*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{font-family:var(--font-body);font-size:16px;line-height:1.75;color:var(--c-paper);background:var(--c-ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-gold);text-decoration:none}
a:hover{text-decoration:underline}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px}
::selection{background:var(--c-gold);color:var(--c-ink-deep)}
:root{
  --header-h:72px;
  --header-h-mobile:64px;
  --c-ink:#0A192F;
  --c-ink-deep:#0B1A2D;
  --c-navy:#1B2A4A;
  --c-gold:#D4AF37;
  --c-orange:#FF6B35;
  --c-cyan:#64FFDA;
  --c-paper:#FAF9F6;
  --c-gray:#E6E6E6;
  --c-moon:#B0C4DE;
  --c-red:#FF3B30;
  --font-title:"Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC",sans-serif;
  --font-mono:"Roboto Mono","SFMono-Regular",Consolas,monospace;
  --border-gold:rgba(212,175,55,.28);
  --shadow:0 10px 40px rgba(0,0,0,.35)
}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:min(1200px,92vw);margin-inline:auto}
main#main-content{display:block;scroll-margin-top:calc(var(--header-h) + 16px)}
h1,h2,h3,h4,h5,h6{font-family:var(--font-title);font-weight:800;line-height:1.3;color:var(--c-paper)}
body{font-weight:400}
.skip-link{position:absolute;left:-9999px;top:8px;z-index:200;background:var(--c-gold);color:var(--c-ink-deep);padding:.6rem 1.4rem;font-weight:800;transition:left .2s ease}
.skip-link:focus{left:8px;text-decoration:none}
.site-header{position:sticky;top:0;z-index:100;height:var(--header-h);background:rgba(10,25,47,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-gold)}
.site-header::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--c-gold),var(--c-cyan) 70%,transparent);z-index:2}
.header-inner{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;height:100%;width:min(1200px,92vw);margin-inline:auto}
.brand{display:inline-flex;align-items:center;gap:.75rem;text-decoration:none;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:linear-gradient(135deg,#E8C876,var(--c-gold));color:var(--c-ink-deep);font-family:var(--font-title);font-weight:900;font-size:22px;box-shadow:0 0 18px rgba(212,175,55,.3);border:1px solid rgba(255,255,255,.25)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:var(--font-title);font-weight:900;font-size:1.25rem;letter-spacing:.06em;color:var(--c-paper)}
.brand-sub{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.32em;color:var(--c-gold);text-transform:uppercase;margin-top:2px}
.nav-wrap{display:flex;align-items:center;gap:1.25rem}
.site-nav{display:block}
.nav-list{display:flex;align-items:center;gap:.25rem}
.nav-link{position:relative;display:inline-block;padding:.5rem .7rem;font-family:var(--font-title);font-weight:700;font-size:.95rem;letter-spacing:.04em;color:var(--c-moon);transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:.7rem;right:.7rem;bottom:-2px;height:2px;background:linear-gradient(90deg,var(--c-gold),var(--c-orange));transform:skewX(-20deg);width:0;transition:width .25s ease}
.nav-link:hover,.nav-link[aria-current="page"]{color:var(--c-gold);text-decoration:none}
.nav-link:hover::after,.nav-link[aria-current="page"]::after{width:calc(100% - 1.4rem)}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:transparent}
.nav-toggle-line{display:block;width:22px;height:2px;background:var(--c-gold);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-active .nav-toggle-line:nth-child(2){opacity:0}
.nav-toggle.is-active .nav-toggle-line:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-active .nav-toggle-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.header-cta{margin-left:.25rem}
.header-progress{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:linear-gradient(90deg,var(--c-gold),var(--c-orange),var(--c-cyan));box-shadow:0 0 12px rgba(212,175,55,.6);z-index:3}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1.5rem;border:2px solid transparent;font-family:var(--font-title);font-weight:800;font-size:.95rem;line-height:1.2;white-space:nowrap;text-decoration:none;color:var(--c-paper);transition:box-shadow .3s ease,transform .25s ease,background .3s ease,color .3s ease}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--c-gold);color:var(--c-ink-deep)}
.btn-primary:hover{box-shadow:0 8px 30px rgba(212,175,55,.35);color:var(--c-ink-deep)}
.btn-accent{background:var(--c-orange);color:#fff}
.btn-accent:hover{box-shadow:0 8px 30px rgba(255,107,53,.4);color:#fff}
.btn-outline{border-color:var(--c-gold);color:var(--c-gold);background:transparent}
.btn-outline:hover{background:rgba(212,175,55,.12);box-shadow:0 0 24px rgba(212,175,55,.2);color:var(--c-gold)}
.site-footer{background:var(--c-ink-deep);position:relative;border-top:1px solid rgba(10,25,47,.9)}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(100,255,218,.5),transparent)}
