:root{
  --kx2-ink:#12332c;
  --kx2-muted:#4a6a61;
  --kx2-line:#c5ddd6;
  --kx2-paper:#f4faf7;
  --kx2-card:#ffffff;
  --kx2-accent:#0f766e;
  --kx2-accent-2:#b45309;
  --kx2-max:1080px;
  --kx2-serif:Georgia,"Iowan Old Style","Songti SC","Noto Serif SC",serif;
  --kx2-sans:"Avenir Next","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--kx2-paper);color:var(--kx2-ink);font-family:var(--kx2-sans);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--kx2-accent);text-decoration:none}
a:hover{text-decoration:underline}
.kx2-skip{position:absolute;left:-999px;top:0}
.kx2-skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 12px}
.kx2-shell{width:min(100% - 32px,var(--kx2-max));margin:0 auto}
.kx2-top{position:sticky;top:0;z-index:40;background:rgba(244,250,247,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--kx2-line)}
.kx2-top__row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.kx2-logo{display:inline-flex;align-items:center;gap:10px;color:var(--kx2-ink);font-weight:700;text-decoration:none}
.kx2-logo img{width:30px;height:30px;border-radius:8px;object-fit:cover}
.kx2-logo__dot{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--kx2-accent),#134e4a)}
.kx2-logo strong{font-size:17px}
.kx2-logo small{display:block;font-size:11px;font-weight:500;color:var(--kx2-muted);letter-spacing:.04em}
.kx2-nav{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center}
.kx2-nav a{color:var(--kx2-ink);font-size:14px;font-weight:600;text-decoration:none}
.kx2-nav a:hover{color:var(--kx2-accent)}
.kx2-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:999px;font-weight:700;font-size:14px;text-decoration:none;border:1px solid transparent}
.kx2-btn--fill{background:var(--kx2-accent);color:#fff}
.kx2-btn--fill:hover{filter:brightness(1.05);text-decoration:none;color:#fff}
.kx2-btn--line{background:#fff;border-color:var(--kx2-line);color:var(--kx2-ink)}
.kx2-btn--line:hover{border-color:var(--kx2-accent);color:var(--kx2-accent);text-decoration:none}
.kx2-btn--lg{padding:14px 22px;font-size:15px}
.kx2-menu{display:none;border:0;background:transparent;width:40px;height:40px}
.kx2-menu span{display:block;height:2px;background:var(--kx2-ink);margin:6px 0}

.kx2-hero{padding:56px 0 28px;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:end}
.kx2-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--kx2-accent);font-weight:700;margin:0 0 12px}
.kx2-hero h1{font-family:var(--kx2-serif);font-size:clamp(34px,5vw,54px);line-height:1.12;margin:0 0 14px;font-weight:700}
.kx2-lead{font-size:18px;color:var(--kx2-muted);margin:0 0 18px}
.kx2-desc{margin:0 0 26px;color:var(--kx2-ink);max-width:38em}
.kx2-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.kx2-note{font-size:13px;color:var(--kx2-muted);margin:0}
.kx2-panel{background:var(--kx2-card);border:1px solid var(--kx2-line);border-radius:20px;padding:22px;box-shadow:0 18px 40px rgba(18,51,44,.06)}
.kx2-panel h2{font-family:var(--kx2-serif);font-size:22px;margin:0 0 14px}
.kx2-checklist{list-style:none;margin:0;padding:0}
.kx2-checklist li{display:grid;grid-template-columns:28px 1fr;gap:10px;padding:12px 0;border-top:1px solid var(--kx2-line);font-size:14px}
.kx2-checklist li:first-child{border-top:0;padding-top:0}
.kx2-checklist b{display:inline-flex;width:28px;height:28px;border-radius:50%;align-items:center;justify-content:center;background:#ccfbf1;color:var(--kx2-accent);font-size:12px}
.kx2-checklist strong{display:block;margin-bottom:2px}
.kx2-checklist span{color:var(--kx2-muted)}

