:root {
  --navy: #071d31;
  --navy-2: #0d2942;
  --paper: #f6f3eb;
  --white: #fffdf8;
  --ink: #202a31;
  --muted: #63717a;
  --mist: #a9c8c5;
  --wine: #7b2936;
  --brass: #b58b4b;
  --line: rgba(7,29,49,.14);
  --shadow: 0 22px 60px rgba(7,29,49,.12);
  --serif: "Noto Serif SC","Songti SC",Georgia,serif;
  --sans: "Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.75}
body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:radial-gradient(rgba(7,29,49,.18) .55px,transparent .55px);background-size:7px 7px;z-index:9}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit}
.xs302-govcn{position:relative}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 14px;color:var(--wine);font-size:.72rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--brass)}
.section-head{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:end;margin-bottom:42px}
.section-head h2,.page-intro h1{margin:0;font-family:var(--serif);font-weight:600;line-height:1.22;letter-spacing:-.03em}
.section-head h2{font-size:clamp(2rem,4vw,3.6rem)}
.section-head p{margin:0;color:var(--muted)}
.site-header{position:fixed;inset:0 0 auto;z-index:50;border-bottom:1px solid rgba(255,255,255,.16);color:#fff;transition:.3s;background:linear-gradient(to bottom,rgba(7,29,49,.72),transparent)}
.site-header.scrolled,.inner-page .site-header{background:rgba(7,29,49,.96);box-shadow:0 10px 30px rgba(0,0,0,.16);backdrop-filter:blur(14px)}
.nav-wrap{height:88px;display:flex;align-items:center;justify-content:space-between}
.brand{display:block;padding:5px 0}
.brand img{width:220px;height:auto}
.nav-links{display:flex;align-items:center;gap:28px;font-size:.92rem}
.nav-links a{position:relative;padding:31px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:22px;height:2px;background:var(--brass);transition:.25s}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{right:0}
.menu-toggle{display:none;border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;width:44px;height:44px;border-radius:50%}
.hero{min-height:820px;display:flex;align-items:center;position:relative;color:#fff;background:var(--navy);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,29,49,.98) 0%,rgba(7,29,49,.84) 38%,rgba(7,29,49,.08) 76%),url("../images/hero-yingchao-brand.jpg") center/cover}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr .78fr;gap:70px;align-items:center;padding-top:100px}
.hero-copy{max-width:660px}
.hero h1{font-family:var(--serif);font-size:clamp(3.2rem,7vw,6.7rem);font-weight:500;line-height:1.03;letter-spacing:-.05em;margin:10px 0 25px}
.hero h1 span{display:block;color:var(--brass);font-size:.33em;letter-spacing:.15em;margin-top:18px}
.hero-copy>p{max-width:590px;color:#cfdae1;font-size:1.05rem}
.actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border:1px solid var(--brass);font-size:.88rem;font-weight:700;letter-spacing:.06em;transition:.25s}
.btn.primary{background:var(--brass);color:var(--navy)}
.btn:hover{transform:translateY(-2px);background:#d0aa6b;color:var(--navy)}
.hub-orbit{justify-self:end;width:min(420px,100%);aspect-ratio:1;border:1px solid rgba(255,255,255,.22);border-radius:50%;display:grid;place-items:center;position:relative;background:radial-gradient(circle,rgba(169,200,197,.16),transparent 62%);backdrop-filter:blur(5px)}
.hub-core{text-align:center;border:1px solid var(--brass);width:180px;height:180px;border-radius:50%;display:grid;place-content:center;background:rgba(7,29,49,.78)}
.hub-core strong{font-family:var(--serif);font-size:1.45rem;letter-spacing:.09em}.hub-core small{color:var(--brass);letter-spacing:.18em}
.hub-orbit span{position:absolute;background:var(--paper);color:var(--navy);padding:7px 13px;font-size:.66rem;font-weight:800;letter-spacing:.12em;box-shadow:0 8px 30px rgba(0,0,0,.2)}
.hub-orbit span:nth-of-type(1){top:5%;left:43%}.hub-orbit span:nth-of-type(2){top:26%;right:-3%}.hub-orbit span:nth-of-type(3){bottom:22%;right:0}.hub-orbit span:nth-of-type(4){bottom:4%;left:37%}.hub-orbit span:nth-of-type(5){bottom:22%;left:-2%}.hub-orbit span:nth-of-type(6){top:26%;left:-3%}
.section{padding:110px 0}
.section.dark{background:var(--navy);color:#fff}.section.dark .section-head p{color:#b8c7cf}.section.tint{background:#e8efec}
.index-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.index-card{padding:30px;min-height:250px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;transition:.3s;background:rgba(255,255,255,.18)}
.index-card:hover{background:var(--white);transform:translateY(-6px);box-shadow:var(--shadow)}
.card-no{font-family:var(--serif);font-size:2.5rem;color:var(--brass)}
.index-card h3{margin:28px 0 6px;font-family:var(--serif);font-size:1.35rem}.index-card p{margin:0;color:var(--muted);font-size:.9rem}
.feature{display:grid;grid-template-columns:1.05fr .95fr;gap:0;align-items:stretch;background:var(--white);box-shadow:var(--shadow)}
.feature.reverse{grid-template-columns:.95fr 1.05fr}.feature.reverse .feature-image{order:2}
.feature-image{min-height:520px;object-fit:cover;width:100%;height:100%}
.feature-copy{padding:clamp(40px,7vw,86px);display:flex;flex-direction:column;justify-content:center}
.feature-copy h2{font-family:var(--serif);font-size:clamp(2rem,4vw,3.6rem);font-weight:500;line-height:1.2;margin:0 0 22px}.feature-copy p{color:var(--muted)}
