/* roulang page: index */
:root{
  --tao-main:#2c6b64;
  --tao-deep:#173f3b;
  --tao-warm:#c4783f;
  --tao-paper:#f7f4ed;
  --tao-soft:#efeade;
  --tao-card:#ffffff;
  --tao-ink:#1d2523;
  --tao-weak:#5f6f6c;
  --tao-line:#e2ddd2;
  --tao-r:14px;
  --tao-sh:0 8px 24px rgba(24,50,46,.08);
  --tao-sp:clamp(46px,7vw,86px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--tao-paper);
  color:var(--tao-ink);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
h1,h2,h3{margin:0;line-height:1.35;font-weight:700}
p{margin:0}
ul,ol,li{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--tao-warm);outline-offset:2px;border-radius:6px}

.kfoknlp-wrap{width:min(1180px,92vw);margin:0 auto}

/* 顶栏 */
.kfoknlp-top{position:sticky;top:0;z-index:60;background:rgba(247,244,237,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--tao-line)}
.kfoknlp-topin{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.kfoknlp-logo{display:flex;align-items:center;gap:11px;min-height:44px}
.kfoknlp-mark{width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;background:linear-gradient(140deg,var(--tao-main),var(--tao-deep));color:#fff;font-size:14px;letter-spacing:1px;font-weight:700}
.kfoknlp-name{font-size:15px;font-weight:700;line-height:1.3;max-width:230px;letter-spacing:.2px}
.kfoknlp-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.kfoknlp-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 13px;border-radius:10px;font-size:15px;color:var(--tao-weak);transition:background .2s,color .2s}
.kfoknlp-nav a:hover{background:var(--tao-soft);color:var(--tao-deep)}

/* 首屏 */
.kfoknlp-hero{position:relative;overflow:hidden;background:var(--tao-deep);color:#fff}
.kfoknlp-heroimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.kfoknlp-hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(104deg,rgba(11,33,31,.95) 0%,rgba(11,33,31,.76) 46%,rgba(11,33,31,.4) 100%)}
.kfoknlp-heroin{position:relative;z-index:2;padding:clamp(54px,8.5vw,100px) 0 clamp(42px,6vw,72px);max-width:780px}
.kfoknlp-eyebrow{font-size:14px;letter-spacing:3px;color:#f0c79a;margin-bottom:16px}
.kfoknlp-hero h1{font-size:clamp(27px,4.4vw,46px);letter-spacing:.5px;line-height:1.3}
.kfoknlp-herosub{margin-top:16px;font-size:clamp(16px,2vw,19px);color:#e8f2ef;font-weight:600}
.kfoknlp-herotxt{margin-top:18px;font-size:15.5px;line-height:1.95;color:#cfdedb;max-width:680px}
.kfoknlp-herobtns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.kfoknlp-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 26px;border-radius:999px;background:var(--tao-warm);color:#fff;font-size:15px;font-weight:600;transition:transform .22s,box-shadow .22s,background .22s;box-shadow:0 8px 18px rgba(196,120,63,.32)}
.kfoknlp-btn:hover{transform:translateY(-2px);background:#b56a33;box-shadow:0 12px 24px rgba(196,120,63,.4)}
.kfoknlp-btn--ghost{background:transparent;border:1px solid rgba(255,255,255,.55);box-shadow:none;color:#fff}
.kfoknlp-btn--ghost:hover{background:rgba(255,255,255,.14);box-shadow:none}
.kfoknlp-herostrip{position:relative;z-index:2;background:rgba(196,120,63,.94);color:#fff;font-size:14px;letter-spacing:.5px;padding:11px 0}
.kfoknlp-herostrip .kfoknlp-wrap{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 板块通用 */
.kfoknlp-sec{padding:var(--tao-sp) 0}
.kfoknlp-sec--paper{background:var(--tao-soft)}
.kfoknlp-sec--dark{background:var(--tao-deep);color:#eaf3f0}
.kfoknlp-h2{font-size:clamp(21px,2.9vw,30px);letter-spacing:.4px;margin-bottom:12px}
.kfoknlp-lead{color:var(--tao-weak);font-size:15px;line-height:1.9;max-width:780px;margin-bottom:34px}
.kfoknlp-sec--dark .kfoknlp-lead{color:#b9cecb}

/* 体验看板 */
.kfoknlp-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.kfoknlp-metrics li{background:var(--tao-card);border:1px solid var(--tao-line);border-radius:var(--tao-r);padding:22px 20px;box-shadow:var(--tao-sh)}
.kfoknlp-metrics strong{display:block;font-size:17px;color:var(--tao-deep);margin-bottom:8px}
.kfoknlp-metrics span{font-size:14px;color:var(--tao-weak);line-height:1.75}

