:root{
  --color-navy:#0A1E3C;
  --color-navy-deep:#06132A;
  --color-blue:#1D3557;
  --color-gold:#D4AF37;
  --color-gold-light:#F1C452;
  --color-red:#E63946;
  --color-paper:#F5F3EF;
  --color-ink:#1A1A1A;
  --color-muted:#6B7280;
  --color-white:#FFFFFF;
  --gradient-gold:linear-gradient(135deg,#D4AF37 0%,#F1C452 100%);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-accent:"Barlow Condensed","Arial Narrow","PingFang SC",sans-serif;
  --font-number:"Barlow Condensed","DIN Alternate","Roboto Condensed",sans-serif;
  --shadow-card:8px 8px 0 rgba(10,30,60,0.08);
  --header-height:76px;
  --content-width:1440px;
  --ease:cubic-bezier(0.22,1,0.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;min-height:100vh;background:var(--color-paper);color:var(--color-ink);font-family:var(--font-sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4,h5,h6{line-height:1.25;color:inherit;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:none;}
button{cursor:pointer;}
img,svg,video{display:block;max-width:100%;height:auto;}
:focus-visible{outline:3px solid var(--color-gold);outline-offset:3px;border-radius:2px;}
::selection{background:var(--color-gold);color:var(--color-navy);}
.skip-link{position:fixed;top:-100px;left:20px;z-index:2000;background:var(--color-navy);color:var(--color-paper);font-weight:700;padding:12px 20px;border-bottom:3px solid var(--color-gold);border-radius:0 0 6px 6px;transition:top .18s ease;}
.skip-link:focus{top:0;}
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:linear-gradient(180deg,rgba(10,30,60,0.92) 0%,rgba(10,30,60,0.64) 100%);color:var(--color-paper);border-bottom:1px solid rgba(245,243,239,0.18);transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;}
.site-header[data-scrolled="true"]{background:rgba(10,30,60,0.98);border-bottom-color:rgba(212,175,55,0.55);box-shadow:0 12px 30px rgba(6,19,42,0.35);}
.site-header[data-nav-open="true"]{background:var(--color-navy);border-bottom-color:rgba(212,175,55,0.6);}
.header-inner{max-width:var(--content-width);margin:0 auto;padding:0 24px;min-height:var(--header-height);display:flex;align-items:center;gap:24px;position:relative;}
.header-progress{position:absolute;left:0;bottom:-1px;width:100%;height:3px;z-index:3;background:linear-gradient(90deg,var(--color-red),var(--color-gold),var(--color-gold-light));transform:scaleX(var(--progress,0));transform-origin:left;pointer-events:none;}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;position:relative;z-index:2;}
.brand-mark{position:relative;display:grid;place-items:center;width:46px;height:46px;background:var(--gradient-gold);color:var(--color-navy);font-family:var(--font-accent);font-weight:700;font-size:1.1rem;letter-spacing:.02em;clip-path:polygon(14% 0,100% 0,86% 100%,0 100%);transition:transform .25s var(--ease);}
.brand-mark::after{content:"";position:absolute;top:6px;right:6px;width:6px;height:6px;background:var(--color-red);transform:rotate(45deg);}
.brand:hover .brand-mark{transform:translateY(-2px) rotate(-2deg);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:1.15rem;font-weight:900;letter-spacing:.08em;color:#fff;}
.brand-name em{font-style:normal;color:var(--color-gold-light);font-family:var(--font-accent);font-weight:700;letter-spacing:.1em;margin-left:.35em;}
.brand-tagline{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(245,243,239,0.62);white-space:nowrap;}
.site-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-list a{position:relative;display:block;padding:10px 12px;font-size:.92rem;font-weight:700;letter-spacing:.05em;color:rgba(245,243,239,0.85);white-space:nowrap;transition:color .2s ease;}
.nav-list a::after{content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;background:linear-gradient(90deg,var(--color-gold),var(--color-gold-light));transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);}
.nav-list a:hover{color:#fff;}
.nav-list a:hover::after,.nav-list a[aria-current="page"]::after{transform:scaleX(1);}