.mini-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}.mini-list li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}.mini-list li::after{content:"↗";color:var(--brass)}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{padding:35px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.04);min-height:230px;transition:.3s}.service-card:hover{border-color:var(--brass);background:rgba(255,255,255,.08)}
.service-icon{width:42px;height:42px;border:1px solid var(--brass);display:grid;place-items:center;color:var(--brass);margin-bottom:30px}.service-card h3{font-family:var(--serif);font-size:1.3rem}.service-card p{color:#afbec7;font-size:.9rem}
.editorial-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:26px}.story{background:var(--white);overflow:hidden}.story img{width:100%;height:320px;object-fit:cover}.story-body{padding:30px}.story h3{font-family:var(--serif);font-size:1.8rem;margin:0 0 12px}.story p{color:var(--muted)}
.story-stack{display:grid;gap:20px}.story-note{border-top:3px solid var(--brass);padding:26px;background:var(--white)}.story-note small{color:var(--wine);font-weight:800}.story-note h3{font-family:var(--serif);margin:10px 0}
.guide-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.step{padding:34px;background:var(--white);border-bottom:4px solid var(--mist)}.step b{font-family:var(--serif);font-size:3rem;color:var(--mist)}.step h3{font-family:var(--serif);font-size:1.35rem}.step p{color:var(--muted)}
.news-list{border-top:1px solid var(--line)}.news-row{display:grid;grid-template-columns:130px 1fr auto;gap:30px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}.news-row time{color:var(--wine);font-size:.82rem}.news-row h3{margin:0;font-family:var(--serif);font-weight:500}.news-row span{color:var(--brass)}
.faq-list{max-width:900px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;text-align:left;padding:22px 0;border:0;background:none;color:var(--ink);font-weight:700;cursor:pointer}.faq-question::after{content:"＋";color:var(--brass);font-size:1.3rem}.faq-item.open .faq-question::after{content:"−"}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s}.faq-answer p{margin:0;padding:0 50px 24px 0;color:var(--muted)}
.page-hero{padding:190px 0 100px;background:var(--navy);color:#fff;position:relative;overflow:hidden}.page-hero::after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(181,139,75,.35);border-radius:50%;right:-80px;top:50px;box-shadow:0 0 0 70px rgba(169,200,197,.04),0 0 0 140px rgba(169,200,197,.03)}
.breadcrumbs{font-size:.78rem;color:#b7c5cd;margin-bottom:30px}.breadcrumbs span{color:var(--brass);margin:0 9px}.page-intro{max-width:800px}.page-intro h1{font-size:clamp(2.6rem,6vw,5.2rem)}.page-intro p{max-width:650px;color:#c5d0d6;font-size:1.05rem}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}.filter-btn{border:1px solid var(--line);background:transparent;padding:9px 18px;cursor:pointer}.filter-btn.active,.filter-btn:hover{background:var(--navy);color:#fff}
[data-filter-item].hidden{display:none}
.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.principle{padding:34px;background:var(--white);border-left:3px solid var(--brass)}.principle h3{font-family:var(--serif);font-size:1.4rem}.principle p{color:var(--muted)}
.cta-band{background:var(--wine);color:#fff;padding:55px 0}.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-band h2{font-family:var(--serif);font-size:2rem;margin:0}
.site-footer{background:#041522;color:#b8c4ca;padding:70px 0 24px}.footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:70px;padding-bottom:50px}.footer-brand img{width:220px;margin-bottom:22px}.footer-brand p{max-width:380px;font-size:.9rem}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.footer-links h3{font-size:.78rem;color:var(--brass);letter-spacing:.13em}.footer-links a{display:block;margin:9px 0;font-size:.88rem}.footer-bottom{padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:.76rem}.records{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.records img{width:20px;display:inline-block;vertical-align:middle;margin-right:5px}.back-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border:0;background:var(--brass);color:var(--navy);z-index:30;opacity:0;pointer-events:none;transition:.25s}.back-top.show{opacity:1;pointer-events:auto}
.reveal{opacity:0;transform:translateY(24px);transition:.7s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){.nav-links{position:fixed;inset:88px 0 auto;background:var(--navy);padding:25px 30px;display:grid;transform:translateY(-140%);transition:.3s}.nav-links.open{transform:none}.nav-links a{padding:10px 0}.menu-toggle{display:block}.hero{min-height:760px}.hero-inner{grid-template-columns:1fr}.hub-orbit{display:none}.index-grid{grid-template-columns:repeat(2,1fr)}.feature,.feature.reverse{grid-template-columns:1fr}.feature.reverse .feature-image{order:0}.feature-image{min-height:360px}.service-grid,.guide-steps{grid-template-columns:1fr 1fr}.editorial-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.section-head{grid-template-columns:1fr}}
@media(max-width:620px){.container{width:min(100% - 28px,1180px)}.brand img{width:172px}.nav-wrap{height:76px}.section{padding:76px 0}.hero h1{font-size:3.25rem}.index-grid,.service-grid,.guide-steps,.principles{grid-template-columns:1fr}.feature-image{min-height:260px}.news-row{grid-template-columns:1fr;gap:4px}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom,.cta-band .container{align-items:flex-start;flex-direction:column}.page-hero{padding:150px 0 80px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.reveal{opacity:1;transform:none}}