.page-yiyang{
  --yy-ink:#101923;
  --yy-graphite:#202a33;
  --yy-steel:#65737d;
  --yy-grid:#c7d0d3;
  --yy-paper:#f3f1e8;
  --yy-white:#fffdf7;
  --yy-yellow:#f3c217;
  --yy-orange:#f05a28;
  --yy-blue:#1375c4;
  --yy-green:#4f8a72;
  color:var(--yy-ink);
  background:var(--yy-paper);
}
.page-yiyang main{overflow:hidden;background:var(--yy-paper)}
.page-yiyang .city-breadcrumb{background:#e3eef4;border-bottom:1px solid rgba(16,25,35,.1)}
.page-yiyang .city-breadcrumb .city-shell{padding-top:18px;padding-bottom:18px}
.page-yiyang .yy-hero{position:relative;padding:54px 0 72px;background:linear-gradient(180deg,#e3eef4 0,#f3f1e8 48%,#ddd9ce 100%)}
.page-yiyang .yy-hero:before{content:"";position:absolute;inset:0;opacity:.28;pointer-events:none;background-image:linear-gradient(rgba(16,25,35,.22) 1px,transparent 1px),linear-gradient(90deg,rgba(16,25,35,.22) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,transparent 0,#000 22%,#000 78%,transparent 100%)}
.page-yiyang .yy-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:28px;align-items:stretch}
.page-yiyang .yy-hero-copy{display:flex;flex-direction:column;justify-content:center;padding:42px 6px 42px 0}
.page-yiyang .yy-kicker{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 30px;padding:10px 0;border-top:8px solid var(--yy-ink);border-bottom:1px solid var(--yy-grid);font-size:12px;font-weight:900;letter-spacing:.13em;color:var(--yy-orange)}
.page-yiyang .yy-kicker b{padding:5px 9px;background:var(--yy-yellow);color:var(--yy-ink);letter-spacing:.08em}
.page-yiyang .yy-hero h1{max-width:650px;margin:0;font-size:58px;line-height:.98;letter-spacing:-.055em;font-weight:950;color:var(--yy-ink)}
.page-yiyang .yy-lead{max-width:590px;margin:30px 0 0;font-size:18px;line-height:1.9;color:#4a5963}
.page-yiyang .yy-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.page-yiyang .yy-hero-actions a{display:inline-flex;align-items:center;min-height:48px;padding:0 22px;border:2px solid var(--yy-ink);font-weight:900;color:var(--yy-ink);background:var(--yy-yellow);box-shadow:6px 6px 0 var(--yy-ink);transition:transform .2s ease,box-shadow .2s ease}
.page-yiyang .yy-hero-actions a:last-child{background:var(--yy-white)}
.page-yiyang .yy-hero-actions a:hover{transform:translate(3px,3px);box-shadow:3px 3px 0 var(--yy-ink)}
.page-yiyang .yy-rail-card{display:grid;grid-template-columns:minmax(0,1.38fr) minmax(260px,.62fr);border:8px solid var(--yy-ink);background:var(--yy-white);box-shadow:18px 18px 0 rgba(16,25,35,.16)}
.page-yiyang .yy-rail-card figure{position:relative;margin:0;min-height:620px;background:var(--yy-graphite);overflow:hidden}
.page-yiyang .yy-rail-card figure img{width:100%;height:100%;min-height:620px;object-fit:cover;display:block}
.page-yiyang .yy-rail-card figcaption{position:absolute;left:12px;bottom:12px;max-width:78%;padding:8px 10px;background:rgba(16,25,35,.88);color:#fff;font-size:12px;line-height:1.55}
.page-yiyang .yy-route-console{display:flex;flex-direction:column;padding:28px 22px;background:var(--yy-graphite);color:#fff;border-left:3px solid var(--yy-yellow)}
.page-yiyang .yy-route-console small{font-size:12px;font-weight:900;letter-spacing:.16em;color:var(--yy-yellow)}
