/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{min-height:100vh;line-height:1.7;font-family:"Lato","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;color:#1A1A1A;background:#FFFFFF;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit;border:none;background:none;outline:none}
button{cursor:pointer}
input::placeholder{color:#999;opacity:1}
:focus-visible{outline:2.5px solid #FFD700;outline-offset:2px;border-radius:2px}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition-duration:0.01ms!important;animation-duration:0.01ms!important;scroll-behavior:auto!important}}

/* ===== CSS Variables ===== */
:root{
  --deep-green:#0B4E2E;
  --gold:#FFD700;
  --white:#FFFFFF;
  --dark-red:#8B0000;
  --light-green-bg:#E8F5E9;
  --gold-light:#FFF8DC;
  --charcoal:#1A1A1A;
  --grey-text:#4A4A4A;
  --accent-red:#DC143C;
  --header-height:68px;
  --max-width:1200px;
  --font-heading:"Oswald","Noto Sans SC","Impact","Arial Black",sans-serif;
  --font-body:"Lato","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"SF Mono","Fira Code","Consolas",monospace;
  --glass-bg:rgba(11,78,46,0.25);
  --glass-border:rgba(255,255,255,0.12);
  --shadow-card:0 8px 32px rgba(0,0,0,0.10);
  --radius-sm:4px;
  --radius-md:8px;
  --radius-lg:16px;
  --transition-fast:0.2s ease;
  --transition-med:0.35s ease;
}

/* ===== Typography ===== */
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2;color:var(--charcoal)}
h1{font-size:clamp(2rem,5vw,3.5rem);letter-spacing:-0.01em}
h2{font-size:clamp(1.5rem,3.5vw,2.5rem)}
h3{font-size:clamp(1.15rem,2.2vw,1.65rem)}
p{max-width:72ch;color:var(--grey-text)}
small{font-size:0.85rem}

/* ===== Skip Link ===== */
.skip-link{position:fixed;top:-100%;left:1rem;z-index:10000;padding:0.6rem 1.4rem;background:var(--deep-green);color:var(--gold);font-weight:700;font-size:0.9rem;border-radius:var(--radius-sm);transition:top var(--transition-fast)}
.skip-link:focus{top:0.5rem}

/* ===== Scroll Progress ===== */
.scroll-progress{position:fixed;top:0;left:0;z-index:9999;width:0%;height:3px;background:linear-gradient(90deg,var(--gold),var(--accent-red));border-radius:0 2px 2px 0;pointer-events:none;transition:width 0.1s linear}
@media(prefers-reduced-motion:reduce){.scroll-progress{transition:none}}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:9000;
  height:var(--header-height);
  display:flex;align-items:center;
  background:var(--glass-bg);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--glass-border);
  transition:background var(--transition-med),border-color var(--transition-med),box-shadow var(--transition-med);
}
.site-header[data-scrolled]{
  background:var(--deep-green);
  border-bottom-color:rgba(255,215,0,0.20);
  box-shadow:0 4px 24px rgba(0,0,0,0.18);
}
.site-header[data-scrolled] .logo-text{color:var(--white)}
.site-header[data-scrolled] .index-deco{color:var(--gold);opacity:0.9}
.site-header[data-scrolled] .nav-list a{color:rgba(255,255,255,0.88)}
.site-header[data-scrolled] .nav-list a:hover,.site-header[data-scrolled] .nav-list a[aria-current="page"]{color:var(--gold)}
.site-header[data-scrolled] .search-input{background:rgba(255,255,255,0.12);color:var(--white);border-color:rgba(255,255,255,0.20)}
.site-header[data-scrolled] .search-input::placeholder{color:rgba(255,255,255,0.5)}
.site-header[data-scrolled] .search-btn{color:var(--gold)}

