/* ============================================================
   Omseek · inner pages — narrative components
   产品演示 / 诊断 / 定价 / FAQ / 洞察卡片 / 更新时间线
   ============================================================ */

/* ---------------- product demo window ---------------- */
.product-demo{
  color:var(--white);border-radius:26px;overflow:hidden;
  background:linear-gradient(180deg,var(--navy),var(--navy));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-dark);
}
.demo-top{
  height:60px;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:0 24px;border-bottom:1px solid rgba(255,255,255,.08);
  font:600 12px/1 var(--font-mono);letter-spacing:.08em;color:var(--mk-blue-082);
}
.demo-top::before{
  content:"";display:inline-flex;width:54px;height:10px;margin-right:18px;
  background:
    radial-gradient(circle at 6px 50%,var(--red) 0 3.5px,transparent 4px),
    radial-gradient(circle at 22px 50%,var(--amber) 0 3.5px,transparent 4px),
    radial-gradient(circle at 38px 50%,#35d3a0 0 3.5px,transparent 4px);
}
.demo-top .tag{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:var(--mint)}
.demo-tabs{display:flex;gap:8px;flex-wrap:wrap;padding:18px 22px 0}
.demo-tabs button{
  border:1px solid transparent;background:var(--mk-blue-015);color:var(--mk-blue-069a);
  padding:11px 18px;border-radius:10px;cursor:pointer;
  font-size:13px;font-weight:500;
  transition:background .25s,color .25s,border-color .25s;
}
.demo-tabs button:hover{background:var(--mk-blue-019a);color:#dbe6f1}
.demo-tabs button.active{background:var(--white);color:var(--navy);font-weight:600;box-shadow:0 8px 20px -10px rgba(0,0,0,.6)}
.demo-tabs button:focus-visible{box-shadow:var(--ring);border-radius:10px}
.demo-body{padding:26px 24px 30px}
.demo-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.demo-metric{
  padding:22px;border:1px solid rgba(255,255,255,.09);border-radius:16px;
  background:rgba(255,255,255,.03);
  transition:border-color .3s,background .3s,transform .3s var(--ease);
}
.demo-metric:hover{border-color:rgba(111,240,207,.35);background:rgba(255,255,255,.055);transform:translateY(-3px)}
.demo-metric span{display:block;color:var(--mk-blue-064b);font:500 10px/1.4 var(--font-mono);letter-spacing:.08em}
.demo-metric b{display:block;margin-top:12px;font:600 33px/1 var(--font-display);letter-spacing:-.03em}
.demo-metric em{display:inline-block;margin-top:10px;font-style:normal;font-size:12px;font-weight:600;color:#57dfb1}
.answer-box{display:grid;grid-template-columns:1.25fr .75fr;gap:14px;margin-top:14px}
.answer-box>div{
  background:#0f1f34;border:1px solid rgba(255,255,255,.09);border-radius:18px;
  padding:24px;min-height:220px;
}
.answer-box b{display:block;font:600 14px/1.4 var(--font-display);color:#e4ecf5}
.answer-quote{font:500 18.5px/1.7 var(--font-display);letter-spacing:-.01em;color:var(--line);margin:14px 0 18px}
.cite{padding:11px 0;border-top:1px solid rgba(255,255,255,.08);color:var(--mk-blue-064b);font:500 11px/1.6 var(--font-mono)}
.finding{
  margin:14px 0 0;padding:13px 15px;border-radius:12px;
  background:rgba(37,99,255,.10);border:1px solid rgba(99,130,255,.22);
  color:var(--mk-blue-082);font-size:12.5px;line-height:1.6;
}
.finding small{color:var(--mk-blue-064b);font:500 10px/1 var(--font-mono);letter-spacing:.08em}
.finding b{color:var(--line);font-size:13px}
.finding p{margin:6px 0 0;color:var(--mk-blue-069a);font-size:12.5px;line-height:1.65}

/* ---------------- diagnosis ---------------- */
.diag-shell{display:grid;grid-template-columns:.9fr 1.1fr;gap:16px;align-items:start}
.diag-input,.diag-preview{padding:38px;border-radius:22px;background:var(--white);border:1px solid var(--line);box-shadow:var(--sh-card)}
.diag-input h2,.diag-preview h2{font:600 34px/1.12 var(--font-display);letter-spacing:-.035em;margin:18px 0 12px}
.urlbox{display:flex;gap:10px;margin-top:28px}
.urlbox input{
  min-width:0;flex:1;border:1px solid var(--mk-blue-083);border-radius:11px;padding:0 18px;
  background:var(--white);font-size:14.5px;
  transition:border-color .25s,box-shadow .25s,background .25s;
}
.urlbox input:focus{outline:none;border-color:rgba(37,99,255,.55);background:var(--white);box-shadow:var(--ring)}
.urlbox .btn{flex:none}
.diag-preview{background:linear-gradient(180deg,var(--white),var(--white))}
.blurred{filter:blur(5px);user-select:none}

