:root{
  --bg:#f5f7fb;
  --bg-soft:#eef2f8;
  --panel:#ffffff;
  --panel-2:#0f172a;
  --text:#172033;
  --muted:#5f6b7c;
  --line:#dbe2ee;
  --line-strong:#c9d3e3;
  --accent:#d18a1d;
  --accent-dark:#a76a0d;
  --navy:#10213d;
  --max:1160px;
  --shadow:0 18px 50px rgba(16,33,61,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.75 "Microsoft YaHei",system-ui,sans-serif;background:linear-gradient(180deg,#f7f9fc 0%,#f2f5fa 100%);color:var(--text)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,211,227,.8)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand img{width:70px;height:auto;filter:drop-shadow(0 8px 16px rgba(0,0,0,.08))}
.brand-text strong{display:block;font-size:20px;color:#18243b;line-height:1.2}
.brand-text span{display:block;font-size:13px;color:var(--muted)}
.nav-toggle{display:none;flex-shrink:0;width:44px;height:44px;align-items:center;justify-content:center;border:none;border-radius:12px;background:var(--bg-soft);color:var(--navy);cursor:pointer;font-size:22px;line-height:1;transition:background .2s}
.nav-toggle:hover{background:var(--line)}
.nav-toggle:focus{outline:2px solid var(--accent);outline-offset:2px}
.nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-weight:700;color:#23314d}
.nav a{padding:8px 0;position:relative}
.nav a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:var(--accent);transition:.22s}
.nav a:hover::after,.nav a.active::after{width:100%}
.drawer-overlay{display:none;position:fixed;inset:0;z-index:30;background:rgba(15,33,61,.4);opacity:0;transition:opacity .25s}
.drawer-overlay.is-open{display:block;opacity:1}
.drawer{position:fixed;top:0;right:0;z-index:31;width:min(320px,88vw);height:100%;background:var(--panel);box-shadow:-8px 0 32px rgba(0,0,0,.12);transform:translateX(100%);transition:transform .28s ease;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-inner{padding:24px 20px 32px}
.drawer .brand{padding:8px 0 20px;border-bottom:1px solid var(--line)}
.drawer .brand img{width:56px}
.drawer .brand-text strong{font-size:18px}
.drawer .brand-text span{font-size:12px}
.drawer .nav{flex-direction:column;align-items:stretch;gap:0;padding:16px 0 0}
.drawer .nav a{display:block;padding:14px 12px;font-size:17px;border-radius:10px;color:var(--text)}
.drawer .nav a::after{display:none}
.drawer .nav a:hover{background:var(--bg-soft)}
.drawer .nav a.active{background:linear-gradient(90deg,rgba(209,138,29,.12),transparent);color:var(--accent-dark);font-weight:700;border-left:3px solid var(--accent);padding-left:9px}
.drawer .nav-divider{margin:12px 0;height:1px;background:var(--line)}
.drawer .nav a.nav-about{margin-top:8px}
.hero-shell{padding:28px 0 18px}
.hero-banner{position:relative;overflow:hidden;border-radius:28px;background:linear-gradient(135deg,#0f203c 0%,#182f54 52%,#233d67 100%);box-shadow:var(--shadow)}
.hero-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at right top,rgba(255,255,255,.12),transparent 34%),radial-gradient(circle at left bottom,rgba(209,138,29,.24),transparent 32%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;padding:48px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);font-size:13px;font-weight:700;color:#d9e7ff}
.hero-copy h1{margin:18px 0 16px;font-size:clamp(34px,5vw,58px);line-height:1.08;color:#fff;letter-spacing:.2px}
.lead{margin:0;max-width:640px;font-size:18px;color:#d9e3f0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border-radius:14px;border:1px solid rgba(255,255,255,.18);font-weight:700;transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:linear-gradient(180deg,#efbe62,#cf8d20);border:none;color:#251707;box-shadow:0 12px 26px rgba(207,141,32,.28)}