.header-inner{
  width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;
  display:flex;align-items:center;gap:1.5rem;
}
.header-brand{display:flex;align-items:center;gap:0.6rem;flex-shrink:0}
.logo{display:flex;align-items:center;gap:0.4rem;color:var(--white)}
.logo-icon{display:flex;color:var(--gold);transition:color var(--transition-fast)}
.logo:hover .logo-icon{color:var(--white)}
.logo-text{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;letter-spacing:0.02em;color:var(--white);transition:color var(--transition-fast)}
.index-deco{font-family:var(--font-mono);font-size:0.75rem;font-weight:600;color:var(--gold);opacity:0.7;letter-spacing:0.05em;padding:0.2rem 0.4rem;border:1px solid rgba(255,215,0,0.25);border-radius:var(--radius-sm);transition:opacity var(--transition-fast)}

/* ===== Navigation ===== */
.header-nav{flex:1;display:flex;justify-content:center}
.nav-list{display:flex;gap:0.25rem;flex-wrap:wrap;justify-content:center}
.nav-list a{
  display:inline-block;padding:0.45rem 0.9rem;font-size:0.92rem;font-weight:600;
  color:rgba(255,255,255,0.85);border-radius:var(--radius-sm);
  transition:color var(--transition-fast),background var(--transition-fast);
  position:relative;letter-spacing:0.02em;
}
.nav-list a:hover{color:var(--gold);background:rgba(255,215,0,0.08)}
.nav-list a[aria-current="page"]{color:var(--gold)}
.nav-list a[aria-current="page"]::after{
  content:'';position:absolute;bottom:2px;left:0.9rem;right:0.9rem;height:2px;
  background:var(--gold);border-radius:1px;
}

/* ===== Header Actions ===== */
.header-actions{display:flex;align-items:center;gap:0.75rem;flex-shrink:0}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,0.10);border:1px solid rgba(255,255,255,0.15);border-radius:var(--radius-md);overflow:hidden;transition:border-color var(--transition-fast),background var(--transition-fast)}
.search-input{width:140px;padding:0.45rem 0.7rem;font-size:0.85rem;color:rgba(255,255,255,0.9);background:transparent;border:none}
.search-input:focus{outline:none}
.search-btn{display:flex;align-items:center;justify-content:center;padding:0.45rem 0.7rem;color:rgba(255,255,255,0.7);transition:color var(--transition-fast)}
.search-btn:hover{color:var(--gold)}

/* ===== Nav Toggle (Mobile) ===== */
.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;gap:5px;background:rgba(255,255,255,0.08);border-radius:var(--radius-sm);transition:background var(--transition-fast);padding:0}
.nav-toggle .bar{display:block;width:22px;height:2.5px;background:var(--white);border-radius:2px;transition:transform var(--transition-med),opacity var(--transition-med)}
.nav-toggle:hover{background:rgba(255,215,0,0.15)}
.nav-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ===== Mobile Nav [data-open] ===== */
@media(max-width:820px){
  .nav-toggle{display:flex}
  .search-input{width:100px}
  .header-nav{
    position:fixed;top:var(--header-height);right:0;width:min(320px,80vw);height:calc(100vh - var(--header-height));
    background:var(--deep-green);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    flex-direction:column;align-items:stretch;padding:1.5rem 1.2rem;gap:0.5rem;
    transform:translateX(100%);transition:transform var(--transition-med),visibility var(--transition-med);
    visibility:hidden;box-shadow:-8px 0 32px rgba(0,0,0,0.25);border-left:1px solid rgba(255,215,0,0.12);
    overflow-y:auto;
  }
  .header-nav[data-open]{transform:translateX(0);visibility:visible}
  .nav-list{flex-direction:column;gap:0.15rem}
  .nav-list a{padding:0.7rem 1rem;font-size:1rem;border-radius:var(--radius-sm);color:rgba(255,255,255,0.85)}
  .nav-list a:hover{background:rgba(255,215,0,0.10);color:var(--gold)}
  .nav-list a[aria-current="page"]{color:var(--gold);background:rgba(255,215,0,0.06)}
  .nav-list a[aria-current="page"]::after{display:none}
}

