/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Sans SC',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#1A1A1A;color:#FFFFFF;line-height:1.6;min-height:100vh;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:#F0C75E;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease,box-shadow .25s ease}
a:focus-visible{outline:2px solid #D4A017;outline-offset:2px;border-radius:2px}
a:hover{color:#D4A017}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-family:'Noto Serif SC',Georgia,'Times New Roman',serif;font-weight:700;letter-spacing:.02em;color:#FFFFFF;line-height:1.3}
h1{font-size:clamp(2rem,5vw,3.5rem)}h2{font-size:clamp(1.6rem,4vw,2.8rem)}h3{font-size:clamp(1.2rem,3vw,2rem)}

/* ===== CSS Variables ===== */
:root{
  --gold:#D4A017;--gold-light:#F0C75E;--gold-dark:#B8860B;
  --red:#8B0000;--red-light:#C62828;
  --blue:#1E90FF;
  --bg-dark:#1A1A1A;--bg-card:#2C2C2C;--bg-card-hover:#363636;
  --text-primary:#FFFFFF;--text-secondary:#CCCCCC;
  --link:#F0C75E;--link-hover:#D4A017;
  --border-gold:1px solid rgba(212,160,23,.45);
  --shadow-gold:0 4px 24px rgba(212,160,23,.15);
  --shadow-card:0 8px 32px rgba(0,0,0,.5);
  --radius:4px;--radius-lg:8px;
  --header-h:70px;--max-w:1280px;
  --transition:color .25s ease,background .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease;
  --font-ui:'SF Mono','Fira Code','Courier New',monospace
}

/* ===== Container ===== */
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}
@media(min-width:768px){.container{padding:0 40px}}
@media(min-width:1200px){.container{padding:0 60px}}

/* ===== Skip Link ===== */
.skip-link{position:fixed;top:-100px;left:16px;z-index:10000;padding:12px 24px;background:var(--gold);color:#1A1A1A;font-weight:700;font-size:.95rem;border-radius:0 0 var(--radius) var(--radius);transition:top .3s ease}
.skip-link:focus{top:0;outline:2px solid #fff;outline-offset:2px}

/* ===== Progress Bar ===== */
[data-progress-bar]{position:fixed;top:0;left:0;z-index:9999;height:3px;width:0%;background:linear-gradient(90deg,var(--gold-dark),var(--gold),var(--gold-light));transition:width .1s linear;pointer-events:none}
@media(prefers-reduced-motion:reduce){[data-progress-bar]{transition:none}}

/* ===== Site Header ===== */
.site-header{position:sticky;top:3px;z-index:1000;background:linear-gradient(135deg,#1A1A1A 60%,#2C2C2C);border-bottom:var(--border-gold);box-shadow:0 2px 20px rgba(0,0,0,.6);backdrop-filter:blur(8px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:16px}
.header-brand{display:flex;align-items:center}
.brand-link{display:flex;flex-direction:column;gap:2px;color:var(--text-primary);transition:var(--transition)}
.brand-link:hover{color:var(--gold-light)}
.brand-name{font-family:'Noto Serif SC',Georgia,serif;font-size:1.5rem;font-weight:700;letter-spacing:.06em;background:linear-gradient(135deg,var(--gold-light),var(--gold),var(--gold-dark));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.brand-tagline{font-size:.7rem;font-family:var(--font-ui);color:var(--text-secondary);letter-spacing:.15em;-webkit-text-fill-color:var(--text-secondary);text-transform:uppercase}

/* ===== Navigation ===== */
.nav-toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;background:transparent;border:1px solid rgba(212,160,23,.3);border-radius:var(--radius);cursor:pointer;padding:8px;transition:var(--transition)}
.nav-toggle:hover{border-color:var(--gold);background:rgba(212,160,23,.08)}
.nav-toggle:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.nav-toggle-line{display:block;width:22px;height:2px;background:var(--gold-light);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-line:nth-child(1){transform:translateY(7px) rotate(45deg)}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-line:nth-child(2){opacity:0}
[data-nav-toggle][aria-expanded="true"] .nav-toggle-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.header-nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:linear-gradient(180deg,#1A1A1A 80%,#2C2C2C);border-bottom:var(--border-gold);padding:16px 24px 24px;box-shadow:var(--shadow-card);z-index:999}
.header-nav[data-open]{display:block}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-link{display:block;padding:12px 16px;font-size:1rem;font-weight:500;color:var(--text-secondary);border-left:3px solid transparent;transition:var(--transition);position:relative}
.nav-link::after{content:'';position:absolute;bottom:4px;left:16px;right:16px;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.nav-link:hover,.nav-link:focus-visible{color:var(--gold-light);background:rgba(212,160,23,.06);border-left-color:var(--gold)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--gold-light);border-left-color:var(--gold);background:rgba(212,160,23,.08)}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--gold-light)}

