/* ============================================================
   Omseek · inner pages — shared design system
   平台 / 演示 / 定价 / 诊断 / 资源 / 文档等内页共用
   ============================================================ */

:root{
  /* legacy token names retained for page styles */
--muted:#5d6e80;
  --line:#dce4ea;
  --paper:#f2f6f8;
  --white:var(--mk-ink-100);
  --blue:#2563ff;
  --cyan:#46d9c8;
  --lime:#bafc66;
  --violet:#7a5cff;
  --orange:#ff9a61;
  --max:1240px;

  /* extended world tokens */
  --navy:#07111f;
--mint:#6ff0cf;
  --sig:linear-gradient(102deg,var(--blue) 0%,var(--mk-blue-065) 52%,var(--mk-teal-039) 100%);
  --sig-text:linear-gradient(94deg,var(--mk-blue-048a) 0%,var(--mk-blue-061) 52%,var(--mk-teal-039) 100%);
  --sig-soft:linear-gradient(145deg,var(--mk-blue-046),var(--mk-blue-061));
  --sh-card:0 1px 2px rgba(13,25,42,.05),0 16px 38px -20px rgba(13,25,42,.20);
  --sh-pop:0 26px 70px -26px rgba(15,30,58,.30);
  --sh-dark:0 36px 100px -24px rgba(0,0,0,.55);
  --ring:0 0 0 3px rgba(37,99,255,.22);
  --font-display:"Newsreader","Plus Jakarta Sans","PingFang SC","Noto Sans SC",system-ui,serif;
  --font-body:"Plus Jakarta Sans","PingFang SC","Noto Sans SC",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;color:var(--navy);background:var(--paper);
  font:16px/1.6 var(--font-body);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(37,99,255,.18);color:var(--navy)}
img{display:block}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:7px}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--mk-blue-078a);border:3px solid var(--paper);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--mk-blue-065a)}

body::after{
  content:"";position:fixed;inset:0;z-index:80;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.skip-link{position:fixed;left:18px;top:-60px;z-index:100;padding:10px 16px;border-radius:9px;background:var(--navy);color:var(--white);font-size:13px;transition:top .25s var(--ease)}
.skip-link:focus{top:14px}
.scroll-progress{position:fixed;top:0;left:0;z-index:90;height:2px;width:0;background:var(--sig);box-shadow:0 0 10px rgba(37,99,255,.55)}

.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}

/* ---------------- nav ---------------- */
.nav{
  position:sticky;top:0;z-index:40;height:74px;
  background:rgba(244,247,248,.72);border-bottom:1px solid transparent;
  backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);
  transition:background .35s,border-color .35s,box-shadow .35s;
}
.nav.scrolled{background:rgba(246,249,250,.9);border-bottom-color:var(--line);box-shadow:0 10px 34px -20px rgba(13,28,52,.35)}
.navin{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;line-height:0}
.brand img{width:122px;transition:opacity .25s,transform .25s}
.brand:hover img{opacity:.82;transform:translateY(-1px)}
.links{display:flex;gap:30px;margin-left:38px}
.links a{position:relative;font-size:13px;font-weight:500;color:var(--mk-blue-037a);padding:6px 0;transition:color .25s}
.links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;border-radius:2px;background:var(--sig);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.links a:hover{color:var(--navy)}
.links a:hover::after,.links a[aria-current="page"]::after{transform:scaleX(1)}
.links a b{font-weight:600;color:var(--navy)}
.links a[aria-current="page"]{font-weight:600}
.navcta{
  margin-left:auto;display:inline-flex;align-items:center;gap:7px;
  padding:11px 17px;border-radius:10px;font-size:12.5px;font-weight:600;color:var(--white);
  background:linear-gradient(180deg,var(--mk-blue-016),var(--navy));border:1px solid rgba(255,255,255,.1);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 10px 24px -12px rgba(10,22,38,.7);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.navcta span{transition:transform .25s var(--ease)}
.navcta:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 16px 30px -12px rgba(10,22,38,.75)}
.navcta:hover span{transform:translate(2px,-2px)}
.navcta:active{transform:translateY(0)}
.mobile{display:none;line-height:0;border:0;background:transparent;padding:6px;color:var(--navy);border-radius:8px}

/* ---------------- buttons & tags ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:11px;border:1px solid transparent;
  font-size:13.5px;font-weight:600;cursor:pointer;
  background:linear-gradient(180deg,var(--mk-blue-016),var(--navy));color:var(--white);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 14px 28px -14px rgba(10,22,38,.75);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,border-color .25s,color .25s;
}
.btn:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 18px 34px -14px rgba(10,22,38,.8)}
.btn:active{transform:translateY(0)}
.btn.light{background:var(--white);color:var(--navy);border-color:var(--line);box-shadow:0 1px 2px rgba(13,25,42,.05)}
.btn.light:hover{border-color:var(--mk-blue-078a);box-shadow:var(--sh-card)}
.btn.ghost{background:transparent;color:var(--mk-blue-017a);border-color:var(--mk-blue-083);box-shadow:none}
.btn.ghost:hover{background:var(--white);border-color:var(--mk-blue-075);box-shadow:var(--sh-card)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 12px;border:1px solid var(--line);border-radius:99px;background:rgba(255,255,255,.72);
  font:600 10px/1 var(--font-mono);letter-spacing:.12em;color:var(--muted);
}