.page-yiyang .yy-route-console>strong{margin-top:30px;font-size:27px;line-height:1.15}
.page-yiyang .yy-route-console>p{margin:16px 0 24px;color:#c8d1d6;line-height:1.75}
.page-yiyang .yy-route-buttons{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:auto}
.page-yiyang .yy-route-buttons button{min-height:86px;padding:10px;border:1px solid #56636c;background:#2b3740;color:#fff;text-align:left;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease}
.page-yiyang .yy-route-buttons button i{display:block;font-size:11px;font-style:normal;color:#94a3ad}
.page-yiyang .yy-route-buttons button span{display:block;margin-top:16px;font-size:15px;font-weight:900}
.page-yiyang .yy-route-buttons button[aria-pressed="true"]{background:var(--yy-yellow);border-color:var(--yy-yellow);color:var(--yy-ink)}
.page-yiyang .yy-route-buttons button[aria-pressed="true"] i{color:var(--yy-orange)}
.page-yiyang .city-section{padding:100px 0}
.page-yiyang .yy-section-head{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:60px;align-items:end;margin-bottom:38px;padding-top:14px;border-top:9px solid var(--yy-ink)}
.page-yiyang .yy-section-head>div>p{margin:0 0 15px;font-size:12px;font-weight:950;letter-spacing:.16em;color:var(--yy-orange)}
.page-yiyang .yy-section-head h2{max-width:820px;margin:0;font-size:46px;line-height:1.05;letter-spacing:-.045em;font-weight:950}
.page-yiyang .yy-section-head aside{padding:16px 0 3px;border-top:1px solid var(--yy-grid);font-size:16px;line-height:1.82;color:#596771}
.page-yiyang .yy-section-head.is-dark{border-color:var(--yy-yellow)}
.page-yiyang .yy-section-head.is-dark h2{color:#fff}
.page-yiyang .yy-section-head.is-dark aside{color:#bcc7cd;border-color:#56636c}
.page-yiyang .city-section-head h2{font-size:46px;line-height:1.05;letter-spacing:-.045em}
.page-yiyang .yy-bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:12px}
.page-yiyang .yy-tile{position:relative;min-width:0;padding:25px;border:2px solid var(--yy-ink);background:var(--yy-white);box-shadow:6px 6px 0 rgba(16,25,35,.12)}
.page-yiyang .yy-tile:before{content:"";position:absolute;top:0;left:0;width:38px;height:7px;background:var(--yy-blue)}
.page-yiyang .yy-tile small{display:block;font-size:11px;font-weight:950;letter-spacing:.14em;color:var(--yy-orange)}
.page-yiyang .yy-tile h3{margin:28px 0 10px;font-size:25px;line-height:1.12}
.page-yiyang .yy-tile p{margin:0;line-height:1.8;color:#58656e}
.page-yiyang .yy-tile b{display:block;margin-top:28px;font-size:12px;line-height:1.5;letter-spacing:.06em}
.page-yiyang .yy-tile em{display:block;margin-top:28px;color:var(--yy-orange);font-size:12px;font-style:normal;font-weight:900}
.page-yiyang .yy-tile-safety{background:var(--yy-yellow)}
.page-yiyang .yy-tile-safety:before{background:var(--yy-orange)}
.page-yiyang .yy-tile-safety small,.page-yiyang .yy-tile-safety p{color:var(--yy-ink)}
.page-yiyang .yy-tile-dark{background:var(--yy-graphite);color:#fff;border-color:#0c1115}
.page-yiyang .yy-tile-dark:before{background:var(--yy-yellow)}
.page-yiyang .yy-tile-dark p{color:#c6d0d5}
.page-yiyang .yy-tile-blue{background:var(--yy-blue);color:#fff;border-color:#0a4e87}
