-weight:700;color:#fff;}
.kx-footer-logo small{display:block;font-size:12px;color:#9CC0D6;letter-spacing:.5px;}
.kx-footer-text{color:#C7DCEA;font-size:14.5px;line-height:1.8;max-width:26em;}
.kx-footer h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;position:relative;padding-bottom:10px;}
.kx-footer h3::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--kx-teal);border-radius:2px;}
.kx-footer ul{display:grid;gap:10px;}
.kx-footer ul a{color:#C7DCEA;font-size:14.5px;display:inline-block;transition:color .18s ease,transform .18s ease;}
.kx-footer ul a:hover{color:#7FD8CF;transform:translateX(2px);}
.kx-footer-list li{display:flex;gap:9px;align-items:flex-start;color:#C7DCEA;font-size:14.5px;}
.kx-footer-list i{color:var(--kx-teal);margin-top:6px;font-size:12px;}
.kx-footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#9CC0D6;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .kx-container{padding:0 24px;}
  .kx-hero h1{font-size:34px;}
  .kx-section{padding:64px 0;}
  .kx-cta-grid{grid-template-columns:1fr;gap:32px;}
  .kx-prep-grid{grid-template-columns:1fr;gap:28px;}
  .kx-number-item{grid-template-columns:80px 1fr;gap:20px;}
  .kx-number-num{font-size:34px;}
  .kx-thumbrow > .kx-cell{flex:1 1 calc(33.333% - 12px);}
  .kx-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .kx-brandbar-inner{min-height:68px;gap:14px;}
  .kx-search{display:none;}
  .kx-brand-actions .kx-btn{display:none;}
  .kx-burger{display:flex;}
  .kx-channelbar{display:none;}
  .kx-hero{padding-bottom:44px;}
  .kx-hero-main{min-height:0;}
  .kx-hero h1{font-size:30px;margin:16px 0 12px;}
  .kx-lead{font-size:16px;}
  .kx-section{padding:56px 0;}
  .kx-section-head{margin-bottom:32px;}
  .kx-section-head h2{font-size:26px;}
  .kx-numberlist{padding:4px 22px;}
  .kx-number-item{grid-template-columns:1fr;gap:10px;padding:24px 0;}
  .kx-number-item:hover{padding-left:0;}
  .kx-thumbrow > .kx-cell{flex:1 1 calc(50% - 9px);}
  .kx-badges{gap:10px;}
  .kx-footer{padding-top:48px;}
  .kx-cta{padding:56px 0;}
}
@media (max-width:520px){
  .kx-container{padding:0 18px;}
  .kx-logo-text strong{font-size:17px;}
  .kx-logo-text small{font-size:11.5px;}
  .kx-hero h1{font-size:28px;}
  .kx-hero-actions{gap:12px;}
  .kx-hero-actions .kx-btn{width:100%;}
  .kx-thumbrow{display:grid;grid-template-columns:1fr;}
  .kx-thumbrow > .kx-cell{flex:none;}
  .kx-metrics{grid-template-columns:repeat(2,minmax(0,1fr));padding:20px;gap:14px;}
  .kx-metric b{font-size:28px;}
  .kx-formcard{padding:20px;}
  .kx-form-actions .kx-btn{width:100%;}
  .kx-footer-grid{grid-template-columns:1fr;gap:28px;}
  .kx-footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --kx-brand:#1F6FA8;
  --kx-brand-deep:#14507C;
  --kx-brand-soft:#E8F2FA;
  --kx-teal:#2E9E93;
  --kx-teal-soft:#E4F4F2;
  --kx-amber:#E68A2E;
  --kx-bg:#F7FAFC;
  --kx-card:#FFFFFF;
  --kx-ink:#16232F;
  --kx-ink-2:#56697A;
  --kx-line:#E2E9F0;
  --kx-line-strong:#BEDBF0;
  --kx-footer:#123E5C;
  --kx-radius:14px;
  --kx-radius-sm:12px;
  --kx-shadow-1:0 1px 2px rgba(22,35,47,.05);
  --kx-shadow-2:0 12px 28px -16px rgba(31,111,168,.28);
  --kx-ease:180ms ease;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--kx-ink);
  background:var(--kx-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:var(--kx-brand);text-decoration:none;transition:color var(--kx-ease),background-color var(--kx-ease)}
a:hover{color:var(--kx-brand-deep)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--kx-ink)}
button,input,textarea,select{font:inherit;color:inherit;margin:0}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--kx-brand);outline-offset:2px}
.kx-skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.kx-skip:focus{left:0}