/* ---------------- page hero ---------------- */
.pagehero{
  position:relative;overflow:hidden;
  padding:108px 0 88px;
  background:linear-gradient(180deg,var(--white) 0%,var(--line) 100%);
}
.pagehero::before{
  content:"";position:absolute;inset:-18% -8% auto -8%;height:118%;pointer-events:none;
  background:
    radial-gradient(42% 46% at 78% 14%,rgba(120,140,255,.32),transparent 70%),
    radial-gradient(36% 40% at 10% 80%,rgba(69,224,198,.20),transparent 72%);
  animation:aurora 16s ease-in-out infinite alternate;
}
.pagehero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(11,20,36,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(11,20,36,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(120% 90% at 70% 0,var(--mk-ink-000) 0%,transparent 62%);
  mask-image:radial-gradient(120% 90% at 70% 0,var(--mk-ink-000) 0%,transparent 62%);
}
.pagehero .wrap{position:relative;z-index:2}
.pagehero h1{
  margin:22px 0 24px;max-width:940px;
  font:600 clamp(46px,5.6vw,76px)/1.06 var(--font-display);letter-spacing:-.045em;
}
.gradient{
  background:var(--sig-text);background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradient-pan 9s ease-in-out infinite alternate;
}
.pagehero p{max-width:700px;margin:0;color:var(--mk-blue-037a);font-size:17px;line-height:1.85}
.pagehero .wrap>*{opacity:0;animation:rise-in .95s var(--ease) forwards}
.pagehero .wrap>*:nth-child(1){animation-delay:.1s}
.pagehero .wrap>*:nth-child(2){animation-delay:.22s}
.pagehero .wrap>*:nth-child(3){animation-delay:.36s}
.pagehero .wrap>*:nth-child(4){animation-delay:.5s}

.kicker{
  display:inline-flex;align-items:center;
  font:600 11px/1 var(--font-mono);letter-spacing:.17em;text-transform:uppercase;color:var(--mk-blue-045);
}

/* ---------------- sections ---------------- */
section{padding:118px 0;position:relative}
.secthead{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:end;margin-bottom:58px}
.secthead h2{
  margin:15px 0 0;
  font:600 clamp(34px,4.4vw,56px)/1.08 var(--font-display);letter-spacing:-.04em;
}
.secthead p{color:var(--muted);line-height:1.85;max-width:560px;margin:0;justify-self:end;align-self:end}
.secthead .btn{margin-top:26px}

.dark{
  color:var(--white);overflow:hidden;
  background:
    radial-gradient(80% 60% at 88% -6%,rgba(60,80,190,.22),transparent 60%),
    radial-gradient(60% 50% at 0% 100%,rgba(14,184,166,.08),transparent 60%),
    var(--navy);
}
.dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.07) .7px,transparent .7px);background-size:24px 24px;
  -webkit-mask-image:radial-gradient(90% 80% at 50% 0,var(--mk-ink-000),transparent 75%);mask-image:radial-gradient(90% 80% at 50% 0,var(--mk-ink-000),transparent 75%);
}
.dark .wrap{position:relative}
.dark .kicker{color:var(--mk-blue-064b)}
.dark .secthead h2{color:var(--white)}
.dark .secthead p{color:var(--mk-blue-069a)}

/* ---------------- loop steps (deployment) ---------------- */
.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.step{
  min-height:214px;padding:28px 26px;border:1px solid var(--line);border-radius:18px;background:var(--white);
  box-shadow:0 1px 2px rgba(13,25,42,.04);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;
}
.step:hover{transform:translateY(-5px);box-shadow:var(--sh-pop);border-color:var(--line)}
.step .n{font:500 10px/1 var(--font-mono);letter-spacing:.14em;color:var(--mk-blue-058)}
.step h3{margin:48px 0 12px;font:600 20px/1.15 var(--font-display);letter-spacing:-.02em}
.step p{margin:0;font-size:13px;line-height:1.75;color:var(--muted)}