/* ===== Footer ===== */
.site-footer{
  background:var(--deep-green);color:rgba(255,255,255,0.85);
  padding:3.5rem 1.5rem 1.8rem;margin-top:4rem;
  border-top:3px solid var(--gold);
}
.footer-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1.4fr;gap:2.5rem}
.footer-brand{display:flex;flex-direction:column;gap:0.8rem}
.footer-logo{display:flex;align-items:center;gap:0.5rem;font-family:var(--font-heading);font-size:1.3rem;font-weight:700;color:var(--gold)}
.footer-tagline{font-size:0.95rem;color:rgba(255,255,255,0.7);line-height:1.6;max-width:30ch}
.footer-trust{font-size:0.85rem;color:var(--gold);opacity:0.7;font-family:var(--font-mono);letter-spacing:0.03em;padding-top:0.4rem;border-top:1px solid rgba(255,215,0,0.12)}
.footer-heading{font-family:var(--font-heading);font-size:1.05rem;font-weight:600;color:var(--gold);margin-bottom:1rem;letter-spacing:0.03em}
.footer-link-list{display:flex;flex-direction:column;gap:0.5rem}
.footer-link-list a{color:rgba(255,255,255,0.75);font-size:0.92rem;transition:color var(--transition-fast);padding:0.15rem 0}
.footer-link-list a:hover{color:var(--gold)}
.footer-contact-list{display:flex;flex-direction:column;gap:0.45rem;font-size:0.9rem;color:rgba(255,255,255,0.75)}
.footer-contact-list .label{font-weight:600;color:rgba(255,255,255,0.5)}
.footer-contact-list a{color:rgba(255,255,255,0.75);transition:color var(--transition-fast)}
.footer-contact-list a:hover{color:var(--gold)}
.footer-note{font-size:0.8rem;color:rgba(255,255,255,0.45);margin-top:0.8rem;padding-top:0.6rem;border-top:1px solid rgba(255,255,255,0.06)}
.footer-bottom{max-width:var(--max-width);margin:2.5rem auto 0;padding-top:1.5rem;border-top:1px solid rgba(255,215,0,0.12);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:0.8rem}
.footer-copy,.footer-icp{font-size:0.82rem;color:rgba(255,255,255,0.45)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.6rem 1.6rem;font-family:var(--font-heading);font-weight:600;font-size:0.95rem;border-radius:var(--radius-md);transition:all var(--transition-fast);letter-spacing:0.02em}
.btn-gold{background:var(--gold);color:var(--charcoal);border:1px solid var(--gold)}
.btn-gold:hover{background:#e6c200;border-color:#e6c200;transform:translateY(-1px);box-shadow:0 4px 16px rgba(255,215,0,0.25)}
.btn-outline{background:transparent;color:var(--deep-green);border:1.5px solid var(--deep-green)}
.btn-outline:hover{background:var(--deep-green);color:var(--white);transform:translateY(-1px)}
.btn-sm{padding:0.4rem 1rem;font-size:0.85rem;border-radius:var(--radius-sm)}

/* ===== Breadcrumb ===== */
.breadcrumb{display:flex;flex-wrap:wrap;gap:0.35rem 0.6rem;padding:0.8rem 0;font-size:0.88rem;color:var(--grey-text)}
.breadcrumb a{color:var(--deep-green);font-weight:600;transition:color var(--transition-fast)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{color:rgba(0,0,0,0.2);user-select:none}
.breadcrumb .current{color:var(--grey-text);font-weight:400}

/* ===== Container ===== */
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}
.container-narrow{max-width:880px}

/* ===== Grid ===== */
.grid{display:grid;gap:1.5rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:820px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* ===== Card ===== */
.card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:1.5rem;border:1px solid rgba(0,0,0,0.04);transition:box-shadow var(--transition-fast),transform var(--transition-fast)}
.card:hover{box-shadow:0 12px 40px rgba(0,0,0,0.08);transform:translateY(-2px)}
.card-gold{border-top:3px solid var(--gold)}
.card-green{border-top:3px solid var(--deep-green)}