.page-yiyang .yy-tile-blue:before{background:var(--yy-yellow)}
.page-yiyang .yy-tile-blue p{color:#e2f1fb}
.page-yiyang .yy-tile-image{padding:0;overflow:hidden;background:var(--yy-graphite)}
.page-yiyang .yy-tile-image:before{z-index:2;width:100%;background:linear-gradient(90deg,var(--yy-yellow) 0 16%,var(--yy-orange) 16% 32%,var(--yy-blue) 32% 64%,transparent 64%)}
.page-yiyang .yy-tile-image img{display:block;width:100%;height:100%;min-height:410px;object-fit:cover}
.page-yiyang .yy-tile-image figcaption{position:absolute;left:14px;bottom:14px;max-width:78%;padding:8px 10px;background:rgba(16,25,35,.88);color:#fff;font-size:12px;line-height:1.55}
.page-yiyang .yy-register-grid .yy-tile-image{grid-column:span 7;grid-row:span 2}
.page-yiyang .yy-register-grid article{grid-column:span 5}
.page-yiyang .yy-register-grid article:nth-of-type(3),.page-yiyang .yy-register-grid article:nth-of-type(4){grid-column:span 6}
.page-yiyang .yy-industry{background:var(--yy-ink);color:#fff}
.page-yiyang .yy-industry-grid .yy-tile{grid-column:span 3}
.page-yiyang .yy-industry-grid .yy-tile-tall{grid-row:span 2;background:#27333d;color:#fff;border-color:#596670}
.page-yiyang .yy-industry-grid .yy-tile-tall p{color:#c6d0d5}
.page-yiyang .yy-industry-grid .yy-tile-wide{grid-column:span 9;min-height:470px;border-color:#596670}
.page-yiyang .yy-industry-grid article:nth-of-type(2){grid-column:span 4}
.page-yiyang .yy-industry-grid article:nth-of-type(3){grid-column:span 5}
.page-yiyang .yy-industry-grid article:nth-of-type(4),.page-yiyang .yy-industry-grid article:nth-of-type(5){grid-column:span 4}
.page-yiyang .yy-platform{background:#dfe9ec}
.page-yiyang .yy-platform-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(330px,.45fr);gap:12px}
.page-yiyang .yy-platform-shot{padding:0;min-height:560px}
.page-yiyang .yy-platform-shot img{display:block;width:100%;height:100%;min-height:560px;object-fit:cover;object-position:left top}
.page-yiyang .yy-platform-shot figcaption{position:absolute;left:14px;bottom:14px;padding:8px 10px;background:var(--yy-ink);color:#fff;font-size:12px}
.page-yiyang .yy-workspace-bento{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.page-yiyang .yy-workspace-bento .yy-tile{display:flex;flex-direction:column;min-height:274px}
.page-yiyang .yy-workspace-bento .yy-tile b{margin:0;color:var(--yy-orange)}
.page-yiyang .yy-workspace-bento .yy-tile h3{margin-top:auto}
.page-yiyang .yy-platform-meta{display:grid;grid-template-columns:repeat(3,1fr) auto;margin-top:12px;border:2px solid var(--yy-ink);background:var(--yy-white)}
.page-yiyang .yy-platform-meta span,.page-yiyang .yy-platform-meta a{display:flex;align-items:center;justify-content:center;min-height:64px;padding:12px;border-right:1px solid var(--yy-grid);font-weight:950}
.page-yiyang .yy-platform-meta a{border:0;background:var(--yy-orange);color:#fff}
.page-yiyang .yy-growth{background:var(--yy-white)}
.page-yiyang .yy-growth-grid .yy-tile-wide{grid-column:span 8;grid-row:span 2;min-height:540px}
.page-yiyang .yy-growth-grid article{grid-column:span 4}
.page-yiyang .yy-growth-grid article:nth-of-type(3),.page-yiyang .yy-growth-grid article:nth-of-type(4){grid-column:span 3}
