:root{--color-bg:#0f0f10;--color-bg-elev:#1a1a1d;--color-bg-card:#222226;--color-border:#2e2e33;--color-text:#e8e8ea;--color-text-secondary:#a0a0a5;--color-text-muted:#6b6b72;--color-gold:#c9a962;--color-gold-light:#e5c88a;--color-gold-dark:#9a7e3f;--color-gold-gradient:linear-gradient(135deg, #c9a962 0%, #e5c88a 50%, #c9a962 100%);--section-pad:80px;--radius:12px;--font-sans:"PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif}@media (width<=768px){:root{--section-pad:48px}}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;line-height:1.7;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;cursor:pointer;text-decoration:none}h1,h2,h3,h4{color:var(--color-text);font-weight:600;line-height:1.3}h1{letter-spacing:.02em;font-size:clamp(2rem,5vw,3.5rem)}h2{font-size:clamp(1.5rem,3.5vw,2.25rem)}h3{font-size:clamp(1.15rem,2.5vw,1.4rem)}.section{padding:var(--section-pad) 0}.container{max-width:1200px;margin:0 auto;padding:0 24px}.gold-gradient{background:var(--color-gold-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.section-title{text-align:center;margin-bottom:16px}.section-subtitle{text-align:center;color:var(--color-text-secondary);max-width:640px;margin:0 auto 48px;font-size:1.05rem}.gold-divider{background:var(--color-gold-gradient);width:48px;height:2px;margin:16px auto 0}.btn-gold{background:var(--color-gold);color:#0f0f10;border:1px solid var(--color-gold);cursor:pointer;border-radius:4px;align-items:center;gap:8px;padding:14px 32px;font-weight:600;transition:all .3s;display:inline-flex}.btn-gold:hover{background:var(--color-gold-light);transform:translateY(-2px);box-shadow:0 8px 24px #c9a9624d}.btn-outline{color:var(--color-text);border:1px solid var(--color-border);cursor:pointer;background:0 0;border-radius:4px;align-items:center;gap:8px;padding:14px 32px;font-weight:500;transition:all .3s;display:inline-flex}.btn-outline:hover{border-color:var(--color-gold);color:var(--color-gold)}.fade-up{opacity:0;transition:opacity .8s,transform .8s;transform:translateY(30px)}.fade-up.visible{opacity:1;transform:translateY(0)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-gold-dark)}::selection{background:var(--color-gold);color:#0f0f10}