*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;color-scheme:light}
body{min-height:100vh;font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;font-weight:400;line-height:1.7;background:#F0F2F5;color:#0A1C3A;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,picture,svg,video{display:block;max-width:100%}
input,button,textarea,select{font:inherit}
button{border:0;background:none;cursor:pointer}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;font-weight:900;line-height:1.2}
em{font-style:italic}
::selection{background:rgba(230,192,76,.35)}
:where(a,button,input,summary,textarea,select):focus-visible{outline:3px solid #39FF88;outline-offset:3px;border-radius:4px}
:root{
  --deep-blue:#0A1C3A;
  --deep-blue-2:#1E3A6E;
  --deep-blue-3:#1C2B4A;
  --gold:#E6C04C;
  --gold-deep:#C99022;
  --neon:#39FF88;
  --white:#FFFFFF;
  --light-gray:#F0F2F5;
  --ink:#0A1C3A;
  --link-blue:#4A90E2;
  --font-head:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'Roboto Mono','SFMono-Regular',Consolas,monospace;
  --radius-pill:999px;
  --radius-soft:20px;
  --shadow-float:0 14px 40px rgba(10,28,58,.26);
  --shadow-card:0 10px 30px rgba(10,28,58,.12);
  --container-w:1280px;
}
.container{width:min(100% - 40px,1280px);margin-inline:auto}
.skip-link{position:fixed;top:16px;left:50%;z-index:300;transform:translateX(-50%) translateY(-300%);background:linear-gradient(135deg,#E6C04C,#C99022);color:#0A1C3A;padding:10px 22px;border-radius:999px;font-weight:700;font-size:.9rem;box-shadow:0 10px 30px rgba(10,28,58,.3);transition:transform .2s ease}
.skip-link:focus{transform:translateX(-50%) translateY(0)}
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:220;background:linear-gradient(90deg,#E6C04C,#39FF88);border-radius:0 3px 3px 0;pointer-events:none}
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;padding:16px 0;background:transparent;border-bottom:1px solid transparent;transition:padding .3s ease,background .3s ease,border-color .3s ease}
.site-header.is-scrolled{padding:8px 0;background:rgba(10,28,58,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom-color:rgba(230,192,76,.14)}
.site-header__floater{display:flex;align-items:center;gap:16px;padding:8px 10px 8px 18px;background:rgba(10,28,58,.94);border:1px solid rgba(230,192,76,.22);border-radius:999px;box-shadow:0 12px 40px rgba(10,28,58,.25);position:relative}
.site-header__floater::before{content:"";position:absolute;left:70px;top:-1px;width:44px;height:2px;background:linear-gradient(90deg,transparent,#39FF88);opacity:.55;border-radius:2px;pointer-events:none}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0;flex-shrink:0;transition:opacity .2s ease}
.brand:hover{opacity:.9}
.brand__mark{width:44px;height:44px;flex-shrink:0;border-radius:14px;background:linear-gradient(135deg,#E6C04C,#C99022);display:grid;place-items:center;position:relative;box-shadow:0 4px 18px rgba(230,192,76,.35);overflow:hidden}
.brand__mark::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 42%,rgba(10,28,58,.32) 42%,rgba(10,28,58,.32) 50%,transparent 50%)}
.brand__mark-core{width:16px;height:16px;border:3px solid #0A1C3A;transform:rotate(45deg);border-radius:3px;position:relative;z-index:1}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;font-weight:900;font-size:1.12rem;color:#FFFFFF;letter-spacing:.04em;white-space:nowrap}
.brand__sub{font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;font-size:.62rem;letter-spacing:.3em;color:#E6C04C;margin-top:3px}
.nav-capsule{margin-left:auto;min-width:0}
.nav-capsule__list{display:flex;align-items:center;gap:2px}
.nav-capsule__item{margin:0}
.nav-capsule__link{display:flex;align-items:center;gap:6px;padding:10px 13px;border-radius:999px;color:rgba(255,255,255,.78);font-weight:700;font-size:.94rem;letter-spacing:.02em;white-space:nowrap;transition:color .2s ease,background .2s ease,box-shadow .2s ease}
.nav-capsule__index{font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;font-size:.69rem;color:#E6C04C;opacity:.65;letter-spacing:.06em;transition:opacity .2s ease}
.nav-capsule__link:hover{color:#FFFFFF;background:rgba(230,192,76,.12)}
.nav-capsule__link:hover .nav-capsule__index{opacity:1}
.nav-capsule__link[aria-current="page"]{color:#FFFFFF;background:linear-gradient(135deg,rgba(230,192,76,.22),rgba(201,144,34,.12));box-shadow:inset 0 -3px 0 #39FF88}