@media(min-width:900px){
  .nav-toggle{display:none}
  .header-nav{display:block!important;position:static;background:transparent;border-bottom:none;padding:0;box-shadow:none;width:auto}
  .nav-list{flex-direction:row;gap:2px;align-items:center}
  .nav-link{padding:8px 18px;font-size:.9rem;border-left:none;border-bottom:2px solid transparent}
  .nav-link::after{display:none}
  .nav-link:hover,.nav-link:focus-visible{border-left:none;border-bottom-color:var(--gold);background:rgba(212,160,23,.08)}
  .nav-link[aria-current="page"]{border-left:none;border-bottom-color:var(--gold-light);background:rgba(212,160,23,.1)}
}

/* ===== Site Footer ===== */
.site-footer{background:linear-gradient(180deg,#111 0%,#1A1A1A 100%);border-top:2px solid rgba(212,160,23,.3);padding:48px 0 0;margin-top:80px;position:relative}
.site-footer::before{content:'';position:absolute;top:-2px;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--gold),var(--gold-light),var(--gold),transparent)}
.footer-inner{display:flex;flex-direction:column;gap:24px}
.footer-top{display:flex;flex-direction:column;gap:24px}
@media(min-width:768px){.footer-top{flex-direction:row;justify-content:space-between;align-items:flex-start}}
.footer-brand{display:flex;flex-direction:column;gap:4px}
.footer-brand-name{font-family:'Noto Serif SC',Georgia,serif;font-size:1.6rem;font-weight:700;letter-spacing:.04em;background:linear-gradient(135deg,var(--gold-light),var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-brand-tagline{font-size:.75rem;font-family:var(--font-ui);color:var(--text-secondary);letter-spacing:.12em;text-transform:uppercase}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:.9rem;color:var(--text-secondary)}
.footer-contact-item{display:flex;align-items:center;gap:6px}
.footer-contact-item a{color:var(--gold-light);transition:var(--transition)}
.footer-contact-item a:hover{color:var(--gold);text-decoration:underline}
.footer-divider{height:1px;background:linear-gradient(90deg,transparent,rgba(212,160,23,.4),transparent);margin:8px 0 16px}
.footer-bottom{display:flex;flex-direction:column;gap:16px;padding-bottom:24px}
@media(min-width:640px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.footer-link{font-size:.85rem;color:var(--text-secondary);transition:var(--transition);padding:4px 0}
.footer-link:hover,.footer-link:focus-visible{color:var(--gold-light)}
.footer-link-sep{color:rgba(212,160,23,.3);font-size:.75rem;user-select:none}
.footer-copy{font-size:.8rem;color:var(--text-secondary);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.footer-copy-sep{color:rgba(212,160,23,.25);user-select:none}
.footer-trust{background:rgba(139,0,0,.15);border-top:1px solid rgba(212,160,23,.15);padding:16px 0;margin-top:0}
.trust-statement{font-size:.75rem;color:var(--text-secondary);text-align:center;letter-spacing:.04em;max-width:800px;margin:0 auto;line-height:1.5}

/* ===== Generic Button ===== */
.btn-gold{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;font-size:.95rem;font-weight:600;font-family:'Noto Sans SC',sans-serif;background:linear-gradient(135deg,var(--gold-dark),var(--gold),var(--gold-light));color:#1A1A1A;border:none;border-radius:var(--radius);cursor:pointer;transition:var(--transition);text-decoration:none;box-shadow:0 2px 12px rgba(212,160,23,.25);letter-spacing:.04em}
.btn-gold:hover,.btn-gold:focus-visible{background:linear-gradient(135deg,var(--gold),var(--gold-light),var(--gold));color:#111;box-shadow:0 4px 28px rgba(212,160,23,.45);transform:translateY(-1px)}
.btn-gold:active{transform:translateY(0);box-shadow:0 2px 8px rgba(212,160,23,.3)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;font-size:.9rem;font-weight:500;font-family:'Noto Sans SC',sans-serif;background:transparent;color:var(--gold-light);border:1px solid rgba(212,160,23,.5);border-radius:var(--radius);cursor:pointer;transition:var(--transition);text-decoration:none;letter-spacing:.04em}
.btn-ghost:hover,.btn-ghost:focus-visible{background:rgba(212,160,23,.1);border-color:var(--gold);color:var(--gold);box-shadow:0 0 20px rgba(212,160,23,.1)}

