*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,address,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
img,svg{display:block;max-width:100%}
input,textarea,select{font:inherit}
:focus-visible{outline:3px solid #23E3C6;outline-offset:2px;border-radius:8px}

:root{
  --paper:#F5F2EA;
  --mist:#E6E9EE;
  --card:#FFFDF7;
  --ink:#0C1D2E;
  --deep:#12466E;
  --cyan:#23E3C6;
  --cyan-deep:#1B6FA8;
  --grad:linear-gradient(120deg,#1B6FA8,#23E3C6);
  --orange:#FF8A3D;
  --grayblue:#5A6B7C;
  --indigo:#082B45;
  --amber:#FFE7C7;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"Roboto Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --shell:1200px;
  --pad:clamp(14px,3vw,28px);
  --header-h:72px;
}

html{background:var(--paper)}
body{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
html[data-nav-open]{overflow:hidden}

.yx-sr{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}

/* ---------- skip link ---------- */
.yx-skip{
  position:fixed;left:12px;top:-80px;z-index:300;
  padding:11px 20px;border-radius:var(--r-pill);
  background:var(--ink);color:var(--paper);
  font-size:14px;font-weight:700;
  transition:top .2s ease;
}
.yx-skip:focus{top:12px}

/* ---------- header frame ---------- */
.yx-header{
  position:sticky;top:0;z-index:100;
  background:linear-gradient(180deg,rgba(245,242,234,.97),rgba(245,242,234,.9));
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.yx-header__frame{
  max-width:var(--shell);
  margin:0 auto;
  width:100%;
  padding:0 var(--pad);
  min-height:var(--header-h);
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:clamp(10px,2vw,26px);
  transition:min-height .22s ease;
}
.yx-header[data-scrolled] .yx-header__frame{min-height:56px}

.yx-header__brand{display:flex;align-items:center;gap:10px;min-width:0}
.yx-logo{display:inline-flex;align-items:center;gap:10px;min-width:0}
.yx-logo__mark{
  position:relative;flex:0 0 auto;
  width:34px;height:34px;border-radius:12px;
  background:var(--deep);
  box-shadow:0 10px 22px -14px rgba(18,70,110,.95);
}
.yx-logo__mark::before{
  content:"";position:absolute;inset:8px;border-radius:50%;
  border:2px solid var(--cyan);border-top-color:transparent;transform:rotate(-35deg);
}
.yx-logo__mark::after{
  content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 -3px;
  border-radius:50%;background:var(--cyan);
}
.yx-logo__text{
  font-size:18px;font-weight:900;letter-spacing:-.02em;
  white-space:nowrap;color:var(--ink);
}
.yx-version{
  flex:0 0 auto;
  font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.08em;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--amber);color:#8A4408;
  border:1px solid rgba(255,138,61,.42);
  white-space:nowrap;
}

/* ---------- navigation ---------- */
.yx-nav__list{display:flex;align-items:center;justify-content:center;gap:2px}
.yx-nav__item{display:block}
.yx-nav__link{
  display:block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--deep);letter-spacing:.01em;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.yx-nav__link:hover{background:var(--mist);color:var(--ink)}
.yx-nav__link[aria-current="page"]{
  color:#fff;font-weight:700;
  background:var(--grad);
  box-shadow:0 10px 20px -14px rgba(35,227,198,.95);
}

.yx-header__actions{display:flex;align-items:center;gap:10px}

.yx-burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);
  background:var(--deep);color:var(--paper);
  cursor:pointer;flex:0 0 auto;
}
.yx-burger__bars{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:currentColor}
.yx-burger__bars::before,
.yx-burger__bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;
  background:currentColor;transition:transform .2s ease,top .2s ease;
}
.yx-burger__bars::before{top:-6px}
.yx-burger__bars::after{top:6px}
.yx-burger[aria-expanded="true"] .yx-burger__bars{background:transparent}
.yx-burger[aria-expanded="true"] .yx-burger__bars::before{top:0;transform:rotate(45deg)}
.yx-burger[aria-expanded="true"] .yx-burger__bars::after{top:0;transform:rotate(-45deg)}