.nav-capsule__link[aria-current="page"] .nav-capsule__index{opacity:1}
.site-header__status{display:flex;align-items:center;flex-shrink:0;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(57,255,136,.08);border:1px solid rgba(57,255,136,.22);color:#39FF88;font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;font-size:.8rem;letter-spacing:.05em;white-space:nowrap}
.status-dot{width:7px;height:7px;border-radius:50%;background:#39FF88;box-shadow:0 0 0 3px rgba(57,255,136,.24);animation:pulse 2.2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.42}}
.nav-toggle{display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:9px 14px;border-radius:999px;background:rgba(230,192,76,.12);border:1px solid rgba(230,192,76,.3);color:#FFFFFF;min-width:70px;margin-left:auto}
.nav-toggle__bar{width:18px;height:2px;background:#E6C04C;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle__label{font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;font-size:.7rem;letter-spacing:.08em;color:rgba(255,255,255,.8)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){transform:translateY(-7px) rotate(-45deg)}
.site-footer{background:#0A1C3A;color:rgba(255,255,255,.72);position:relative;padding:72px 0 0;overflow:hidden;margin-top:auto}
.site-footer::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(230,192,76,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(230,192,76,.05) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}
.site-footer__grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:44px;padding-bottom:56px}
.site-footer__brand{min-width:0}
.site-footer .brand .brand__name{color:#FFFFFF}
.site-footer .brand .brand__sub{color:#E6C04C}
.site-footer__about{margin:22px 0 12px;color:rgba(255,255,255,.92);font-weight:700;font-size:1.05rem;line-height:1.6;letter-spacing:.02em}
.site-footer__trust{font-size:.9rem;line-height:1.85;color:rgba(255,255,255,.62);border-left:2px solid #E6C04C;padding-left:16px;margin-top:14px}
.site-footer__title{font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;font-size:.78rem;font-weight:400;letter-spacing:.18em;text-transform:uppercase;color:#E6C04C;margin-bottom:18px}
.site-footer__links li+li{margin-top:10px}
.site-footer__links a{display:inline-flex;align-items:center;color:rgba(255,255,255,.72);font-size:.94rem;transition:color .2s ease,padding-left .2s ease}
.site-footer__links a::before{content:"→";margin-right:8px;color:#39FF88;opacity:.6;font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;font-size:.8rem}
.site-footer__links a:hover{color:#FFFFFF;padding-left:4px}
.site-footer__meta-list li{display:flex;align-items:flex-start;gap:10px;padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.1);font-size:.92rem;line-height:1.6}
.site-footer__meta-item--accent{color:#39FF88;border-bottom-color:rgba(57,255,136,.2)}
.site-footer__meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;justify-content:space-between;border-top:1px solid rgba(230,192,76,.18);padding:20px 0 28px;position:relative;color:rgba(255,255,255,.48);font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;font-size:.83rem;letter-spacing:.03em}
.site-footer__copyright{color:rgba(255,255,255,.68)}
.site-footer__coord{letter-spacing:.16em;color:rgba(255,255,255,.3)}
.site-footer__icp a{color:rgba(255,255,255,.5);transition:color .2s ease}
.site-footer__icp a:hover{color:#E6C04C}
.section{padding:clamp(64px,8vw,110px) 0}
.section--dark{background:#0A1C3A;color:#FFFFFF;position:relative}
.section--dark::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(230,192,76,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(230,192,76,.04) 1px,transparent 1px);background-size:56px 56px;pointer-events:none}
.section-head{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:32px}
.section-head__index{font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;font-size:.88rem;letter-spacing:.14em;color:#E6C04C}
.section-head__title{font-size:clamp(1.5rem,4vw,3rem);font-weight:900;letter-spacing:.02em}
.section-head__title em{font-style:italic;color:#E6C04C}
.section-head__desc{width:100%;max-width:640px;color:rgba(255,255,255,.68);font-size:1rem}