/* 卖点三连 */
.kfoknlp-trio{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.kfoknlp-trio-card{background:var(--tao-card);border:1px solid var(--tao-line);border-radius:var(--tao-r);padding:26px 22px;box-shadow:var(--tao-sh);transition:transform .24s,box-shadow .24s}
.kfoknlp-trio-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(24,50,46,.14)}
.kfoknlp-ico{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:linear-gradient(140deg,#e9f1ef,#d5e5e1);color:var(--tao-deep);font-size:17px;font-weight:700;margin-bottom:16px}
.kfoknlp-trio-card h3{font-size:17px;margin-bottom:10px}
.kfoknlp-trio-card p{font-size:14px;color:var(--tao-weak);line-height:1.82}

/* 题材频道（纯文本标签） */
.kfoknlp-chans{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.kfoknlp-chans li{background:var(--tao-card);border:1px solid var(--tao-line);border-left:4px solid var(--tao-main);border-radius:12px;padding:18px 16px}
.kfoknlp-chans h3{font-size:15.5px;margin-bottom:8px;color:var(--tao-deep)}
.kfoknlp-chans p{font-size:14px;color:var(--tao-weak);line-height:1.75}

/* 书单卡片 */
.kfoknlp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.kfoknlp-card{background:var(--tao-card);border:1px solid var(--tao-line);border-radius:var(--tao-r);overflow:hidden;box-shadow:var(--tao-sh);transition:transform .24s,box-shadow .24s}
.kfoknlp-card:hover{transform:translateY(-5px);box-shadow:0 16px 32px rgba(24,50,46,.15)}
.kfoknlp-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#ded9cc}
.kfoknlp-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.kfoknlp-card:hover .kfoknlp-thumb img{transform:scale(1.05)}
.kfoknlp-tag{position:absolute;top:10px;left:10px;background:rgba(18,48,44,.85);color:#fff;font-size:12px;padding:3px 10px;border-radius:999px;letter-spacing:.5px}
.kfoknlp-cardbody{padding:15px 16px 20px}
.kfoknlp-cardbody h3{font-size:16px;margin-bottom:6px}
.kfoknlp-cardbody .kfoknlp-meta{font-size:13.5px;color:var(--tao-warm);margin-bottom:8px}
.kfoknlp-note{font-size:14px;color:var(--tao-weak);line-height:1.7}

/* 排行 */
.kfoknlp-rank{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 24px}
.kfoknlp-rank li{display:flex;align-items:center;gap:14px;background:var(--tao-card);border:1px solid var(--tao-line);border-radius:12px;padding:13px 16px;transition:border-color .2s,transform .2s}
.kfoknlp-rank li:hover{border-color:var(--tao-main);transform:translateX(3px)}
.kfoknlp-rk-no{flex:none;width:30px;font-size:16px;font-weight:800;color:var(--tao-warm);font-variant-numeric:tabular-nums}
.kfoknlp-rk-name{font-size:15px;font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kfoknlp-rk-meta{font-size:13.5px;color:var(--tao-weak);flex:none}
.kfoknlp-rk-tag{flex:none;font-size:12px;padding:2px 9px;border-radius:999px;background:#e8f1ef;color:var(--tao-deep)}

/* 双栏对照 */
.kfoknlp-duo{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.kfoknlp-duo-box{background:var(--tao-card);border:1px solid var(--tao-line);border-radius:var(--tao-r);padding:26px 24px;box-shadow:var(--tao-sh)}
.kfoknlp-duo-box h3{font-size:18px;margin-bottom:14px;color:var(--tao-deep)}
.kfoknlp-duo-box li{font-size:14.5px;color:var(--tao-weak);line-height:1.85;padding-left:18px;position:relative;margin-bottom:10px}
.kfoknlp-duo-box li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--tao-warm)}

/* 编辑精选（横向列表） */
.kfoknlp-list{display:grid;gap:16px}
.kfoknlp-list li{display:flex;gap:18px;align-items:center;background:var(--tao-card);border:1px solid var(--tao-line);border-radius:var(--tao-r);padding:14px 18px;box-shadow:var(--tao-sh);transition:transform .22s,box-shadow .22s}
.kfoknlp-list li:hover{transform:translateX(4px);box-shadow:0 14px 26px rgba(24,50,46,.13)}
.kfoknlp-listimg{width:74px;height:100px;flex:none;object-fit:cover;border-radius:10px;background:#ded9cc}
.kfoknlp-listbody h3{font-size:16px;margin-bottom:6px}
.kfoknlp-listbody p{font-size:14px;color:var(--tao-weak);line-height:1.72}
.kfoknlp-chip{display:inline-block;margin-top:9px;font-size:12.5px;padding:3px 11px;border-radius:999px;background:#f3ece0;color:var(--tao-warm);border:1px solid #ecdcc8}