.btn.light{background:rgba(255,255,255,.08);color:#fff}
.hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.point{padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}
.point strong{display:block;color:#fff;font-size:15px;margin-bottom:4px}.point span{display:block;color:#d2dded;font-size:13px;line-height:1.6}
.hero-media{position:relative}
.hero-media .media-card{background:#fff;border-radius:24px;padding:16px;box-shadow:0 18px 42px rgba(4,12,25,.22)}
.hero-media .media-card img{border-radius:18px;width:100%;aspect-ratio:1/1;object-fit:cover}
.hero-media .badge{position:absolute;right:18px;bottom:18px;max-width:240px;background:rgba(16,33,61,.92);border:1px solid rgba(255,255,255,.1);color:#fff;border-radius:18px;padding:14px 16px;box-shadow:0 12px 30px rgba(0,0,0,.18)}
.hero-media .badge strong{display:block;font-size:16px;margin-bottom:4px}.hero-media .badge span{display:block;font-size:13px;color:#d6e0ef}
.section{padding:26px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}.section h2{margin:0;font-size:32px;line-height:1.2}.section-intro{margin:0;color:var(--muted);max-width:680px}
.info-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.info-card,.card,.faq-item,.article-box{background:var(--panel);border:1px solid var(--line);border-radius:22px;box-shadow:0 10px 30px rgba(16,33,61,.04)}
.info-card{padding:24px}.info-card h3,.card h3{margin:0 0 10px;font-size:22px}.info-card p,.card p,.faq-item p,.article p,.meta,.section p{color:var(--muted)}
.dual-feature{display:grid;grid-template-columns:.95fr 1.05fr;gap:22px;align-items:center;background:linear-gradient(180deg,#fff,#f9fbff);border:1px solid var(--line);border-radius:26px;padding:22px;box-shadow:0 14px 36px rgba(16,33,61,.05)}
.dual-feature .copy h2{margin-bottom:12px}.dual-feature .copy ul{padding-left:18px;color:var(--muted)}
.dual-feature .copy li{margin:8px 0}
.dual-feature img{border-radius:20px;border:1px solid var(--line)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:22px}.card span{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;border-radius:12px;background:#fff4dd;color:var(--accent-dark);font-weight:800;margin-bottom:14px}
.article-box{padding:26px}.article-box h3{margin:0 0 10px;font-size:26px}
.article-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.faq{display:grid;grid-template-columns:1fr 1fr;gap:18px}.faq-item{padding:20px}.faq-item h3{margin:0 0 8px;font-size:20px}
.article{padding:40px 0 64px}.article .content{max-width:820px}.article h1{font-size:44px;line-height:1.15;margin:10px 0 16px}.article h2{font-size:28px;margin:30px 0 10px}.breadcrumbs{color:var(--muted);font-size:14px;margin-bottom:8px}
.footer{margin-top:34px;background:#0f1e37;color:#d2dceb;padding:34px 0 40px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}.footer p{color:#b9c8dd;margin:10px 0 0}.footer-links{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}.footer-links a{color:#e7eefb}
@media (max-width:980px){.hero-grid,.dual-feature,.cards,.faq,.info-strip,.footer-grid{grid-template-columns:1fr}.hero-points{grid-template-columns:1fr}.section-head{display:block}.footer-links{justify-content:flex-start}}
@media (max-width:768px){
  .nav-toggle{display:flex}
  .header-inner .nav{display:none}
  .header-inner{align-items:center}
  .brand img{width:56px}
  .brand-text strong{font-size:17px}
  .brand-text span{font-size:12px}
}
@media (max-width:680px){.hero-grid{padding:28px 20px}.brand img{width:58px}.brand-text strong{font-size:18px}.hero-copy h1{font-size:34px}.lead{font-size:16px}.section h2{font-size:28px}.article h1{font-size:34px}}