/* ---------------- pricing ---------------- */
.pricegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}
.pricecard{
  display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--line);border-radius:22px;padding:34px;min-height:420px;
  box-shadow:0 1px 2px rgba(13,25,42,.04);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;
}
.pricecard:hover{transform:translateY(-5px);box-shadow:var(--sh-pop);border-color:var(--line)}
.pricecard.featured{
  color:var(--white);border-color:rgba(255,255,255,.1);
  background:linear-gradient(165deg,var(--navy),var(--mk-blue-016));
  box-shadow:0 36px 80px -36px rgba(10,22,40,.85);
  transform:translateY(-12px);
}
.pricecard.featured:hover{transform:translateY(-16px);border-color:rgba(111,240,207,.3)}
.pricecard h3{margin:18px 0 8px;font:600 28px/1.1 var(--font-display);letter-spacing:-.03em}
.price{margin:6px 0 4px;font:600 34px/1 var(--font-display);letter-spacing:-.03em}
.pricecard>p{color:var(--mk-blue-047a);font-size:13.5px;line-height:1.7;margin:0 0 8px}
.pricecard.featured>p{color:var(--mk-blue-072)}
.pricecard ul{margin:18px 0 26px;padding:0;list-style:none;flex:1}
.pricecard li{
  position:relative;padding:12px 0 12px 26px;border-top:1px solid var(--line);
  color:var(--muted);font-size:13px;line-height:1.5;
}
.pricecard.featured li{border-color:rgba(255,255,255,.09);color:var(--mk-blue-078a)}
.pricecard li::before{
  content:"";position:absolute;left:0;top:14px;width:15px;height:15px;border-radius:50%;
  background-color:var(--mk-teal-094);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='7' viewBox='0 0 9 7'%3E%3Cpath d='M1 3.5 3.2 5.7 8 1' fill='none' stroke='%230c9a73' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:8px;
}
.pricecard.featured li::before{background-color:rgba(111,240,207,.14);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='7' viewBox='0 0 9 7'%3E%3Cpath d='M1 3.5 3.2 5.7 8 1' fill='none' stroke='%236ff0cf' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.pricecard .btn{margin-top:auto;width:100%}

/* ---------------- faq ---------------- */
.faq{display:grid;gap:10px;max-width:900px}
.faq details{
  background:var(--white);border:1px solid var(--line);border-radius:16px;padding:0;
  transition:border-color .3s,box-shadow .3s var(--ease);
}
.faq details[open]{border-color:var(--mk-blue-082);box-shadow:var(--sh-card)}
.faq summary{
  position:relative;cursor:pointer;list-style:none;
  padding:22px 52px 22px 24px;font:600 15px/1.5 var(--font-display);letter-spacing:-.01em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:14px;margin-top:-7px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M3 5.5 7 9.5 11 5.5' fill='none' stroke='%235d6f83' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  transition:transform .3s var(--ease);
}
.faq details[open] summary::after{transform:rotate(180deg)}
.faq details p{margin:0;padding:0 24px 22px;color:var(--muted);line-height:1.85;font-size:14px}

/* ---------------- article cards ---------------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.article-card{
  display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--line);border-radius:20px;padding:30px;min-height:292px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;
}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--sh-pop);border-color:var(--line)}
.article-card h3{margin:40px 0 12px;font:600 22px/1.28 var(--font-display);letter-spacing:-.025em}
.article-card p{margin:0;color:var(--mk-blue-047a);line-height:1.75;font-size:13.5px}
.article-card small{margin-top:auto;padding-top:22px;color:var(--mk-blue-057);font:500 11px/1 var(--font-mono);letter-spacing:.05em}

/* ---------------- timeline ---------------- */
.timeline{position:relative;margin-left:12px;padding-left:38px}
.timeline::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--blue),var(--mk-teal-039));
}
.timeline article{position:relative;padding:0 0 46px}
.timeline article:last-child{padding-bottom:0}
.timeline article::before{
  content:"";position:absolute;width:12px;height:12px;border-radius:50%;
  background:var(--blue);left:-44px;top:5px;
  box-shadow:0 0 0 6px rgba(37,99,255,.10),0 0 14px rgba(37,99,255,.65);
}
.timeline article:nth-child(2)::before{background:var(--mk-blue-048a)}
.timeline article:nth-child(3)::before{background:var(--mk-teal-039)}
.timeline h3{margin:14px 0 10px;font:600 22px/1.2 var(--font-display);letter-spacing:-.02em}
.timeline p{margin:0;color:var(--muted);line-height:1.8;font-size:14px}

/* ---------------- responsive ---------------- */
@media(max-width:1000px){
  .demo-metrics,.answer-box{grid-template-columns:1fr}
  .diag-shell,.pricegrid,.article-grid{grid-template-columns:1fr}
  .pricecard.featured{transform:none}
  .pricecard.featured:hover{transform:translateY(-5px)}
  .pricecard{min-height:0}
}
@media(max-width:650px){
  .demo-top{padding:0 18px}
  .demo-top::before{display:none}
  .demo-body{padding:22px 18px 24px}
  .demo-metrics{grid-template-columns:1fr;gap:10px}
  .urlbox{flex-direction:column}
  .urlbox .btn{width:100%}
  .diag-input,.diag-preview{padding:28px 24px}
  .diag-input h2,.diag-preview h2{font-size:28px}
  .answer-quote{font-size:16.5px}
  .pricecard{padding:28px 24px}
  .faq summary{padding:20px 48px 20px 20px;font-size:14px}
  .article-card{min-height:0;padding:26px}
}