.yx-header__rule{
  height:6px;
  border-top:1px solid rgba(18,70,110,.2);
  background-image:repeating-linear-gradient(90deg,rgba(18,70,110,.3) 0 1px,transparent 1px 12px);
  background-size:12px 4px;
  background-repeat:repeat-x;
  background-position:0 0;
}
.yx-progress{
  display:block;height:2px;width:100%;
  transform-origin:left center;
  transform:scaleX(var(--yx-progress,0));
  background:var(--grad);
}

.yx-scrim{
  position:fixed;inset:0;z-index:95;
  background:rgba(8,43,69,.55);
  backdrop-filter:blur(3px);
  -webkit-backdrop-filter:blur(3px);
}

/* ---------- generic layout ---------- */
.yx-container{
  width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad);
}
.yx-section{padding-block:clamp(36px,6vw,72px)}
.yx-section--tight{padding-block:clamp(20px,3vw,34px)}
.yx-section--mist{background:var(--mist)}

.yx-grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.yx-grid--split{grid-template-columns:5fr 7fr}
.yx-grid--split-rev{grid-template-columns:7fr 5fr}
.yx-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.yx-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.yx-rail{position:relative;padding-left:28px}
.yx-rail::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:rgba(18,70,110,.22);border-radius:2px;
}
.yx-rail::after{
  content:"";position:absolute;left:3px;top:0;bottom:0;width:14px;pointer-events:none;
  background-image:repeating-linear-gradient(180deg,rgba(18,70,110,.3) 0 2px,transparent 2px 14px);
}

/* ---------- typography ---------- */
.yx-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--deep);
}
.yx-eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--cyan)}

.yx-title{font-weight:900;letter-spacing:-.02em;line-height:1.14;color:var(--ink);text-wrap:balance}
.yx-title--xl{font-size:clamp(34px,6vw,64px);line-height:1.06}
.yx-title--lg{font-size:clamp(26px,4vw,42px)}
.yx-title--md{font-size:clamp(20px,2.6vw,26px);line-height:1.3}
.yx-title--sm{font-size:18px;line-height:1.4}

.yx-lead{font-size:clamp(16px,1.5vw,18px);line-height:1.8;color:var(--grayblue);max-width:62ch}
.yx-mono{font-family:var(--font-mono);font-weight:600;letter-spacing:.04em}

.yx-prose{color:var(--ink)}
.yx-prose p{margin-bottom:.9em}
.yx-prose p:last-child{margin-bottom:0}
.yx-prose h2,.yx-prose h3{margin:1.6em 0 .6em;font-weight:900;letter-spacing:-.02em;line-height:1.3}
.yx-prose h2{font-size:clamp(22px,2.6vw,28px)}
.yx-prose h3{font-size:19px}
.yx-prose ul{margin-bottom:.9em}
.yx-prose ul li{position:relative;padding-left:20px;margin-bottom:.5em}
.yx-prose ul li::before{
  content:"";position:absolute;left:0;top:.78em;width:10px;height:2px;border-radius:2px;background:var(--cyan);
}
.yx-prose a{border-bottom:1px solid rgba(18,70,110,.35);color:var(--deep)}
.yx-prose a:hover{border-color:var(--cyan);color:var(--ink)}

/* ---------- buttons & tags ---------- */
.yx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.yx-btn:hover{transform:translateY(-2px)}
.yx-btn:active{transform:translateY(0)}
.yx-btn--primary{background:var(--ink);color:var(--paper)}
.yx-btn--primary:hover{background:var(--deep)}
.yx-btn--ghost{background:transparent;color:var(--deep);border-color:rgba(18,70,110,.32)}
.yx-btn--ghost:hover{background:var(--mist);border-color:var(--deep)}
.yx-btn--cyan{background:var(--grad);color:#fff}
.yx-btn--sm{padding:9px 16px;font-size:14px}