.kx-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 品牌行 ============ */
.kx-header{background:#fff;border-bottom:1px solid var(--kx-line);position:sticky;top:0;z-index:80}
.kx-brandbar-inner{display:flex;align-items:center;gap:20px;min-height:76px}
.kx-brand{display:flex;align-items:center;gap:12px;color:var(--kx-ink)}
.kx-brand:hover{color:var(--kx-ink)}
.kx-logo-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  background:linear-gradient(135deg,var(--kx-brand),var(--kx-teal));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;
  box-shadow:0 8px 18px -10px rgba(31,111,168,.7);
}
.kx-brand-text strong{display:block;font-size:18px;font-weight:700;line-height:1.25;letter-spacing:.2px}
.kx-brand-text small{display:block;font-size:12px;color:var(--kx-ink-2);line-height:1.4;margin-top:2px}
.kx-search{position:relative;width:200px;margin-left:auto}
.kx-search i{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--kx-ink-2);pointer-events:none}
.kx-search input{
  width:100%;height:40px;border:1px solid var(--kx-line);border-radius:999px;
  padding:0 14px 0 34px;background:var(--kx-bg);font-size:15px;color:var(--kx-ink);
  transition:border-color var(--kx-ease),box-shadow var(--kx-ease),background-color var(--kx-ease);
}
.kx-search input::placeholder{color:#8FA3B4}
.kx-search input:focus{outline:none;background:#fff;border-color:var(--kx-brand);box-shadow:0 0 0 3px rgba(31,111,168,.14)}

.kx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:10px;
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:background-color var(--kx-ease),color var(--kx-ease),border-color var(--kx-ease),transform var(--kx-ease),box-shadow var(--kx-ease);
}
.kx-btn-primary{background:var(--kx-brand);color:#fff;box-shadow:var(--kx-shadow-2)}
.kx-btn-primary:hover{background:var(--kx-brand-deep);color:#fff;transform:translateY(-1px)}
.kx-btn-primary:active{transform:translateY(0);box-shadow:var(--kx-shadow-1)}
.kx-btn-ghost{background:#fff;color:var(--kx-brand);border-color:var(--kx-line-strong)}
.kx-btn-ghost:hover{background:var(--kx-brand-soft);color:var(--kx-brand-deep);border-color:var(--kx-brand)}
.kx-btn-ghost:active{transform:translateY(1px)}
.kx-header-cta{box-shadow:none}
.kx-menu-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border-radius:12px;
  border:1px solid var(--kx-line);background:#fff;color:var(--kx-ink);font-size:17px;
  align-items:center;justify-content:center;transition:border-color var(--kx-ease),color var(--kx-ease);
}
.kx-menu-toggle:hover{border-color:var(--kx-line-strong);color:var(--kx-brand)}

/* ============ 频道行 ============ */
.kx-channelbar{background:var(--kx-brand-soft);border-bottom:1px solid var(--kx-line)}
.kx-channelbar-inner{display:flex;align-items:center;gap:28px;min-height:52px;overflow-x:auto;scrollbar-width:none}
.kx-channelbar-inner::-webkit-scrollbar{display:none}
.kx-channel{
  position:relative;font-size:15px;color:var(--kx-ink-2);padding:15px 0;white-space:nowrap;
  transition:color var(--kx-ease);
}
.kx-channel::after{
  content:"";position:absolute;left:0;right:100%;bottom:8px;height:2px;
  background:var(--kx-brand);transition:right 200ms ease;
}
.kx-channel:hover{color:var(--kx-brand)}
.kx-channel:hover::after{right:0}
.kx-channel.is-active{color:var(--kx-brand);font-weight:700}
.kx-channel.is-active::after{right:0}