.footer-lightline{height:2px;background:linear-gradient(90deg,transparent,var(--c-gold),var(--c-cyan),transparent)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.5fr 1fr;gap:3rem;padding:4rem 0 3rem}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:1rem}
.brand-footer{padding:0}
.footer-about{color:var(--c-moon);font-size:.95rem;max-width:34ch;margin-top:.25rem}
.trust-statement{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.08em;color:var(--c-cyan);border-left:2px solid rgba(100,255,218,.4);padding-left:.75rem}
.footer-col{display:flex;flex-direction:column;gap:.85rem}
.footer-title{font-family:var(--font-title);font-size:1rem;font-weight:800;letter-spacing:.08em;color:var(--c-gold);padding-bottom:.4rem;position:relative}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:42px;background:linear-gradient(90deg,var(--c-gold),var(--c-orange));transform:skewX(-20deg)}
.footer-links{display:flex;flex-direction:column;gap:.35rem}
.footer-link{display:inline-block;font-size:.95rem;color:var(--c-moon);transition:color .2s ease,transform .2s ease}
.footer-link:hover{color:var(--c-gold);text-decoration:none;transform:translateX(4px)}
.footer-meta{font-size:.9rem;color:var(--c-moon);line-height:1.6}
.footer-contact .footer-meta{font-family:var(--font-mono);font-size:.85rem}
.footer-legal{border-left:2px solid var(--border-gold);padding-left:1.5rem}
.footer-bottom{border-top:1px solid rgba(212,175,55,.18);padding:1.25rem 0;background:rgba(10,25,47,.6)}
.footer-bottom-inner{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem}
.copyright{font-size:.85rem;color:var(--c-moon)}
.icp{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.12em;color:var(--c-moon)}
.section{padding:clamp(3rem,8vw,6rem) 0;position:relative}
.section-head{max-width:760px;margin-bottom:2.5rem}
.section-kicker{display:block;font-family:var(--font-mono);font-size:.8rem;letter-spacing:.3em;text-transform:uppercase;color:var(--c-gold);margin-bottom:.75rem}
.section-title{font-family:var(--font-title);font-size:clamp(2rem,4vw,3rem);font-weight:900;line-height:1.2;color:var(--c-paper)}
.section-desc{margin-top:1rem;font-size:1.05rem;color:var(--c-moon);max-width:60ch}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.breadcrumb{display:flex;flex-wrap:wrap;gap:.5em;padding:1rem 0;font-size:.9rem;color:var(--c-moon)}
.breadcrumb a{color:var(--c-gold)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb li{display:inline-flex;align-items:center}
.breadcrumb li+li::before{content:"↪";margin-right:.5em;color:var(--c-cyan);font-family:var(--font-mono)}
.media-frame{position:relative;overflow:hidden;min-height:220px;background:linear-gradient(135deg,var(--c-navy),var(--c-ink));border:1px solid var(--border-gold)}
.media-frame::before{content:"▣";position:absolute;inset:0;display:grid;place-items:center;font-size:64px;color:rgba(212,175,55,.18);transform:skewX(-12deg)}
.media-frame::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--c-gold),var(--c-cyan));opacity:.5}
.media-caption{font-size:.85rem;color:var(--c-moon);margin-top:.5rem;letter-spacing:.04em}
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1);will-change:opacity,transform}
[data-reveal].is-revealed{opacity:1;transform:none}
.to-top{position:fixed;right:24px;bottom:24px;z-index:90;width:48px;height:48px;display:grid;place-items:center;background:var(--c-gold);color:var(--c-ink-deep);font-size:20px;font-weight:900;border:1px solid rgba(255,255,255,.2);box-shadow:var(--shadow);transition:background .25s ease,transform .25s ease,box-shadow .25s ease}
.to-top:hover{background:var(--c-orange);color:#fff;transform:translateY(-3px);box-shadow:0 8px 30px rgba(255,107,53,.35)}
@media (max-width:980px){
  :root{--header-h:var(--header-h-mobile)}
  .nav-toggle{display:flex}
  .nav-wrap{position:absolute;top:100%;left:0;right:0;display:block;background:rgba(10,25,47,.98);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:1rem 5vw 1.5rem;border-bottom:1px solid var(--border-gold);opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease}
  .nav-wrap[data-open]{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{display:block;padding:.85rem .25rem;border-bottom:1px solid rgba(212,175,55,.12)}
  .nav-link::after{content:none}
  .nav-link:hover,.nav-link[aria-current="page"]{color:var(--c-gold);background:rgba(212,175,55,.08);padding-left:.75rem}
  .header-cta{margin-top:.75rem;text-align:center}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2.5rem 2rem}
  .footer-legal{border-left:none;padding-left:0}
  .grid-2,.grid-3{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;gap:2.25rem 0;padding-top:3rem}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .media-frame{min-height:180px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;transition-delay:0s !important}
  .header-progress{display:none}
  [data-reveal]{opacity:1;transform:none;transition:none}
  .btn,.nav-toggle,.brand,.footer-link{transition:none;transform:none}
}