.yx-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--mist);color:var(--deep);
}
.yx-tag--orange{background:var(--amber);color:#8A4408}
.yx-tag--cyan{background:rgba(35,227,198,.2);color:#0A5A50}

.yx-chips{display:flex;flex-wrap:wrap;gap:8px}
.yx-chip{
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(18,70,110,.24);background:var(--paper);
  font-size:14px;font-weight:600;color:var(--deep);cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.yx-chip:hover{background:var(--mist);border-color:var(--deep)}
.yx-chip[aria-pressed="true"]{background:var(--grad);color:#fff;border-color:transparent}

/* ---------- cards ---------- */
.yx-card{
  background:var(--card);
  border:1px solid rgba(18,70,110,.14);
  border-radius:var(--r-md);
  padding:20px 22px;
  transition:transform .18s ease,border-color .18s ease;
}
.yx-card:hover{transform:translateY(-2px);border-color:var(--deep)}
.yx-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.yx-card__title{font-size:17px;font-weight:900;letter-spacing:-.01em;line-height:1.4}
.yx-card__text{font-size:15px;color:var(--grayblue);line-height:1.7}

/* ---------- breadcrumb ---------- */
.yx-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--grayblue);margin-bottom:14px;
}
.yx-breadcrumb a:hover{color:var(--deep)}
.yx-breadcrumb__sep{color:rgba(90,107,124,.55)}

/* ---------- media base ---------- */
.yx-media{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid rgba(18,70,110,.22);
  background:linear-gradient(140deg,#0C1D2E,#12466E 55%,#1B6FA8);
  aspect-ratio:16/10;
  isolation:isolate;
}
.yx-media::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(rgba(35,227,198,.14) 1px,transparent 1px),
    linear-gradient(90deg,rgba(35,227,198,.14) 1px,transparent 1px);
  background-size:32px 32px;
}
.yx-media::after{
  content:"";position:absolute;left:14%;top:22%;right:14%;bottom:22%;z-index:1;pointer-events:none;
  border-top:2px solid rgba(35,227,198,.75);
  border-radius:60% 60% 0 0/100% 100% 0 0;
  opacity:.7;
}
.yx-media > img{position:absolute;inset:0;z-index:2;width:100%;height:100%;object-fit:cover}
.yx-media--wide{aspect-ratio:21/9}
.yx-media--square{aspect-ratio:1/1}
.yx-media--tall{aspect-ratio:4/5}

/* ---------- footer ---------- */
.yx-footer{
  margin-top:auto;
  position:relative;
  overflow:hidden;
  background:var(--indigo);
  color:var(--paper);
}
.yx-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(35,227,198,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(35,227,198,.07) 1px,transparent 1px);
  background-size:56px 56px;
}
.yx-footer::after{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:var(--grad);
}
.yx-footer__inner{
  position:relative;z-index:1;
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding:clamp(40px,6vw,64px) var(--pad) 26px;
}
.yx-footer__grid{
  display:grid;
  grid-template-columns:1.35fr 1fr 1fr 1.15fr;
  gap:clamp(22px,3vw,42px);
}
.yx-footer__zone{min-width:0}
.yx-footer__brand{
  font-size:19px;font-weight:900;letter-spacing:-.02em;color:var(--paper);
  margin-bottom:8px;
}
.yx-footer__label{
  font-family:var(--font-mono);font-size:12px;font-weight:600;
  letter-spacing:.14em;color:var(--cyan);
  margin-bottom:12px;
}
.yx-footer__meta{
  font-size:14px;line-height:1.7;color:rgba(245,242,234,.74);
}
.yx-footer__meta--small{font-size:13px;color:rgba(245,242,234,.55);margin-top:8px}
.yx-footer__links{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:6px 16px;font-size:14px;
}
.yx-footer__links a{
  color:rgba(245,242,234,.82);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color .18s ease,border-color .18s ease;
}
.yx-footer__links a:hover{color:var(--cyan);border-color:var(--cyan)}
.yx-footer__address{
  font-style:normal;display:grid;gap:6px;
  font-size:14px;line-height:1.65;color:rgba(245,242,234,.78);
  word-break:break-word;
}
.yx-footer__phone{
  font-family:var(--font-mono);font-size:16px;font-weight:600;
  letter-spacing:.05em;color:var(--cyan);
}
.yx-footer__base{
  margin-top:clamp(28px,4vw,48px);
  padding-top:18px;
  border-top:1px solid rgba(245,242,234,.16);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 22px;
  font-size:13px;color:rgba(245,242,234,.66);
}
.yx-footer__legal{display:flex;flex-wrap:wrap;gap:18px}
.yx-footer__legal a{
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
}
.yx-footer__legal a:hover{color:var(--cyan);border-color:var(--cyan)}