/* ============ 页头窄幅 Hero ============ */
.kx-page-hero{
  position:relative;
  background-image:linear-gradient(rgba(255,255,255,.88),rgba(255,255,255,.88)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--kx-line);
  padding:52px 0 46px;
}
.kx-page-hero-inner{max-width:820px}
.kx-breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--kx-ink-2);flex-wrap:wrap;margin-bottom:18px}
.kx-breadcrumb a{color:var(--kx-ink-2)}
.kx-breadcrumb a:hover{color:var(--kx-brand)}
.kx-breadcrumb .kx-sep{color:#9FB2C2}
.kx-breadcrumb strong{color:var(--kx-brand);font-weight:600;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kx-page-hero h1{font-size:40px;letter-spacing:.5px}
.kx-page-hero-sub{margin-top:14px;font-size:17px;color:var(--kx-ink-2);max-width:640px}
.kx-hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.kx-hero-meta span{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:999px;background:#fff;border:1px solid var(--kx-line);
  font-size:13px;color:var(--kx-ink-2);
}
.kx-hero-meta i{color:var(--kx-teal);font-size:12px}

/* ============ 板块通用 ============ */
.kx-section{padding:80px 0}
.kx-section--alt{background:#fff}
.kx-section-head{max-width:720px;margin-bottom:40px}
.kx-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--kx-teal);letter-spacing:.6px;margin-bottom:12px}
.kx-eyebrow::before{content:"";width:18px;height:2px;background:var(--kx-teal);border-radius:2px}
.kx-section-head h2{font-size:30px}
.kx-section-head p{margin-top:12px;color:var(--kx-ink-2);font-size:16px}

/* ============ 对照卡 2×2 ============ */
.kx-compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.kx-compare-card{
  background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-radius);
  padding:24px;box-shadow:var(--kx-shadow-1);
  transition:transform var(--kx-ease),box-shadow var(--kx-ease),border-color var(--kx-ease);
  display:flex;flex-direction:column;gap:14px;
}
.kx-compare-card:hover{transform:translateY(-4px);box-shadow:var(--kx-shadow-2);border-color:var(--kx-line-strong)}
.kx-tag-row{display:flex;flex-wrap:wrap;gap:8px}
.kx-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--kx-brand-soft);color:var(--kx-brand);font-size:13px;font-weight:500;
}
.kx-tag.is-teal{background:var(--kx-teal-soft);color:#1F7C73}
.kx-compare-card h3{font-size:19px;font-weight:600;line-height:1.5}
.kx-metric{font-size:34px;font-weight:700;color:var(--kx-amber);line-height:1.1;display:flex;align-items:baseline;gap:8px}
.kx-metric small{font-size:14px;font-weight:500;color:var(--kx-ink-2)}
.kx-compare-card p{font-size:15px;color:var(--kx-ink-2);line-height:1.8}

/* ============ 主题分组卡 ============ */
.kx-topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.kx-topic-card{
  background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-radius);
  padding:24px;box-shadow:var(--kx-shadow-1);
  transition:transform var(--kx-ease),box-shadow var(--kx-ease),border-color var(--kx-ease);
}
.kx-topic-card:hover{transform:translateY(-4px);box-shadow:var(--kx-shadow-2);border-color:var(--kx-line-strong)}
.kx-topic-icon{
  width:44px;height:44px;border-radius:12px;background:var(--kx-teal-soft);color:var(--kx-teal);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.kx-topic-card h3{font-size:18px;font-weight:600;margin-bottom:14px}
.kx-topic-list li{
  position:relative;padding-left:16px;font-size:14px;color:var(--kx-ink-2);
  line-height:1.7;margin-bottom:10px;
}
.kx-topic-list li:last-child{margin-bottom:0}
.kx-topic-list li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--kx-brand-soft);border:1.5px solid var(--kx-brand);
}