.kx2-band{padding:48px 0}
.kx2-band--tint{background:#e7f3ef;border-top:1px solid var(--kx2-line);border-bottom:1px solid var(--kx2-line)}
.kx2-band h2{font-family:var(--kx2-serif);font-size:clamp(26px,3vw,34px);margin:0 0 10px}
.kx2-band .kx2-sub{color:var(--kx2-muted);max-width:40em;margin:0 0 28px}
.kx2-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.kx2-card{background:var(--kx2-card);border:1px solid var(--kx2-line);border-radius:16px;padding:22px}
.kx2-card h3{margin:0 0 8px;font-size:18px}
.kx2-card p{margin:0;color:var(--kx2-muted);font-size:14px}

.kx2-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:kx2}
.kx2-step{position:relative;background:var(--kx2-card);border:1px solid var(--kx2-line);border-radius:16px;padding:20px}
.kx2-step::before{counter-increment:kx2;content:counter(kx2,decimal-leading-zero);display:block;font-family:var(--kx2-serif);font-size:28px;color:var(--kx2-accent-2);margin-bottom:8px}
.kx2-step h3{margin:0 0 6px;font-size:16px}
.kx2-step p{margin:0;font-size:13px;color:var(--kx2-muted)}

.kx2-split{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.kx2-meta{list-style:none;margin:0;padding:0}
.kx2-meta li{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--kx2-line);font-size:14px}
.kx2-meta span{color:var(--kx2-muted)}
.kx2-meta strong{text-align:right}
.kx2-ol{margin:0;padding-left:18px}
.kx2-ol li{margin:0 0 12px}
.kx2-ol strong{display:block}
.kx2-ol span{color:var(--kx2-muted);font-size:14px}

.kx2-faq details{background:var(--kx2-card);border:1px solid var(--kx2-line);border-radius:12px;padding:14px 16px;margin:0 0 10px}
.kx2-faq summary{cursor:pointer;font-weight:700}
.kx2-faq p{margin:10px 0 0;color:var(--kx2-muted);font-size:14px}

.kx2-news{display:grid;gap:12px}
.kx2-news a{display:block;background:var(--kx2-card);border:1px solid var(--kx2-line);border-radius:14px;padding:16px 18px;color:inherit;text-decoration:none}
.kx2-news a:hover{border-color:var(--kx2-accent)}
.kx2-news time{font-size:12px;color:var(--kx2-muted)}
.kx2-news h3{margin:6px 0;font-size:17px}
.kx2-news p{margin:0;color:var(--kx2-muted);font-size:14px}

.kx2-page{padding:28px 0 56px}
.kx2-crumb{font-size:13px;color:var(--kx2-muted);margin:0 0 18px}
.kx2-crumb a{color:var(--kx2-muted)}
.kx2-article{background:var(--kx2-card);border:1px solid var(--kx2-line);border-radius:18px;padding:28px}
.kx2-article h1{font-family:var(--kx2-serif);font-size:clamp(28px,4vw,40px);margin:0 0 10px;line-height:1.2}
.kx2-article__meta{color:var(--kx2-muted);font-size:13px;margin-bottom:18px}
.kx2-prose{font-size:16px;line-height:1.8}
.kx2-prose img{margin:16px 0;border-radius:12px}
.kx2-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.kx2-list article{background:var(--kx2-card);border:1px solid var(--kx2-line);border-radius:16px;overflow:hidden}
.kx2-list a{color:inherit;text-decoration:none;display:block}
.kx2-list img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#dbece7}
.kx2-list .body{padding:16px}
.kx2-list time{font-size:12px;color:var(--kx2-muted)}
.kx2-list h2{font-size:18px;margin:6px 0}
.kx2-list p{margin:0;color:var(--kx2-muted);font-size:14px}