.page-yiyang .yy-growth-links{grid-column:span 6;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.page-yiyang .yy-growth-links a{display:flex;align-items:center;justify-content:center;min-height:82px;border:2px solid var(--yy-ink);background:var(--yy-paper);color:var(--yy-ink);font-size:16px;font-weight:950;box-shadow:6px 6px 0 var(--yy-ink)}
.page-yiyang .yy-growth-links a:last-child{background:var(--yy-yellow)}
.page-yiyang .yy-standard{background:#e5e1d6}
.page-yiyang .yy-guardrail{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:38px;padding-top:35px}
.page-yiyang .yy-guardrail:before{content:"";position:absolute;top:12px;left:7%;right:7%;height:10px;background:repeating-linear-gradient(90deg,var(--yy-ink) 0 48px,var(--yy-yellow) 48px 72px,var(--yy-orange) 72px 82px)}
.page-yiyang .yy-guardrail article{position:relative;min-height:220px;padding:24px;border:2px solid var(--yy-ink);background:var(--yy-white)}
.page-yiyang .yy-guardrail article:before{content:"";position:absolute;top:-35px;left:24px;width:18px;height:18px;border:6px solid var(--yy-ink);border-radius:50%;background:var(--yy-yellow)}
.page-yiyang .yy-guardrail i{font-size:12px;font-style:normal;font-weight:950;color:var(--yy-orange)}
.page-yiyang .yy-guardrail b{display:block;margin:54px 0 12px;font-size:27px}
.page-yiyang .yy-guardrail p{margin:0;color:#5f6b72;line-height:1.75}
.page-yiyang .yy-articles{background:#dce4e5}
.page-yiyang .yy-article-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:12px}
.page-yiyang .yy-article-grid a{position:relative;display:flex;flex-direction:column;grid-column:span 4;min-height:245px;padding:25px;border:2px solid var(--yy-ink);background:var(--yy-white);color:var(--yy-ink);box-shadow:6px 6px 0 rgba(16,25,35,.15)}
.page-yiyang .yy-article-grid a:nth-child(1),.page-yiyang .yy-article-grid a:nth-child(2){grid-column:span 6}
.page-yiyang .yy-article-grid a:nth-child(3){background:var(--yy-yellow)}
.page-yiyang .yy-article-grid a:nth-child(4){background:var(--yy-blue);color:#fff}
.page-yiyang .yy-article-grid a:nth-child(5){background:var(--yy-graphite);color:#fff}
.page-yiyang .yy-article-grid a:before{content:"";position:absolute;top:0;left:0;width:44px;height:8px;background:var(--yy-orange)}
.page-yiyang .yy-article-grid b{font-size:11px;letter-spacing:.12em;color:var(--yy-orange)}
.page-yiyang .yy-article-grid a:nth-child(4) b,.page-yiyang .yy-article-grid a:nth-child(5) b{color:var(--yy-yellow)}
.page-yiyang .yy-article-grid h3{margin:42px 0 32px;font-size:22px;line-height:1.45}
.page-yiyang .yy-article-grid span{margin-top:auto;font-size:12px;font-weight:900}
.page-yiyang .yy-faq{background:var(--yy-white)}
.page-yiyang .yy-faq .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.page-yiyang .yy-faq details{border:2px solid var(--yy-ink);background:var(--yy-paper)}
.page-yiyang .yy-faq details[open]{background:#fff7cb}
.page-yiyang .yy-faq summary{position:relative;padding:24px 58px 24px 24px;font-size:17px;font-weight:900;line-height:1.55;cursor:pointer;list-style:none}
.page-yiyang .yy-faq summary::-webkit-details-marker{display:none}