/* ===== Breadcrumb ===== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:16px 0;font-size:.85rem;font-family:var(--font-ui);color:var(--text-secondary)}
.breadcrumb a{color:var(--gold-light);transition:var(--transition)}
.breadcrumb a:hover{color:var(--gold);text-decoration:underline}
.breadcrumb span.sep{color:rgba(212,160,23,.4);user-select:none;font-size:.7rem}
.breadcrumb span.current{color:var(--text-primary);font-weight:500}

/* ===== Section Title ===== */
.section-title{display:flex;align-items:baseline;gap:16px;margin-bottom:32px;position:relative}
.section-title .index{font-family:var(--font-ui);font-size:1.2rem;color:var(--gold);opacity:.6;font-weight:400;letter-spacing:.02em}
.section-title .text{font-size:clamp(1.5rem,3.5vw,2.4rem);font-weight:700;letter-spacing:.04em;background:linear-gradient(135deg,#fff,var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-title::after{content:'';flex:1;height:1px;background:linear-gradient(90deg,rgba(212,160,23,.3),transparent);margin-left:8px}

/* ===== Card Grid ===== */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-bottom:48px}
@media(min-width:600px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.card-grid{grid-template-columns:repeat(3,1fr)}}

/* ===== Card ===== */
.card{background:var(--bg-card);border:var(--border-gold);border-radius:var(--radius-lg);padding:24px;transition:var(--transition);box-shadow:var(--shadow-card);position:overflow;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--gold-dark),var(--gold-light),var(--gold-dark));transform:scaleX(0);transform-origin:left;transition:transform .4s ease}
.card:hover::before{transform:scaleX(1)}
.card:hover,.card:focus-within{background:var(--bg-card-hover);border-color:rgba(212,160,23,.6);box-shadow:0 8px 40px rgba(212,160,23,.12);transform:translateY(-3px)}
.card-gold{background:linear-gradient(135deg,rgba(139,0,0,.5),rgba(139,0,0,.2));border:1px solid rgba(212,160,23,.5);border-radius:var(--radius-lg);padding:28px 24px;transition:var(--transition);position:relative;overflow:hidden}
.card-gold::after{content:'';position:absolute;top:-50%;right:-50%;width:100%;height:100%;background:radial-gradient(circle at 70% 30%,rgba(212,160,23,.06),transparent 70%);pointer-events:none}
.card-gold:hover{border-color:var(--gold);box-shadow:0 8px 40px rgba(212,160,23,.2);transform:translateY(-2px)}

/* ===== Tag ===== */
.tag-gold{display:inline-block;padding:4px 14px;font-size:.7rem;font-family:var(--font-ui);color:var(--gold-light);background:rgba(212,160,23,.1);border:1px solid rgba(212,160,23,.25);border-radius:2px;letter-spacing:.06em;transition:var(--transition)}
.tag-gold:hover{background:rgba(212,160,23,.2);border-color:var(--gold)}

/* ===== Utility ===== */
.text-center{text-align:center}
.text-gold{color:var(--gold-light)}
.mt-16{margin-top:16px}.mt-32{margin-top:32px}.mt-48{margin-top:48px}.mb-16{margin-bottom:16px}.mb-32{margin-bottom:32px}.mb-48{margin-bottom:48px}

/* ===== Responsive ===== */
@media(max-width:399px){
  .brand-name{font-size:1.2rem}
  .header-inner{gap:8px}
  .nav-link{padding:10px 12px;font-size:.9rem}
}
@media(min-width:900px) and (max-width:1199px){
  .nav-link{padding:8px 14px;font-size:.85rem}
}
@media(min-width:1200px){
  .nav-link{padding:8px 20px;font-size:.95rem}
}

/* ===== Focus & Reduced Motion ===== */
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:2px}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:0s!important;animation-duration:0s!important;animation-iteration-count:1!important}
  .card:hover,.card-gold:hover,.btn-gold:hover,.btn-ghost:hover{transform:none!important}
  html{scroll-behavior:auto}
}

/* ===== Print ===== */
@media print{
  .site-header{position:static;border-bottom:1px solid #333}
  .nav-toggle,.nav-link[aria-current="page"]::after,[data-progress-bar]{display:none}
  .site-footer{margin-top:40px;border-top:1px solid #333}
  .footer-trust{border-top:1px solid #ddd}
  .btn-gold,.btn-ghost{background:#ccc;color:#000;box-shadow:none}
}