.nav-list a[aria-current="page"]{color:var(--color-gold-light);}
.header-meta{display:flex;align-items:center;gap:16px;}
.header-updated{display:inline-flex;align-items:center;gap:8px;height:40px;padding-left:18px;border-left:1px solid rgba(245,243,239,0.22);font-size:.78rem;color:rgba(245,243,239,0.7);}
.header-updated-dot{position:relative;width:8px;height:8px;flex:0 0 auto;border-radius:50%;background:var(--color-red);}
.header-updated-dot::after{content:"";position:absolute;inset:-4px;border:1px solid rgba(230,57,70,0.5);border-radius:50%;animation:signal 2s ease-out infinite;}
.header-updated-label{color:rgba(245,243,239,0.5);margin-right:.25em;}
.header-updated-value{color:var(--color-gold-light);font-weight:700;}
@keyframes signal{0%{transform:scale(.5);opacity:1;}100%{transform:scale(1.6);opacity:0;}}
.nav-toggle{display:none;align-items:center;gap:10px;height:42px;padding:0 14px;background:rgba(6,19,42,0.3);border:1px solid rgba(245,243,239,0.3);color:var(--color-paper);font-weight:700;font-size:.85rem;letter-spacing:.1em;transition:border-color .2s ease,background .2s ease;}
.nav-toggle:hover{border-color:var(--color-gold);}
.nav-toggle[aria-expanded="true"]{background:var(--color-gold);border-color:var(--color-gold);color:var(--color-navy);}
.nav-toggle-label{font-weight:700;}
.nav-toggle-icon{position:relative;display:block;width:18px;height:14px;}
.nav-toggle-icon span{position:absolute;left:0;width:100%;height:2px;background:currentColor;transition:top .25s var(--ease),transform .25s var(--ease),opacity .2s ease;}
.nav-toggle-icon span:nth-child(1){top:0;}
.nav-toggle-icon span:nth-child(2){top:6px;}
.nav-toggle-icon span:nth-child(3){top:12px;}
.site-header[data-nav-open="true"] .nav-toggle-icon span:nth-child(1){top:6px;transform:rotate(45deg);}
.site-header[data-nav-open="true"] .nav-toggle-icon span:nth-child(2){opacity:0;}
.site-header[data-nav-open="true"] .nav-toggle-icon span:nth-child(3){top:6px;transform:rotate(-45deg);}
.site-footer{position:relative;overflow:hidden;background:var(--color-navy);color:rgba(245,243,239,0.82);border-top:4px solid var(--color-gold);}
.site-footer::before{content:"";position:absolute;width:220px;height:220px;right:-70px;top:-70px;border:2px solid rgba(212,175,55,0.16);transform:rotate(45deg);pointer-events:none;}
.site-footer::after{content:"";position:absolute;width:200px;height:200px;left:-80px;bottom:-50px;border:1px solid rgba(230,57,70,0.28);transform:rotate(18deg);pointer-events:none;}
.footer-badge{position:absolute;top:22px;right:28px;z-index:1;font-family:var(--font-accent);font-weight:700;font-size:.9rem;letter-spacing:.18em;color:rgba(245,243,239,0.09);border:1px solid rgba(245,243,239,0.12);padding:8px 12px;transform:rotate(90deg);transform-origin:center right;pointer-events:none;}
.footer-inner{max-width:var(--content-width);margin:0 auto;padding:72px 24px 32px;position:relative;z-index:2;}
.footer-top{display:grid;grid-template-columns:1.5fr .9fr .9fr 1.3fr;gap:48px;}
.footer-brand{display:flex;flex-direction:column;}
.footer-brand-link{display:inline-flex;flex-direction:column;gap:6px;align-self:flex-start;}
.footer-brand-name{font-size:1.6rem;font-weight:900;letter-spacing:.08em;color:#fff;}
.footer-brand-name em{font-style:normal;font-family:var(--font-accent);font-weight:700;color:var(--color-gold);margin-left:.4em;letter-spacing:.12em;}
.footer-brand-tagline{font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(245,243,239,0.55);}
.footer-trust{margin-top:22px;max-width:34em;font-size:.9rem;line-height:1.85;color:rgba(245,243,239,0.66);padding-left:16px;border-left:3px solid var(--color-gold);}
.footer-column{min-width:0;}
.footer-links-col,.footer-policy-col,.footer-contact-col{min-width:0;}
.footer-heading{display:flex;align-items:center;gap:10px;margin-bottom:18px;font-size:.85rem;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:var(--color-gold-light);}