.kx2-foot{margin-top:40px;padding:36px 0 24px;background:#0f2924;color:#d7ebe5}
.kx2-foot a{color:#d7ebe5}
.kx2-foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;margin-bottom:22px}
.kx2-foot h3{font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin:0 0 12px;color:#8fb8ad}
.kx2-foot__col a{display:block;margin:0 0 8px;font-size:14px;text-decoration:none}
.kx2-foot__brand p{margin:12px 0 0;font-size:13px;color:#8fb8ad;max-width:36em}
.kx2-foot__risk{font-size:12px;color:#7aa396;margin:0 0 16px;line-height:1.7}
.kx2-foot__bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.08);padding-top:14px;font-size:12px;color:#7aa396}
.kx2-table{width:100%;border-collapse:collapse;font-size:14px;background:var(--kx2-card);border:1px solid var(--kx2-line);border-radius:12px;overflow:hidden}
.kx2-table th,.kx2-table td{padding:12px 14px;border-bottom:1px solid var(--kx2-line);text-align:left}
.kx2-table th{background:#e7f3ef}

.kx2-strip{padding:18px 0;border-bottom:1px solid var(--kx2-line);background:#fff}
.kx2-strip__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.kx2-strip__grid div{padding:8px 4px}
.kx2-strip__grid strong{display:block;font-size:14px;margin-bottom:2px}
.kx2-strip__grid span{font-size:12px;color:var(--kx2-muted)}
.kx2-tag{display:inline-block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--kx2-accent-2);font-weight:700;margin:0 0 8px}
.kx2-mosaic{display:grid;grid-template-columns:1.2fr 1fr;gap:16px}
.kx2-mosaic .kx2-card:nth-child(1){grid-row:span 2}
.kx2-card--accent{background:linear-gradient(160deg,#ecfdf8,#fff 55%);border-color:#99f6e4}
.kx2-bullets{margin:12px 0 0;padding-left:18px;color:var(--kx2-muted);font-size:14px}
.kx2-bullets li{margin:0 0 8px}
.kx2-cols--2{grid-template-columns:1fr 1fr}
.kx2-timeline{display:grid;gap:0}
.kx2-timeline > div{padding:16px 0 16px 18px;border-left:2px solid var(--kx2-line);position:relative}
.kx2-timeline > div::before{content:"";position:absolute;left:-6px;top:22px;width:10px;height:10px;border-radius:50%;background:var(--kx2-accent)}
.kx2-timeline strong{display:block;margin-bottom:4px;font-size:15px}
.kx2-timeline span{font-size:14px;color:var(--kx2-muted)}
.kx2-panel__lead{margin:0 0 14px;font-size:14px;color:var(--kx2-muted)}
.kx2-compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.kx2-compare__col{border-radius:16px;padding:22px;border:1px solid var(--kx2-line);background:var(--kx2-card)}
.kx2-compare__col h3{margin:0 0 12px;font-size:18px}
.kx2-compare__col ul{margin:0;padding-left:18px;color:var(--kx2-muted);font-size:14px}
.kx2-compare__col li{margin:0 0 10px}
.kx2-compare__col--good{border-color:#99f6e4;background:#f0fdfa}
.kx2-compare__col--bad{border-color:#fcd9bd;background:#fff7ed}
.kx2-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;background:var(--kx2-card);border:1px solid var(--kx2-line);border-radius:20px;padding:28px}
.kx2-cta h2{margin:0 0 8px}
.kx2-cta .kx2-sub{margin:0}
.kx2-hero--download{align-items:stretch}

@media (max-width:900px){
  .kx2-hero,.kx2-cols,.kx2-steps,.kx2-split,.kx2-list,.kx2-foot__grid,.kx2-strip__grid,.kx2-mosaic,.kx2-cols--2,.kx2-compare{grid-template-columns:1fr}
  .kx2-mosaic .kx2-card:nth-child(1){grid-row:auto}
  .kx2-menu{display:block}
  .kx2-nav{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--kx2-line);padding:12px 16px;flex-direction:column;align-items:flex-start}
  .kx2-nav.is-open{display:flex}
  .kx2-top__cta{display:none}
}