/*
Theme Name: YIGE Growth Theme
Theme URI: https://jinanyige.com/
Description: YIGE SEO Growth 2.0 frontend theme focused on search intent, product discovery, knowledge and project solutions.
Version: 2.0.0
Author: YIGE TECH
*/
:root{--brand:#c91d16;--ink:#18212f;--muted:#667085;--soft:#f6f7f9;--line:#e7eaf0;--max:1180px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;line-height:1.7}a{color:inherit;text-decoration:none}a:hover{color:var(--brand)}.container{width:min(calc(100% - 32px),var(--max));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.header-inner{min-height:68px;display:flex;align-items:center;gap:26px}.logo{display:flex;gap:10px;align-items:center;font-weight:900}.logo-mark{width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center}.nav{display:flex;gap:18px;align-items:center;font-weight:700;font-size:14px}.nav a.current{color:var(--brand)}.header-search{margin-left:auto}.header-search input{width:230px;padding:9px 12px;border:1px solid var(--line);border-radius:9px}.hero{background:linear-gradient(180deg,#fff,#fafbfc);padding:78px 0 58px;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}.eyebrow{font-size:11px;letter-spacing:.12em;color:var(--brand);font-weight:900}.hero h1{font-size:48px;line-height:1.18;margin:12px 0}.hero h1 em{font-style:normal;color:var(--brand)}.hero p{font-size:18px;color:var(--muted);max-width:760px}.hero-search{display:flex;gap:8px;margin-top:22px}.hero-search input{flex:1;padding:15px 16px;border:1px solid #dfe3ea;border-radius:12px;font-size:16px}.btn-primary{background:var(--brand);color:#fff;border:0;border-radius:10px;padding:12px 16px;font-weight:800;cursor:pointer}.btn-secondary{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;font-weight:800}.hero-side{padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 16px 40px rgba(15,23,42,.06)}.path{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--line)}.path:last-child{border-bottom:0}.section{padding:58px 0}.section.alt{background:var(--soft)}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:18px}.section-head h2{margin:6px 0;font-size:31px}.section-head p{color:var(--muted);margin:0}.grid{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{display:block;border:1px solid var(--line);border-radius:16px;background:#fff;padding:20px;transition:transform .18s ease,box-shadow .18s ease}.card:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,23,42,.06)}.card h3{margin:7px 0}.card p{color:var(--muted);font-size:14px}.card .meta{font-size:12px;color:#98a2b3}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.quick-link{padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}.quick-link strong{display:block;font-size:18px}.quick-link span{color:var(--muted);font-size:13px}.growth-page{padding:42px 0 70px}.page-intro{max-width:860px;padding:22px 0 30px}.page-intro h1{font-size:42px;line-height:1.2;margin:8px 0}.page-intro p{color:var(--muted);font-size:17px}.growth-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.growth-card{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}.growth-card h2{margin:8px 0;font-size:22px}.growth-card p{color:var(--muted)}.growth-card strong{font-size:13px;color:var(--brand)}.growth-section-head{display:flex;justify-content:space-between;align-items:center;margin:34px 0 14px}.growth-section-head h2{margin:0}.product-layout{display:grid;grid-template-columns:1fr 1fr;gap:42px;padding:42px 0}.product-main-image{width:100%;aspect-ratio:4/3;object-fit:contain;border:1px solid var(--line);border-radius:16px;background:#fafbfc}.product-title{font-size:40px;line-height:1.2;margin:10px 0}.muted{color:var(--muted)}.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);margin-top:20px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.spec{padding:11px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.spec strong{display:block;color:#98a2b3;font-size:11px}.spec span{font-size:14px}.content-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px}.content-card{padding:28px;border:1px solid var(--line);border-radius:16px;background:#fff}.content-card h2{margin-top:30px}.aside-card{position:sticky;top:92px;padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff}.faq-item{border:1px solid var(--line);border-radius:10px;padding:12px;margin:10px 0}.faq-item summary{font-weight:800;cursor:pointer}.calculator{max-width:760px;display:grid;gap:14px;padding:26px;border:1px solid var(--line);border-radius:18px;background:#fff}.calculator label{display:grid;gap:6px;font-weight:700}.calculator input{padding:11px;border:1px solid var(--line);border-radius:9px}.calc-result{padding:18px;border-radius:12px;background:var(--soft);font-size:24px;font-weight:900}.city-list{display:flex;gap:10px;flex-wrap:wrap}.city-list span{padding:9px 13px;border-radius:999px;background:var(--soft);border:1px solid var(--line)}.sitemap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.sitemap-grid section{display:grid;align-content:start;gap:7px}.sitemap-grid h2{margin-top:0}.site-footer{background:#111827;color:#cbd5e1;padding:42px 0 24px;margin-top:0}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}.site-footer h3{color:#fff}.footer-bottom{padding-top:18px;margin-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#98a2b3}
@media(max-width:980px){.hero-grid,.product-layout,.content-shell{grid-template-columns:1fr}.grid-3,.growth-grid{grid-template-columns:repeat(2,1fr)}.grid-4,.quick-grid,.sitemap-grid{grid-template-columns:repeat(2,1fr)}.aside-card{position:static}.header-search{display:none}}
@media(max-width:680px){.container{width:min(calc(100% - 24px),var(--max))}.header-inner{flex-wrap:wrap;padding:9px 0}.nav{width:100%;overflow:auto;order:3;padding-bottom:3px}.hero{padding:50px 0 38px}.hero h1{font-size:36px}.hero-search{flex-direction:column}.grid-3,.grid-4,.quick-grid,.growth-grid,.sitemap-grid{grid-template-columns:1fr}.section{padding:44px 0}.product-title{font-size:32px}.spec-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}}