:root{
  --blue:#3d7acf;--blue2:#2a5fa8;--ink:#1c2430;--muted:#5d6b7c;--bg:#f4f7fb;--paper:#fff;--line:#dde5f0;
  --header:64px;--font:"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.8}
a{color:var(--blue);text-underline-offset:3px}a:hover{color:var(--blue2)}
img{max-width:100%;display:block}
.wrap{width:min(1120px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:40;height:var(--header);background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.header-inner{height:var(--header);display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800}
.brand img{width:36px;height:36px;border-radius:8px;object-fit:cover}
.nav-desktop{display:flex;flex-wrap:wrap;gap:14px 18px}
.nav-desktop a{text-decoration:none;color:var(--muted);font-size:.95rem}
.nav-desktop a.is-current,.nav-desktop a:hover{color:var(--blue)}
.menu-toggle{display:none;border:0;background:transparent;width:42px;height:42px;cursor:pointer}
.menu-toggle span{display:block;height:2px;margin:7px 9px;background:var(--ink)}
.nav-mobile{display:none;position:fixed;inset:var(--header) 0 0 0;background:rgba(20,40,70,.45);z-index:39}
.nav-mobile.is-open{display:block}
.nav-mobile-panel{margin-left:auto;width:min(320px,88vw);height:100%;background:#fff;padding:16px;overflow:auto;display:flex;flex-direction:column;gap:2px}
.nav-mobile-panel a{padding:12px 6px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
body.nav-lock{overflow:hidden}
.hero{padding:48px 0 28px;background:linear-gradient(135deg,#3d7acf 0%,#1f4f8f 55%,#173a68 100%);color:#fff;margin-bottom:8px}
.hero h1{margin:0 0 12px;font-size:clamp(1.6rem,3.5vw,2.3rem);line-height:1.3}
.hero p{margin:0;max-width:40rem;opacity:.95}
.hero .btns{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-block;padding:10px 18px;border-radius:8px;text-decoration:none;font-weight:700}
.btn-light{background:#fff;color:var(--blue2)}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff}
.section{padding:34px 0}
.section h2{margin:0 0 8px;font-size:1.45rem;color:#173a68}
.sub{color:var(--blue);font-size:.85rem;font-weight:700;letter-spacing:.04em;margin:0 0 6px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 16px;box-shadow:0 8px 24px rgba(30,60,110,.05)}
.card h3{margin:0 0 8px;font-size:1.05rem;color:#1f4f8f}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stat{background:#fff;border-radius:12px;padding:18px 12px;text-align:center;border:1px solid var(--line)}
.stat b{display:block;font-size:1.8rem;color:var(--blue);line-height:1.1}
.stat span{color:var(--muted);font-size:.9rem}
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.quote{background:#fff;border-left:4px solid var(--blue);padding:14px 16px;border-radius:0 12px 12px 0;border:1px solid var(--line);border-left-width:4px}
.quote p{margin:0 0 8px}
.quote cite{color:var(--muted);font-style:normal;font-size:.9rem}
.news-list{display:grid;gap:12px}
.news-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.news-item h3{margin:0 0 6px;font-size:1.02rem}
.news-item p{margin:0;color:var(--muted)}
.prose p{margin:0 0 14px;color:#334}
.ads-wrap{width:min(1120px,calc(100% - 32px));margin:10px auto}
.site-footer{background:#14233a;color:#c9d6e8;padding:28px 0 34px;margin-top:20px}
.site-footer a{color:#c9d6e8;text-decoration:none}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px}
.site-footer h4{margin:0 0 10px;color:#fff;font-size:1rem}
.site-footer ul{margin:0;padding:0;list-style:none}
.site-footer li{margin:0 0 8px}
@media(max-width:900px){
  .grid-3,.stats,.quotes,.foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-desktop{display:none}
  .menu-toggle{display:inline-block}
  .grid-3,.stats,.quotes,.foot-grid{grid-template-columns:1fr}
}


.hero-visual{margin-top:18px;border-radius:14px;overflow:hidden;max-height:320px}
.hero-visual img{width:100%;height:320px;object-fit:cover}
.page-banner{height:180px;background-size:cover;background-position:center;border-radius:0 0 16px 16px;margin:-8px 0 0}
.card-media{margin:-18px -16px 12px;border-radius:14px 14px 0 0;overflow:hidden;height:140px;background:#dfe8f5}
.card-media img{width:100%;height:140px;object-fit:cover}
.news-item{display:grid;grid-template-columns:140px 1fr;gap:14px;align-items:center}
.news-thumb{width:140px;height:96px;border-radius:10px;overflow:hidden;background:#dfe8f5}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.about-split{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:center}
.about-split img{width:100%;border-radius:14px;object-fit:cover;max-height:360px}
.partner-row{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;align-items:center}
.partner-row img{width:100%;max-height:56px;object-fit:contain;filter:grayscale(.2)}
.quote-avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;margin-bottom:8px;background:#dfe8f5}
.app-shot{max-width:420px;width:100%;border-radius:16px;box-shadow:0 16px 40px rgba(20,40,70,.18);margin:12px 0}
@media(max-width:900px){
  .about-split,.news-item{grid-template-columns:1fr}
  .news-thumb{width:100%;height:160px}
  .partner-row{grid-template-columns:repeat(3,1fr)}
  .hero-visual img{height:200px}
}