/* ---------- reveal & filter ---------- */
html.yx-js [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .5s ease,transform .5s ease;
}
html.yx-js [data-reveal].is-in{opacity:1;transform:none}
[data-filter-item].is-hidden{display:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .yx-header__actions .yx-btn--ghost{display:none}
  .yx-footer__grid{grid-template-columns:1.2fr 1fr 1fr;row-gap:32px}
  .yx-footer__zone:last-child{grid-column:1/-1}
}
@media (max-width:1000px){
  .yx-grid--split,.yx-grid--split-rev{grid-template-columns:1fr}
  .yx-grid--3,.yx-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .yx-burger{display:inline-flex}
  .yx-nav{
    position:fixed;left:0;right:0;bottom:0;top:auto;z-index:120;
    display:block;
    max-height:82vh;overflow-y:auto;
    padding:14px clamp(14px,4vw,24px) calc(22px + env(safe-area-inset-bottom));
    background:var(--indigo);
    color:var(--paper);
    border-radius:var(--r-lg) var(--r-lg) 0 0;
    box-shadow:0 -30px 60px -30px rgba(8,43,69,.9);
    transform:translateY(103%);
    visibility:hidden;
    transition:transform .34s cubic-bezier(.2,.8,.2,1),visibility .34s ease;
  }
  .yx-nav::before{
    content:"";display:block;width:44px;height:4px;border-radius:99px;
    background:rgba(245,242,234,.35);margin:0 auto 14px;
  }
  .yx-nav[data-open]{transform:translateY(0);visibility:visible}
  .yx-nav__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .yx-nav__link{
    padding:14px 16px;border-radius:16px;
    background:rgba(245,242,234,.08);
    color:var(--paper);font-size:15px;font-weight:700;
  }
  .yx-nav__link:hover,.yx-nav__link:focus-visible{background:rgba(245,242,234,.18);color:#fff}
  .yx-nav__link[aria-current="page"]{background:var(--grad);color:#fff;box-shadow:none}
}
@media (min-width:901px){
  .yx-scrim{display:none}
}
@media (max-width:860px){
  .yx-footer__grid{grid-template-columns:1fr 1fr}
  .yx-footer__zone:last-child{grid-column:1/-1}
}
@media (max-width:620px){
  .yx-grid--3,.yx-grid--4{grid-template-columns:1fr}
  .yx-rail{padding-left:22px}
}
@media (max-width:560px){
  .yx-header__actions{display:none}
  .yx-logo__text{font-size:16px}
  .yx-footer__grid{grid-template-columns:1fr;row-gap:26px}
  .yx-footer__base{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.yx-js [data-reveal]{opacity:1;transform:none}
  .yx-btn:hover,.yx-card:hover{transform:none}
  .yx-progress{transition:none}
}