.index-label{display:inline-flex;align-items:center;gap:8px;font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;font-size:.78rem;letter-spacing:.14em;color:#E6C04C;text-transform:uppercase}
.index-label::before{content:"";width:22px;height:1px;background:#E6C04C;opacity:.6}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.7rem;border-radius:999px;font-weight:700;font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;font-size:.96rem;line-height:1;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease}
.btn--gold{background:linear-gradient(135deg,#E6C04C,#C99022);color:#0A1C3A;box-shadow:0 10px 26px rgba(230,192,76,.28)}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(230,192,76,.4)}
.btn--neon{background:transparent;border-color:#39FF88;color:#39FF88}
.btn--neon:hover{background:rgba(57,255,136,.1);transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:rgba(230,192,76,.6);color:#E6C04C}
.btn--ghost:hover{background:rgba(230,192,76,.1);transform:translateY(-2px)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.9rem;color:rgba(255,255,255,.62);font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace}
.breadcrumb a{color:rgba(255,255,255,.75);transition:color .2s ease}
.breadcrumb a:hover{color:#E6C04C}
.breadcrumb__sep{color:#E6C04C;opacity:.5}
.breadcrumb__current{color:#FFFFFF;font-weight:700}
.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;font-size:.82rem;font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;background:rgba(57,255,136,.1);color:#39FF88;border:1px solid rgba(57,255,136,.25);white-space:nowrap}
.panel{background:#1C2B4A;border:1px solid rgba(255,255,255,.06);border-radius:20px;padding:28px;color:#FFFFFF;box-shadow:var(--shadow-card)}
.panel__label{display:block;font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:#39FF88;margin-bottom:10px}
.panel__title{font-size:1.35rem;font-weight:900;margin-bottom:8px;line-height:1.3}
.panel--gold{border-color:rgba(230,192,76,.35)}
.panel--gold .panel__title{color:#E6C04C}
.image-frame{position:relative;overflow:hidden;border-radius:20px;background:linear-gradient(135deg,#0A1C3A,#1E3A6E);border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow-card)}
.image-frame::before{content:"IMG";position:absolute;inset:0;display:grid;place-items:center;font-family:'Roboto Mono','SFMono-Regular',Consolas,monospace;font-size:.9rem;letter-spacing:.28em;color:rgba(230,192,76,.4);pointer-events:none}
.image-frame--wide{aspect-ratio:16/9}
.image-frame--tall{aspect-ratio:4/5}
.image-frame--square{aspect-ratio:1/1}
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.prose p{margin-bottom:1.2em}
.prose h2{font-size:1.7rem;margin:2em 0 .7em;color:#0A1C3A}
.prose h3{font-size:1.2rem;margin:1.6em 0 .6em;color:#0A1C3A}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-revealed{opacity:1;transform:none}
.reveal--delay-1{transition-delay:.1s}
.reveal--delay-2{transition-delay:.2s}
.reveal--delay-3{transition-delay:.3s}
@media (max-width:1280px){
  .nav-capsule__link{padding:10px 10px;font-size:.9rem}
  .site-header__status .status-text{display:none}
  .site-header__status{padding:8px 12px}
  .site-header__floater{gap:12px}
}
@media (max-width:1100px){
  .site-header{padding:12px 0}
  .site-header__floater{flex-wrap:wrap;border-radius:28px;padding:10px 14px}
  .nav-capsule{display:none;width:100%;margin-left:0;order:3;border-top:1px solid rgba(230,192,76,.18);padding-top:8px;margin-top:6px}
  .nav-capsule[data-open]{display:block}
  .nav-capsule__list{flex-direction:column;align-items:stretch;gap:4px;padding-bottom:8px}
  .nav-capsule__link{justify-content:space-between;padding:13px 16px;border-radius:16px;font-size:.98rem}
  .nav-capsule__link[aria-current="page"]{box-shadow:inset 0 0 0 1px rgba(57,255,136,.4)}
  .nav-toggle{display:inline-flex}
  .site-header__status{display:none}
  .site-footer__grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:1024px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .container{width:min(100% - 24px,1280px)}
  .site-footer__grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .site-footer__meta{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head{gap:10px}
  .section-head__desc{font-size:.95rem}
  .panel{padding:22px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none;transition:none}
  .status-dot{animation:none}
  .btn:hover{transform:none}
}