.page-yiyang .yy-faq summary:after{content:"+";position:absolute;top:18px;right:19px;display:grid;place-items:center;width:31px;height:31px;background:var(--yy-yellow);border:2px solid var(--yy-ink);font-size:20px}
.page-yiyang .yy-faq details[open] summary:after{content:"−";background:var(--yy-orange);color:#fff}
.page-yiyang .yy-faq details p{margin:0;padding:0 24px 25px;color:#56636c;line-height:1.85}
.page-yiyang .yy-final{background:var(--yy-ink);color:#fff}
.page-yiyang .yy-final .city-shell{display:grid;grid-template-columns:1.25fr .75fr;gap:70px;align-items:end}
.page-yiyang .yy-final h2{font-size:46px;line-height:1.05;letter-spacing:-.04em}
.page-yiyang .yy-final p{color:#c5d0d6;line-height:1.8}
.page-yiyang .yy-final a{display:inline-flex;margin-top:18px;min-height:48px;padding:0 24px;align-items:center;background:var(--yy-orange);color:#fff;font-weight:950;box-shadow:6px 6px 0 var(--yy-yellow)}
.page-yiyang .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.page-yiyang .reveal.is-visible{opacity:1;transform:none}
@media (max-width:1100px){
  .page-yiyang .yy-hero-grid{grid-template-columns:1fr}
  .page-yiyang .yy-hero-copy{padding:16px 0 0}
  .page-yiyang .yy-hero h1{max-width:900px}
  .page-yiyang .yy-platform-grid{grid-template-columns:1fr}
  .page-yiyang .yy-industry-grid .yy-tile-wide{grid-column:span 8}
  .page-yiyang .yy-industry-grid .yy-tile-tall{grid-column:span 4}
}
@media (max-width:700px){
  .page-yiyang .city-breadcrumb .city-shell{padding-top:14px;padding-bottom:14px}
  .page-yiyang .yy-hero{padding:34px 0 50px}
  .page-yiyang .yy-hero-grid{gap:22px}
  .page-yiyang .yy-kicker{display:grid;justify-content:start;gap:8px;margin-bottom:22px;border-top-width:6px}
  .page-yiyang .yy-kicker b{width:max-content}
  .page-yiyang .yy-hero h1{font-size:38px;line-height:1.01;letter-spacing:-.05em}
  .page-yiyang .yy-lead{margin-top:22px;font-size:16px;line-height:1.8}
  .page-yiyang .yy-hero-actions{display:grid;grid-template-columns:1fr 1fr;margin-top:26px}
  .page-yiyang .yy-hero-actions a{justify-content:center;padding:0 12px;font-size:14px;box-shadow:4px 4px 0 var(--yy-ink)}
  .page-yiyang .yy-rail-card{grid-template-columns:1fr;border-width:6px;box-shadow:9px 9px 0 rgba(16,25,35,.14)}
  .page-yiyang .yy-rail-card figure,.page-yiyang .yy-rail-card figure img{min-height:0}
  .page-yiyang .yy-rail-card figure img{aspect-ratio:3/4;object-fit:cover}
  .page-yiyang .yy-rail-card figcaption{position:static;max-width:none;background:var(--yy-ink)}
  .page-yiyang .yy-route-console{border-left:0;border-top:4px solid var(--yy-yellow);padding:22px 17px}
  .page-yiyang .yy-route-console>strong{margin-top:20px;font-size:23px}
  .page-yiyang .yy-route-buttons{margin-top:10px}
  .page-yiyang .yy-route-buttons button{min-height:76px}
  .page-yiyang .city-section{padding:72px 0}
  .page-yiyang .yy-section-head{grid-template-columns:1fr;gap:18px;margin-bottom:25px;border-top-width:7px}
  .page-yiyang .yy-section-head h2{font-size:31px;line-height:1.08}
  .page-yiyang .city-section-head h2{font-size:31px;line-height:1.08}
  .page-yiyang .yy-section-head aside{padding-top:12px;font-size:15px}
  .page-yiyang .yy-bento{grid-template-columns:1fr;gap:10px}