/* 书圈动态 */
.kfoknlp-news{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.kfoknlp-news-item{display:flex;gap:16px;align-items:flex-start;background:var(--tao-card);border:1px solid var(--tao-line);border-radius:var(--tao-r);padding:15px 16px;box-shadow:var(--tao-sh)}
.kfoknlp-news-img{width:88px;height:88px;flex:none;object-fit:cover;border-radius:10px;background:#ded9cc}
.kfoknlp-news-body h3{font-size:15.5px;line-height:1.5;margin-bottom:7px}
.kfoknlp-news-body p{font-size:14px;color:var(--tao-weak);line-height:1.7}
.kfoknlp-news-time{display:inline-block;margin-top:8px;font-size:12.5px;color:var(--tao-warm)}

/* 保障条 */
.kfoknlp-guard{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.kfoknlp-guard li{display:flex;gap:12px;align-items:flex-start;padding:18px;border-radius:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16)}
.kfoknlp-guard b{display:block;font-size:15px;color:#fff;margin-bottom:6px}
.kfoknlp-guard span{font-size:13.8px;color:#b9cecb;line-height:1.72}
.kfoknlp-dot{width:10px;height:10px;flex:none;margin-top:7px;border-radius:3px;background:var(--tao-warm)}

/* 问答 */
.kfoknlp-faq{display:grid;gap:14px;max-width:900px}
.kfoknlp-faq details{background:var(--tao-card);border:1px solid var(--tao-line);border-radius:12px;padding:16px 20px;box-shadow:var(--tao-sh)}
.kfoknlp-faq summary{cursor:pointer;font-size:15.5px;font-weight:600;color:var(--tao-deep);min-height:28px;display:flex;align-items:center}
.kfoknlp-faq summary::marker{color:var(--tao-warm)}
.kfoknlp-faq p{margin-top:12px;font-size:14.5px;color:var(--tao-weak);line-height:1.85}

/* 收口 */
.kfoknlp-closing{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.kfoknlp-closing h2{font-size:clamp(20px,2.8vw,28px);margin-bottom:10px}
.kfoknlp-closing p{font-size:15px;color:#b9cecb;line-height:1.9;max-width:640px}

/* 页脚 */
.kfoknlp-foot{background:#122e2b;color:#b9cecb;padding-top:clamp(40px,6vw,64px)}
.kfoknlp-footgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:38px}
.kfoknlp-footname{color:#fff;font-size:15px;font-weight:700;line-height:1.5;margin-bottom:12px}
.kfoknlp-footdesc{font-size:14px;line-height:1.85}
.kfoknlp-footh{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.kfoknlp-footcol a,.kfoknlp-footcol span{display:block;font-size:14px;line-height:1.7;padding:6px 0;color:#b9cecb;transition:color .2s}
.kfoknlp-footcol a:hover{color:#f0c79a}
.kfoknlp-copy{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:13.5px;color:#8fa8a5}

@media(max-width:1024px){
  .kfoknlp-metrics{grid-template-columns:repeat(2,1fr)}
  .kfoknlp-chans{grid-template-columns:repeat(3,1fr)}
  .kfoknlp-grid{grid-template-columns:repeat(3,1fr)}
  .kfoknlp-guard{grid-template-columns:repeat(2,1fr)}
  .kfoknlp-footgrid{grid-template-columns:1fr 1fr;gap:26px}
}
@media(max-width:768px){
  .kfoknlp-topin{flex-wrap:wrap;padding:10px 0;min-height:0;gap:8px}
  .kfoknlp-nav{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
  .kfoknlp-nav a{white-space:nowrap;font-size:14px;padding:0 11px}
  .kfoknlp-name{font-size:14px;max-width:200px}
  .kfoknlp-trio{grid-template-columns:1fr}
  .kfoknlp-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .kfoknlp-chans{grid-template-columns:repeat(2,1fr)}
  .kfoknlp-rank{grid-template-columns:1fr}
  .kfoknlp-duo{grid-template-columns:1fr}
  .kfoknlp-news{grid-template-columns:1fr}
  .kfoknlp-closing{flex-direction:column;align-items:flex-start}
  .kfoknlp-herostrip{font-size:13px}
}
@media(max-width:520px){
  .kfoknlp-metrics{grid-template-columns:1fr}
  .kfoknlp-chans{grid-template-columns:1fr}
  .kfoknlp-guard{grid-template-columns:1fr}
  .kfoknlp-footgrid{grid-template-columns:1fr}
  .kfoknlp-listimg{width:64px;height:88px}
  .kfoknlp-news-img{width:74px;height:74px}
  .kfoknlp-herobtns{gap:10px}
  .kfoknlp-btn{padding:0 20px;font-size:14.5px}
}