/* ---------------- delivery modes (studio) ---------------- */
.modegrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mode{
  border-radius:22px;padding:42px;min-height:440px;background:var(--white);border:1px solid var(--line);
  box-shadow:0 1px 2px rgba(13,25,42,.04);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s;
}
.mode:hover{transform:translateY(-6px);box-shadow:var(--sh-pop);border-color:var(--line)}
.mode.studio{
  color:var(--white);border-color:rgba(255,255,255,.08);
  background:linear-gradient(165deg,var(--navy),var(--mk-blue-015));
  box-shadow:0 30px 70px -40px rgba(7,17,31,.85);
}
.mode.studio:hover{border-color:rgba(255,255,255,.16)}
.mode h3{margin:64px 0 14px;font:600 clamp(40px,4vw,52px)/1 var(--font-display);letter-spacing:-.035em}
.mode p{color:var(--muted);line-height:1.8;margin:0}
.mode.studio p{color:var(--mk-blue-064b)}
.mode ul{margin:34px 0 0;padding:0;list-style:none}
.mode li{display:flex;align-items:center;padding:13px 0;border-top:1px solid var(--line);font-size:13px}
.mode.studio li{border-color:rgba(255,255,255,.1)}
.mode li::before{
  content:"";flex:none;width:15px;height:15px;margin-right:10px;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;
}
.mode.studio 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")}

/* ---------------- mini bars (product demo) ---------------- */
.bars{display:flex;align-items:flex-end;gap:9px;height:180px;margin-top:28px}
.bars i{
  display:block;flex:1;border-radius:7px 7px 3px 3px;
  background:linear-gradient(180deg,#5b78f6,var(--mk-blue-047));
  transition:filter .25s,transform .25s var(--ease);transform-origin:bottom;
}
.bars i:hover{filter:brightness(1.15);transform:scaleY(1.03)}

.paneltop{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:22px}

/* ---------------- footer ---------------- */
.footer{
  position:relative;padding:72px 0 32px;
  background:linear-gradient(180deg,var(--navy),var(--navy));color:var(--line);overflow:hidden;
}
.footer::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(60% 80% at 88% 0,rgba(37,99,255,.12),transparent 70%)}
.footer .wrap{position:relative}
.footgrid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:44px}
.footgrid .brand img{width:120px}
.footer h4{margin:0 0 20px;color:var(--mk-blue-059a);font:600 10px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase}
.footer a{display:block;width:fit-content;margin:13px 0;color:var(--mk-blue-075);font-size:13px;transition:color .25s,transform .25s var(--ease)}
.footer a:hover{color:var(--white);transform:translateX(3px)}
.fine{
  display:flex;justify-content:space-between;gap:16px;align-items:center;
  margin-top:48px;padding-top:24px;border-top:1px solid var(--mk-blue-017a);
  color:var(--mk-blue-052a);font:500 10.5px/1.5 var(--font-mono);letter-spacing:.05em;
}
.fine a{display:inline-flex;margin:0;color:var(--mk-blue-069a)}
.fine a:hover{color:var(--white);transform:none}

/* ---------------- reveal / stagger ---------------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.on{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.stagger.on>*{opacity:1;transform:none}
.stagger.on>*:nth-child(1){transition-delay:.04s}.stagger.on>*:nth-child(2){transition-delay:.10s}
.stagger.on>*:nth-child(3){transition-delay:.16s}.stagger.on>*:nth-child(4){transition-delay:.22s}
.stagger.on>*:nth-child(5){transition-delay:.28s}.stagger.on>*:nth-child(6){transition-delay:.34s}
.stagger.on>*:nth-child(7){transition-delay:.40s}.stagger.on>*:nth-child(8){transition-delay:.46s}
.stagger.on>*:nth-child(9){transition-delay:.52s}.stagger.on>*:nth-child(10){transition-delay:.58s}

@keyframes rise-in{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes aurora{0%{transform:translate3d(0,0,0) scale(1)}100%{transform:translate3d(2.5%,2%,1) scale(1.06)}}
@keyframes gradient-pan{0%{background-position:0% 50%}100%{background-position:100% 50%}}

/* ---------------- responsive ---------------- */
@media(max-width:1000px){
  .links{display:none}
  .links.open{
    position:absolute;display:flex;left:0;right:0;top:74px;flex-direction:column;gap:14px;
    padding:22px 24px;margin-left:0;
    background:rgba(246,249,250,.97);border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px -18px rgba(14,22,39,.3);backdrop-filter:blur(18px);
  }
  .links.open a{font-size:15px;padding:8px 0}
  .mobile{display:block;margin-left:auto}
  .navcta{display:none}
  .pagehero{padding:84px 0 68px}
  .secthead{grid-template-columns:1fr;gap:22px}
  .secthead p{justify-self:start}
  .loop{grid-template-columns:1fr 1fr}
  .modegrid{grid-template-columns:1fr}
  .footgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:650px){
  .wrap{width:min(calc(100% - 28px),var(--max))}
  .nav,.navin{height:66px}
  .links.open{top:66px}
  .pagehero{padding:66px 0 58px}
  .pagehero h1{font-size:40px}
  .pagehero p{font-size:15.5px}
  .btn{width:100%}
  section{padding:80px 0}
  .secthead h2{font-size:32px}
  .loop{grid-template-columns:1fr}
  .mode{padding:30px;min-height:0}
  .mode h3{margin-top:42px;font-size:40px}
  .footgrid{grid-template-columns:1fr;gap:30px}
  .fine{flex-direction:column;gap:10px;align-items:flex-start}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal,.stagger>*,.pagehero .wrap>*{opacity:1!important;transform:none!important}
}