  .page-yiyang .yy-register-grid .yy-tile-image,.page-yiyang .yy-register-grid article,.page-yiyang .yy-register-grid article:nth-of-type(3),.page-yiyang .yy-register-grid article:nth-of-type(4),.page-yiyang .yy-industry-grid .yy-tile,.page-yiyang .yy-industry-grid .yy-tile-wide,.page-yiyang .yy-industry-grid .yy-tile-tall,.page-yiyang .yy-industry-grid article:nth-of-type(2),.page-yiyang .yy-industry-grid article:nth-of-type(3),.page-yiyang .yy-industry-grid article:nth-of-type(4),.page-yiyang .yy-industry-grid article:nth-of-type(5),.page-yiyang .yy-growth-grid .yy-tile-wide,.page-yiyang .yy-growth-grid article,.page-yiyang .yy-growth-grid article:nth-of-type(3),.page-yiyang .yy-growth-grid article:nth-of-type(4),.page-yiyang .yy-growth-links{grid-column:1}
  .page-yiyang .yy-tile{padding:21px;box-shadow:4px 4px 0 rgba(16,25,35,.12)}
  .page-yiyang .yy-tile h3{margin-top:24px;font-size:23px}
  .page-yiyang .yy-tile-image{padding:0}
  .page-yiyang .yy-tile-image img{min-height:0;aspect-ratio:3/2}
  .page-yiyang .yy-tile-image figcaption{position:static;max-width:none;background:var(--yy-ink)}
  .page-yiyang .yy-industry-grid .yy-tile-tall{grid-row:auto}
  .page-yiyang .yy-platform-shot{min-height:0}
  .page-yiyang .yy-platform-shot img{min-height:0;aspect-ratio:16/10;object-fit:cover;object-position:left top}
  .page-yiyang .yy-platform-shot figcaption{position:static}
  .page-yiyang .yy-workspace-bento{grid-template-columns:1fr 1fr;gap:8px}
  .page-yiyang .yy-workspace-bento .yy-tile{min-height:220px;padding:17px}
  .page-yiyang .yy-workspace-bento .yy-tile h3{font-size:20px}
  .page-yiyang .yy-platform-meta{grid-template-columns:1fr 1fr}
  .page-yiyang .yy-platform-meta span,.page-yiyang .yy-platform-meta a{min-height:58px;border-bottom:1px solid var(--yy-grid)}
  .page-yiyang .yy-platform-meta a{grid-column:1/-1}
  .page-yiyang .yy-growth-grid .yy-tile-wide{grid-row:auto;min-height:0}
  .page-yiyang .yy-growth-links{grid-template-columns:1fr 1fr}
  .page-yiyang .yy-guardrail{grid-template-columns:1fr 1fr;gap:34px 10px}
  .page-yiyang .yy-guardrail:before{left:4%;right:4%}
  .page-yiyang .yy-guardrail article{min-height:190px;padding:20px}
  .page-yiyang .yy-guardrail article:nth-child(n+3):before{display:none}
  .page-yiyang .yy-guardrail b{margin-top:40px;font-size:23px}
  .page-yiyang .yy-article-grid{grid-template-columns:1fr;gap:10px}
  .page-yiyang .yy-article-grid a,.page-yiyang .yy-article-grid a:nth-child(1),.page-yiyang .yy-article-grid a:nth-child(2){grid-column:1;min-height:220px;padding:22px}
  .page-yiyang .yy-article-grid h3{margin-top:34px;font-size:20px}
  .page-yiyang .yy-faq .faq-list{grid-template-columns:1fr}
  .page-yiyang .yy-faq summary{padding:21px 54px 21px 20px;font-size:16px}
  .page-yiyang .yy-faq details p{padding:0 20px 22px}
  .page-yiyang .yy-final .city-shell{grid-template-columns:1fr;gap:25px}
  .page-yiyang .yy-final h2{font-size:32px}
}
@media (prefers-reduced-motion:reduce){
  .page-yiyang{scroll-behavior:auto}
  .page-yiyang .reveal{opacity:1;transform:none;transition:none}
  .page-yiyang .yy-hero-actions a,.page-yiyang .yy-route-buttons button{transition:none}
}