/* ============ 精选问答 ============ */
.kx-faq-list{display:flex;flex-direction:column;gap:16px;max-width:900px}
.kx-faq{
  background:#fff;border:1px solid var(--kx-line);border-radius:var(--kx-radius-sm);
  box-shadow:var(--kx-shadow-1);overflow:hidden;
  transition:border-color 200ms ease,box-shadow 200ms ease;
}
.kx-faq[open]{border-color:var(--kx-line-strong);box-shadow:var(--kx-shadow-2)}
.kx-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--kx-ink);
}
.kx-faq summary::-webkit-details-marker{display:none}
.kx-faq summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--kx-brand-soft);color:var(--kx-brand);font-size:17px;font-weight:600;
  display:flex;align-items:center;justify-content:center;transition:background-color var(--kx-ease);
}
.kx-faq[open] summary::after{content:"−";background:var(--kx-brand);color:#fff}
.kx-faq summary:hover::after{background:var(--kx-line-strong);color:#fff}
.kx-faq-body{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--kx-ink-2);max-width:760px}

/* ============ 支持渠道 ============ */
.kx-support{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.kx-support h2{font-size:30px;margin-bottom:14px}
.kx-support-intro{color:var(--kx-ink-2);font-size:16px;max-width:560px}
.kx-support-list{margin-top:28px;display:flex;flex-direction:column;gap:20px}
.kx-support-item{display:flex;gap:14px;align-items:flex-start}
.kx-support-icon{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;background:var(--kx-brand-soft);
  color:var(--kx-brand);display:flex;align-items:center;justify-content:center;font-size:16px;
}
.kx-support-item h3{font-size:17px;font-weight:600;margin-bottom:4px}
.kx-support-item p{font-size:14.5px;color:var(--kx-ink-2);line-height:1.7}
.kx-support-media{border-radius:var(--kx-radius);overflow:hidden;border:1px solid var(--kx-line);box-shadow:var(--kx-shadow-2);background:#fff}
.kx-support-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ============ 底部 CTA ============ */
.kx-cta{background:linear-gradient(180deg,var(--kx-brand-soft),var(--kx-bg));padding:64px 0;border-top:1px solid var(--kx-line)}
.kx-cta-inner{
  display:flex;align-items:center;gap:28px;background:#fff;border:1px solid var(--kx-line);
  border-radius:18px;padding:28px 32px;box-shadow:var(--kx-shadow-2);
}
.kx-cta-thumb{flex:0 0 148px;width:148px;border-radius:var(--kx-radius-sm);overflow:hidden;border:1px solid var(--kx-line)}
.kx-cta-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover}
.kx-cta-text{flex:1 1 auto;min-width:0}
.kx-cta-text h2{font-size:24px;margin-bottom:8px}
.kx-cta-text p{margin:0;color:var(--kx-ink-2);font-size:15px}
.kx-cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* ============ 页脚 ============ */
.kx-footer{background:var(--kx-footer);color:#fff;padding:64px 0 26px}
.kx-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.kx-footer-logo{display:flex;align-items:center;gap:12px}
.kx-footer-logo strong{display:block;font-size:16px;font-weight:700;color:#fff;line-height:1.3}
.kx-footer-logo small{display:block;font-size:12px;color:#9FC3DA;margin-top:2px}
.kx-footer-text{color:#C7DCEA;font-size:14px;line-height:1.75;margin-top:18px;max-width:330px}
.kx-footer h3{
  position:relative;font-size:14px;font-weight:600;color:#fff;
  margin:0 0 18px;padding-bottom:12px;
}
.kx-footer h3::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--kx-teal);border-radius:2px}
.kx-footer ul li{margin-bottom:10px}
.kx-footer a{color:#C7DCEA;font-size:14px;display:inline-block;transition:color var(--kx-ease),transform var(--kx-ease)}
.kx-footer a:hover{color:var(--kx-teal);transform:translateX(2px)}
.kx-footer-list li{display:flex;gap:10px;align-items:flex-start;color:#C7DCEA;font-size:14px}
.kx-footer-list i{color:var(--kx-teal);font-size:12px;margin-top:6px}
.kx-footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:48px;padding-top:20px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.kx-footer-bottom p{margin:0;font-size:13px;color:#9FC3DA}