.footer-heading::before{content:"";width:16px;height:2px;background:var(--color-red);flex:0 0 auto;}
.footer-links{display:grid;gap:8px;}
.footer-links a{position:relative;display:inline-block;padding:4px 0;color:rgba(245,243,239,0.76);font-size:.92rem;transition:color .2s ease;}
.footer-links a::after{content:"";position:absolute;left:0;bottom:2px;width:100%;height:1px;background:var(--color-gold);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);}
.footer-links a:hover{color:var(--color-gold-light);}
.footer-links a:hover::after{transform:scaleX(1);}
.footer-updated{margin-top:24px;padding:12px 14px;border:1px solid rgba(212,175,55,0.35);background:rgba(6,19,42,0.45);}
.footer-updated-label{display:block;font-size:.72rem;letter-spacing:.08em;color:rgba(245,243,239,0.5);}
.footer-updated strong{display:block;margin-top:4px;color:var(--color-gold-light);font-size:.9rem;font-weight:700;}
.footer-address{display:grid;gap:14px;font-style:normal;}
.footer-address > span{display:grid;gap:2px;font-size:.92rem;color:rgba(245,243,239,0.85);}
.footer-field{display:block;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(245,243,239,0.45);}
.footer-service{margin-top:18px;padding:12px 14px;background:rgba(230,57,70,0.08);border-left:2px solid var(--color-red);font-size:.78rem;line-height:1.7;color:rgba(245,243,239,0.58);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding-top:20px;border-top:1px solid rgba(245,243,239,0.12);font-size:.8rem;color:rgba(245,243,239,0.5);}
.footer-icp{letter-spacing:.1em;}
.container{width:100%;max-width:var(--content-width);margin:0 auto;padding:0 24px;}
.main-content,[id="main-content"]{min-height:60vh;scroll-margin-top:calc(var(--header-height) + 8px);}
.section{position:relative;padding:96px 0;}
.section-tight{padding:56px 0;}
.section-dark{background:var(--color-navy);color:var(--color-paper);}
.section-paper{background:var(--color-paper);color:var(--color-ink);}
.page-head{padding:calc(var(--header-height) + 48px) 0 56px;background:var(--color-navy);color:var(--color-paper);position:relative;}
.page-head .breadcrumb{color:rgba(245,243,239,0.6);padding-top:0;}
.page-head .breadcrumb a{color:rgba(245,243,239,0.82);}
.split-layout{display:grid;grid-template-columns:minmax(240px,.8fr) minmax(0,1.6fr);gap:48px;align-items:start;}
.split-aside{position:sticky;top:calc(var(--header-height) + 24px);border-right:1px solid rgba(10,30,60,0.15);padding-right:32px;}
.site-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:32px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.kicker{display:block;margin-bottom:12px;font-size:.78rem;font-weight:900;letter-spacing:.22em;text-transform:uppercase;color:var(--color-gold);}
.display-title{font-size:clamp(2.5rem,6vw,5rem);font-weight:900;line-height:1.06;letter-spacing:-.02em;color:var(--color-navy);margin-bottom:16px;}
.section-dark .display-title,.page-head .display-title{color:var(--color-paper);}
.stat{font-family:var(--font-number);font-weight:700;font-size:clamp(2.6rem,5vw,4.4rem);line-height:1;color:var(--color-gold);font-variant-numeric:tabular-nums;}
.stat-label{display:block;margin-top:8px;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--color-muted);}
.section-dark .stat-label{color:rgba(245,243,239,0.6);}
.sheet-card{position:relative;background:var(--color-white);border:1px solid rgba(10,30,60,0.14);box-shadow:var(--shadow-card);padding:28px;transition:transform .25s var(--ease),border-color .2s ease,box-shadow .2s ease;}
.sheet-card::before{content:"";position:absolute;inset:10px;border:1px solid rgba(212,175,55,0.45);pointer-events:none;}
.sheet-card:hover{transform:translateY(-4px);border-color:var(--color-gold);box-shadow:12px 12px 0 rgba(10,30,60,0.12);}
.tag-label{display:inline-flex;align-items:center;gap:6px;background:var(--color-navy);color:var(--color-paper);font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:6px 10px;border-left:3px solid var(--color-gold);}
.tag-label.is-red{border-left-color:var(--color-red);background:var(--color-blue);}