/* ===== Tag / Badge ===== */
.tag{display:inline-flex;align-items:center;padding:0.2rem 0.7rem;font-size:0.78rem;font-weight:700;font-family:var(--font-heading);border-radius:var(--radius-sm);letter-spacing:0.03em;text-transform:uppercase}
.tag-gold{background:var(--gold);color:var(--charcoal)}
.tag-green{background:var(--deep-green);color:var(--white)}
.tag-red{background:var(--accent-red);color:var(--white)}

/* ===== Data Display ===== */
.data-number{font-family:var(--font-heading);font-size:clamp(1.8rem,4vw,2.8rem);font-weight:700;color:var(--deep-green);line-height:1}
.data-label{font-size:0.85rem;color:var(--grey-text);font-weight:600;text-transform:uppercase;letter-spacing:0.04em}

/* ===== Section Spacing ===== */
.section{padding:3rem 0}
.section-sm{padding:1.5rem 0}
.section-lg{padding:5rem 0}
@media(max-width:600px){.section{padding:2rem 0}.section-lg{padding:3rem 0}}

/* ===== Glass Panel (for page use) ===== */
.glass-panel{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:1.8rem}
.glass-panel-dark{background:rgba(11,78,46,0.60);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}

/* ===== Image Container (placeholder ready) ===== */
.img-container{position:relative;overflow:hidden;border-radius:var(--radius-md);background:var(--light-green-bg);aspect-ratio:16/9;display:flex;align-items:center;justify-content:center}
.img-container .placeholder{font-family:var(--font-heading);color:var(--deep-green);opacity:0.3;font-size:0.95rem;letter-spacing:0.04em}

/* ===== Divider ===== */
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(11,78,46,0.12),transparent);margin:2rem 0}
.divider-gold{background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:0.3}

/* ===== Utilities ===== */
.text-center{text-align:center}
.text-gold{color:var(--gold)}
.text-green{color:var(--deep-green)}
.text-red{color:var(--accent-red)}
.text-muted{color:var(--grey-text)}
.font-heading{font-family:var(--font-heading)}
.font-mono{font-family:var(--font-mono)}
.mt-1{margin-top:1rem}
.mt-2{margin-top:2rem}
.mb-1{margin-bottom:1rem}
.mb-2{margin-bottom:2rem}
.gap-1{gap:1rem}
.flex{display:flex}
.flex-wrap{flex-wrap:wrap}
.items-center{align-items:center}
.justify-between{justify-content:space-between}

/* ===== Responsive ===== */
@media(max-width:820px){
  .footer-inner{grid-template-columns:1fr;gap:2rem}
  .footer-bottom{flex-direction:column;text-align:center}
  .header-inner{gap:0.75rem;padding:0 1rem}
  .search-input{width:80px;font-size:0.8rem}
  .logo-text{font-size:1.05rem}
  .index-deco{font-size:0.65rem;padding:0.15rem 0.35rem}
}
@media(max-width:480px){
  :root{--header-height:60px}
  .header-inner{gap:0.5rem;padding:0 0.6rem}
  .search-input{width:60px;padding:0.35rem 0.5rem}
  .search-btn{padding:0.35rem 0.5rem}
  .logo-text{font-size:0.95rem}
  .index-deco{display:none}
  .footer-inner{padding:0 0.5rem}
  .footer-contact-list li{font-size:0.85rem}
}
@media(min-width:821px){
  .nav-toggle{display:none!important}
  .header-nav{display:flex!important;visibility:visible!important;transform:none!important;position:static!important;width:auto!important;height:auto!important;background:transparent!important;backdrop-filter:none!important;box-shadow:none!important;border:none!important;padding:0!important;overflow:visible!important}
}