/* ============ 移动抽屉 ============ */
.kx-menu-toggle{display:none}
.kx-drawer-mask{
  position:fixed;inset:0;background:rgba(22,35,47,.35);z-index:120;
  opacity:0;visibility:hidden;transition:opacity 200ms ease,visibility 200ms ease;
}
.kx-drawer-mask.is-open{opacity:1;visibility:visible}
.kx-drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:#fff;z-index:130;
  border-radius:16px 0 0 16px;box-shadow:var(--kx-shadow-2);
  padding:22px;transform:translateX(102%);transition:transform 240ms ease;
  display:flex;flex-direction:column;
}
.kx-drawer.is-open{transform:translateX(0)}
.kx-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.kx-drawer-head strong{font-size:16px}
.kx-drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--kx-line);
  display:flex;align-items:center;justify-content:center;color:var(--kx-ink-2);
}
.kx-drawer-close:hover{color:var(--kx-brand);border-color:var(--kx-line-strong)}
.kx-drawer a.kx-drawer-link{
  display:flex;align-items:center;height:48px;font-size:16px;color:var(--kx-ink);
  border-bottom:1px solid var(--kx-line);transition:color var(--kx-ease),padding-left var(--kx-ease);
}
.kx-drawer a.kx-drawer-link:hover{color:var(--kx-brand);padding-left:4px}
.kx-drawer a.kx-drawer-link.is-active{color:var(--kx-brand);font-weight:700}
.kx-drawer-cta{margin-top:auto}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .kx-container{padding:0 24px}
  .kx-search{display:none}
  .kx-header-cta{display:none}
  .kx-menu-toggle{display:flex}
  .kx-section{padding:64px 0}
  .kx-page-hero h1{font-size:34px}
  .kx-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kx-support{grid-template-columns:1fr;gap:32px}
  .kx-support-media{order:-1}
  .kx-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .kx-cta-actions{width:100%}
}

@media screen and (max-width:768px){
  .kx-compare-grid{grid-template-columns:1fr}
  .kx-section-head h2,.kx-support h2{font-size:24px}
  .kx-cta-inner{flex-direction:column;align-items:flex-start;padding:24px}
  .kx-cta-thumb{width:100%;flex:0 0 auto}
  .kx-cta-actions{flex-direction:column;width:100%}
  .kx-cta-actions .kx-btn{width:100%}
}

@media screen and (max-width:600px){
  .kx-container{padding:0 18px}
  .kx-brandbar-inner{min-height:66px}
  .kx-brand-text strong{font-size:16px}
  .kx-brand-text small{display:none}
  .kx-section{padding:48px 0}
  .kx-page-hero{padding:36px 0 34px}
  .kx-page-hero h1{font-size:28px}
  .kx-page-hero-sub{font-size:15.5px}
  .kx-topic-grid{grid-template-columns:1fr}
  .kx-compare-card,.kx-topic-card,.kx-faq summary,.kx-faq-body{padding-left:20px;padding-right:20px}
  .kx-faq summary{font-size:15.5px}
  .kx-metric{font-size:30px}
  .kx-footer{padding:48px 0 22px}
  .kx-footer-grid{grid-template-columns:1fr;gap:28px}
  .kx-footer-bottom{flex-direction:column;gap:6px}
}