.tag-label.is-gold{background:var(--color-gold);color:var(--color-navy);border-left-color:var(--color-red);}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;min-height:44px;border:1px solid var(--color-navy);background:transparent;color:var(--color-navy);font-family:var(--font-sans);font-size:.9rem;font-weight:700;letter-spacing:.08em;transition:color .25s ease,background .25s ease,border-color .25s ease,box-shadow .25s ease;}
.btn:hover{background:var(--color-navy);color:var(--color-paper);border-color:var(--color-navy);}
.btn-gold{background:linear-gradient(135deg,var(--color-gold),var(--color-gold-light));border-color:transparent;color:var(--color-navy);}
.btn-gold:hover{background:linear-gradient(135deg,var(--color-gold-light),var(--color-gold));border-color:transparent;color:var(--color-navy);box-shadow:0 6px 16px rgba(212,175,55,0.35);}
.btn-light{border-color:rgba(245,243,239,0.6);color:var(--color-paper);}
.btn-light:hover{background:var(--color-paper);color:var(--color-navy);border-color:var(--color-paper);}
.btn-red{background:var(--color-red);border-color:var(--color-red);color:#fff;}
.btn-red:hover{background:var(--color-navy);border-color:var(--color-navy);color:var(--color-paper);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:24px 0;font-size:.85rem;color:var(--color-muted);}
.breadcrumb a{color:var(--color-navy);font-weight:700;}
.breadcrumb a:hover{color:var(--color-red);}
.breadcrumb li{display:inline-flex;align-items:center;}
.breadcrumb li + li::before{content:"";width:18px;height:1px;background:var(--color-gold);margin-right:6px;}
.image-frame{position:relative;overflow:hidden;background:var(--color-navy-deep);aspect-ratio:16/9;}
.image-frame::after{content:"";position:absolute;inset:8px;border:1px solid rgba(212,175,55,0.55);pointer-events:none;}
.image-frame > img,.image-frame > .placeholder{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;}
.placeholder{display:flex;align-items:center;justify-content:center;min-height:120px;background:linear-gradient(135deg,var(--color-blue) 0%,var(--color-navy) 100%);color:var(--color-gold);font-family:var(--font-accent);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:.9rem;}
@media (max-width:1120px){
  .header-updated{display:none;}
}
@media (max-width:1023px){
  .site-nav{position:absolute;top:calc(var(--header-height) - 1px);left:16px;right:16px;display:none;background:var(--color-navy);border:1px solid rgba(212,175,55,0.45);border-top:0;box-shadow:0 20px 40px rgba(6,19,42,0.35);z-index:100;padding:12px;}
  .site-nav[data-open]{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-list a{padding:14px 16px;color:rgba(245,243,239,0.88);border-left:3px solid transparent;font-size:1rem;}
  .nav-list a::after{display:none;}
  .nav-list a[aria-current="page"]{color:var(--color-gold-light);border-left-color:var(--color-gold);background:rgba(212,175,55,0.08);}
  .nav-toggle{display:inline-flex;}
  .footer-top{grid-template-columns:1fr 1fr;gap:40px;}
  .footer-brand{grid-column:1/-1;}
  .footer-badge{display:none;}
  .split-layout{grid-template-columns:1fr;gap:32px;}
  .split-aside{position:static;border-right:0;padding-right:0;border-bottom:1px solid rgba(10,30,60,0.15);padding-bottom:16px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
  .header-inner{padding:0 16px;gap:12px;}
  .brand-tagline{display:none;}
  .brand-name{font-size:1rem;}
  .brand-mark{width:40px;height:40px;}
  .header-progress{height:2px;}
  .footer-inner{padding:56px 16px 24px;}
  .footer-top{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .site-grid{gap:20px;}
  .section{padding:64px 0;}
  .container{padding:0 16px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:0.01ms !important;animation-duration:0.01ms !important;animation-iteration-count:1 !important;}
  .header-updated-dot::after{animation:none;opacity:0;}
  .site-header,.btn,.brand-mark,.sheet-card,.footer-links a::after,.nav-list a::after{transition:none;}
}